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							6214 lines
						
					
					
						
							241 KiB
						
					
					
				<?php
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/* For licensing terms, see /license.txt */
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use Chamilo\CoreBundle\Component\Utils\ChamiloApi;
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use Chamilo\CoreBundle\Entity\TrackEExercises;
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use ChamiloSession as Session;
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/**
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 * Class ExerciseLib
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 * shows a question and its answers.
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 *
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 * @author Olivier Brouckaert <oli.brouckaert@skynet.be> 2003-2004
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 * @author Hubert Borderiou 2011-10-21
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 * @author ivantcholakov2009-07-20
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 * @author Julio Montoya
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 */
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class ExerciseLib
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{
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    /**
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     * Shows a question.
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     *
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     * @param Exercise $exercise
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     * @param int      $questionId     $questionId question id
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     * @param bool     $only_questions if true only show the questions, no exercise title
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     * @param bool     $origin         i.e = learnpath
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     * @param string   $current_item   current item from the list of questions
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     * @param bool     $show_title
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     * @param bool     $freeze
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     * @param array    $user_choice
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     * @param bool     $show_comment
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     * @param bool     $show_answers
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     *
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     * @throws \Exception
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     *
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     * @return bool|int
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     */
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    public static function showQuestion(
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        $exercise,
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        $questionId,
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        $only_questions = false,
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        $origin = false,
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        $current_item = '',
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        $show_title = true,
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        $freeze = false,
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        $user_choice = [],
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        $show_comment = false,
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        $show_answers = false,
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        $show_icon = false
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    ) {
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        $course_id = $exercise->course_id;
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        $exerciseId = $exercise->iId;
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        if (empty($course_id)) {
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            return '';
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        }
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        $course = $exercise->course;
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        // Change false to true in the following line to enable answer hinting
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        $debug_mark_answer = $show_answers;
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        // Reads question information
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        if (!$objQuestionTmp = Question::read($questionId, $course)) {
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            // Question not found
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            return false;
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        }
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        $questionRequireAuth = WhispeakAuthPlugin::questionRequireAuthentify($questionId);
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        if ($exercise->getFeedbackType() != EXERCISE_FEEDBACK_TYPE_END) {
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            $show_comment = false;
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        }
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        $answerType = $objQuestionTmp->selectType();
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        $pictureName = $objQuestionTmp->getPictureFilename();
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        $s = '';
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        if ($answerType != HOT_SPOT &&
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            $answerType != HOT_SPOT_DELINEATION &&
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            $answerType != ANNOTATION
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        ) {
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            // Question is not a hotspot
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            if (!$only_questions) {
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                $questionDescription = $objQuestionTmp->selectDescription();
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                if ($show_title) {
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                    if ($exercise->display_category_name) {
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                        TestCategory::displayCategoryAndTitle($objQuestionTmp->id);
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                    }
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                    $titleToDisplay = $objQuestionTmp->getTitleToDisplay($current_item);
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                    if ($answerType == READING_COMPREHENSION) {
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                        // In READING_COMPREHENSION, the title of the question
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                        // contains the question itself, which can only be
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                        // shown at the end of the given time, so hide for now
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                        $titleToDisplay = Display::div(
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                            $current_item.'. '.get_lang('ReadingComprehension'),
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                            ['class' => 'question_title']
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                        );
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                    }
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                    echo $titleToDisplay;
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                }
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                if ($questionRequireAuth) {
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                    WhispeakAuthPlugin::quizQuestionAuthentify($questionId, $exercise);
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                    return false;
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                }
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                if (!empty($questionDescription) && $answerType != READING_COMPREHENSION) {
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                    echo Display::div(
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                        $questionDescription,
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                        ['class' => 'question_description']
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                    );
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                }
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            }
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            if (in_array($answerType, [FREE_ANSWER, ORAL_EXPRESSION]) && $freeze) {
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                return '';
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            }
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            echo '<div class="question_options">';
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            // construction of the Answer object (also gets all answers details)
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            $objAnswerTmp = new Answer($questionId, $course_id, $exercise);
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            $nbrAnswers = $objAnswerTmp->selectNbrAnswers();
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            $quizQuestionOptions = Question::readQuestionOption($questionId, $course_id);
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            // For "matching" type here, we need something a little bit special
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            // because the match between the suggestions and the answers cannot be
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            // done easily (suggestions and answers are in the same table), so we
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            // have to go through answers first (elems with "correct" value to 0).
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            $select_items = [];
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            //This will contain the number of answers on the left side. We call them
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            // suggestions here, for the sake of comprehensions, while the ones
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            // on the right side are called answers
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            $num_suggestions = 0;
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            switch ($answerType) {
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                case MATCHING:
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                case DRAGGABLE:
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                case MATCHING_DRAGGABLE:
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                    if ($answerType == DRAGGABLE) {
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                        $isVertical = $objQuestionTmp->extra == 'v';
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                        $s .= '
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                            <div class="row">
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                                <div class="col-md-12">
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                                    <p class="small">'.get_lang('DraggableQuestionIntro').'</p>
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                                    <ul class="exercise-draggable-answer list-unstyled '
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                            .($isVertical ? '' : 'list-inline').'" id="question-'.$questionId.'" data-question="'
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                            .$questionId.'">
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                        ';
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                    } else {
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                        $s .= '<div id="drag'.$questionId.'_question" class="drag_question">
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                               <table class="table table-hover table-striped data_table">';
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                    }
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                    // Iterate through answers.
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                    $x = 1;
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                    // Mark letters for each answer.
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                    $letter = 'A';
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                    $answer_matching = [];
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                    $cpt1 = [];
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                    for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
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                        $answerCorrect = $objAnswerTmp->isCorrect($answerId);
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                        $numAnswer = $objAnswerTmp->selectAutoId($answerId);
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                        if ($answerCorrect == 0) {
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                            // options (A, B, C, ...) that will be put into the list-box
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                            // have the "correct" field set to 0 because they are answer
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                            $cpt1[$x] = $letter;
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                            $answer_matching[$x] = $objAnswerTmp->selectAnswerByAutoId($numAnswer);
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                            $x++;
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                            $letter++;
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                        }
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                    }
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                    $i = 1;
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                    $select_items[0]['id'] = 0;
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                    $select_items[0]['letter'] = '--';
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                    $select_items[0]['answer'] = '';
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                    foreach ($answer_matching as $id => $value) {
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                        $select_items[$i]['id'] = $value['id_auto'];
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                        $select_items[$i]['letter'] = $cpt1[$id];
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                        $select_items[$i]['answer'] = $value['answer'];
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                        $i++;
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                    }
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                    $user_choice_array_position = [];
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                    if (!empty($user_choice)) {
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						|
                        foreach ($user_choice as $item) {
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                            $user_choice_array_position[$item['position']] = $item['answer'];
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                        }
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                    }
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                    $num_suggestions = ($nbrAnswers - $x) + 1;
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                    break;
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                case FREE_ANSWER:
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                    $fck_content = isset($user_choice[0]) && !empty($user_choice[0]['answer']) ? $user_choice[0]['answer'] : null;
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                    $form = new FormValidator('free_choice_'.$questionId);
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                    $config = [
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                        'ToolbarSet' => 'TestFreeAnswer',
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                        'id' => 'choice['.$questionId.']',
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                    ];
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                    $form->addHtmlEditor(
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                        'choice['.$questionId.']',
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                        null,
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                        false,
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                        false,
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                        $config
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                    );
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                    $form->setDefaults(["choice[".$questionId."]" => $fck_content]);
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                    $s .= $form->returnForm();
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                    break;
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                case ORAL_EXPRESSION:
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                    // Add nanog
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						|
                    if (api_get_setting('enable_record_audio') === 'true') {
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                        //@todo pass this as a parameter
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                        global $exercise_stat_info;
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                        if (!empty($exercise_stat_info)) {
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                            $objQuestionTmp->initFile(
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                                api_get_session_id(),
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                                api_get_user_id(),
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                                $exercise_stat_info['exe_exo_id'],
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                                $exercise_stat_info['exe_id']
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                            );
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                        } else {
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                            $objQuestionTmp->initFile(
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                                api_get_session_id(),
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                                api_get_user_id(),
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                                $exerciseId,
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                                'temp_exe'
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                            );
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                        }
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                        echo $objQuestionTmp->returnRecorder();
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						|
                    }
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                    $form = new FormValidator('free_choice_'.$questionId);
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                    $config = ['ToolbarSet' => 'TestFreeAnswer'];
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						|
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                    $form->addHtml('<div id="'.'hide_description_'.$questionId.'_options" style="display: none;">');
 | 
						|
                    $form->addHtmlEditor(
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                        "choice[$questionId]",
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                        null,
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                        false,
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                        false,
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                        $config
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                    );
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                    $form->addHtml('</div>');
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                    $s .= $form->returnForm();
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                    break;
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            }
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            // Now navigate through the possible answers, using the max number of
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            // answers for the question as a limiter
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            $lines_count = 1; // a counter for matching-type answers
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						|
            if ($answerType == MULTIPLE_ANSWER_TRUE_FALSE ||
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                $answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE
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            ) {
 | 
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                $header = Display::tag('th', get_lang('Options'));
 | 
						|
                foreach ($objQuestionTmp->options as $item) {
 | 
						|
                    if ($answerType == MULTIPLE_ANSWER_TRUE_FALSE) {
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						|
                        if (in_array($item, $objQuestionTmp->options)) {
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                            $header .= Display::tag('th', get_lang($item));
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						|
                        } else {
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                            $header .= Display::tag('th', $item);
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                        }
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						|
                    } else {
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                        $header .= Display::tag('th', $item);
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						|
                    }
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                }
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						|
                if ($show_comment) {
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                    $header .= Display::tag('th', get_lang('Feedback'));
 | 
						|
                }
 | 
						|
                $s .= '<table class="table table-hover table-striped">';
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						|
                $s .= Display::tag(
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						|
                    'tr',
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                    $header,
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						|
                    ['style' => 'text-align:left;']
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                );
 | 
						|
            } elseif ($answerType == MULTIPLE_ANSWER_TRUE_FALSE_DEGREE_CERTAINTY) {
 | 
						|
                $header = Display::tag('th', get_lang('Options'), ['width' => '50%']);
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                echo "
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						|
                <script>
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						|
                    function RadioValidator(question_id, answer_id)
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						|
                    {
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						|
                        var ShowAlert = '';
 | 
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                        var typeRadioB = '';
 | 
						|
                        var AllFormElements = window.document.getElementById('exercise_form').elements;
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						|
                        for (i = 0; i < AllFormElements.length; i++) {
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						|
                            if (AllFormElements[i].type == 'radio') {
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                                var ThisRadio = AllFormElements[i].name;
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						|
                                var ThisChecked = 'No';
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						|
                                var AllRadioOptions = document.getElementsByName(ThisRadio);
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 | 
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                                for (x = 0; x < AllRadioOptions.length; x++) {
 | 
						|
                                     if (AllRadioOptions[x].checked && ThisChecked == 'No') {
 | 
						|
                                         ThisChecked = 'Yes';
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						|
                                         break;
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						|
                                     }
 | 
						|
                                }
 | 
						|
 | 
						|
                                var AlreadySearched = ShowAlert.indexOf(ThisRadio);
 | 
						|
                                if (ThisChecked == 'No' && AlreadySearched == -1) {
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						|
                                    ShowAlert = ShowAlert + ThisRadio;
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
                        if (ShowAlert != '') {
 | 
						|
 | 
						|
                        } else {
 | 
						|
                            $('.question-validate-btn').removeAttr('disabled');
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
 | 
						|
                    function handleRadioRow(event, question_id, answer_id) {
 | 
						|
                        var t = event.target;
 | 
						|
                        if (t && t.tagName == 'INPUT')
 | 
						|
                            return;
 | 
						|
                        while (t && t.tagName != 'TD') {
 | 
						|
                            t = t.parentElement;
 | 
						|
                        }
 | 
						|
                        var r = t.getElementsByTagName('INPUT')[0];
 | 
						|
                        r.click();
 | 
						|
                        RadioValidator(question_id, answer_id);
 | 
						|
                    }
 | 
						|
 | 
						|
                    $(function() {
 | 
						|
                        var ShowAlert = '';
 | 
						|
                        var typeRadioB = '';
 | 
						|
                        var question_id = $('input[name=question_id]').val();
 | 
						|
                        var AllFormElements = window.document.getElementById('exercise_form').elements;
 | 
						|
 | 
						|
                        for (i = 0; i < AllFormElements.length; i++) {
 | 
						|
                            if (AllFormElements[i].type == 'radio') {
 | 
						|
                                var ThisRadio = AllFormElements[i].name;
 | 
						|
                                var ThisChecked = 'No';
 | 
						|
                                var AllRadioOptions = document.getElementsByName(ThisRadio);
 | 
						|
 | 
						|
                                for (x = 0; x < AllRadioOptions.length; x++) {
 | 
						|
                                    if (AllRadioOptions[x].checked && ThisChecked == 'No') {
 | 
						|
                                        ThisChecked = \"Yes\";
 | 
						|
                                        break;
 | 
						|
                                    }
 | 
						|
                                }
 | 
						|
 | 
						|
                                var AlreadySearched = ShowAlert.indexOf(ThisRadio);
 | 
						|
                                if (ThisChecked == 'No' && AlreadySearched == -1) {
 | 
						|
                                    ShowAlert = ShowAlert + ThisRadio;
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
 | 
						|
                        if (ShowAlert != '') {
 | 
						|
                             $('.question-validate-btn').attr('disabled', 'disabled');
 | 
						|
                        } else {
 | 
						|
                            $('.question-validate-btn').removeAttr('disabled');
 | 
						|
                        }
 | 
						|
                    });
 | 
						|
                </script>";
 | 
						|
 | 
						|
                foreach ($objQuestionTmp->optionsTitle as $item) {
 | 
						|
                    if (in_array($item, $objQuestionTmp->optionsTitle)) {
 | 
						|
                        $properties = [];
 | 
						|
                        if ($item === 'Answers') {
 | 
						|
                            $properties['colspan'] = 2;
 | 
						|
                            $properties['style'] = 'background-color: #F56B2A; color: #ffffff;';
 | 
						|
                        } elseif ($item == 'DegreeOfCertaintyThatMyAnswerIsCorrect') {
 | 
						|
                            $properties['colspan'] = 6;
 | 
						|
                            $properties['style'] = 'background-color: #330066; color: #ffffff;';
 | 
						|
                        }
 | 
						|
                        $header .= Display::tag('th', get_lang($item), $properties);
 | 
						|
                    } else {
 | 
						|
                        $header .= Display::tag('th', $item);
 | 
						|
                    }
 | 
						|
                }
 | 
						|
 | 
						|
                if ($show_comment) {
 | 
						|
                    $header .= Display::tag('th', get_lang('Feedback'));
 | 
						|
                }
 | 
						|
 | 
						|
                $s .= '<table class="table table-hover table-striped data_table">';
 | 
						|
                $s .= Display::tag('tr', $header, ['style' => 'text-align:left;']);
 | 
						|
 | 
						|
                // ajout de la 2eme ligne d'entête pour true/falss et les pourcentages de certitude
 | 
						|
                $header1 = Display::tag('th', ' ');
 | 
						|
                $cpt1 = 0;
 | 
						|
                foreach ($objQuestionTmp->options as $item) {
 | 
						|
                    $colorBorder1 = $cpt1 == (count($objQuestionTmp->options) - 1)
 | 
						|
                        ? '' : 'border-right: solid #FFFFFF 1px;';
 | 
						|
                    if ($item === 'True' || $item === 'False') {
 | 
						|
                        $header1 .= Display::tag(
 | 
						|
                            'th',
 | 
						|
                            get_lang($item),
 | 
						|
                            ['style' => 'background-color: #F7C9B4; color: black;'.$colorBorder1]
 | 
						|
                        );
 | 
						|
                    } else {
 | 
						|
                        $header1 .= Display::tag(
 | 
						|
                            'th',
 | 
						|
                            $item,
 | 
						|
                            ['style' => 'background-color: #e6e6ff; color: black;padding:5px; '.$colorBorder1]
 | 
						|
                        );
 | 
						|
                    }
 | 
						|
                    $cpt1++;
 | 
						|
                }
 | 
						|
                if ($show_comment) {
 | 
						|
                    $header1 .= Display::tag('th', ' ');
 | 
						|
                }
 | 
						|
 | 
						|
                $s .= Display::tag('tr', $header1);
 | 
						|
 | 
						|
                // add explanation
 | 
						|
                $header2 = Display::tag('th', ' ');
 | 
						|
                $descriptionList = [
 | 
						|
                    get_lang('DegreeOfCertaintyIDeclareMyIgnorance'),
 | 
						|
                    get_lang('DegreeOfCertaintyIAmVeryUnsure'),
 | 
						|
                    get_lang('DegreeOfCertaintyIAmUnsure'),
 | 
						|
                    get_lang('DegreeOfCertaintyIAmPrettySure'),
 | 
						|
                    get_lang('DegreeOfCertaintyIAmSure'),
 | 
						|
                    get_lang('DegreeOfCertaintyIAmVerySure'),
 | 
						|
                ];
 | 
						|
                $counter2 = 0;
 | 
						|
                foreach ($objQuestionTmp->options as $item) {
 | 
						|
                    if ($item === 'True' || $item === 'False') {
 | 
						|
                        $header2 .= Display::tag('td',
 | 
						|
                            ' ',
 | 
						|
                            ['style' => 'background-color: #F7E1D7; color: black;border-right: solid #FFFFFF 1px;']);
 | 
						|
                    } else {
 | 
						|
                        $color_border2 = ($counter2 == (count($objQuestionTmp->options) - 1)) ?
 | 
						|
                            '' : 'border-right: solid #FFFFFF 1px;font-size:11px;';
 | 
						|
                        $header2 .= Display::tag(
 | 
						|
                            'td',
 | 
						|
                            nl2br($descriptionList[$counter2]),
 | 
						|
                            ['style' => 'background-color: #EFEFFC; color: black; width: 110px; text-align:center;
 | 
						|
                                vertical-align: top; padding:5px; '.$color_border2]);
 | 
						|
                        $counter2++;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
                if ($show_comment) {
 | 
						|
                    $header2 .= Display::tag('th', ' ');
 | 
						|
                }
 | 
						|
                $s .= Display::tag('tr', $header2);
 | 
						|
            }
 | 
						|
 | 
						|
            if ($show_comment) {
 | 
						|
                if (in_array(
 | 
						|
                    $answerType,
 | 
						|
                    [
 | 
						|
                        MULTIPLE_ANSWER,
 | 
						|
                        MULTIPLE_ANSWER_COMBINATION,
 | 
						|
                        UNIQUE_ANSWER,
 | 
						|
                        UNIQUE_ANSWER_IMAGE,
 | 
						|
                        UNIQUE_ANSWER_NO_OPTION,
 | 
						|
                        GLOBAL_MULTIPLE_ANSWER,
 | 
						|
                    ]
 | 
						|
                )) {
 | 
						|
                    $header = Display::tag('th', get_lang('Options'));
 | 
						|
                    if ($exercise->getFeedbackType() == EXERCISE_FEEDBACK_TYPE_END) {
 | 
						|
                        $header .= Display::tag('th', get_lang('Feedback'));
 | 
						|
                    }
 | 
						|
                    $s .= '<table class="table table-hover table-striped">';
 | 
						|
                    $s .= Display::tag(
 | 
						|
                        'tr',
 | 
						|
                        $header,
 | 
						|
                        ['style' => 'text-align:left;']
 | 
						|
                    );
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            $matching_correct_answer = 0;
 | 
						|
            $userChoiceList = [];
 | 
						|
            if (!empty($user_choice)) {
 | 
						|
                foreach ($user_choice as $item) {
 | 
						|
                    $userChoiceList[] = $item['answer'];
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            $hidingClass = '';
 | 
						|
            if ($answerType == READING_COMPREHENSION) {
 | 
						|
                $objQuestionTmp->setExerciseType($exercise->selectType());
 | 
						|
                $objQuestionTmp->processText($objQuestionTmp->selectDescription());
 | 
						|
                $hidingClass = 'hide-reading-answers';
 | 
						|
                $s .= Display::div(
 | 
						|
                    $objQuestionTmp->selectTitle(),
 | 
						|
                    ['class' => 'question_title '.$hidingClass]
 | 
						|
                );
 | 
						|
            }
 | 
						|
 | 
						|
            for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
 | 
						|
                $answer = $objAnswerTmp->selectAnswer($answerId);
 | 
						|
                $answerCorrect = $objAnswerTmp->isCorrect($answerId);
 | 
						|
                $numAnswer = $objAnswerTmp->selectAutoId($answerId);
 | 
						|
                $comment = $objAnswerTmp->selectComment($answerId);
 | 
						|
                $attributes = [];
 | 
						|
 | 
						|
                switch ($answerType) {
 | 
						|
                    case UNIQUE_ANSWER:
 | 
						|
                    case UNIQUE_ANSWER_NO_OPTION:
 | 
						|
                    case UNIQUE_ANSWER_IMAGE:
 | 
						|
                    case READING_COMPREHENSION:
 | 
						|
                        $input_id = 'choice-'.$questionId.'-'.$answerId;
 | 
						|
                        if (isset($user_choice[0]['answer']) && $user_choice[0]['answer'] == $numAnswer) {
 | 
						|
                            $attributes = [
 | 
						|
                                'id' => $input_id,
 | 
						|
                                'checked' => 1,
 | 
						|
                                'selected' => 1,
 | 
						|
                            ];
 | 
						|
                        } else {
 | 
						|
                            $attributes = ['id' => $input_id];
 | 
						|
                        }
 | 
						|
 | 
						|
                        if ($debug_mark_answer) {
 | 
						|
                            if ($answerCorrect) {
 | 
						|
                                $attributes['checked'] = 1;
 | 
						|
                                $attributes['selected'] = 1;
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
 | 
						|
                        if ($show_comment) {
 | 
						|
                            $s .= '<tr><td>';
 | 
						|
                        }
 | 
						|
 | 
						|
                        if ($answerType == UNIQUE_ANSWER_IMAGE) {
 | 
						|
                            if ($show_comment) {
 | 
						|
                                if (empty($comment)) {
 | 
						|
                                    $s .= '<div id="answer'.$questionId.$numAnswer.'"
 | 
						|
                                            class="exercise-unique-answer-image" style="text-align: center">';
 | 
						|
                                } else {
 | 
						|
                                    $s .= '<div id="answer'.$questionId.$numAnswer.'"
 | 
						|
                                            class="exercise-unique-answer-image col-xs-6 col-sm-12"
 | 
						|
                                            style="text-align: center">';
 | 
						|
                                }
 | 
						|
                            } else {
 | 
						|
                                $s .= '<div id="answer'.$questionId.$numAnswer.'"
 | 
						|
                                        class="exercise-unique-answer-image col-xs-6 col-md-3"
 | 
						|
                                        style="text-align: center">';
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
 | 
						|
                        if ($answerType != UNIQUE_ANSWER_IMAGE) {
 | 
						|
                            $answer = Security::remove_XSS($answer, STUDENT);
 | 
						|
                        }
 | 
						|
                        $s .= Display::input(
 | 
						|
                            'hidden',
 | 
						|
                            'choice2['.$questionId.']',
 | 
						|
                            '0'
 | 
						|
                        );
 | 
						|
 | 
						|
                        $answer_input = null;
 | 
						|
                        $attributes['class'] = 'checkradios';
 | 
						|
                        if ($answerType == UNIQUE_ANSWER_IMAGE) {
 | 
						|
                            $attributes['class'] = '';
 | 
						|
                            $attributes['style'] = 'display: none;';
 | 
						|
                            $answer = '<div class="thumbnail">'.$answer.'</div>';
 | 
						|
                        }
 | 
						|
 | 
						|
                        $answer_input .= '<label class="radio '.$hidingClass.'">';
 | 
						|
                        $answer_input .= Display::input(
 | 
						|
                            'radio',
 | 
						|
                            'choice['.$questionId.']',
 | 
						|
                            $numAnswer,
 | 
						|
                            $attributes
 | 
						|
                        );
 | 
						|
                        $answer_input .= $answer;
 | 
						|
                        $answer_input .= '</label>';
 | 
						|
 | 
						|
                        if ($answerType == UNIQUE_ANSWER_IMAGE) {
 | 
						|
                            $answer_input .= "</div>";
 | 
						|
                        }
 | 
						|
 | 
						|
                        if ($show_comment) {
 | 
						|
                            $s .= $answer_input;
 | 
						|
                            $s .= '</td>';
 | 
						|
                            $s .= '<td>';
 | 
						|
                            $s .= $comment;
 | 
						|
                            $s .= '</td>';
 | 
						|
                            $s .= '</tr>';
 | 
						|
                        } else {
 | 
						|
                            $s .= $answer_input;
 | 
						|
                        }
 | 
						|
                        break;
 | 
						|
                    case MULTIPLE_ANSWER:
 | 
						|
                    case MULTIPLE_ANSWER_TRUE_FALSE:
 | 
						|
                    case GLOBAL_MULTIPLE_ANSWER:
 | 
						|
                    case MULTIPLE_ANSWER_TRUE_FALSE_DEGREE_CERTAINTY:
 | 
						|
                        $input_id = 'choice-'.$questionId.'-'.$answerId;
 | 
						|
                        $answer = Security::remove_XSS($answer, STUDENT);
 | 
						|
 | 
						|
                        if (in_array($numAnswer, $userChoiceList)) {
 | 
						|
                            $attributes = [
 | 
						|
                                'id' => $input_id,
 | 
						|
                                'checked' => 1,
 | 
						|
                                'selected' => 1,
 | 
						|
                            ];
 | 
						|
                        } else {
 | 
						|
                            $attributes = ['id' => $input_id];
 | 
						|
                        }
 | 
						|
 | 
						|
                        if ($debug_mark_answer) {
 | 
						|
                            if ($answerCorrect) {
 | 
						|
                                $attributes['checked'] = 1;
 | 
						|
                                $attributes['selected'] = 1;
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
 | 
						|
                        if ($answerType == MULTIPLE_ANSWER || $answerType == GLOBAL_MULTIPLE_ANSWER) {
 | 
						|
                            $s .= '<input type="hidden" name="choice2['.$questionId.']" value="0" />';
 | 
						|
                            $attributes['class'] = 'checkradios';
 | 
						|
                            $answer_input = '<label class="checkbox">';
 | 
						|
                            $answer_input .= Display::input(
 | 
						|
                                'checkbox',
 | 
						|
                                'choice['.$questionId.']['.$numAnswer.']',
 | 
						|
                                $numAnswer,
 | 
						|
                                $attributes
 | 
						|
                            );
 | 
						|
                            $answer_input .= $answer;
 | 
						|
                            $answer_input .= '</label>';
 | 
						|
 | 
						|
                            if ($show_comment) {
 | 
						|
                                $s .= '<tr><td>';
 | 
						|
                                $s .= $answer_input;
 | 
						|
                                $s .= '</td>';
 | 
						|
                                $s .= '<td>';
 | 
						|
                                $s .= $comment;
 | 
						|
                                $s .= '</td>';
 | 
						|
                                $s .= '</tr>';
 | 
						|
                            } else {
 | 
						|
                                $s .= $answer_input;
 | 
						|
                            }
 | 
						|
                        } elseif ($answerType == MULTIPLE_ANSWER_TRUE_FALSE) {
 | 
						|
                            $myChoice = [];
 | 
						|
                            if (!empty($userChoiceList)) {
 | 
						|
                                foreach ($userChoiceList as $item) {
 | 
						|
                                    $item = explode(':', $item);
 | 
						|
                                    if (!empty($item)) {
 | 
						|
                                        $myChoice[$item[0]] = isset($item[1]) ? $item[1] : '';
 | 
						|
                                    }
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
 | 
						|
                            $s .= '<tr>';
 | 
						|
                            $s .= Display::tag('td', $answer);
 | 
						|
 | 
						|
                            if (!empty($quizQuestionOptions)) {
 | 
						|
                                foreach ($quizQuestionOptions as $id => $item) {
 | 
						|
                                    if (isset($myChoice[$numAnswer]) && $id == $myChoice[$numAnswer]) {
 | 
						|
                                        $attributes = [
 | 
						|
                                            'checked' => 1,
 | 
						|
                                            'selected' => 1,
 | 
						|
                                        ];
 | 
						|
                                    } else {
 | 
						|
                                        $attributes = [];
 | 
						|
                                    }
 | 
						|
 | 
						|
                                    if ($debug_mark_answer) {
 | 
						|
                                        if ($id == $answerCorrect) {
 | 
						|
                                            $attributes['checked'] = 1;
 | 
						|
                                            $attributes['selected'] = 1;
 | 
						|
                                        }
 | 
						|
                                    }
 | 
						|
                                    $s .= Display::tag(
 | 
						|
                                        'td',
 | 
						|
                                        Display::input(
 | 
						|
                                            'radio',
 | 
						|
                                            'choice['.$questionId.']['.$numAnswer.']',
 | 
						|
                                            $id,
 | 
						|
                                            $attributes
 | 
						|
                                        ),
 | 
						|
                                        ['style' => '']
 | 
						|
                                    );
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
 | 
						|
                            if ($show_comment) {
 | 
						|
                                $s .= '<td>';
 | 
						|
                                $s .= $comment;
 | 
						|
                                $s .= '</td>';
 | 
						|
                            }
 | 
						|
                            $s .= '</tr>';
 | 
						|
                        } elseif ($answerType == MULTIPLE_ANSWER_TRUE_FALSE_DEGREE_CERTAINTY) {
 | 
						|
                            $myChoice = [];
 | 
						|
                            if (!empty($userChoiceList)) {
 | 
						|
                                foreach ($userChoiceList as $item) {
 | 
						|
                                    $item = explode(':', $item);
 | 
						|
                                    $myChoice[$item[0]] = $item[1];
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
                            $myChoiceDegreeCertainty = [];
 | 
						|
                            if (!empty($userChoiceList)) {
 | 
						|
                                foreach ($userChoiceList as $item) {
 | 
						|
                                    $item = explode(':', $item);
 | 
						|
                                    $myChoiceDegreeCertainty[$item[0]] = $item[2];
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
                            $s .= '<tr>';
 | 
						|
                            $s .= Display::tag('td', $answer);
 | 
						|
 | 
						|
                            if (!empty($quizQuestionOptions)) {
 | 
						|
                                foreach ($quizQuestionOptions as $id => $item) {
 | 
						|
                                    if (isset($myChoice[$numAnswer]) && $id == $myChoice[$numAnswer]) {
 | 
						|
                                        $attributes = ['checked' => 1, 'selected' => 1];
 | 
						|
                                    } else {
 | 
						|
                                        $attributes = [];
 | 
						|
                                    }
 | 
						|
                                    $attributes['onChange'] = 'RadioValidator('.$questionId.', '.$numAnswer.')';
 | 
						|
 | 
						|
                                    // radio button selection
 | 
						|
                                    if (isset($myChoiceDegreeCertainty[$numAnswer]) &&
 | 
						|
                                        $id == $myChoiceDegreeCertainty[$numAnswer]
 | 
						|
                                    ) {
 | 
						|
                                        $attributes1 = ['checked' => 1, 'selected' => 1];
 | 
						|
                                    } else {
 | 
						|
                                        $attributes1 = [];
 | 
						|
                                    }
 | 
						|
 | 
						|
                                    $attributes1['onChange'] = 'RadioValidator('.$questionId.', '.$numAnswer.')';
 | 
						|
 | 
						|
                                    if ($debug_mark_answer) {
 | 
						|
                                        if ($id == $answerCorrect) {
 | 
						|
                                            $attributes['checked'] = 1;
 | 
						|
                                            $attributes['selected'] = 1;
 | 
						|
                                        }
 | 
						|
                                    }
 | 
						|
 | 
						|
                                    if ($item['name'] == 'True' || $item['name'] == 'False') {
 | 
						|
                                        $s .= Display::tag('td',
 | 
						|
                                            Display::input('radio',
 | 
						|
                                                'choice['.$questionId.']['.$numAnswer.']',
 | 
						|
                                                $id,
 | 
						|
                                                $attributes
 | 
						|
                                            ),
 | 
						|
                                            ['style' => 'text-align:center; background-color:#F7E1D7;',
 | 
						|
                                                'onclick' => 'handleRadioRow(event, '.
 | 
						|
                                                    $questionId.', '.
 | 
						|
                                                    $numAnswer.')',
 | 
						|
                                            ]
 | 
						|
                                        );
 | 
						|
                                    } else {
 | 
						|
                                        $s .= Display::tag('td',
 | 
						|
                                            Display::input('radio',
 | 
						|
                                                'choiceDegreeCertainty['.$questionId.']['.$numAnswer.']',
 | 
						|
                                                $id,
 | 
						|
                                                $attributes1
 | 
						|
                                            ),
 | 
						|
                                            ['style' => 'text-align:center; background-color:#EFEFFC;',
 | 
						|
                                                'onclick' => 'handleRadioRow(event, '.
 | 
						|
                                                    $questionId.', '.
 | 
						|
                                                    $numAnswer.')',
 | 
						|
                                            ]
 | 
						|
                                        );
 | 
						|
                                    }
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
 | 
						|
                            if ($show_comment) {
 | 
						|
                                $s .= '<td>';
 | 
						|
                                $s .= $comment;
 | 
						|
                                $s .= '</td>';
 | 
						|
                            }
 | 
						|
                            $s .= '</tr>';
 | 
						|
                        }
 | 
						|
                        break;
 | 
						|
                    case MULTIPLE_ANSWER_COMBINATION:
 | 
						|
                        // multiple answers
 | 
						|
                        $input_id = 'choice-'.$questionId.'-'.$answerId;
 | 
						|
 | 
						|
                        if (in_array($numAnswer, $userChoiceList)) {
 | 
						|
                            $attributes = [
 | 
						|
                                'id' => $input_id,
 | 
						|
                                'checked' => 1,
 | 
						|
                                'selected' => 1,
 | 
						|
                            ];
 | 
						|
                        } else {
 | 
						|
                            $attributes = ['id' => $input_id];
 | 
						|
                        }
 | 
						|
 | 
						|
                        if ($debug_mark_answer) {
 | 
						|
                            if ($answerCorrect) {
 | 
						|
                                $attributes['checked'] = 1;
 | 
						|
                                $attributes['selected'] = 1;
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
 | 
						|
                        $answer = Security::remove_XSS($answer, STUDENT);
 | 
						|
                        $answer_input = '<input type="hidden" name="choice2['.$questionId.']" value="0" />';
 | 
						|
                        $answer_input .= '<label class="checkbox">';
 | 
						|
                        $answer_input .= Display::input(
 | 
						|
                            'checkbox',
 | 
						|
                            'choice['.$questionId.']['.$numAnswer.']',
 | 
						|
                            1,
 | 
						|
                            $attributes
 | 
						|
                        );
 | 
						|
                        $answer_input .= $answer;
 | 
						|
                        $answer_input .= '</label>';
 | 
						|
 | 
						|
                        if ($show_comment) {
 | 
						|
                            $s .= '<tr>';
 | 
						|
                            $s .= '<td>';
 | 
						|
                            $s .= $answer_input;
 | 
						|
                            $s .= '</td>';
 | 
						|
                            $s .= '<td>';
 | 
						|
                            $s .= $comment;
 | 
						|
                            $s .= '</td>';
 | 
						|
                            $s .= '</tr>';
 | 
						|
                        } else {
 | 
						|
                            $s .= $answer_input;
 | 
						|
                        }
 | 
						|
                        break;
 | 
						|
                    case MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE:
 | 
						|
                        $s .= '<input type="hidden" name="choice2['.$questionId.']" value="0" />';
 | 
						|
                        $myChoice = [];
 | 
						|
                        if (!empty($userChoiceList)) {
 | 
						|
                            foreach ($userChoiceList as $item) {
 | 
						|
                                $item = explode(':', $item);
 | 
						|
                                if (isset($item[1]) && isset($item[0])) {
 | 
						|
                                    $myChoice[$item[0]] = $item[1];
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
                        $answer = Security::remove_XSS($answer, STUDENT);
 | 
						|
                        $s .= '<tr>';
 | 
						|
                        $s .= Display::tag('td', $answer);
 | 
						|
                        foreach ($objQuestionTmp->options as $key => $item) {
 | 
						|
                            if (isset($myChoice[$numAnswer]) && $key == $myChoice[$numAnswer]) {
 | 
						|
                                $attributes = [
 | 
						|
                                    'checked' => 1,
 | 
						|
                                    'selected' => 1,
 | 
						|
                                ];
 | 
						|
                            } else {
 | 
						|
                                $attributes = [];
 | 
						|
                            }
 | 
						|
 | 
						|
                            if ($debug_mark_answer) {
 | 
						|
                                if ($key == $answerCorrect) {
 | 
						|
                                    $attributes['checked'] = 1;
 | 
						|
                                    $attributes['selected'] = 1;
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
                            $s .= Display::tag(
 | 
						|
                                'td',
 | 
						|
                                Display::input(
 | 
						|
                                    'radio',
 | 
						|
                                    'choice['.$questionId.']['.$numAnswer.']',
 | 
						|
                                    $key,
 | 
						|
                                    $attributes
 | 
						|
                                )
 | 
						|
                            );
 | 
						|
                        }
 | 
						|
 | 
						|
                        if ($show_comment) {
 | 
						|
                            $s .= '<td>';
 | 
						|
                            $s .= $comment;
 | 
						|
                            $s .= '</td>';
 | 
						|
                        }
 | 
						|
                        $s .= '</tr>';
 | 
						|
                        break;
 | 
						|
                    case FILL_IN_BLANKS:
 | 
						|
                        // display the question, with field empty, for student to fill it,
 | 
						|
                        // or filled to display the answer in the Question preview of the exercise/admin.php page
 | 
						|
                        $displayForStudent = true;
 | 
						|
                        $listAnswerInfo = FillBlanks::getAnswerInfo($answer);
 | 
						|
                        // Correct answers
 | 
						|
                        $correctAnswerList = $listAnswerInfo['words'];
 | 
						|
                        // Student's answer
 | 
						|
                        $studentAnswerList = [];
 | 
						|
                        if (isset($user_choice[0]['answer'])) {
 | 
						|
                            $arrayStudentAnswer = FillBlanks::getAnswerInfo(
 | 
						|
                                $user_choice[0]['answer'],
 | 
						|
                                true
 | 
						|
                            );
 | 
						|
                            $studentAnswerList = $arrayStudentAnswer['student_answer'];
 | 
						|
                        }
 | 
						|
 | 
						|
                        // If the question must be shown with the answer (in page exercise/admin.php)
 | 
						|
                        // for teacher preview set the student-answer to the correct answer
 | 
						|
                        if ($debug_mark_answer) {
 | 
						|
                            $studentAnswerList = $correctAnswerList;
 | 
						|
                            $displayForStudent = false;
 | 
						|
                        }
 | 
						|
 | 
						|
                        if (!empty($correctAnswerList) && !empty($studentAnswerList)) {
 | 
						|
                            $answer = '';
 | 
						|
                            for ($i = 0; $i < count($listAnswerInfo['common_words']) - 1; $i++) {
 | 
						|
                                // display the common word
 | 
						|
                                $answer .= $listAnswerInfo['common_words'][$i];
 | 
						|
                                // display the blank word
 | 
						|
                                $correctItem = $listAnswerInfo['words'][$i];
 | 
						|
                                if (isset($studentAnswerList[$i])) {
 | 
						|
                                    // If student already started this test and answered this question,
 | 
						|
                                    // fill the blank with his previous answers
 | 
						|
                                    // may be "" if student viewed the question, but did not fill the blanks
 | 
						|
                                    $correctItem = $studentAnswerList[$i];
 | 
						|
                                }
 | 
						|
                                $attributes['style'] = 'width:'.$listAnswerInfo['input_size'][$i].'px';
 | 
						|
                                $answer .= FillBlanks::getFillTheBlankHtml(
 | 
						|
                                    $current_item,
 | 
						|
                                    $questionId,
 | 
						|
                                    $correctItem,
 | 
						|
                                    $attributes,
 | 
						|
                                    $answer,
 | 
						|
                                    $listAnswerInfo,
 | 
						|
                                    $displayForStudent,
 | 
						|
                                    $i
 | 
						|
                                );
 | 
						|
                            }
 | 
						|
                            // display the last common word
 | 
						|
                            $answer .= $listAnswerInfo['common_words'][$i];
 | 
						|
                        } else {
 | 
						|
                            // display empty [input] with the right width for student to fill it
 | 
						|
                            $answer = '';
 | 
						|
                            for ($i = 0; $i < count($listAnswerInfo['common_words']) - 1; $i++) {
 | 
						|
                                // display the common words
 | 
						|
                                $answer .= $listAnswerInfo['common_words'][$i];
 | 
						|
                                // display the blank word
 | 
						|
                                $attributes['style'] = 'width:'.$listAnswerInfo['input_size'][$i].'px';
 | 
						|
                                $answer .= FillBlanks::getFillTheBlankHtml(
 | 
						|
                                    $current_item,
 | 
						|
                                    $questionId,
 | 
						|
                                    '',
 | 
						|
                                    $attributes,
 | 
						|
                                    $answer,
 | 
						|
                                    $listAnswerInfo,
 | 
						|
                                    $displayForStudent,
 | 
						|
                                    $i
 | 
						|
                                );
 | 
						|
                            }
 | 
						|
                            // display the last common word
 | 
						|
                            $answer .= $listAnswerInfo['common_words'][$i];
 | 
						|
                        }
 | 
						|
                        $s .= $answer;
 | 
						|
                        break;
 | 
						|
                    case CALCULATED_ANSWER:
 | 
						|
                        /*
 | 
						|
                         * In the CALCULATED_ANSWER test
 | 
						|
                         * you mustn't have [ and ] in the textarea
 | 
						|
                         * you mustn't have @@ in the textarea
 | 
						|
                         * the text to find mustn't be empty or contains only spaces
 | 
						|
                         * the text to find mustn't contains HTML tags
 | 
						|
                         * the text to find mustn't contains char "
 | 
						|
                         */
 | 
						|
                        if (null !== $origin) {
 | 
						|
                            global $exe_id;
 | 
						|
                            $exe_id = (int) $exe_id;
 | 
						|
                            $trackAttempts = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
 | 
						|
                            $sql = "SELECT answer FROM $trackAttempts
 | 
						|
                                    WHERE exe_id = $exe_id AND question_id= $questionId";
 | 
						|
                            $rsLastAttempt = Database::query($sql);
 | 
						|
                            $rowLastAttempt = Database::fetch_array($rsLastAttempt);
 | 
						|
 | 
						|
                            $answer = null;
 | 
						|
                            if (isset($rowLastAttempt['answer'])) {
 | 
						|
                                $answer = $rowLastAttempt['answer'];
 | 
						|
                            }
 | 
						|
 | 
						|
                            if (empty($answer)) {
 | 
						|
                                $_SESSION['calculatedAnswerId'][$questionId] = mt_rand(
 | 
						|
                                    1,
 | 
						|
                                    $nbrAnswers
 | 
						|
                                );
 | 
						|
                                $answer = $objAnswerTmp->selectAnswer(
 | 
						|
                                    $_SESSION['calculatedAnswerId'][$questionId]
 | 
						|
                                );
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
 | 
						|
                        list($answer) = explode('@@', $answer);
 | 
						|
                        // $correctAnswerList array of array with correct anwsers 0=> [0=>[\p] 1=>[plop]]
 | 
						|
                        api_preg_match_all(
 | 
						|
                            '/\[[^]]+\]/',
 | 
						|
                            $answer,
 | 
						|
                            $correctAnswerList
 | 
						|
                        );
 | 
						|
 | 
						|
                        // get student answer to display it if student go back
 | 
						|
                        // to previous calculated answer question in a test
 | 
						|
                        if (isset($user_choice[0]['answer'])) {
 | 
						|
                            api_preg_match_all(
 | 
						|
                                '/\[[^]]+\]/',
 | 
						|
                                $answer,
 | 
						|
                                $studentAnswerList
 | 
						|
                            );
 | 
						|
                            $studentAnswerListToClean = $studentAnswerList[0];
 | 
						|
                            $studentAnswerList = [];
 | 
						|
 | 
						|
                            $maxStudents = count($studentAnswerListToClean);
 | 
						|
                            for ($i = 0; $i < $maxStudents; $i++) {
 | 
						|
                                $answerCorrected = $studentAnswerListToClean[$i];
 | 
						|
                                $answerCorrected = api_preg_replace(
 | 
						|
                                    '| / <font color="green"><b>.*$|',
 | 
						|
                                    '',
 | 
						|
                                    $answerCorrected
 | 
						|
                                );
 | 
						|
                                $answerCorrected = api_preg_replace(
 | 
						|
                                    '/^\[/',
 | 
						|
                                    '',
 | 
						|
                                    $answerCorrected
 | 
						|
                                );
 | 
						|
                                $answerCorrected = api_preg_replace(
 | 
						|
                                    '|^<font color="red"><s>|',
 | 
						|
                                    '',
 | 
						|
                                    $answerCorrected
 | 
						|
                                );
 | 
						|
                                $answerCorrected = api_preg_replace(
 | 
						|
                                    '|</s></font>$|',
 | 
						|
                                    '',
 | 
						|
                                    $answerCorrected
 | 
						|
                                );
 | 
						|
                                $answerCorrected = '['.$answerCorrected.']';
 | 
						|
                                $studentAnswerList[] = $answerCorrected;
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
 | 
						|
                        // If display preview of answer in test view for exemple,
 | 
						|
                        // set the student answer to the correct answers
 | 
						|
                        if ($debug_mark_answer) {
 | 
						|
                            // contain the rights answers surronded with brackets
 | 
						|
                            $studentAnswerList = $correctAnswerList[0];
 | 
						|
                        }
 | 
						|
 | 
						|
                        /*
 | 
						|
                        Split the response by bracket
 | 
						|
                        tabComments is an array with text surrounding the text to find
 | 
						|
                        we add a space before and after the answerQuestion to be sure to
 | 
						|
                        have a block of text before and after [xxx] patterns
 | 
						|
                        so we have n text to find ([xxx]) and n+1 block of texts before,
 | 
						|
                        between and after the text to find
 | 
						|
                        */
 | 
						|
                        $tabComments = api_preg_split(
 | 
						|
                            '/\[[^]]+\]/',
 | 
						|
                            ' '.$answer.' '
 | 
						|
                        );
 | 
						|
                        if (!empty($correctAnswerList) && !empty($studentAnswerList)) {
 | 
						|
                            $answer = '';
 | 
						|
                            $i = 0;
 | 
						|
                            foreach ($studentAnswerList as $studentItem) {
 | 
						|
                                // Remove surronding brackets
 | 
						|
                                $studentResponse = api_substr(
 | 
						|
                                    $studentItem,
 | 
						|
                                    1,
 | 
						|
                                    api_strlen($studentItem) - 2
 | 
						|
                                );
 | 
						|
                                $size = strlen($studentItem);
 | 
						|
                                $attributes['class'] = self::detectInputAppropriateClass($size);
 | 
						|
                                $answer .= $tabComments[$i].
 | 
						|
                                    Display::input(
 | 
						|
                                        'text',
 | 
						|
                                        "choice[$questionId][]",
 | 
						|
                                        $studentResponse,
 | 
						|
                                        $attributes
 | 
						|
                                    );
 | 
						|
                                $i++;
 | 
						|
                            }
 | 
						|
                            $answer .= $tabComments[$i];
 | 
						|
                        } else {
 | 
						|
                            // display exercise with empty input fields
 | 
						|
                            // every [xxx] are replaced with an empty input field
 | 
						|
                            foreach ($correctAnswerList[0] as $item) {
 | 
						|
                                $size = strlen($item);
 | 
						|
                                $attributes['class'] = self::detectInputAppropriateClass($size);
 | 
						|
                                if (EXERCISE_FEEDBACK_TYPE_POPUP == $exercise->getFeedbackType()) {
 | 
						|
                                    $attributes['id'] = "question_$questionId";
 | 
						|
                                    $attributes['class'] .= ' checkCalculatedQuestionOnEnter ';
 | 
						|
                                }
 | 
						|
 | 
						|
                                $answer = str_replace(
 | 
						|
                                    $item,
 | 
						|
                                    Display::input(
 | 
						|
                                        'text',
 | 
						|
                                        "choice[$questionId][]",
 | 
						|
                                        '',
 | 
						|
                                        $attributes
 | 
						|
                                    ),
 | 
						|
                                    $answer
 | 
						|
                                );
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
                        if (null !== $origin) {
 | 
						|
                            $s = $answer;
 | 
						|
                            break;
 | 
						|
                        } else {
 | 
						|
                            $s .= $answer;
 | 
						|
                        }
 | 
						|
                        break;
 | 
						|
                    case MATCHING:
 | 
						|
                        // matching type, showing suggestions and answers
 | 
						|
                        // TODO: replace $answerId by $numAnswer
 | 
						|
                        if ($answerCorrect != 0) {
 | 
						|
                            // only show elements to be answered (not the contents of
 | 
						|
                            // the select boxes, who are correct = 0)
 | 
						|
                            $s .= '<tr><td width="45%" valign="top">';
 | 
						|
                            $parsed_answer = $answer;
 | 
						|
                            // Left part questions
 | 
						|
                            $s .= '<p class="indent">'.$lines_count.'. '.$parsed_answer.'</p></td>';
 | 
						|
                            // Middle part (matches selects)
 | 
						|
                            // Id of select is # question + # of option
 | 
						|
                            $s .= '<td width="10%" valign="top" align="center">
 | 
						|
                                <div class="select-matching">
 | 
						|
                                <select
 | 
						|
                                    id="choice_id_'.$current_item.'_'.$lines_count.'"
 | 
						|
                                    name="choice['.$questionId.']['.$numAnswer.']">';
 | 
						|
 | 
						|
                            // fills the list-box
 | 
						|
                            foreach ($select_items as $key => $val) {
 | 
						|
                                // set $debug_mark_answer to true at function start to
 | 
						|
                                // show the correct answer with a suffix '-x'
 | 
						|
                                $selected = '';
 | 
						|
                                if ($debug_mark_answer) {
 | 
						|
                                    if ($val['id'] == $answerCorrect) {
 | 
						|
                                        $selected = 'selected="selected"';
 | 
						|
                                    }
 | 
						|
                                }
 | 
						|
                                //$user_choice_array_position
 | 
						|
                                if (isset($user_choice_array_position[$numAnswer]) &&
 | 
						|
                                    $val['id'] == $user_choice_array_position[$numAnswer]
 | 
						|
                                ) {
 | 
						|
                                    $selected = 'selected="selected"';
 | 
						|
                                }
 | 
						|
                                $s .= '<option value="'.$val['id'].'" '.$selected.'>'.$val['letter'].'</option>';
 | 
						|
                            }
 | 
						|
 | 
						|
                            $s .= '</select></div></td><td width="5%" class="separate"> </td>';
 | 
						|
                            $s .= '<td width="40%" valign="top" >';
 | 
						|
                            if (isset($select_items[$lines_count])) {
 | 
						|
                                $s .= '<div class="text-right">
 | 
						|
                                        <p class="indent">'.
 | 
						|
                                    $select_items[$lines_count]['letter'].'.  '.
 | 
						|
                                    $select_items[$lines_count]['answer'].'
 | 
						|
                                        </p>
 | 
						|
                                        </div>';
 | 
						|
                            } else {
 | 
						|
                                $s .= ' ';
 | 
						|
                            }
 | 
						|
                            $s .= '</td>';
 | 
						|
                            $s .= '</tr>';
 | 
						|
                            $lines_count++;
 | 
						|
                            // If the left side of the "matching" has been completely
 | 
						|
                            // shown but the right side still has values to show...
 | 
						|
                            if (($lines_count - 1) == $num_suggestions) {
 | 
						|
                                // if it remains answers to shown at the right side
 | 
						|
                                while (isset($select_items[$lines_count])) {
 | 
						|
                                    $s .= '<tr>
 | 
						|
                                      <td colspan="2"></td>
 | 
						|
                                      <td valign="top">';
 | 
						|
                                    $s .= '<b>'.$select_items[$lines_count]['letter'].'.</b> '.
 | 
						|
                                        $select_items[$lines_count]['answer'];
 | 
						|
                                    $s .= "</td>
 | 
						|
                                </tr>";
 | 
						|
                                    $lines_count++;
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
                            $matching_correct_answer++;
 | 
						|
                        }
 | 
						|
                        break;
 | 
						|
                    case DRAGGABLE:
 | 
						|
                        if ($answerCorrect) {
 | 
						|
                            $windowId = $questionId.'_'.$lines_count;
 | 
						|
                            $s .= '<li class="touch-items" id="'.$windowId.'">';
 | 
						|
                            $s .= Display::div(
 | 
						|
                                $answer,
 | 
						|
                                [
 | 
						|
                                    'id' => "window_$windowId",
 | 
						|
                                    'class' => "window{$questionId}_question_draggable exercise-draggable-answer-option",
 | 
						|
                                ]
 | 
						|
                            );
 | 
						|
 | 
						|
                            $draggableSelectOptions = [];
 | 
						|
                            $selectedValue = 0;
 | 
						|
                            $selectedIndex = 0;
 | 
						|
                            if ($user_choice) {
 | 
						|
                                foreach ($user_choice as $userChoiceKey => $chosen) {
 | 
						|
                                    $userChoiceKey++;
 | 
						|
                                    if ($lines_count != $userChoiceKey) {
 | 
						|
                                        continue;
 | 
						|
                                    }
 | 
						|
                                    /*if ($answerCorrect != $chosen['answer']) {
 | 
						|
                                        continue;
 | 
						|
                                    }*/
 | 
						|
                                    $selectedValue = $chosen['answer'];
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
                            foreach ($select_items as $key => $select_item) {
 | 
						|
                                $draggableSelectOptions[$select_item['id']] = $select_item['letter'];
 | 
						|
                            }
 | 
						|
 | 
						|
                            foreach ($draggableSelectOptions as $value => $text) {
 | 
						|
                                if ($value == $selectedValue) {
 | 
						|
                                    break;
 | 
						|
                                }
 | 
						|
                                $selectedIndex++;
 | 
						|
                            }
 | 
						|
 | 
						|
                            $s .= Display::select(
 | 
						|
                                "choice[$questionId][$numAnswer]",
 | 
						|
                                $draggableSelectOptions,
 | 
						|
                                $selectedValue,
 | 
						|
                                [
 | 
						|
                                    'id' => "window_{$windowId}_select",
 | 
						|
                                    'class' => 'select_option hidden',
 | 
						|
                                ],
 | 
						|
                                false
 | 
						|
                            );
 | 
						|
 | 
						|
                            if ($selectedValue && $selectedIndex) {
 | 
						|
                                $s .= "
 | 
						|
                                    <script>
 | 
						|
                                        $(function() {
 | 
						|
                                            DraggableAnswer.deleteItem(
 | 
						|
                                                $('#{$questionId}_$lines_count'),
 | 
						|
                                                $('#drop_{$questionId}_{$selectedIndex}')
 | 
						|
                                            );
 | 
						|
                                        });
 | 
						|
                                    </script>
 | 
						|
                                ";
 | 
						|
                            }
 | 
						|
 | 
						|
                            if (isset($select_items[$lines_count])) {
 | 
						|
                                $s .= Display::div(
 | 
						|
                                    Display::tag(
 | 
						|
                                        'b',
 | 
						|
                                        $select_items[$lines_count]['letter']
 | 
						|
                                    ).$select_items[$lines_count]['answer'],
 | 
						|
                                    [
 | 
						|
                                        'id' => "window_{$windowId}_answer",
 | 
						|
                                        'class' => 'hidden',
 | 
						|
                                    ]
 | 
						|
                                );
 | 
						|
                            } else {
 | 
						|
                                $s .= ' ';
 | 
						|
                            }
 | 
						|
 | 
						|
                            $lines_count++;
 | 
						|
                            if (($lines_count - 1) == $num_suggestions) {
 | 
						|
                                while (isset($select_items[$lines_count])) {
 | 
						|
                                    $s .= Display::tag('b', $select_items[$lines_count]['letter']);
 | 
						|
                                    $s .= $select_items[$lines_count]['answer'];
 | 
						|
                                    $lines_count++;
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
 | 
						|
                            $matching_correct_answer++;
 | 
						|
                            $s .= '</li>';
 | 
						|
                        }
 | 
						|
                        break;
 | 
						|
                    case MATCHING_DRAGGABLE:
 | 
						|
                        if ($answerId == 1) {
 | 
						|
                            echo $objAnswerTmp->getJs();
 | 
						|
                        }
 | 
						|
                        if ($answerCorrect != 0) {
 | 
						|
                            $windowId = "{$questionId}_{$lines_count}";
 | 
						|
                            $s .= <<<HTML
 | 
						|
                            <tr>
 | 
						|
                                <td width="45%">
 | 
						|
                                    <div id="window_{$windowId}"
 | 
						|
                                        class="window window_left_question window{$questionId}_question">
 | 
						|
                                        <strong>$lines_count.</strong>
 | 
						|
                                        $answer
 | 
						|
                                    </div>
 | 
						|
                                </td>
 | 
						|
                                <td width="10%">
 | 
						|
HTML;
 | 
						|
 | 
						|
                            $draggableSelectOptions = [];
 | 
						|
                            $selectedValue = 0;
 | 
						|
                            $selectedIndex = 0;
 | 
						|
 | 
						|
                            if ($user_choice) {
 | 
						|
                                foreach ($user_choice as $chosen) {
 | 
						|
                                    if ($numAnswer == $chosen['position']) {
 | 
						|
                                        $selectedValue = $chosen['answer'];
 | 
						|
                                        break;
 | 
						|
                                    }
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
 | 
						|
                            foreach ($select_items as $key => $selectItem) {
 | 
						|
                                $draggableSelectOptions[$selectItem['id']] = $selectItem['letter'];
 | 
						|
                            }
 | 
						|
 | 
						|
                            foreach ($draggableSelectOptions as $value => $text) {
 | 
						|
                                if ($value == $selectedValue) {
 | 
						|
                                    break;
 | 
						|
                                }
 | 
						|
                                $selectedIndex++;
 | 
						|
                            }
 | 
						|
 | 
						|
                            $s .= Display::select(
 | 
						|
                                "choice[$questionId][$numAnswer]",
 | 
						|
                                $draggableSelectOptions,
 | 
						|
                                $selectedValue,
 | 
						|
                                [
 | 
						|
                                    'id' => "window_{$windowId}_select",
 | 
						|
                                    'class' => 'hidden',
 | 
						|
                                ],
 | 
						|
                                false
 | 
						|
                            );
 | 
						|
 | 
						|
                            if (!empty($answerCorrect) && !empty($selectedValue)) {
 | 
						|
                                // Show connect if is not freeze (question preview)
 | 
						|
                                if (!$freeze) {
 | 
						|
                                    $s .= "
 | 
						|
                                        <script>
 | 
						|
                                            $(function() {
 | 
						|
                                                $(window).on('load', function() {
 | 
						|
                                                    jsPlumb.connect({
 | 
						|
                                                        source: 'window_$windowId',
 | 
						|
                                                        target: 'window_{$questionId}_{$selectedIndex}_answer',
 | 
						|
                                                        endpoint: ['Blank', {radius: 15}],
 | 
						|
                                                        anchors: ['RightMiddle', 'LeftMiddle'],
 | 
						|
                                                        paintStyle: {strokeStyle: '#8A8888', lineWidth: 8},
 | 
						|
                                                        connector: [
 | 
						|
                                                            MatchingDraggable.connectorType,
 | 
						|
                                                            {curvines: MatchingDraggable.curviness}
 | 
						|
                                                        ]
 | 
						|
                                                    });
 | 
						|
                                                });
 | 
						|
                                            });
 | 
						|
                                        </script>
 | 
						|
                                    ";
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
 | 
						|
                            $s .= '</td><td width="45%">';
 | 
						|
                            if (isset($select_items[$lines_count])) {
 | 
						|
                                $s .= <<<HTML
 | 
						|
                                <div id="window_{$windowId}_answer" class="window window_right_question">
 | 
						|
                                    <strong>{$select_items[$lines_count]['letter']}.</strong>
 | 
						|
                                    {$select_items[$lines_count]['answer']}
 | 
						|
                                </div>
 | 
						|
HTML;
 | 
						|
                            } else {
 | 
						|
                                $s .= ' ';
 | 
						|
                            }
 | 
						|
 | 
						|
                            $s .= '</td></tr>';
 | 
						|
                            $lines_count++;
 | 
						|
                            if (($lines_count - 1) == $num_suggestions) {
 | 
						|
                                while (isset($select_items[$lines_count])) {
 | 
						|
                                    $s .= <<<HTML
 | 
						|
                                    <tr>
 | 
						|
                                        <td colspan="2"></td>
 | 
						|
                                        <td>
 | 
						|
                                            <strong>{$select_items[$lines_count]['letter']}</strong>
 | 
						|
                                            {$select_items[$lines_count]['answer']}
 | 
						|
                                        </td>
 | 
						|
                                    </tr>
 | 
						|
HTML;
 | 
						|
                                    $lines_count++;
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
                            $matching_correct_answer++;
 | 
						|
                        }
 | 
						|
                        break;
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            if ($show_comment) {
 | 
						|
                $s .= '</table>';
 | 
						|
            } elseif (in_array(
 | 
						|
                $answerType,
 | 
						|
                [
 | 
						|
                    MATCHING,
 | 
						|
                    MATCHING_DRAGGABLE,
 | 
						|
                    UNIQUE_ANSWER_NO_OPTION,
 | 
						|
                    MULTIPLE_ANSWER_TRUE_FALSE,
 | 
						|
                    MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE,
 | 
						|
                    MULTIPLE_ANSWER_TRUE_FALSE_DEGREE_CERTAINTY,
 | 
						|
                ]
 | 
						|
            )) {
 | 
						|
                $s .= '</table>';
 | 
						|
            }
 | 
						|
 | 
						|
            if ($answerType == DRAGGABLE) {
 | 
						|
                $isVertical = $objQuestionTmp->extra == 'v';
 | 
						|
                $s .= "
 | 
						|
                           </ul>
 | 
						|
                        </div><!-- .col-md-12 -->
 | 
						|
                    </div><!-- .row -->
 | 
						|
                ";
 | 
						|
                $counterAnswer = 1;
 | 
						|
                $s .= $isVertical ? '' : '<div class="row">';
 | 
						|
                for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
 | 
						|
                    $answerCorrect = $objAnswerTmp->isCorrect($answerId);
 | 
						|
                    $windowId = $questionId.'_'.$counterAnswer;
 | 
						|
                    if ($answerCorrect) {
 | 
						|
                        $s .= $isVertical ? '<div class="row">' : '';
 | 
						|
                        $s .= '
 | 
						|
                            <div class="'.($isVertical ? 'col-md-12' : 'col-xs-12 col-sm-4 col-md-3 col-lg-2').'">
 | 
						|
                                <div class="droppable-item">
 | 
						|
                                    <span class="number">'.$counterAnswer.'.</span>
 | 
						|
                                    <div id="drop_'.$windowId.'" class="droppable">
 | 
						|
                                    </div>
 | 
						|
                                 </div>
 | 
						|
                            </div>
 | 
						|
                        ';
 | 
						|
                        $s .= $isVertical ? '</div>' : '';
 | 
						|
                        $counterAnswer++;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
 | 
						|
                $s .= $isVertical ? '' : '</div>'; // row
 | 
						|
//                $s .= '</div>';
 | 
						|
            }
 | 
						|
 | 
						|
            if (in_array($answerType, [MATCHING, MATCHING_DRAGGABLE])) {
 | 
						|
                $s .= '</div>'; //drag_question
 | 
						|
            }
 | 
						|
 | 
						|
            $s .= '</div>'; //question_options row
 | 
						|
 | 
						|
            // destruction of the Answer object
 | 
						|
            unset($objAnswerTmp);
 | 
						|
            // destruction of the Question object
 | 
						|
            unset($objQuestionTmp);
 | 
						|
            if ('export' == $origin) {
 | 
						|
                return $s;
 | 
						|
            }
 | 
						|
            echo $s;
 | 
						|
        } elseif ($answerType == HOT_SPOT || $answerType == HOT_SPOT_DELINEATION) {
 | 
						|
            global $exe_id;
 | 
						|
            // Question is a HOT_SPOT
 | 
						|
            // Checking document/images visibility
 | 
						|
            if (api_is_platform_admin() || api_is_course_admin()) {
 | 
						|
                $doc_id = $objQuestionTmp->getPictureId();
 | 
						|
                if (is_numeric($doc_id)) {
 | 
						|
                    $images_folder_visibility = api_get_item_visibility(
 | 
						|
                        $course,
 | 
						|
                        'document',
 | 
						|
                        $doc_id,
 | 
						|
                        api_get_session_id()
 | 
						|
                    );
 | 
						|
                    if (!$images_folder_visibility) {
 | 
						|
                        // Show only to the course/platform admin if the image is set to visibility = false
 | 
						|
                        echo Display::return_message(
 | 
						|
                            get_lang('ChangeTheVisibilityOfTheCurrentImage'),
 | 
						|
                            'warning'
 | 
						|
                        );
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
            $questionDescription = $objQuestionTmp->selectDescription();
 | 
						|
 | 
						|
            // Get the answers, make a list
 | 
						|
            $objAnswerTmp = new Answer($questionId, $course_id);
 | 
						|
            $nbrAnswers = $objAnswerTmp->selectNbrAnswers();
 | 
						|
 | 
						|
            // get answers of hotpost
 | 
						|
            $answers_hotspot = [];
 | 
						|
            for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
 | 
						|
                $answers = $objAnswerTmp->selectAnswerByAutoId(
 | 
						|
                    $objAnswerTmp->selectAutoId($answerId)
 | 
						|
                );
 | 
						|
                $answers_hotspot[$answers['id']] = $objAnswerTmp->selectAnswer(
 | 
						|
                    $answerId
 | 
						|
                );
 | 
						|
            }
 | 
						|
 | 
						|
            $answerList = '';
 | 
						|
            $hotspotColor = 0;
 | 
						|
            if ($answerType != HOT_SPOT_DELINEATION) {
 | 
						|
                $answerList = '
 | 
						|
                    <div class="well well-sm">
 | 
						|
                        <h5 class="page-header">'.get_lang('HotspotZones').'</h5>
 | 
						|
                        <ol>
 | 
						|
                ';
 | 
						|
 | 
						|
                if (!empty($answers_hotspot)) {
 | 
						|
                    Session::write("hotspot_ordered$questionId", array_keys($answers_hotspot));
 | 
						|
                    foreach ($answers_hotspot as $value) {
 | 
						|
                        $answerList .= '<li>';
 | 
						|
                        if ($freeze) {
 | 
						|
                            $answerList .= '<span class="hotspot-color-'.$hotspotColor
 | 
						|
                                .' fa fa-square" aria-hidden="true"></span>'.PHP_EOL;
 | 
						|
                        }
 | 
						|
                        $answerList .= $value;
 | 
						|
                        $answerList .= '</li>';
 | 
						|
                        $hotspotColor++;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
 | 
						|
                $answerList .= '
 | 
						|
                        </ol>
 | 
						|
                    </div>
 | 
						|
                ';
 | 
						|
            }
 | 
						|
 | 
						|
            if ($freeze) {
 | 
						|
                $relPath = api_get_path(WEB_CODE_PATH);
 | 
						|
                echo "
 | 
						|
                    <div class=\"row\">
 | 
						|
                        <div class=\"col-sm-9\">
 | 
						|
                            <div id=\"hotspot-preview-$questionId\"></div>
 | 
						|
                        </div>
 | 
						|
                        <div class=\"col-sm-3\">
 | 
						|
                            $answerList
 | 
						|
                        </div>
 | 
						|
                    </div>
 | 
						|
                    <script>
 | 
						|
                        new ".($answerType == HOT_SPOT ? "HotspotQuestion" : "DelineationQuestion")."({
 | 
						|
                            questionId: $questionId,
 | 
						|
                            exerciseId: {$exercise->id},
 | 
						|
                            exeId: 0,
 | 
						|
                            selector: '#hotspot-preview-$questionId',
 | 
						|
                            'for': 'preview',
 | 
						|
                            relPath: '$relPath'
 | 
						|
                        });
 | 
						|
                    </script>
 | 
						|
                ";
 | 
						|
 | 
						|
                return;
 | 
						|
            }
 | 
						|
 | 
						|
            if (!$only_questions) {
 | 
						|
                if ($show_title) {
 | 
						|
                    if ($exercise->display_category_name) {
 | 
						|
                        TestCategory::displayCategoryAndTitle($objQuestionTmp->id);
 | 
						|
                    }
 | 
						|
                    echo $objQuestionTmp->getTitleToDisplay($current_item);
 | 
						|
                }
 | 
						|
 | 
						|
                if ($questionRequireAuth) {
 | 
						|
                    WhispeakAuthPlugin::quizQuestionAuthentify($questionId, $exercise);
 | 
						|
 | 
						|
                    return false;
 | 
						|
                }
 | 
						|
 | 
						|
                //@todo I need to the get the feedback type
 | 
						|
                echo <<<HOTSPOT
 | 
						|
                    <input type="hidden" name="hidden_hotspot_id" value="$questionId" />
 | 
						|
                    <div class="exercise_questions">
 | 
						|
                        $questionDescription
 | 
						|
                        <div class="row">
 | 
						|
HOTSPOT;
 | 
						|
            }
 | 
						|
 | 
						|
            $relPath = api_get_path(WEB_CODE_PATH);
 | 
						|
            $s .= "<div class=\"col-sm-8 col-md-9\">
 | 
						|
                   <div class=\"hotspot-image\"></div>
 | 
						|
                    <script>
 | 
						|
                        $(function() {
 | 
						|
                            new ".($answerType == HOT_SPOT_DELINEATION ? 'DelineationQuestion' : 'HotspotQuestion')."({
 | 
						|
                                questionId: $questionId,
 | 
						|
                                exerciseId: {$exercise->id},
 | 
						|
                                exeId: 0,
 | 
						|
                                selector: '#question_div_' + $questionId + ' .hotspot-image',
 | 
						|
                                'for': 'user',
 | 
						|
                                relPath: '$relPath'
 | 
						|
                            });
 | 
						|
                        });
 | 
						|
                    </script>
 | 
						|
                </div>
 | 
						|
                <div class=\"col-sm-4 col-md-3\">
 | 
						|
                    $answerList
 | 
						|
                </div>
 | 
						|
            ";
 | 
						|
 | 
						|
            echo <<<HOTSPOT
 | 
						|
                            $s
 | 
						|
                        </div>
 | 
						|
                    </div>
 | 
						|
HOTSPOT;
 | 
						|
        } elseif ($answerType == ANNOTATION) {
 | 
						|
            global $exe_id;
 | 
						|
            $relPath = api_get_path(WEB_CODE_PATH);
 | 
						|
            if (api_is_platform_admin() || api_is_course_admin()) {
 | 
						|
                $docId = DocumentManager::get_document_id($course, '/images/'.$pictureName);
 | 
						|
                if ($docId) {
 | 
						|
                    $images_folder_visibility = api_get_item_visibility(
 | 
						|
                        $course,
 | 
						|
                        'document',
 | 
						|
                        $docId,
 | 
						|
                        api_get_session_id()
 | 
						|
                    );
 | 
						|
 | 
						|
                    if (!$images_folder_visibility) {
 | 
						|
                        echo Display::return_message(get_lang('ChangeTheVisibilityOfTheCurrentImage'), 'warning');
 | 
						|
                    }
 | 
						|
                }
 | 
						|
 | 
						|
                if ($freeze) {
 | 
						|
                    echo Display::img(
 | 
						|
                        api_get_path(WEB_COURSE_PATH).$course['path'].'/document/images/'.$pictureName,
 | 
						|
                        $objQuestionTmp->selectTitle(),
 | 
						|
                        ['width' => '600px']
 | 
						|
                    );
 | 
						|
 | 
						|
                    return 0;
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            if (!$only_questions) {
 | 
						|
                if ($show_title) {
 | 
						|
                    if ($exercise->display_category_name) {
 | 
						|
                        TestCategory::displayCategoryAndTitle($objQuestionTmp->id);
 | 
						|
                    }
 | 
						|
                    echo $objQuestionTmp->getTitleToDisplay($current_item);
 | 
						|
                }
 | 
						|
 | 
						|
                if ($questionRequireAuth) {
 | 
						|
                    WhispeakAuthPlugin::quizQuestionAuthentify($questionId, $exercise);
 | 
						|
 | 
						|
                    return false;
 | 
						|
                }
 | 
						|
 | 
						|
                echo '
 | 
						|
                    <input type="hidden" name="hidden_hotspot_id" value="'.$questionId.'" />
 | 
						|
                    <div class="exercise_questions">
 | 
						|
                        '.$objQuestionTmp->selectDescription().'
 | 
						|
                        <div class="row">
 | 
						|
                            <div class="col-sm-8 col-md-9">
 | 
						|
                                <div id="annotation-canvas-'.$questionId.'" class="annotation-canvas center-block">
 | 
						|
                                </div>
 | 
						|
                                <script>
 | 
						|
                                    AnnotationQuestion({
 | 
						|
                                        questionId: '.$questionId.',
 | 
						|
                                        exerciseId: '.$exerciseId.',
 | 
						|
                                        relPath: \''.$relPath.'\',
 | 
						|
                                        courseId: '.$course_id.',
 | 
						|
                                    });
 | 
						|
                                </script>
 | 
						|
                            </div>
 | 
						|
                            <div class="col-sm-4 col-md-3">
 | 
						|
                                <div class="well well-sm" id="annotation-toolbar-'.$questionId.'">
 | 
						|
                                    <div class="btn-toolbar">
 | 
						|
                                        <div class="btn-group" data-toggle="buttons">
 | 
						|
                                            <label class="btn btn-default active"
 | 
						|
                                                aria-label="'.get_lang('AddAnnotationPath').'">
 | 
						|
                                                <input
 | 
						|
                                                    type="radio" value="0"
 | 
						|
                                                    name="'.$questionId.'-options" autocomplete="off" checked>
 | 
						|
                                                <span class="fa fa-pencil" aria-hidden="true"></span>
 | 
						|
                                            </label>
 | 
						|
                                            <label class="btn btn-default"
 | 
						|
                                                aria-label="'.get_lang('AddAnnotationText').'">
 | 
						|
                                                <input
 | 
						|
                                                    type="radio" value="1"
 | 
						|
                                                    name="'.$questionId.'-options" autocomplete="off">
 | 
						|
                                                <span class="fa fa-font fa-fw" aria-hidden="true"></span>
 | 
						|
                                            </label>
 | 
						|
                                        </div>
 | 
						|
                                    </div>
 | 
						|
                                    <ul class="list-unstyled"></ul>
 | 
						|
                                </div>
 | 
						|
                            </div>
 | 
						|
                        </div>
 | 
						|
                    </div>
 | 
						|
                ';
 | 
						|
            }
 | 
						|
            $objAnswerTmp = new Answer($questionId);
 | 
						|
            $nbrAnswers = $objAnswerTmp->selectNbrAnswers();
 | 
						|
            unset($objAnswerTmp, $objQuestionTmp);
 | 
						|
        }
 | 
						|
 | 
						|
        return $nbrAnswers;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param int $exeId
 | 
						|
     *
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public static function get_exercise_track_exercise_info($exeId)
 | 
						|
    {
 | 
						|
        $quizTable = Database::get_course_table(TABLE_QUIZ_TEST);
 | 
						|
        $trackExerciseTable = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
 | 
						|
        $courseTable = Database::get_main_table(TABLE_MAIN_COURSE);
 | 
						|
        $exeId = (int) $exeId;
 | 
						|
        $result = [];
 | 
						|
        if (!empty($exeId)) {
 | 
						|
            $sql = " SELECT q.*, tee.*
 | 
						|
                FROM $quizTable as q
 | 
						|
                INNER JOIN $trackExerciseTable as tee
 | 
						|
                ON q.id = tee.exe_exo_id
 | 
						|
                INNER JOIN $courseTable c
 | 
						|
                ON c.id = tee.c_id
 | 
						|
                WHERE tee.exe_id = $exeId
 | 
						|
                AND q.c_id = c.id";
 | 
						|
 | 
						|
            $sqlResult = Database::query($sql);
 | 
						|
            if (Database::num_rows($sqlResult)) {
 | 
						|
                $result = Database::fetch_array($sqlResult, 'ASSOC');
 | 
						|
                $result['duration_formatted'] = '';
 | 
						|
                if (!empty($result['exe_duration'])) {
 | 
						|
                    $time = api_format_time($result['exe_duration'], 'js');
 | 
						|
                    $result['duration_formatted'] = $time;
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        return $result;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Validates the time control key.
 | 
						|
     *
 | 
						|
     * @param int $exercise_id
 | 
						|
     * @param int $lp_id
 | 
						|
     * @param int $lp_item_id
 | 
						|
     *
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public static function exercise_time_control_is_valid(
 | 
						|
        $exercise_id,
 | 
						|
        $lp_id = 0,
 | 
						|
        $lp_item_id = 0
 | 
						|
    ) {
 | 
						|
        $course_id = api_get_course_int_id();
 | 
						|
        $exercise_id = (int) $exercise_id;
 | 
						|
        $table = Database::get_course_table(TABLE_QUIZ_TEST);
 | 
						|
        $sql = "SELECT expired_time FROM $table
 | 
						|
                WHERE c_id = $course_id AND id = $exercise_id";
 | 
						|
        $result = Database::query($sql);
 | 
						|
        $row = Database::fetch_array($result, 'ASSOC');
 | 
						|
        if (!empty($row['expired_time'])) {
 | 
						|
            $current_expired_time_key = self::get_time_control_key(
 | 
						|
                $exercise_id,
 | 
						|
                $lp_id,
 | 
						|
                $lp_item_id
 | 
						|
            );
 | 
						|
            if (isset($_SESSION['expired_time'][$current_expired_time_key])) {
 | 
						|
                $current_time = time();
 | 
						|
                $expired_time = api_strtotime(
 | 
						|
                    $_SESSION['expired_time'][$current_expired_time_key],
 | 
						|
                    'UTC'
 | 
						|
                );
 | 
						|
                $total_time_allowed = $expired_time + 30;
 | 
						|
                if ($total_time_allowed < $current_time) {
 | 
						|
                    return false;
 | 
						|
                }
 | 
						|
 | 
						|
                return true;
 | 
						|
            }
 | 
						|
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
 | 
						|
        return true;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Deletes the time control token.
 | 
						|
     *
 | 
						|
     * @param int $exercise_id
 | 
						|
     * @param int $lp_id
 | 
						|
     * @param int $lp_item_id
 | 
						|
     */
 | 
						|
    public static function exercise_time_control_delete(
 | 
						|
        $exercise_id,
 | 
						|
        $lp_id = 0,
 | 
						|
        $lp_item_id = 0
 | 
						|
    ) {
 | 
						|
        $current_expired_time_key = self::get_time_control_key(
 | 
						|
            $exercise_id,
 | 
						|
            $lp_id,
 | 
						|
            $lp_item_id
 | 
						|
        );
 | 
						|
        unset($_SESSION['expired_time'][$current_expired_time_key]);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Generates the time control key.
 | 
						|
     *
 | 
						|
     * @param int $exercise_id
 | 
						|
     * @param int $lp_id
 | 
						|
     * @param int $lp_item_id
 | 
						|
     *
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public static function get_time_control_key(
 | 
						|
        $exercise_id,
 | 
						|
        $lp_id = 0,
 | 
						|
        $lp_item_id = 0
 | 
						|
    ) {
 | 
						|
        $exercise_id = (int) $exercise_id;
 | 
						|
        $lp_id = (int) $lp_id;
 | 
						|
        $lp_item_id = (int) $lp_item_id;
 | 
						|
 | 
						|
        return
 | 
						|
            api_get_course_int_id().'_'.
 | 
						|
            api_get_session_id().'_'.
 | 
						|
            $exercise_id.'_'.
 | 
						|
            api_get_user_id().'_'.
 | 
						|
            $lp_id.'_'.
 | 
						|
            $lp_item_id;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get session time control.
 | 
						|
     *
 | 
						|
     * @param int $exercise_id
 | 
						|
     * @param int $lp_id
 | 
						|
     * @param int $lp_item_id
 | 
						|
     *
 | 
						|
     * @return int
 | 
						|
     */
 | 
						|
    public static function get_session_time_control_key(
 | 
						|
        $exercise_id,
 | 
						|
        $lp_id = 0,
 | 
						|
        $lp_item_id = 0
 | 
						|
    ) {
 | 
						|
        $return_value = 0;
 | 
						|
        $time_control_key = self::get_time_control_key(
 | 
						|
            $exercise_id,
 | 
						|
            $lp_id,
 | 
						|
            $lp_item_id
 | 
						|
        );
 | 
						|
        if (isset($_SESSION['expired_time']) && isset($_SESSION['expired_time'][$time_control_key])) {
 | 
						|
            $return_value = $_SESSION['expired_time'][$time_control_key];
 | 
						|
        }
 | 
						|
 | 
						|
        return $return_value;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Gets count of exam results.
 | 
						|
     *
 | 
						|
     * @param int    $exerciseId
 | 
						|
     * @param array  $conditions
 | 
						|
     * @param string $courseCode
 | 
						|
     * @param bool   $showSession
 | 
						|
     *
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public static function get_count_exam_results($exerciseId, $conditions, $courseCode = '', $showSession = false)
 | 
						|
    {
 | 
						|
        $count = self::get_exam_results_data(
 | 
						|
            null,
 | 
						|
            null,
 | 
						|
            null,
 | 
						|
            null,
 | 
						|
            $exerciseId,
 | 
						|
            $conditions,
 | 
						|
            true,
 | 
						|
            $courseCode,
 | 
						|
            $showSession
 | 
						|
        );
 | 
						|
 | 
						|
        return $count;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param string $path
 | 
						|
     *
 | 
						|
     * @return int
 | 
						|
     */
 | 
						|
    public static function get_count_exam_hotpotatoes_results($path)
 | 
						|
    {
 | 
						|
        return self::get_exam_results_hotpotatoes_data(
 | 
						|
            0,
 | 
						|
            0,
 | 
						|
            '',
 | 
						|
            '',
 | 
						|
            $path,
 | 
						|
            true,
 | 
						|
            ''
 | 
						|
        );
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param int    $in_from
 | 
						|
     * @param int    $in_number_of_items
 | 
						|
     * @param int    $in_column
 | 
						|
     * @param int    $in_direction
 | 
						|
     * @param string $in_hotpot_path
 | 
						|
     * @param bool   $in_get_count
 | 
						|
     * @param null   $where_condition
 | 
						|
     *
 | 
						|
     * @return array|int
 | 
						|
     */
 | 
						|
    public static function get_exam_results_hotpotatoes_data(
 | 
						|
        $in_from,
 | 
						|
        $in_number_of_items,
 | 
						|
        $in_column,
 | 
						|
        $in_direction,
 | 
						|
        $in_hotpot_path,
 | 
						|
        $in_get_count = false,
 | 
						|
        $where_condition = null
 | 
						|
    ) {
 | 
						|
        $courseId = api_get_course_int_id();
 | 
						|
        // by default in_column = 1 If parameters given, it is the name of the column witch is the bdd field name
 | 
						|
        if ($in_column == 1) {
 | 
						|
            $in_column = 'firstname';
 | 
						|
        }
 | 
						|
        $in_hotpot_path = Database::escape_string($in_hotpot_path);
 | 
						|
        $in_direction = Database::escape_string($in_direction);
 | 
						|
        $in_column = Database::escape_string($in_column);
 | 
						|
        $in_number_of_items = intval($in_number_of_items);
 | 
						|
        $in_from = (int) $in_from;
 | 
						|
 | 
						|
        $TBL_TRACK_HOTPOTATOES = Database::get_main_table(
 | 
						|
            TABLE_STATISTIC_TRACK_E_HOTPOTATOES
 | 
						|
        );
 | 
						|
        $TBL_USER = Database::get_main_table(TABLE_MAIN_USER);
 | 
						|
 | 
						|
        $sql = "SELECT *, thp.id AS thp_id
 | 
						|
                FROM $TBL_TRACK_HOTPOTATOES thp
 | 
						|
                JOIN $TBL_USER u
 | 
						|
                ON thp.exe_user_id = u.user_id
 | 
						|
                WHERE
 | 
						|
                    thp.c_id = $courseId AND
 | 
						|
                    exe_name LIKE '$in_hotpot_path%'";
 | 
						|
 | 
						|
        // just count how many answers
 | 
						|
        if ($in_get_count) {
 | 
						|
            $res = Database::query($sql);
 | 
						|
 | 
						|
            return Database::num_rows($res);
 | 
						|
        }
 | 
						|
        // get a number of sorted results
 | 
						|
        $sql .= " $where_condition
 | 
						|
            ORDER BY $in_column $in_direction
 | 
						|
            LIMIT $in_from, $in_number_of_items";
 | 
						|
 | 
						|
        $res = Database::query($sql);
 | 
						|
        $result = [];
 | 
						|
        $apiIsAllowedToEdit = api_is_allowed_to_edit();
 | 
						|
        $urlBase = api_get_path(WEB_CODE_PATH).
 | 
						|
            'exercise/hotpotatoes_exercise_report.php?action=delete&'.
 | 
						|
            api_get_cidreq().'&id=';
 | 
						|
        while ($data = Database::fetch_array($res)) {
 | 
						|
            $actions = null;
 | 
						|
 | 
						|
            if ($apiIsAllowedToEdit) {
 | 
						|
                $url = $urlBase.$data['thp_id'].'&path='.$data['exe_name'];
 | 
						|
                $actions = Display::url(
 | 
						|
                    Display::return_icon('delete.png', get_lang('Delete')),
 | 
						|
                    $url
 | 
						|
                );
 | 
						|
            }
 | 
						|
 | 
						|
            $result[] = [
 | 
						|
                'firstname' => $data['firstname'],
 | 
						|
                'lastname' => $data['lastname'],
 | 
						|
                'username' => $data['username'],
 | 
						|
                'group_name' => implode(
 | 
						|
                    '<br/>',
 | 
						|
                    GroupManager::get_user_group_name($data['user_id'])
 | 
						|
                ),
 | 
						|
                'exe_date' => $data['exe_date'],
 | 
						|
                'score' => $data['exe_result'].' / '.$data['exe_weighting'],
 | 
						|
                'actions' => $actions,
 | 
						|
            ];
 | 
						|
        }
 | 
						|
 | 
						|
        return $result;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param string $exercisePath
 | 
						|
     * @param int    $userId
 | 
						|
     * @param int    $courseId
 | 
						|
     * @param int    $sessionId
 | 
						|
     *
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public static function getLatestHotPotatoResult(
 | 
						|
        $exercisePath,
 | 
						|
        $userId,
 | 
						|
        $courseId,
 | 
						|
        $sessionId
 | 
						|
    ) {
 | 
						|
        $table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_HOTPOTATOES);
 | 
						|
        $exercisePath = Database::escape_string($exercisePath);
 | 
						|
        $userId = (int) $userId;
 | 
						|
        $courseId = (int) $courseId;
 | 
						|
 | 
						|
        $sql = "SELECT * FROM $table
 | 
						|
                WHERE
 | 
						|
                    c_id = $courseId AND
 | 
						|
                    exe_name LIKE '$exercisePath%' AND
 | 
						|
                    exe_user_id = $userId
 | 
						|
                ORDER BY id
 | 
						|
                LIMIT 1";
 | 
						|
        $result = Database::query($sql);
 | 
						|
        $attempt = [];
 | 
						|
        if (Database::num_rows($result)) {
 | 
						|
            $attempt = Database::fetch_array($result, 'ASSOC');
 | 
						|
        }
 | 
						|
 | 
						|
        return $attempt;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Gets the exam'data results.
 | 
						|
     *
 | 
						|
     * @todo this function should be moved in a library  + no global calls
 | 
						|
     *
 | 
						|
     * @param int    $from
 | 
						|
     * @param int    $number_of_items
 | 
						|
     * @param int    $column
 | 
						|
     * @param string $direction
 | 
						|
     * @param int    $exercise_id
 | 
						|
     * @param null   $extra_where_conditions
 | 
						|
     * @param bool   $get_count
 | 
						|
     * @param string $courseCode
 | 
						|
     * @param bool   $showSessionField
 | 
						|
     * @param bool   $showExerciseCategories
 | 
						|
     * @param array  $userExtraFieldsToAdd
 | 
						|
     * @param bool   $useCommaAsDecimalPoint
 | 
						|
     * @param bool   $roundValues
 | 
						|
     * @param bool   $getOnyIds
 | 
						|
     *
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public static function get_exam_results_data(
 | 
						|
        $from,
 | 
						|
        $number_of_items,
 | 
						|
        $column,
 | 
						|
        $direction,
 | 
						|
        $exercise_id,
 | 
						|
        $extra_where_conditions = null,
 | 
						|
        $get_count = false,
 | 
						|
        $courseCode = null,
 | 
						|
        $showSessionField = false,
 | 
						|
        $showExerciseCategories = false,
 | 
						|
        $userExtraFieldsToAdd = [],
 | 
						|
        $useCommaAsDecimalPoint = false,
 | 
						|
        $roundValues = false,
 | 
						|
        $getOnyIds = false
 | 
						|
    ) {
 | 
						|
        //@todo replace all this globals
 | 
						|
        global $filter;
 | 
						|
        $courseCode = empty($courseCode) ? api_get_course_id() : $courseCode;
 | 
						|
        $courseInfo = api_get_course_info($courseCode);
 | 
						|
 | 
						|
        if (empty($courseInfo)) {
 | 
						|
            return [];
 | 
						|
        }
 | 
						|
 | 
						|
        $documentPath = api_get_path(SYS_COURSE_PATH).$courseInfo['path'].'/document';
 | 
						|
 | 
						|
        $course_id = $courseInfo['real_id'];
 | 
						|
        $sessionId = api_get_session_id();
 | 
						|
        $exercise_id = (int) $exercise_id;
 | 
						|
 | 
						|
        $is_allowedToEdit =
 | 
						|
            api_is_allowed_to_edit(null, true) ||
 | 
						|
            api_is_allowed_to_edit(true) ||
 | 
						|
            api_is_drh() ||
 | 
						|
            api_is_student_boss() ||
 | 
						|
            api_is_session_admin();
 | 
						|
        $TBL_USER = Database::get_main_table(TABLE_MAIN_USER);
 | 
						|
        $TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
 | 
						|
        $TBL_GROUP_REL_USER = Database::get_course_table(TABLE_GROUP_USER);
 | 
						|
        $TBL_GROUP = Database::get_course_table(TABLE_GROUP);
 | 
						|
        $TBL_TRACK_EXERCICES = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
 | 
						|
        $TBL_TRACK_HOTPOTATOES = Database::get_main_table(TABLE_STATISTIC_TRACK_E_HOTPOTATOES);
 | 
						|
        $TBL_TRACK_ATTEMPT_RECORDING = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT_RECORDING);
 | 
						|
 | 
						|
        $session_id_and = '';
 | 
						|
        $sessionCondition = '';
 | 
						|
        if (!$showSessionField) {
 | 
						|
            $session_id_and = " AND te.session_id = $sessionId ";
 | 
						|
            $sessionCondition = " AND ttte.session_id = $sessionId";
 | 
						|
        }
 | 
						|
 | 
						|
        $exercise_where = '';
 | 
						|
        if (!empty($exercise_id)) {
 | 
						|
            $exercise_where .= ' AND te.exe_exo_id = '.$exercise_id.'  ';
 | 
						|
        }
 | 
						|
 | 
						|
        $hotpotatoe_where = '';
 | 
						|
        if (!empty($_GET['path'])) {
 | 
						|
            $hotpotatoe_path = Database::escape_string($_GET['path']);
 | 
						|
            $hotpotatoe_where .= ' AND exe_name = "'.$hotpotatoe_path.'"  ';
 | 
						|
        }
 | 
						|
 | 
						|
        // sql for chamilo-type tests for teacher / tutor view
 | 
						|
        $sql_inner_join_tbl_track_exercices = "
 | 
						|
        (
 | 
						|
            SELECT DISTINCT ttte.*, if(tr.exe_id,1, 0) as revised
 | 
						|
            FROM $TBL_TRACK_EXERCICES ttte
 | 
						|
            LEFT JOIN $TBL_TRACK_ATTEMPT_RECORDING tr
 | 
						|
            ON (ttte.exe_id = tr.exe_id)
 | 
						|
            WHERE
 | 
						|
                c_id = $course_id AND
 | 
						|
                exe_exo_id = $exercise_id
 | 
						|
                $sessionCondition
 | 
						|
        )";
 | 
						|
 | 
						|
        if ($is_allowedToEdit) {
 | 
						|
            //@todo fix to work with COURSE_RELATION_TYPE_RRHH in both queries
 | 
						|
            // Hack in order to filter groups
 | 
						|
            $sql_inner_join_tbl_user = '';
 | 
						|
            if (strpos($extra_where_conditions, 'group_id')) {
 | 
						|
                $sql_inner_join_tbl_user = "
 | 
						|
                (
 | 
						|
                    SELECT
 | 
						|
                        u.user_id,
 | 
						|
                        firstname,
 | 
						|
                        lastname,
 | 
						|
                        official_code,
 | 
						|
                        email,
 | 
						|
                        username,
 | 
						|
                        g.name as group_name,
 | 
						|
                        g.id as group_id
 | 
						|
                    FROM $TBL_USER u
 | 
						|
                    INNER JOIN $TBL_GROUP_REL_USER gru
 | 
						|
                    ON (gru.user_id = u.user_id AND gru.c_id= $course_id )
 | 
						|
                    INNER JOIN $TBL_GROUP g
 | 
						|
                    ON (gru.group_id = g.id AND g.c_id= $course_id )
 | 
						|
                )";
 | 
						|
            }
 | 
						|
 | 
						|
            if (strpos($extra_where_conditions, 'group_all')) {
 | 
						|
                $extra_where_conditions = str_replace(
 | 
						|
                    "AND (  group_id = 'group_all'  )",
 | 
						|
                    '',
 | 
						|
                    $extra_where_conditions
 | 
						|
                );
 | 
						|
                $extra_where_conditions = str_replace(
 | 
						|
                    "AND group_id = 'group_all'",
 | 
						|
                    '',
 | 
						|
                    $extra_where_conditions
 | 
						|
                );
 | 
						|
                $extra_where_conditions = str_replace(
 | 
						|
                    "group_id = 'group_all' AND",
 | 
						|
                    '',
 | 
						|
                    $extra_where_conditions
 | 
						|
                );
 | 
						|
 | 
						|
                $sql_inner_join_tbl_user = "
 | 
						|
                (
 | 
						|
                    SELECT
 | 
						|
                        u.user_id,
 | 
						|
                        firstname,
 | 
						|
                        lastname,
 | 
						|
                        official_code,
 | 
						|
                        email,
 | 
						|
                        username,
 | 
						|
                        '' as group_name,
 | 
						|
                        '' as group_id
 | 
						|
                    FROM $TBL_USER u
 | 
						|
                )";
 | 
						|
                $sql_inner_join_tbl_user = null;
 | 
						|
            }
 | 
						|
 | 
						|
            if (strpos($extra_where_conditions, 'group_none')) {
 | 
						|
                $extra_where_conditions = str_replace(
 | 
						|
                    "AND (  group_id = 'group_none'  )",
 | 
						|
                    "AND (  group_id is null  )",
 | 
						|
                    $extra_where_conditions
 | 
						|
                );
 | 
						|
                $extra_where_conditions = str_replace(
 | 
						|
                    "AND group_id = 'group_none'",
 | 
						|
                    "AND (  group_id is null  )",
 | 
						|
                    $extra_where_conditions
 | 
						|
                );
 | 
						|
                $sql_inner_join_tbl_user = "
 | 
						|
            (
 | 
						|
                SELECT
 | 
						|
                    u.user_id,
 | 
						|
                    firstname,
 | 
						|
                    lastname,
 | 
						|
                    official_code,
 | 
						|
                    email,
 | 
						|
                    username,
 | 
						|
                    g.name as group_name,
 | 
						|
                    g.id as group_id
 | 
						|
                FROM $TBL_USER u
 | 
						|
                LEFT OUTER JOIN $TBL_GROUP_REL_USER gru
 | 
						|
                ON ( gru.user_id = u.user_id AND gru.c_id= $course_id )
 | 
						|
                LEFT OUTER JOIN $TBL_GROUP g
 | 
						|
                ON (gru.group_id = g.id AND g.c_id = $course_id )
 | 
						|
            )";
 | 
						|
            }
 | 
						|
 | 
						|
            // All
 | 
						|
            $is_empty_sql_inner_join_tbl_user = false;
 | 
						|
            if (empty($sql_inner_join_tbl_user)) {
 | 
						|
                $is_empty_sql_inner_join_tbl_user = true;
 | 
						|
                $sql_inner_join_tbl_user = "
 | 
						|
            (
 | 
						|
                SELECT u.user_id, firstname, lastname, email, username, ' ' as group_name, '' as group_id, official_code
 | 
						|
                FROM $TBL_USER u
 | 
						|
                WHERE u.status NOT IN(".api_get_users_status_ignored_in_reports('string').")
 | 
						|
            )";
 | 
						|
            }
 | 
						|
 | 
						|
            $sqlFromOption = " , $TBL_GROUP_REL_USER AS gru ";
 | 
						|
            $sqlWhereOption = "  AND gru.c_id = $course_id AND gru.user_id = user.user_id ";
 | 
						|
            $first_and_last_name = api_is_western_name_order() ? "firstname, lastname" : "lastname, firstname";
 | 
						|
 | 
						|
            if ($get_count) {
 | 
						|
                $sql_select = 'SELECT count(te.exe_id) ';
 | 
						|
            } else {
 | 
						|
                $sql_select = "SELECT DISTINCT
 | 
						|
                    user_id,
 | 
						|
                    $first_and_last_name,
 | 
						|
                    official_code,
 | 
						|
                    ce.title,
 | 
						|
                    username,
 | 
						|
                    te.exe_result,
 | 
						|
                    te.exe_weighting,
 | 
						|
                    te.exe_date,
 | 
						|
                    te.exe_id,
 | 
						|
                    te.session_id,
 | 
						|
                    email as exemail,
 | 
						|
                    te.start_date,
 | 
						|
                    ce.expired_time,
 | 
						|
                    steps_counter,
 | 
						|
                    exe_user_id,
 | 
						|
                    te.exe_duration,
 | 
						|
                    te.status as completion_status,
 | 
						|
                    propagate_neg,
 | 
						|
                    revised,
 | 
						|
                    group_name,
 | 
						|
                    group_id,
 | 
						|
                    orig_lp_id,
 | 
						|
                    te.user_ip";
 | 
						|
            }
 | 
						|
 | 
						|
            $sql = " $sql_select
 | 
						|
                FROM $TBL_EXERCICES AS ce
 | 
						|
                INNER JOIN $sql_inner_join_tbl_track_exercices AS te
 | 
						|
                ON (te.exe_exo_id = ce.id)
 | 
						|
                INNER JOIN $sql_inner_join_tbl_user AS user
 | 
						|
                ON (user.user_id = exe_user_id)
 | 
						|
                WHERE
 | 
						|
                    te.c_id = $course_id $session_id_and AND
 | 
						|
                    ce.active <> -1 AND
 | 
						|
                    ce.c_id = $course_id
 | 
						|
                    $exercise_where
 | 
						|
                    $extra_where_conditions
 | 
						|
                ";
 | 
						|
 | 
						|
            // sql for hotpotatoes tests for teacher / tutor view
 | 
						|
            if ($get_count) {
 | 
						|
                $hpsql_select = ' SELECT count(username) ';
 | 
						|
            } else {
 | 
						|
                $hpsql_select = " SELECT
 | 
						|
                    $first_and_last_name ,
 | 
						|
                    username,
 | 
						|
                    official_code,
 | 
						|
                    tth.exe_name,
 | 
						|
                    tth.exe_result ,
 | 
						|
                    tth.exe_weighting,
 | 
						|
                    tth.exe_date";
 | 
						|
            }
 | 
						|
 | 
						|
            $hpsql = " $hpsql_select
 | 
						|
                FROM
 | 
						|
                    $TBL_TRACK_HOTPOTATOES tth,
 | 
						|
                    $TBL_USER user
 | 
						|
                    $sqlFromOption
 | 
						|
                WHERE
 | 
						|
                    user.user_id=tth.exe_user_id
 | 
						|
                    AND tth.c_id = $course_id
 | 
						|
                    $hotpotatoe_where
 | 
						|
                    $sqlWhereOption
 | 
						|
                    AND user.status NOT IN (".api_get_users_status_ignored_in_reports('string').")
 | 
						|
                ORDER BY tth.c_id ASC, tth.exe_date DESC ";
 | 
						|
        }
 | 
						|
 | 
						|
        if (empty($sql)) {
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
 | 
						|
        if ($get_count) {
 | 
						|
            $resx = Database::query($sql);
 | 
						|
            $rowx = Database::fetch_row($resx, 'ASSOC');
 | 
						|
 | 
						|
            return $rowx[0];
 | 
						|
        }
 | 
						|
 | 
						|
        $teacher_list = CourseManager::get_teacher_list_from_course_code($courseCode);
 | 
						|
        $teacher_id_list = [];
 | 
						|
        if (!empty($teacher_list)) {
 | 
						|
            foreach ($teacher_list as $teacher) {
 | 
						|
                $teacher_id_list[] = $teacher['user_id'];
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        $scoreDisplay = new ScoreDisplay();
 | 
						|
        $decimalSeparator = '.';
 | 
						|
        $thousandSeparator = ',';
 | 
						|
 | 
						|
        if ($useCommaAsDecimalPoint) {
 | 
						|
            $decimalSeparator = ',';
 | 
						|
            $thousandSeparator = '';
 | 
						|
        }
 | 
						|
 | 
						|
        $listInfo = [];
 | 
						|
        // Simple exercises
 | 
						|
        if (empty($hotpotatoe_where)) {
 | 
						|
            $column = !empty($column) ? Database::escape_string($column) : null;
 | 
						|
            $from = (int) $from;
 | 
						|
            $number_of_items = (int) $number_of_items;
 | 
						|
 | 
						|
            if (!empty($column)) {
 | 
						|
                $sql .= " ORDER BY $column $direction ";
 | 
						|
            }
 | 
						|
 | 
						|
            if (!$getOnyIds) {
 | 
						|
                $sql .= " LIMIT $from, $number_of_items";
 | 
						|
            }
 | 
						|
 | 
						|
            $results = [];
 | 
						|
            $resx = Database::query($sql);
 | 
						|
            while ($rowx = Database::fetch_array($resx, 'ASSOC')) {
 | 
						|
                $results[] = $rowx;
 | 
						|
            }
 | 
						|
 | 
						|
            $group_list = GroupManager::get_group_list(null, $courseInfo);
 | 
						|
            $clean_group_list = [];
 | 
						|
            if (!empty($group_list)) {
 | 
						|
                foreach ($group_list as $group) {
 | 
						|
                    $clean_group_list[$group['id']] = $group['name'];
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            $lp_list_obj = new LearnpathList(api_get_user_id());
 | 
						|
            $lp_list = $lp_list_obj->get_flat_list();
 | 
						|
            $oldIds = array_column($lp_list, 'lp_old_id', 'iid');
 | 
						|
 | 
						|
            if (is_array($results)) {
 | 
						|
                $users_array_id = [];
 | 
						|
                $from_gradebook = false;
 | 
						|
                if (isset($_GET['gradebook']) && $_GET['gradebook'] == 'view') {
 | 
						|
                    $from_gradebook = true;
 | 
						|
                }
 | 
						|
                $sizeof = count($results);
 | 
						|
                $locked = api_resource_is_locked_by_gradebook(
 | 
						|
                    $exercise_id,
 | 
						|
                    LINK_EXERCISE
 | 
						|
                );
 | 
						|
 | 
						|
                $timeNow = strtotime(api_get_utc_datetime());
 | 
						|
                // Looping results
 | 
						|
                for ($i = 0; $i < $sizeof; $i++) {
 | 
						|
                    $revised = $results[$i]['revised'];
 | 
						|
                    if ($results[$i]['completion_status'] == 'incomplete') {
 | 
						|
                        // If the exercise was incomplete, we need to determine
 | 
						|
                        // if it is still into the time allowed, or if its
 | 
						|
                        // allowed time has expired and it can be closed
 | 
						|
                        // (it's "unclosed")
 | 
						|
                        $minutes = $results[$i]['expired_time'];
 | 
						|
                        if ($minutes == 0) {
 | 
						|
                            // There's no time limit, so obviously the attempt
 | 
						|
                            // can still be "ongoing", but the teacher should
 | 
						|
                            // be able to choose to close it, so mark it as
 | 
						|
                            // "unclosed" instead of "ongoing"
 | 
						|
                            $revised = 2;
 | 
						|
                        } else {
 | 
						|
                            $allowedSeconds = $minutes * 60;
 | 
						|
                            $timeAttemptStarted = strtotime($results[$i]['start_date']);
 | 
						|
                            $secondsSinceStart = $timeNow - $timeAttemptStarted;
 | 
						|
                            if ($secondsSinceStart > $allowedSeconds) {
 | 
						|
                                $revised = 2; // mark as "unclosed"
 | 
						|
                            } else {
 | 
						|
                                $revised = 3; // mark as "ongoing"
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
 | 
						|
                    if ($from_gradebook && ($is_allowedToEdit)) {
 | 
						|
                        if (in_array(
 | 
						|
                            $results[$i]['username'].$results[$i]['firstname'].$results[$i]['lastname'],
 | 
						|
                            $users_array_id
 | 
						|
                        )) {
 | 
						|
                            continue;
 | 
						|
                        }
 | 
						|
                        $users_array_id[] = $results[$i]['username'].$results[$i]['firstname'].$results[$i]['lastname'];
 | 
						|
                    }
 | 
						|
 | 
						|
                    $lp_obj = isset($results[$i]['orig_lp_id']) && isset($lp_list[$results[$i]['orig_lp_id']]) ? $lp_list[$results[$i]['orig_lp_id']] : null;
 | 
						|
                    if (empty($lp_obj)) {
 | 
						|
                        // Try to get the old id (id instead of iid)
 | 
						|
                        $lpNewId = isset($results[$i]['orig_lp_id']) && isset($oldIds[$results[$i]['orig_lp_id']]) ? $oldIds[$results[$i]['orig_lp_id']] : null;
 | 
						|
                        if ($lpNewId) {
 | 
						|
                            $lp_obj = isset($lp_list[$lpNewId]) ? $lp_list[$lpNewId] : null;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                    $lp_name = null;
 | 
						|
                    if ($lp_obj) {
 | 
						|
                        $url = api_get_path(WEB_CODE_PATH).'lp/lp_controller.php?'.api_get_cidreq().'&action=view&lp_id='.$results[$i]['orig_lp_id'];
 | 
						|
                        $lp_name = Display::url(
 | 
						|
                            $lp_obj['lp_name'],
 | 
						|
                            $url,
 | 
						|
                            ['target' => '_blank']
 | 
						|
                        );
 | 
						|
                    }
 | 
						|
 | 
						|
                    // Add all groups by user
 | 
						|
                    $group_name_list = '';
 | 
						|
                    if ($is_empty_sql_inner_join_tbl_user) {
 | 
						|
                        $group_list = GroupManager::get_group_ids(
 | 
						|
                            api_get_course_int_id(),
 | 
						|
                            $results[$i]['user_id']
 | 
						|
                        );
 | 
						|
 | 
						|
                        foreach ($group_list as $id) {
 | 
						|
                            if (isset($clean_group_list[$id])) {
 | 
						|
                                $group_name_list .= $clean_group_list[$id].'<br/>';
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
                        $results[$i]['group_name'] = $group_name_list;
 | 
						|
                    }
 | 
						|
 | 
						|
                    $results[$i]['exe_duration'] = !empty($results[$i]['exe_duration']) ? round($results[$i]['exe_duration'] / 60) : 0;
 | 
						|
                    $id = $results[$i]['exe_id'];
 | 
						|
                    $dt = api_convert_and_format_date($results[$i]['exe_weighting']);
 | 
						|
 | 
						|
                    // we filter the results if we have the permission to
 | 
						|
                    $result_disabled = 0;
 | 
						|
                    if (isset($results[$i]['results_disabled'])) {
 | 
						|
                        $result_disabled = (int) $results[$i]['results_disabled'];
 | 
						|
                    }
 | 
						|
                    if ($result_disabled == 0) {
 | 
						|
                        $my_res = $results[$i]['exe_result'];
 | 
						|
                        $my_total = $results[$i]['exe_weighting'];
 | 
						|
                        $results[$i]['start_date'] = api_get_local_time($results[$i]['start_date']);
 | 
						|
                        $results[$i]['exe_date'] = api_get_local_time($results[$i]['exe_date']);
 | 
						|
 | 
						|
                        if (!$results[$i]['propagate_neg'] && $my_res < 0) {
 | 
						|
                            $my_res = 0;
 | 
						|
                        }
 | 
						|
 | 
						|
                        $score = self::show_score(
 | 
						|
                            $my_res,
 | 
						|
                            $my_total,
 | 
						|
                            true,
 | 
						|
                            true,
 | 
						|
                            false,
 | 
						|
                            false,
 | 
						|
                            $decimalSeparator,
 | 
						|
                            $thousandSeparator,
 | 
						|
                            $roundValues
 | 
						|
                        );
 | 
						|
 | 
						|
                        $actions = '<div class="pull-right">';
 | 
						|
                        if ($is_allowedToEdit) {
 | 
						|
                            if (isset($teacher_id_list)) {
 | 
						|
                                if (in_array(
 | 
						|
                                    $results[$i]['exe_user_id'],
 | 
						|
                                    $teacher_id_list
 | 
						|
                                )) {
 | 
						|
                                    $actions .= Display::return_icon('teacher.png', get_lang('Teacher'));
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
                            $revisedLabel = '';
 | 
						|
                            switch ($revised) {
 | 
						|
                                case 0:
 | 
						|
                                    $actions .= "<a href='exercise_show.php?".api_get_cidreq()."&action=qualify&id=$id'>".
 | 
						|
                                        Display:: return_icon(
 | 
						|
                                            'quiz.png',
 | 
						|
                                            get_lang('Qualify')
 | 
						|
                                        );
 | 
						|
                                    $actions .= '</a>';
 | 
						|
                                    $revisedLabel = Display::label(
 | 
						|
                                        get_lang('NotValidated'),
 | 
						|
                                        'info'
 | 
						|
                                    );
 | 
						|
                                    break;
 | 
						|
                                case 1:
 | 
						|
                                    $actions .= "<a href='exercise_show.php?".api_get_cidreq()."&action=edit&id=$id'>".
 | 
						|
                                        Display:: return_icon(
 | 
						|
                                            'edit.png',
 | 
						|
                                            get_lang('Edit'),
 | 
						|
                                            [],
 | 
						|
                                            ICON_SIZE_SMALL
 | 
						|
                                        );
 | 
						|
                                    $actions .= '</a>';
 | 
						|
                                    $revisedLabel = Display::label(
 | 
						|
                                        get_lang('Validated'),
 | 
						|
                                        'success'
 | 
						|
                                    );
 | 
						|
                                    break;
 | 
						|
                                case 2: //finished but not marked as such
 | 
						|
                                    $actions .= '<a href="exercise_report.php?'
 | 
						|
                                        .api_get_cidreq()
 | 
						|
                                        .'&exerciseId='
 | 
						|
                                        .$exercise_id
 | 
						|
                                        .'&a=close&id='
 | 
						|
                                        .$id
 | 
						|
                                        .'">'.
 | 
						|
                                        Display:: return_icon(
 | 
						|
                                            'lock.png',
 | 
						|
                                            get_lang('MarkAttemptAsClosed'),
 | 
						|
                                            [],
 | 
						|
                                            ICON_SIZE_SMALL
 | 
						|
                                        );
 | 
						|
                                    $actions .= '</a>';
 | 
						|
                                    $revisedLabel = Display::label(
 | 
						|
                                        get_lang('Unclosed'),
 | 
						|
                                        'warning'
 | 
						|
                                    );
 | 
						|
                                    break;
 | 
						|
                                case 3: //still ongoing
 | 
						|
                                    $actions .= Display:: return_icon(
 | 
						|
                                        'clock.png',
 | 
						|
                                        get_lang('AttemptStillOngoingPleaseWait'),
 | 
						|
                                        [],
 | 
						|
                                        ICON_SIZE_SMALL
 | 
						|
                                    );
 | 
						|
                                    $actions .= '';
 | 
						|
                                    $revisedLabel = Display::label(
 | 
						|
                                        get_lang('Ongoing'),
 | 
						|
                                        'danger'
 | 
						|
                                    );
 | 
						|
                                    break;
 | 
						|
                            }
 | 
						|
 | 
						|
                            if ($filter == 2) {
 | 
						|
                                $actions .= ' <a href="exercise_history.php?'.api_get_cidreq().'&exe_id='.$id.'">'.
 | 
						|
                                    Display:: return_icon(
 | 
						|
                                        'history.png',
 | 
						|
                                        get_lang('ViewHistoryChange')
 | 
						|
                                    ).'</a>';
 | 
						|
                            }
 | 
						|
 | 
						|
                            // Admin can always delete the attempt
 | 
						|
                            if (($locked == false || api_is_platform_admin()) && !api_is_student_boss()) {
 | 
						|
                                $ip = Tracking::get_ip_from_user_event(
 | 
						|
                                    $results[$i]['exe_user_id'],
 | 
						|
                                    api_get_utc_datetime(),
 | 
						|
                                    false
 | 
						|
                                );
 | 
						|
                                $actions .= '<a href="http://www.whatsmyip.org/ip-geo-location/?ip='.$ip.'" target="_blank">'
 | 
						|
                                    .Display::return_icon('info.png', $ip)
 | 
						|
                                    .'</a>';
 | 
						|
 | 
						|
                                $recalculateUrl = api_get_path(WEB_CODE_PATH).'exercise/recalculate.php?'.
 | 
						|
                                    api_get_cidreq().'&'.
 | 
						|
                                    http_build_query([
 | 
						|
                                        'id' => $id,
 | 
						|
                                        'exercise' => $exercise_id,
 | 
						|
                                        'user' => $results[$i]['exe_user_id'],
 | 
						|
                                    ]);
 | 
						|
                                $actions .= Display::url(
 | 
						|
                                    Display::return_icon('reload.png', get_lang('RecalculateResults')),
 | 
						|
                                    $recalculateUrl,
 | 
						|
                                    [
 | 
						|
                                        'data-exercise' => $exercise_id,
 | 
						|
                                        'data-user' => $results[$i]['exe_user_id'],
 | 
						|
                                        'data-id' => $id,
 | 
						|
                                        'class' => 'exercise-recalculate',
 | 
						|
                                    ]
 | 
						|
                                );
 | 
						|
 | 
						|
                                $filterByUser = isset($_GET['filter_by_user']) ? (int) $_GET['filter_by_user'] : 0;
 | 
						|
                                $delete_link = '<a href="exercise_report.php?'.api_get_cidreq().'&filter_by_user='.$filterByUser.'&filter='.$filter.'&exerciseId='.$exercise_id.'&delete=delete&did='.$id.'"
 | 
						|
                                onclick="javascript:if(!confirm(\''.sprintf(
 | 
						|
                                        addslashes(get_lang('DeleteAttempt')),
 | 
						|
                                        $results[$i]['username'],
 | 
						|
                                        $dt
 | 
						|
                                    ).'\')) return false;">';
 | 
						|
                                $delete_link .= Display::return_icon(
 | 
						|
                                        'delete.png',
 | 
						|
                                        addslashes(get_lang('Delete'))
 | 
						|
                                    ).'</a>';
 | 
						|
 | 
						|
                                if (api_is_drh() && !api_is_platform_admin()) {
 | 
						|
                                    $delete_link = null;
 | 
						|
                                }
 | 
						|
                                if (api_is_session_admin()) {
 | 
						|
                                    $delete_link = '';
 | 
						|
                                }
 | 
						|
                                if ($revised == 3) {
 | 
						|
                                    $delete_link = null;
 | 
						|
                                }
 | 
						|
                                $actions .= $delete_link;
 | 
						|
                            }
 | 
						|
                        } else {
 | 
						|
                            $attempt_url = api_get_path(WEB_CODE_PATH).'exercise/result.php?'.api_get_cidreq().'&id='.$results[$i]['exe_id'].'&id_session='.$sessionId;
 | 
						|
                            $attempt_link = Display::url(
 | 
						|
                                get_lang('Show'),
 | 
						|
                                $attempt_url,
 | 
						|
                                [
 | 
						|
                                    'class' => 'ajax btn btn-default',
 | 
						|
                                    'data-title' => get_lang('Show'),
 | 
						|
                                ]
 | 
						|
                            );
 | 
						|
                            $actions .= $attempt_link;
 | 
						|
                        }
 | 
						|
                        $actions .= '</div>';
 | 
						|
 | 
						|
                        if (!empty($userExtraFieldsToAdd)) {
 | 
						|
                            foreach ($userExtraFieldsToAdd as $variable) {
 | 
						|
                                $extraFieldValue = new ExtraFieldValue('user');
 | 
						|
                                $values = $extraFieldValue->get_values_by_handler_and_field_variable(
 | 
						|
                                    $results[$i]['user_id'],
 | 
						|
                                    $variable
 | 
						|
                                );
 | 
						|
                                if (isset($values['value'])) {
 | 
						|
                                    $results[$i][$variable] = $values['value'];
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
 | 
						|
                        $exeId = $results[$i]['exe_id'];
 | 
						|
                        $results[$i]['id'] = $exeId;
 | 
						|
                        $category_list = [];
 | 
						|
                        if ($is_allowedToEdit) {
 | 
						|
                            $sessionName = '';
 | 
						|
                            $sessionStartAccessDate = '';
 | 
						|
                            if (!empty($results[$i]['session_id'])) {
 | 
						|
                                $sessionInfo = api_get_session_info($results[$i]['session_id']);
 | 
						|
                                if (!empty($sessionInfo)) {
 | 
						|
                                    $sessionName = $sessionInfo['name'];
 | 
						|
                                    $sessionStartAccessDate = api_get_local_time($sessionInfo['access_start_date']);
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
 | 
						|
                            $objExercise = new Exercise($course_id);
 | 
						|
                            if ($showExerciseCategories) {
 | 
						|
                                // Getting attempt info
 | 
						|
                                $exercise_stat_info = $objExercise->get_stat_track_exercise_info_by_exe_id($exeId);
 | 
						|
                                if (!empty($exercise_stat_info['data_tracking'])) {
 | 
						|
                                    $question_list = explode(',', $exercise_stat_info['data_tracking']);
 | 
						|
                                    if (!empty($question_list)) {
 | 
						|
                                        foreach ($question_list as $questionId) {
 | 
						|
                                            $objQuestionTmp = Question::read($questionId, $objExercise->course);
 | 
						|
                                            // We're inside *one* question. Go through each possible answer for this question
 | 
						|
                                            $result = $objExercise->manage_answer(
 | 
						|
                                                $exeId,
 | 
						|
                                                $questionId,
 | 
						|
                                                null,
 | 
						|
                                                'exercise_result',
 | 
						|
                                                false,
 | 
						|
                                                false,
 | 
						|
                                                true,
 | 
						|
                                                false,
 | 
						|
                                                $objExercise->selectPropagateNeg(),
 | 
						|
                                                null,
 | 
						|
                                                true
 | 
						|
                                            );
 | 
						|
 | 
						|
                                            $my_total_score = $result['score'];
 | 
						|
                                            $my_total_weight = $result['weight'];
 | 
						|
 | 
						|
                                            // Category report
 | 
						|
                                            $category_was_added_for_this_test = false;
 | 
						|
                                            if (isset($objQuestionTmp->category) && !empty($objQuestionTmp->category)) {
 | 
						|
                                                if (!isset($category_list[$objQuestionTmp->category]['score'])) {
 | 
						|
                                                    $category_list[$objQuestionTmp->category]['score'] = 0;
 | 
						|
                                                }
 | 
						|
                                                if (!isset($category_list[$objQuestionTmp->category]['total'])) {
 | 
						|
                                                    $category_list[$objQuestionTmp->category]['total'] = 0;
 | 
						|
                                                }
 | 
						|
                                                $category_list[$objQuestionTmp->category]['score'] += $my_total_score;
 | 
						|
                                                $category_list[$objQuestionTmp->category]['total'] += $my_total_weight;
 | 
						|
                                                $category_was_added_for_this_test = true;
 | 
						|
                                            }
 | 
						|
 | 
						|
                                            if (isset($objQuestionTmp->category_list) &&
 | 
						|
                                                !empty($objQuestionTmp->category_list)
 | 
						|
                                            ) {
 | 
						|
                                                foreach ($objQuestionTmp->category_list as $category_id) {
 | 
						|
                                                    $category_list[$category_id]['score'] += $my_total_score;
 | 
						|
                                                    $category_list[$category_id]['total'] += $my_total_weight;
 | 
						|
                                                    $category_was_added_for_this_test = true;
 | 
						|
                                                }
 | 
						|
                                            }
 | 
						|
 | 
						|
                                            // No category for this question!
 | 
						|
                                            if ($category_was_added_for_this_test == false) {
 | 
						|
                                                if (!isset($category_list['none']['score'])) {
 | 
						|
                                                    $category_list['none']['score'] = 0;
 | 
						|
                                                }
 | 
						|
                                                if (!isset($category_list['none']['total'])) {
 | 
						|
                                                    $category_list['none']['total'] = 0;
 | 
						|
                                                }
 | 
						|
 | 
						|
                                                $category_list['none']['score'] += $my_total_score;
 | 
						|
                                                $category_list['none']['total'] += $my_total_weight;
 | 
						|
                                            }
 | 
						|
                                        }
 | 
						|
                                    }
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
 | 
						|
                            foreach ($category_list as $categoryId => $result) {
 | 
						|
                                $scoreToDisplay = self::show_score(
 | 
						|
                                    $result['score'],
 | 
						|
                                    $result['total'],
 | 
						|
                                    true,
 | 
						|
                                    true,
 | 
						|
                                    false,
 | 
						|
                                    false,
 | 
						|
                                    $decimalSeparator,
 | 
						|
                                    $thousandSeparator,
 | 
						|
                                    $roundValues
 | 
						|
                                );
 | 
						|
                                $results[$i]['category_'.$categoryId] = $scoreToDisplay;
 | 
						|
                                $results[$i]['category_'.$categoryId.'_score_percentage'] = self::show_score(
 | 
						|
                                    $result['score'],
 | 
						|
                                    $result['total'],
 | 
						|
                                    true,
 | 
						|
                                    true,
 | 
						|
                                    true, // $show_only_percentage = false
 | 
						|
                                    true, // hide % sign
 | 
						|
                                    $decimalSeparator,
 | 
						|
                                    $thousandSeparator,
 | 
						|
                                    $roundValues
 | 
						|
                                );
 | 
						|
                                $results[$i]['category_'.$categoryId.'_only_score'] = $result['score'];
 | 
						|
                                $results[$i]['category_'.$categoryId.'_total'] = $result['total'];
 | 
						|
                            }
 | 
						|
                            $results[$i]['session'] = $sessionName;
 | 
						|
                            $results[$i]['session_access_start_date'] = $sessionStartAccessDate;
 | 
						|
                            $results[$i]['status'] = $revisedLabel;
 | 
						|
                            $results[$i]['score'] = $score;
 | 
						|
                            $results[$i]['score_percentage'] = self::show_score(
 | 
						|
                                $my_res,
 | 
						|
                                $my_total,
 | 
						|
                                true,
 | 
						|
                                true,
 | 
						|
                                true,
 | 
						|
                                true,
 | 
						|
                                $decimalSeparator,
 | 
						|
                                $thousandSeparator,
 | 
						|
                                $roundValues
 | 
						|
                            );
 | 
						|
 | 
						|
                            if ($roundValues) {
 | 
						|
                                $whole = floor($my_res); // 1
 | 
						|
                                $fraction = $my_res - $whole; // .25
 | 
						|
                                if ($fraction >= 0.5) {
 | 
						|
                                    $onlyScore = ceil($my_res);
 | 
						|
                                } else {
 | 
						|
                                    $onlyScore = round($my_res);
 | 
						|
                                }
 | 
						|
                            } else {
 | 
						|
                                $onlyScore = $scoreDisplay->format_score(
 | 
						|
                                    $my_res,
 | 
						|
                                    false,
 | 
						|
                                    $decimalSeparator,
 | 
						|
                                    $thousandSeparator
 | 
						|
                                );
 | 
						|
                            }
 | 
						|
 | 
						|
                            $results[$i]['only_score'] = $onlyScore;
 | 
						|
 | 
						|
                            if ($roundValues) {
 | 
						|
                                $whole = floor($my_total); // 1
 | 
						|
                                $fraction = $my_total - $whole; // .25
 | 
						|
                                if ($fraction >= 0.5) {
 | 
						|
                                    $onlyTotal = ceil($my_total);
 | 
						|
                                } else {
 | 
						|
                                    $onlyTotal = round($my_total);
 | 
						|
                                }
 | 
						|
                            } else {
 | 
						|
                                $onlyTotal = $scoreDisplay->format_score(
 | 
						|
                                    $my_total,
 | 
						|
                                    false,
 | 
						|
                                    $decimalSeparator,
 | 
						|
                                    $thousandSeparator
 | 
						|
                                );
 | 
						|
                            }
 | 
						|
                            $results[$i]['total'] = $onlyTotal;
 | 
						|
                            $results[$i]['lp'] = $lp_name;
 | 
						|
                            $results[$i]['actions'] = $actions;
 | 
						|
                            $listInfo[] = $results[$i];
 | 
						|
                        } else {
 | 
						|
                            $results[$i]['status'] = $revisedLabel;
 | 
						|
                            $results[$i]['score'] = $score;
 | 
						|
                            $results[$i]['actions'] = $actions;
 | 
						|
                            $listInfo[] = $results[$i];
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            $hpresults = [];
 | 
						|
            $res = Database::query($hpsql);
 | 
						|
            if ($res !== false) {
 | 
						|
                $i = 0;
 | 
						|
                while ($resA = Database::fetch_array($res, 'NUM')) {
 | 
						|
                    for ($j = 0; $j < 6; $j++) {
 | 
						|
                        $hpresults[$i][$j] = $resA[$j];
 | 
						|
                    }
 | 
						|
                    $i++;
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            // Print HotPotatoes test results.
 | 
						|
            if (is_array($hpresults)) {
 | 
						|
                for ($i = 0; $i < count($hpresults); $i++) {
 | 
						|
                    $hp_title = GetQuizName($hpresults[$i][3], $documentPath);
 | 
						|
                    if ($hp_title == '') {
 | 
						|
                        $hp_title = basename($hpresults[$i][3]);
 | 
						|
                    }
 | 
						|
 | 
						|
                    $hp_date = api_get_local_time(
 | 
						|
                        $hpresults[$i][6],
 | 
						|
                        null,
 | 
						|
                        date_default_timezone_get()
 | 
						|
                    );
 | 
						|
                    $hp_result = round(($hpresults[$i][4] / ($hpresults[$i][5] != 0 ? $hpresults[$i][5] : 1)) * 100, 2);
 | 
						|
                    $hp_result .= '% ('.$hpresults[$i][4].' / '.$hpresults[$i][5].')';
 | 
						|
 | 
						|
                    if ($is_allowedToEdit) {
 | 
						|
                        $listInfo[] = [
 | 
						|
                            $hpresults[$i][0],
 | 
						|
                            $hpresults[$i][1],
 | 
						|
                            $hpresults[$i][2],
 | 
						|
                            '',
 | 
						|
                            $hp_title,
 | 
						|
                            '-',
 | 
						|
                            $hp_date,
 | 
						|
                            $hp_result,
 | 
						|
                            '-',
 | 
						|
                        ];
 | 
						|
                    } else {
 | 
						|
                        $listInfo[] = [
 | 
						|
                            $hp_title,
 | 
						|
                            '-',
 | 
						|
                            $hp_date,
 | 
						|
                            $hp_result,
 | 
						|
                            '-',
 | 
						|
                        ];
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        return $listInfo;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param $score
 | 
						|
     * @param $weight
 | 
						|
     *
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public static function convertScoreToPlatformSetting($score, $weight)
 | 
						|
    {
 | 
						|
        $maxNote = api_get_setting('exercise_max_score');
 | 
						|
        $minNote = api_get_setting('exercise_min_score');
 | 
						|
 | 
						|
        if ($maxNote != '' && $minNote != '') {
 | 
						|
            if (!empty($weight) && (float) $weight !== (float) 0) {
 | 
						|
                $score = $minNote + ($maxNote - $minNote) * $score / $weight;
 | 
						|
            } else {
 | 
						|
                $score = $minNote;
 | 
						|
            }
 | 
						|
            $weight = $maxNote;
 | 
						|
        }
 | 
						|
 | 
						|
        return ['score' => $score, 'weight' => $weight];
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Converts the score with the exercise_max_note and exercise_min_score
 | 
						|
     * the platform settings + formats the results using the float_format function.
 | 
						|
     *
 | 
						|
     * @param float  $score
 | 
						|
     * @param float  $weight
 | 
						|
     * @param bool   $show_percentage       show percentage or not
 | 
						|
     * @param bool   $use_platform_settings use or not the platform settings
 | 
						|
     * @param bool   $show_only_percentage
 | 
						|
     * @param bool   $hidePercentageSign    hide "%" sign
 | 
						|
     * @param string $decimalSeparator
 | 
						|
     * @param string $thousandSeparator
 | 
						|
     * @param bool   $roundValues           This option rounds the float values into a int using ceil()
 | 
						|
     * @param bool   $removeEmptyDecimals
 | 
						|
     *
 | 
						|
     * @return string an html with the score modified
 | 
						|
     */
 | 
						|
    public static function show_score(
 | 
						|
        $score,
 | 
						|
        $weight,
 | 
						|
        $show_percentage = true,
 | 
						|
        $use_platform_settings = true,
 | 
						|
        $show_only_percentage = false,
 | 
						|
        $hidePercentageSign = false,
 | 
						|
        $decimalSeparator = '.',
 | 
						|
        $thousandSeparator = ',',
 | 
						|
        $roundValues = false,
 | 
						|
        $removeEmptyDecimals = false
 | 
						|
    ) {
 | 
						|
        if (is_null($score) && is_null($weight)) {
 | 
						|
            return '-';
 | 
						|
        }
 | 
						|
 | 
						|
        $decimalSeparator = empty($decimalSeparator) ? '.' : $decimalSeparator;
 | 
						|
        $thousandSeparator = empty($thousandSeparator) ? ',' : $thousandSeparator;
 | 
						|
 | 
						|
        if ($use_platform_settings) {
 | 
						|
            $result = self::convertScoreToPlatformSetting($score, $weight);
 | 
						|
            $score = $result['score'];
 | 
						|
            $weight = $result['weight'];
 | 
						|
        }
 | 
						|
 | 
						|
        $percentage = (100 * $score) / ($weight != 0 ? $weight : 1);
 | 
						|
 | 
						|
        // Formats values
 | 
						|
        $percentage = float_format($percentage, 1);
 | 
						|
        $score = float_format($score, 1);
 | 
						|
        $weight = float_format($weight, 1);
 | 
						|
 | 
						|
        if ($roundValues) {
 | 
						|
            $whole = floor($percentage); // 1
 | 
						|
            $fraction = $percentage - $whole; // .25
 | 
						|
 | 
						|
            // Formats values
 | 
						|
            if ($fraction >= 0.5) {
 | 
						|
                $percentage = ceil($percentage);
 | 
						|
            } else {
 | 
						|
                $percentage = round($percentage);
 | 
						|
            }
 | 
						|
 | 
						|
            $whole = floor($score); // 1
 | 
						|
            $fraction = $score - $whole; // .25
 | 
						|
            if ($fraction >= 0.5) {
 | 
						|
                $score = ceil($score);
 | 
						|
            } else {
 | 
						|
                $score = round($score);
 | 
						|
            }
 | 
						|
 | 
						|
            $whole = floor($weight); // 1
 | 
						|
            $fraction = $weight - $whole; // .25
 | 
						|
            if ($fraction >= 0.5) {
 | 
						|
                $weight = ceil($weight);
 | 
						|
            } else {
 | 
						|
                $weight = round($weight);
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            // Formats values
 | 
						|
            $percentage = float_format($percentage, 1, $decimalSeparator, $thousandSeparator);
 | 
						|
            $score = float_format($score, 1, $decimalSeparator, $thousandSeparator);
 | 
						|
            $weight = float_format($weight, 1, $decimalSeparator, $thousandSeparator);
 | 
						|
        }
 | 
						|
 | 
						|
        if ($show_percentage) {
 | 
						|
            $percentageSign = ' %';
 | 
						|
            if ($hidePercentageSign) {
 | 
						|
                $percentageSign = '';
 | 
						|
            }
 | 
						|
            $html = $percentage."$percentageSign ($score / $weight)";
 | 
						|
            if ($show_only_percentage) {
 | 
						|
                $html = $percentage.$percentageSign;
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            if ($removeEmptyDecimals) {
 | 
						|
                if (ScoreDisplay::hasEmptyDecimals($weight)) {
 | 
						|
                    $weight = round($weight);
 | 
						|
                }
 | 
						|
            }
 | 
						|
            $html = $score.' / '.$weight;
 | 
						|
        }
 | 
						|
 | 
						|
        // Over write score
 | 
						|
        $scoreBasedInModel = self::convertScoreToModel($percentage);
 | 
						|
        if (!empty($scoreBasedInModel)) {
 | 
						|
            $html = $scoreBasedInModel;
 | 
						|
        }
 | 
						|
 | 
						|
        // Ignore other formats and use the configuration['exercise_score_format'] value
 | 
						|
        // But also keep the round values settings.
 | 
						|
        $format = api_get_configuration_value('exercise_score_format');
 | 
						|
        if (!empty($format)) {
 | 
						|
            $html = ScoreDisplay::instance()->display_score([$score, $weight], $format);
 | 
						|
        }
 | 
						|
 | 
						|
        return Display::span($html, ['class' => 'score_exercise']);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param array $model
 | 
						|
     * @param float $percentage
 | 
						|
     *
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public static function getModelStyle($model, $percentage)
 | 
						|
    {
 | 
						|
        return '<span class="'.$model['css_class'].'">      </span>';
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param float $percentage value between 0 and 100
 | 
						|
     *
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public static function convertScoreToModel($percentage)
 | 
						|
    {
 | 
						|
        $model = self::getCourseScoreModel();
 | 
						|
        if (!empty($model)) {
 | 
						|
            $scoreWithGrade = [];
 | 
						|
            foreach ($model['score_list'] as $item) {
 | 
						|
                if ($percentage >= $item['min'] && $percentage <= $item['max']) {
 | 
						|
                    $scoreWithGrade = $item;
 | 
						|
                    break;
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            if (!empty($scoreWithGrade)) {
 | 
						|
                return self::getModelStyle($scoreWithGrade, $percentage);
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        return '';
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public static function getCourseScoreModel()
 | 
						|
    {
 | 
						|
        $modelList = self::getScoreModels();
 | 
						|
        if (empty($modelList)) {
 | 
						|
            return [];
 | 
						|
        }
 | 
						|
 | 
						|
        $courseInfo = api_get_course_info();
 | 
						|
        if (!empty($courseInfo)) {
 | 
						|
            $scoreModelId = api_get_course_setting('score_model_id');
 | 
						|
            if (-1 != $scoreModelId) {
 | 
						|
                $modelIdList = array_column($modelList['models'], 'id');
 | 
						|
                if (in_array($scoreModelId, $modelIdList)) {
 | 
						|
                    foreach ($modelList['models'] as $item) {
 | 
						|
                        if ($item['id'] == $scoreModelId) {
 | 
						|
                            return $item;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        return [];
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public static function getScoreModels()
 | 
						|
    {
 | 
						|
        return api_get_configuration_value('score_grade_model');
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param float  $score
 | 
						|
     * @param float  $weight
 | 
						|
     * @param string $passPercentage
 | 
						|
     *
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public static function isSuccessExerciseResult($score, $weight, $passPercentage)
 | 
						|
    {
 | 
						|
        $percentage = float_format(
 | 
						|
            ($score / (0 != $weight ? $weight : 1)) * 100,
 | 
						|
            1
 | 
						|
        );
 | 
						|
        if (isset($passPercentage) && !empty($passPercentage)) {
 | 
						|
            if ($percentage >= $passPercentage) {
 | 
						|
                return true;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        return false;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param string $name
 | 
						|
     * @param $weight
 | 
						|
     * @param $selected
 | 
						|
     *
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public static function addScoreModelInput(
 | 
						|
        FormValidator $form,
 | 
						|
        $name,
 | 
						|
        $weight,
 | 
						|
        $selected
 | 
						|
    ) {
 | 
						|
        $model = self::getCourseScoreModel();
 | 
						|
        if (empty($model)) {
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
 | 
						|
        /** @var HTML_QuickForm_select $element */
 | 
						|
        $element = $form->createElement(
 | 
						|
            'select',
 | 
						|
            $name,
 | 
						|
            get_lang('Qualification'),
 | 
						|
            [],
 | 
						|
            ['class' => 'exercise_mark_select']
 | 
						|
        );
 | 
						|
 | 
						|
        foreach ($model['score_list'] as $item) {
 | 
						|
            $i = api_number_format($item['score_to_qualify'] / 100 * $weight, 2);
 | 
						|
            $label = self::getModelStyle($item, $i);
 | 
						|
            $attributes = [
 | 
						|
                'class' => $item['css_class'],
 | 
						|
            ];
 | 
						|
            if ($selected == $i) {
 | 
						|
                $attributes['selected'] = 'selected';
 | 
						|
            }
 | 
						|
            $element->addOption($label, $i, $attributes);
 | 
						|
        }
 | 
						|
        $form->addElement($element);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public static function getJsCode()
 | 
						|
    {
 | 
						|
        // Filling the scores with the right colors.
 | 
						|
        $models = self::getCourseScoreModel();
 | 
						|
        $cssListToString = '';
 | 
						|
        if (!empty($models)) {
 | 
						|
            $cssList = array_column($models['score_list'], 'css_class');
 | 
						|
            $cssListToString = implode(' ', $cssList);
 | 
						|
        }
 | 
						|
 | 
						|
        if (empty($cssListToString)) {
 | 
						|
            return '';
 | 
						|
        }
 | 
						|
        $js = <<<EOT
 | 
						|
 | 
						|
        function updateSelect(element) {
 | 
						|
            var spanTag = element.parent().find('span.filter-option');
 | 
						|
            var value = element.val();
 | 
						|
            var selectId = element.attr('id');
 | 
						|
            var optionClass = $('#' + selectId + ' option[value="'+value+'"]').attr('class');
 | 
						|
            spanTag.removeClass('$cssListToString');
 | 
						|
            spanTag.addClass(optionClass);
 | 
						|
        }
 | 
						|
 | 
						|
        $(function() {
 | 
						|
            // Loading values
 | 
						|
            $('.exercise_mark_select').on('loaded.bs.select', function() {
 | 
						|
                updateSelect($(this));
 | 
						|
            });
 | 
						|
            // On change
 | 
						|
            $('.exercise_mark_select').on('changed.bs.select', function() {
 | 
						|
                updateSelect($(this));
 | 
						|
            });
 | 
						|
        });
 | 
						|
EOT;
 | 
						|
 | 
						|
        return $js;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param float  $score
 | 
						|
     * @param float  $weight
 | 
						|
     * @param string $pass_percentage
 | 
						|
     *
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public static function showSuccessMessage($score, $weight, $pass_percentage)
 | 
						|
    {
 | 
						|
        $res = '';
 | 
						|
        if (self::isPassPercentageEnabled($pass_percentage)) {
 | 
						|
            $isSuccess = self::isSuccessExerciseResult(
 | 
						|
                $score,
 | 
						|
                $weight,
 | 
						|
                $pass_percentage
 | 
						|
            );
 | 
						|
 | 
						|
            if ($isSuccess) {
 | 
						|
                $html = get_lang('CongratulationsYouPassedTheTest');
 | 
						|
                $icon = Display::return_icon(
 | 
						|
                    'completed.png',
 | 
						|
                    get_lang('Correct'),
 | 
						|
                    [],
 | 
						|
                    ICON_SIZE_MEDIUM
 | 
						|
                );
 | 
						|
            } else {
 | 
						|
                $html = get_lang('YouDidNotReachTheMinimumScore');
 | 
						|
                $icon = Display::return_icon(
 | 
						|
                    'warning.png',
 | 
						|
                    get_lang('Wrong'),
 | 
						|
                    [],
 | 
						|
                    ICON_SIZE_MEDIUM
 | 
						|
                );
 | 
						|
            }
 | 
						|
            $html = Display::tag('h4', $html);
 | 
						|
            $html .= Display::tag(
 | 
						|
                'h5',
 | 
						|
                $icon,
 | 
						|
                ['style' => 'width:40px; padding:2px 10px 0px 0px']
 | 
						|
            );
 | 
						|
            $res = $html;
 | 
						|
        }
 | 
						|
 | 
						|
        return $res;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Return true if pass_pourcentage activated (we use the pass pourcentage feature
 | 
						|
     * return false if pass_percentage = 0 (we don't use the pass pourcentage feature.
 | 
						|
     *
 | 
						|
     * @param $value
 | 
						|
     *
 | 
						|
     * @return bool
 | 
						|
     *              In this version, pass_percentage and show_success_message are disabled if
 | 
						|
     *              pass_percentage is set to 0
 | 
						|
     */
 | 
						|
    public static function isPassPercentageEnabled($value)
 | 
						|
    {
 | 
						|
        return $value > 0;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Converts a numeric value in a percentage example 0.66666 to 66.67 %.
 | 
						|
     *
 | 
						|
     * @param $value
 | 
						|
     *
 | 
						|
     * @return float Converted number
 | 
						|
     */
 | 
						|
    public static function convert_to_percentage($value)
 | 
						|
    {
 | 
						|
        $return = '-';
 | 
						|
        if ($value != '') {
 | 
						|
            $return = float_format($value * 100, 1).' %';
 | 
						|
        }
 | 
						|
 | 
						|
        return $return;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Getting all active exercises from a course from a session
 | 
						|
     * (if a session_id is provided we will show all the exercises in the course +
 | 
						|
     * all exercises in the session).
 | 
						|
     *
 | 
						|
     * @param array  $course_info
 | 
						|
     * @param int    $session_id
 | 
						|
     * @param bool   $check_publication_dates
 | 
						|
     * @param string $search                  Search exercise name
 | 
						|
     * @param bool   $search_all_sessions     Search exercises in all sessions
 | 
						|
     * @param   int 0 = only inactive exercises
 | 
						|
     *                  1 = only active exercises,
 | 
						|
     *                  2 = all exercises
 | 
						|
     *                  3 = active <> -1
 | 
						|
     *
 | 
						|
     * @return array array with exercise data
 | 
						|
     */
 | 
						|
    public static function get_all_exercises(
 | 
						|
        $course_info = null,
 | 
						|
        $session_id = 0,
 | 
						|
        $check_publication_dates = false,
 | 
						|
        $search = '',
 | 
						|
        $search_all_sessions = false,
 | 
						|
        $active = 2
 | 
						|
    ) {
 | 
						|
        $course_id = api_get_course_int_id();
 | 
						|
 | 
						|
        if (!empty($course_info) && !empty($course_info['real_id'])) {
 | 
						|
            $course_id = $course_info['real_id'];
 | 
						|
        }
 | 
						|
 | 
						|
        if ($session_id == -1) {
 | 
						|
            $session_id = 0;
 | 
						|
        }
 | 
						|
 | 
						|
        $now = api_get_utc_datetime();
 | 
						|
        $timeConditions = '';
 | 
						|
        if ($check_publication_dates) {
 | 
						|
            // Start and end are set
 | 
						|
            $timeConditions = " AND ((start_time <> '' AND start_time < '$now' AND end_time <> '' AND end_time > '$now' )  OR ";
 | 
						|
            // only start is set
 | 
						|
            $timeConditions .= " (start_time <> '' AND start_time < '$now' AND end_time is NULL) OR ";
 | 
						|
            // only end is set
 | 
						|
            $timeConditions .= " (start_time IS NULL AND end_time <> '' AND end_time > '$now') OR ";
 | 
						|
            // nothing is set
 | 
						|
            $timeConditions .= ' (start_time IS NULL AND end_time IS NULL)) ';
 | 
						|
        }
 | 
						|
 | 
						|
        $needle_where = !empty($search) ? " AND title LIKE '?' " : '';
 | 
						|
        $needle = !empty($search) ? "%".$search."%" : '';
 | 
						|
 | 
						|
        // Show courses by active status
 | 
						|
        $active_sql = '';
 | 
						|
        if ($active == 3) {
 | 
						|
            $active_sql = ' active <> -1 AND';
 | 
						|
        } else {
 | 
						|
            if ($active != 2) {
 | 
						|
                $active_sql = sprintf(' active = %d AND', $active);
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        if ($search_all_sessions == true) {
 | 
						|
            $conditions = [
 | 
						|
                'where' => [
 | 
						|
                    $active_sql.' c_id = ? '.$needle_where.$timeConditions => [
 | 
						|
                        $course_id,
 | 
						|
                        $needle,
 | 
						|
                    ],
 | 
						|
                ],
 | 
						|
                'order' => 'title',
 | 
						|
            ];
 | 
						|
        } else {
 | 
						|
            if (empty($session_id)) {
 | 
						|
                $conditions = [
 | 
						|
                    'where' => [
 | 
						|
                        $active_sql.' (session_id = 0 OR session_id IS NULL) AND c_id = ? '.$needle_where.$timeConditions => [
 | 
						|
                            $course_id,
 | 
						|
                            $needle,
 | 
						|
                        ],
 | 
						|
                    ],
 | 
						|
                    'order' => 'title',
 | 
						|
                ];
 | 
						|
            } else {
 | 
						|
                $conditions = [
 | 
						|
                    'where' => [
 | 
						|
                        $active_sql.' (session_id = 0 OR session_id IS NULL OR session_id = ? ) AND c_id = ? '.$needle_where.$timeConditions => [
 | 
						|
                            $session_id,
 | 
						|
                            $course_id,
 | 
						|
                            $needle,
 | 
						|
                        ],
 | 
						|
                    ],
 | 
						|
                    'order' => 'title',
 | 
						|
                ];
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        $table = Database::get_course_table(TABLE_QUIZ_TEST);
 | 
						|
 | 
						|
        return Database::select('*', $table, $conditions);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Getting all exercises (active only or all)
 | 
						|
     * from a course from a session
 | 
						|
     * (if a session_id is provided we will show all the exercises in the
 | 
						|
     * course + all exercises in the session).
 | 
						|
     *
 | 
						|
     * @param   array   course data
 | 
						|
     * @param   int     session id
 | 
						|
     * @param    int        course c_id
 | 
						|
     * @param bool $only_active_exercises
 | 
						|
     *
 | 
						|
     * @return array array with exercise data
 | 
						|
     *               modified by Hubert Borderiou
 | 
						|
     */
 | 
						|
    public static function get_all_exercises_for_course_id(
 | 
						|
        $course_info = null,
 | 
						|
        $session_id = 0,
 | 
						|
        $course_id = 0,
 | 
						|
        $only_active_exercises = true
 | 
						|
    ) {
 | 
						|
        $table = Database::get_course_table(TABLE_QUIZ_TEST);
 | 
						|
 | 
						|
        if ($only_active_exercises) {
 | 
						|
            // Only active exercises.
 | 
						|
            $sql_active_exercises = "active = 1 AND ";
 | 
						|
        } else {
 | 
						|
            // Not only active means visible and invisible NOT deleted (-2)
 | 
						|
            $sql_active_exercises = "active IN (1, 0) AND ";
 | 
						|
        }
 | 
						|
 | 
						|
        if ($session_id == -1) {
 | 
						|
            $session_id = 0;
 | 
						|
        }
 | 
						|
 | 
						|
        $params = [
 | 
						|
            $session_id,
 | 
						|
            $course_id,
 | 
						|
        ];
 | 
						|
 | 
						|
        if (empty($session_id)) {
 | 
						|
            $conditions = [
 | 
						|
                'where' => ["$sql_active_exercises (session_id = 0 OR session_id IS NULL) AND c_id = ?" => [$course_id]],
 | 
						|
                'order' => 'title',
 | 
						|
            ];
 | 
						|
        } else {
 | 
						|
            // All exercises
 | 
						|
            $conditions = [
 | 
						|
                'where' => ["$sql_active_exercises (session_id = 0 OR session_id IS NULL OR session_id = ? ) AND c_id=?" => $params],
 | 
						|
                'order' => 'title',
 | 
						|
            ];
 | 
						|
        }
 | 
						|
 | 
						|
        return Database::select('*', $table, $conditions);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Gets the position of the score based in a given score (result/weight)
 | 
						|
     * and the exe_id based in the user list
 | 
						|
     * (NO Exercises in LPs ).
 | 
						|
     *
 | 
						|
     * @param float  $my_score      user score to be compared *attention*
 | 
						|
     *                              $my_score = score/weight and not just the score
 | 
						|
     * @param int    $my_exe_id     exe id of the exercise
 | 
						|
     *                              (this is necessary because if 2 students have the same score the one
 | 
						|
     *                              with the minor exe_id will have a best position, just to be fair and FIFO)
 | 
						|
     * @param int    $exercise_id
 | 
						|
     * @param string $course_code
 | 
						|
     * @param int    $session_id
 | 
						|
     * @param array  $user_list
 | 
						|
     * @param bool   $return_string
 | 
						|
     *
 | 
						|
     * @return int the position of the user between his friends in a course
 | 
						|
     *             (or course within a session)
 | 
						|
     */
 | 
						|
    public static function get_exercise_result_ranking(
 | 
						|
        $my_score,
 | 
						|
        $my_exe_id,
 | 
						|
        $exercise_id,
 | 
						|
        $course_code,
 | 
						|
        $session_id = 0,
 | 
						|
        $user_list = [],
 | 
						|
        $return_string = true
 | 
						|
    ) {
 | 
						|
        //No score given we return
 | 
						|
        if (is_null($my_score)) {
 | 
						|
            return '-';
 | 
						|
        }
 | 
						|
        if (empty($user_list)) {
 | 
						|
            return '-';
 | 
						|
        }
 | 
						|
 | 
						|
        $best_attempts = [];
 | 
						|
        foreach ($user_list as $user_data) {
 | 
						|
            $user_id = $user_data['user_id'];
 | 
						|
            $best_attempts[$user_id] = self::get_best_attempt_by_user(
 | 
						|
                $user_id,
 | 
						|
                $exercise_id,
 | 
						|
                $course_code,
 | 
						|
                $session_id
 | 
						|
            );
 | 
						|
        }
 | 
						|
 | 
						|
        if (empty($best_attempts)) {
 | 
						|
            return 1;
 | 
						|
        } else {
 | 
						|
            $position = 1;
 | 
						|
            $my_ranking = [];
 | 
						|
            foreach ($best_attempts as $user_id => $result) {
 | 
						|
                if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) {
 | 
						|
                    $my_ranking[$user_id] = $result['exe_result'] / $result['exe_weighting'];
 | 
						|
                } else {
 | 
						|
                    $my_ranking[$user_id] = 0;
 | 
						|
                }
 | 
						|
            }
 | 
						|
            //if (!empty($my_ranking)) {
 | 
						|
            asort($my_ranking);
 | 
						|
            $position = count($my_ranking);
 | 
						|
            if (!empty($my_ranking)) {
 | 
						|
                foreach ($my_ranking as $user_id => $ranking) {
 | 
						|
                    if ($my_score >= $ranking) {
 | 
						|
                        if ($my_score == $ranking && isset($best_attempts[$user_id]['exe_id'])) {
 | 
						|
                            $exe_id = $best_attempts[$user_id]['exe_id'];
 | 
						|
                            if ($my_exe_id < $exe_id) {
 | 
						|
                                $position--;
 | 
						|
                            }
 | 
						|
                        } else {
 | 
						|
                            $position--;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
            //}
 | 
						|
            $return_value = [
 | 
						|
                'position' => $position,
 | 
						|
                'count' => count($my_ranking),
 | 
						|
            ];
 | 
						|
 | 
						|
            if ($return_string) {
 | 
						|
                if (!empty($position) && !empty($my_ranking)) {
 | 
						|
                    $return_value = $position.'/'.count($my_ranking);
 | 
						|
                } else {
 | 
						|
                    $return_value = '-';
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            return $return_value;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Gets the position of the score based in a given score (result/weight) and the exe_id based in all attempts
 | 
						|
     * (NO Exercises in LPs ) old functionality by attempt.
 | 
						|
     *
 | 
						|
     * @param   float   user score to be compared attention => score/weight
 | 
						|
     * @param   int     exe id of the exercise
 | 
						|
     * (this is necessary because if 2 students have the same score the one
 | 
						|
     * with the minor exe_id will have a best position, just to be fair and FIFO)
 | 
						|
     * @param   int     exercise id
 | 
						|
     * @param   string  course code
 | 
						|
     * @param   int     session id
 | 
						|
     * @param bool $return_string
 | 
						|
     *
 | 
						|
     * @return int the position of the user between his friends in a course (or course within a session)
 | 
						|
     */
 | 
						|
    public static function get_exercise_result_ranking_by_attempt(
 | 
						|
        $my_score,
 | 
						|
        $my_exe_id,
 | 
						|
        $exercise_id,
 | 
						|
        $courseId,
 | 
						|
        $session_id = 0,
 | 
						|
        $return_string = true
 | 
						|
    ) {
 | 
						|
        if (empty($session_id)) {
 | 
						|
            $session_id = 0;
 | 
						|
        }
 | 
						|
        if (is_null($my_score)) {
 | 
						|
            return '-';
 | 
						|
        }
 | 
						|
        $user_results = Event::get_all_exercise_results(
 | 
						|
            $exercise_id,
 | 
						|
            $courseId,
 | 
						|
            $session_id,
 | 
						|
            false
 | 
						|
        );
 | 
						|
        $position_data = [];
 | 
						|
        if (empty($user_results)) {
 | 
						|
            return 1;
 | 
						|
        } else {
 | 
						|
            $position = 1;
 | 
						|
            $my_ranking = [];
 | 
						|
            foreach ($user_results as $result) {
 | 
						|
                if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) {
 | 
						|
                    $my_ranking[$result['exe_id']] = $result['exe_result'] / $result['exe_weighting'];
 | 
						|
                } else {
 | 
						|
                    $my_ranking[$result['exe_id']] = 0;
 | 
						|
                }
 | 
						|
            }
 | 
						|
            asort($my_ranking);
 | 
						|
            $position = count($my_ranking);
 | 
						|
            if (!empty($my_ranking)) {
 | 
						|
                foreach ($my_ranking as $exe_id => $ranking) {
 | 
						|
                    if ($my_score >= $ranking) {
 | 
						|
                        if ($my_score == $ranking) {
 | 
						|
                            if ($my_exe_id < $exe_id) {
 | 
						|
                                $position--;
 | 
						|
                            }
 | 
						|
                        } else {
 | 
						|
                            $position--;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
            $return_value = [
 | 
						|
                'position' => $position,
 | 
						|
                'count' => count($my_ranking),
 | 
						|
            ];
 | 
						|
 | 
						|
            if ($return_string) {
 | 
						|
                if (!empty($position) && !empty($my_ranking)) {
 | 
						|
                    return $position.'/'.count($my_ranking);
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            return $return_value;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get the best attempt in a exercise (NO Exercises in LPs ).
 | 
						|
     *
 | 
						|
     * @param int $exercise_id
 | 
						|
     * @param int $courseId
 | 
						|
     * @param int $session_id
 | 
						|
     *
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public static function get_best_attempt_in_course($exercise_id, $courseId, $session_id)
 | 
						|
    {
 | 
						|
        $user_results = Event::get_all_exercise_results(
 | 
						|
            $exercise_id,
 | 
						|
            $courseId,
 | 
						|
            $session_id,
 | 
						|
            false
 | 
						|
        );
 | 
						|
 | 
						|
        $best_score_data = [];
 | 
						|
        $best_score = 0;
 | 
						|
        if (!empty($user_results)) {
 | 
						|
            foreach ($user_results as $result) {
 | 
						|
                if (!empty($result['exe_weighting']) &&
 | 
						|
                    intval($result['exe_weighting']) != 0
 | 
						|
                ) {
 | 
						|
                    $score = $result['exe_result'] / $result['exe_weighting'];
 | 
						|
                    if ($score >= $best_score) {
 | 
						|
                        $best_score = $score;
 | 
						|
                        $best_score_data = $result;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        return $best_score_data;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get the best score in a exercise (NO Exercises in LPs ).
 | 
						|
     *
 | 
						|
     * @param int $user_id
 | 
						|
     * @param int $exercise_id
 | 
						|
     * @param int $courseId
 | 
						|
     * @param int $session_id
 | 
						|
     *
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public static function get_best_attempt_by_user(
 | 
						|
        $user_id,
 | 
						|
        $exercise_id,
 | 
						|
        $courseId,
 | 
						|
        $session_id
 | 
						|
    ) {
 | 
						|
        $user_results = Event::get_all_exercise_results(
 | 
						|
            $exercise_id,
 | 
						|
            $courseId,
 | 
						|
            $session_id,
 | 
						|
            false,
 | 
						|
            $user_id
 | 
						|
        );
 | 
						|
        $best_score_data = [];
 | 
						|
        $best_score = 0;
 | 
						|
        if (!empty($user_results)) {
 | 
						|
            foreach ($user_results as $result) {
 | 
						|
                if (!empty($result['exe_weighting']) && (float) $result['exe_weighting'] != 0) {
 | 
						|
                    $score = $result['exe_result'] / $result['exe_weighting'];
 | 
						|
                    if ($score >= $best_score) {
 | 
						|
                        $best_score = $score;
 | 
						|
                        $best_score_data = $result;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        return $best_score_data;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get average score (NO Exercises in LPs ).
 | 
						|
     *
 | 
						|
     * @param    int    exercise id
 | 
						|
     * @param int $courseId
 | 
						|
     * @param    int    session id
 | 
						|
     *
 | 
						|
     * @return float Average score
 | 
						|
     */
 | 
						|
    public static function get_average_score($exercise_id, $courseId, $session_id)
 | 
						|
    {
 | 
						|
        $user_results = Event::get_all_exercise_results(
 | 
						|
            $exercise_id,
 | 
						|
            $courseId,
 | 
						|
            $session_id
 | 
						|
        );
 | 
						|
        $avg_score = 0;
 | 
						|
        if (!empty($user_results)) {
 | 
						|
            foreach ($user_results as $result) {
 | 
						|
                if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) {
 | 
						|
                    $score = $result['exe_result'] / $result['exe_weighting'];
 | 
						|
                    $avg_score += $score;
 | 
						|
                }
 | 
						|
            }
 | 
						|
            $avg_score = float_format($avg_score / count($user_results), 1);
 | 
						|
        }
 | 
						|
 | 
						|
        return $avg_score;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get average score by score (NO Exercises in LPs ).
 | 
						|
     *
 | 
						|
     * @param int $courseId
 | 
						|
     * @param    int    session id
 | 
						|
     *
 | 
						|
     * @return float Average score
 | 
						|
     */
 | 
						|
    public static function get_average_score_by_course($courseId, $session_id)
 | 
						|
    {
 | 
						|
        $user_results = Event::get_all_exercise_results_by_course(
 | 
						|
            $courseId,
 | 
						|
            $session_id,
 | 
						|
            false
 | 
						|
        );
 | 
						|
        $avg_score = 0;
 | 
						|
        if (!empty($user_results)) {
 | 
						|
            foreach ($user_results as $result) {
 | 
						|
                if (!empty($result['exe_weighting']) && intval(
 | 
						|
                        $result['exe_weighting']
 | 
						|
                    ) != 0
 | 
						|
                ) {
 | 
						|
                    $score = $result['exe_result'] / $result['exe_weighting'];
 | 
						|
                    $avg_score += $score;
 | 
						|
                }
 | 
						|
            }
 | 
						|
            // We assume that all exe_weighting
 | 
						|
            $avg_score = $avg_score / count($user_results);
 | 
						|
        }
 | 
						|
 | 
						|
        return $avg_score;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param int $user_id
 | 
						|
     * @param int $courseId
 | 
						|
     * @param int $session_id
 | 
						|
     *
 | 
						|
     * @return float|int
 | 
						|
     */
 | 
						|
    public static function get_average_score_by_course_by_user(
 | 
						|
        $user_id,
 | 
						|
        $courseId,
 | 
						|
        $session_id
 | 
						|
    ) {
 | 
						|
        $user_results = Event::get_all_exercise_results_by_user(
 | 
						|
            $user_id,
 | 
						|
            $courseId,
 | 
						|
            $session_id
 | 
						|
        );
 | 
						|
        $avg_score = 0;
 | 
						|
        if (!empty($user_results)) {
 | 
						|
            foreach ($user_results as $result) {
 | 
						|
                if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) {
 | 
						|
                    $score = $result['exe_result'] / $result['exe_weighting'];
 | 
						|
                    $avg_score += $score;
 | 
						|
                }
 | 
						|
            }
 | 
						|
            // We assume that all exe_weighting
 | 
						|
            $avg_score = ($avg_score / count($user_results));
 | 
						|
        }
 | 
						|
 | 
						|
        return $avg_score;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get average score by score (NO Exercises in LPs ).
 | 
						|
     *
 | 
						|
     * @param int $exercise_id
 | 
						|
     * @param int $courseId
 | 
						|
     * @param int $session_id
 | 
						|
     * @param int $user_count
 | 
						|
     *
 | 
						|
     * @return float Best average score
 | 
						|
     */
 | 
						|
    public static function get_best_average_score_by_exercise(
 | 
						|
        $exercise_id,
 | 
						|
        $courseId,
 | 
						|
        $session_id,
 | 
						|
        $user_count
 | 
						|
    ) {
 | 
						|
        $user_results = Event::get_best_exercise_results_by_user(
 | 
						|
            $exercise_id,
 | 
						|
            $courseId,
 | 
						|
            $session_id
 | 
						|
        );
 | 
						|
        $avg_score = 0;
 | 
						|
        if (!empty($user_results)) {
 | 
						|
            foreach ($user_results as $result) {
 | 
						|
                if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) {
 | 
						|
                    $score = $result['exe_result'] / $result['exe_weighting'];
 | 
						|
                    $avg_score += $score;
 | 
						|
                }
 | 
						|
            }
 | 
						|
            // We asumme that all exe_weighting
 | 
						|
            if (!empty($user_count)) {
 | 
						|
                $avg_score = float_format($avg_score / $user_count, 1) * 100;
 | 
						|
            } else {
 | 
						|
                $avg_score = 0;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        return $avg_score;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get average score by score (NO Exercises in LPs ).
 | 
						|
     *
 | 
						|
     * @param int $exercise_id
 | 
						|
     * @param int $courseId
 | 
						|
     * @param int $session_id
 | 
						|
     *
 | 
						|
     * @return float Best average score
 | 
						|
     */
 | 
						|
    public static function getBestScoreByExercise(
 | 
						|
        $exercise_id,
 | 
						|
        $courseId,
 | 
						|
        $session_id
 | 
						|
    ) {
 | 
						|
        $user_results = Event::get_best_exercise_results_by_user(
 | 
						|
            $exercise_id,
 | 
						|
            $courseId,
 | 
						|
            $session_id
 | 
						|
        );
 | 
						|
        $avg_score = 0;
 | 
						|
        if (!empty($user_results)) {
 | 
						|
            foreach ($user_results as $result) {
 | 
						|
                if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) {
 | 
						|
                    $score = $result['exe_result'] / $result['exe_weighting'];
 | 
						|
                    $avg_score += $score;
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        return $avg_score;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param string $course_code
 | 
						|
     * @param int    $session_id
 | 
						|
     *
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public static function get_exercises_to_be_taken($course_code, $session_id)
 | 
						|
    {
 | 
						|
        $course_info = api_get_course_info($course_code);
 | 
						|
        $exercises = self::get_all_exercises($course_info, $session_id);
 | 
						|
        $result = [];
 | 
						|
        $now = time() + 15 * 24 * 60 * 60;
 | 
						|
        foreach ($exercises as $exercise_item) {
 | 
						|
            if (isset($exercise_item['end_time']) &&
 | 
						|
                !empty($exercise_item['end_time']) &&
 | 
						|
                api_strtotime($exercise_item['end_time'], 'UTC') < $now
 | 
						|
            ) {
 | 
						|
                $result[] = $exercise_item;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        return $result;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get student results (only in completed exercises) stats by question.
 | 
						|
     *
 | 
						|
     * @param int    $question_id
 | 
						|
     * @param int    $exercise_id
 | 
						|
     * @param string $course_code
 | 
						|
     * @param int    $session_id
 | 
						|
     * @param bool   $onlyStudent Filter only enrolled students
 | 
						|
     *
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public static function get_student_stats_by_question(
 | 
						|
        $question_id,
 | 
						|
        $exercise_id,
 | 
						|
        $course_code,
 | 
						|
        $session_id,
 | 
						|
        $onlyStudent = false
 | 
						|
    ) {
 | 
						|
        $track_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
 | 
						|
        $track_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
 | 
						|
        $courseUser = Database::get_main_table(TABLE_MAIN_COURSE_USER);
 | 
						|
 | 
						|
        $question_id = (int) $question_id;
 | 
						|
        $exercise_id = (int) $exercise_id;
 | 
						|
        $course_code = Database::escape_string($course_code);
 | 
						|
        $session_id = (int) $session_id;
 | 
						|
        $courseId = api_get_course_int_id($course_code);
 | 
						|
 | 
						|
        $sql = "SELECT MAX(marks) as max, MIN(marks) as min, AVG(marks) as average
 | 
						|
    		FROM $track_exercises e
 | 
						|
    		";
 | 
						|
        if (true == $onlyStudent) {
 | 
						|
            $courseCondition = '';
 | 
						|
            if (empty($session_id)) {
 | 
						|
                $courseCondition = "
 | 
						|
            INNER JOIN $courseUser c
 | 
						|
            ON (
 | 
						|
                        e.exe_user_id = c.user_id AND
 | 
						|
                        e.c_id = c.c_id AND
 | 
						|
                        c.status = ".STUDENT."
 | 
						|
                        AND relation_type <> 2
 | 
						|
                )";
 | 
						|
            } else {
 | 
						|
                $courseCondition = "
 | 
						|
            INNER JOIN $courseUser c
 | 
						|
            ON (
 | 
						|
                        e.exe_user_id = c.user_id AND
 | 
						|
                        e.c_id = c.c_id AND
 | 
						|
                        c.status = 0
 | 
						|
                )";
 | 
						|
            }
 | 
						|
            $sql .= $courseCondition;
 | 
						|
        }
 | 
						|
        $sql .= "
 | 
						|
            INNER JOIN $track_attempt a
 | 
						|
    		ON (
 | 
						|
    		    a.exe_id = e.exe_id AND
 | 
						|
    		    e.c_id = a.c_id AND
 | 
						|
    		    e.session_id  = a.session_id
 | 
						|
            )
 | 
						|
    		WHERE
 | 
						|
    		    exe_exo_id 	= $exercise_id AND
 | 
						|
                a.c_id = $courseId AND
 | 
						|
                e.session_id = $session_id AND
 | 
						|
                question_id = $question_id AND
 | 
						|
                e.status = ''
 | 
						|
            LIMIT 1";
 | 
						|
        $result = Database::query($sql);
 | 
						|
        $return = [];
 | 
						|
        if ($result) {
 | 
						|
            $return = Database::fetch_array($result, 'ASSOC');
 | 
						|
        }
 | 
						|
 | 
						|
        return $return;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get the correct answer count for a fill blanks question.
 | 
						|
     *
 | 
						|
     * @param int $question_id
 | 
						|
     * @param int $exercise_id
 | 
						|
     *
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public static function getNumberStudentsFillBlanksAnswerCount(
 | 
						|
        $question_id,
 | 
						|
        $exercise_id
 | 
						|
    ) {
 | 
						|
        $listStudentsId = [];
 | 
						|
        $listAllStudentInfo = CourseManager::get_student_list_from_course_code(
 | 
						|
            api_get_course_id(),
 | 
						|
            true
 | 
						|
        );
 | 
						|
        foreach ($listAllStudentInfo as $i => $listStudentInfo) {
 | 
						|
            $listStudentsId[] = $listStudentInfo['user_id'];
 | 
						|
        }
 | 
						|
 | 
						|
        $listFillTheBlankResult = FillBlanks::getFillTheBlankResult(
 | 
						|
            $exercise_id,
 | 
						|
            $question_id,
 | 
						|
            $listStudentsId,
 | 
						|
            '1970-01-01',
 | 
						|
            '3000-01-01'
 | 
						|
        );
 | 
						|
 | 
						|
        $arrayCount = [];
 | 
						|
 | 
						|
        foreach ($listFillTheBlankResult as $resultCount) {
 | 
						|
            foreach ($resultCount as $index => $count) {
 | 
						|
                //this is only for declare the array index per answer
 | 
						|
                $arrayCount[$index] = 0;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        foreach ($listFillTheBlankResult as $resultCount) {
 | 
						|
            foreach ($resultCount as $index => $count) {
 | 
						|
                $count = ($count === 0) ? 1 : 0;
 | 
						|
                $arrayCount[$index] += $count;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        return $arrayCount;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get the number of questions with answers.
 | 
						|
     *
 | 
						|
     * @param int    $question_id
 | 
						|
     * @param int    $exercise_id
 | 
						|
     * @param string $course_code
 | 
						|
     * @param int    $session_id
 | 
						|
     * @param string $questionType
 | 
						|
     *
 | 
						|
     * @return int
 | 
						|
     */
 | 
						|
    public static function get_number_students_question_with_answer_count(
 | 
						|
        $question_id,
 | 
						|
        $exercise_id,
 | 
						|
        $course_code,
 | 
						|
        $session_id,
 | 
						|
        $questionType = ''
 | 
						|
    ) {
 | 
						|
        $track_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
 | 
						|
        $track_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
 | 
						|
        $courseUser = Database::get_main_table(TABLE_MAIN_COURSE_USER);
 | 
						|
        $courseTable = Database::get_main_table(TABLE_MAIN_COURSE);
 | 
						|
        $courseUserSession = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
 | 
						|
 | 
						|
        $question_id = intval($question_id);
 | 
						|
        $exercise_id = intval($exercise_id);
 | 
						|
        $courseId = api_get_course_int_id($course_code);
 | 
						|
        $session_id = intval($session_id);
 | 
						|
 | 
						|
        if ($questionType == FILL_IN_BLANKS) {
 | 
						|
            $listStudentsId = [];
 | 
						|
            $listAllStudentInfo = CourseManager::get_student_list_from_course_code(
 | 
						|
                api_get_course_id(),
 | 
						|
                true
 | 
						|
            );
 | 
						|
            foreach ($listAllStudentInfo as $i => $listStudentInfo) {
 | 
						|
                $listStudentsId[] = $listStudentInfo['user_id'];
 | 
						|
            }
 | 
						|
 | 
						|
            $listFillTheBlankResult = FillBlanks::getFillTheBlankResult(
 | 
						|
                $exercise_id,
 | 
						|
                $question_id,
 | 
						|
                $listStudentsId,
 | 
						|
                '1970-01-01',
 | 
						|
                '3000-01-01'
 | 
						|
            );
 | 
						|
 | 
						|
            return FillBlanks::getNbResultFillBlankAll($listFillTheBlankResult);
 | 
						|
        }
 | 
						|
 | 
						|
        if (empty($session_id)) {
 | 
						|
            $courseCondition = "
 | 
						|
            INNER JOIN $courseUser cu
 | 
						|
            ON cu.c_id = c.id AND cu.user_id  = exe_user_id";
 | 
						|
            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = ".STUDENT;
 | 
						|
        } else {
 | 
						|
            $courseCondition = "
 | 
						|
            INNER JOIN $courseUserSession cu
 | 
						|
            ON cu.c_id = c.id AND cu.user_id = exe_user_id";
 | 
						|
            $courseConditionWhere = " AND cu.status = 0 ";
 | 
						|
        }
 | 
						|
 | 
						|
        $sql = "SELECT DISTINCT exe_user_id
 | 
						|
    		FROM $track_exercises e
 | 
						|
    		INNER JOIN $track_attempt a
 | 
						|
    		ON (
 | 
						|
    		    a.exe_id = e.exe_id AND
 | 
						|
    		    e.c_id = a.c_id AND
 | 
						|
    		    e.session_id  = a.session_id
 | 
						|
            )
 | 
						|
            INNER JOIN $courseTable c
 | 
						|
            ON (c.id = a.c_id)
 | 
						|
    		$courseCondition
 | 
						|
    		WHERE
 | 
						|
    		    exe_exo_id = $exercise_id AND
 | 
						|
                a.c_id = $courseId AND
 | 
						|
                e.session_id = $session_id AND
 | 
						|
                question_id = $question_id AND
 | 
						|
                answer <> '0' AND
 | 
						|
                e.status = ''
 | 
						|
                $courseConditionWhere
 | 
						|
            ";
 | 
						|
        $result = Database::query($sql);
 | 
						|
        $return = 0;
 | 
						|
        if ($result) {
 | 
						|
            $return = Database::num_rows($result);
 | 
						|
        }
 | 
						|
 | 
						|
        return $return;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get number of answers to hotspot questions.
 | 
						|
     *
 | 
						|
     * @param int    $answer_id
 | 
						|
     * @param int    $question_id
 | 
						|
     * @param int    $exercise_id
 | 
						|
     * @param string $course_code
 | 
						|
     * @param int    $session_id
 | 
						|
     *
 | 
						|
     * @return int
 | 
						|
     */
 | 
						|
    public static function get_number_students_answer_hotspot_count(
 | 
						|
        $answer_id,
 | 
						|
        $question_id,
 | 
						|
        $exercise_id,
 | 
						|
        $course_code,
 | 
						|
        $session_id
 | 
						|
    ) {
 | 
						|
        $track_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
 | 
						|
        $track_hotspot = Database::get_main_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
 | 
						|
        $courseUser = Database::get_main_table(TABLE_MAIN_COURSE_USER);
 | 
						|
        $courseTable = Database::get_main_table(TABLE_MAIN_COURSE);
 | 
						|
        $courseUserSession = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
 | 
						|
 | 
						|
        $question_id = (int) $question_id;
 | 
						|
        $answer_id = (int) $answer_id;
 | 
						|
        $exercise_id = (int) $exercise_id;
 | 
						|
        $course_code = Database::escape_string($course_code);
 | 
						|
        $session_id = (int) $session_id;
 | 
						|
 | 
						|
        if (empty($session_id)) {
 | 
						|
            $courseCondition = "
 | 
						|
            INNER JOIN $courseUser cu
 | 
						|
            ON cu.c_id = c.id AND cu.user_id  = exe_user_id";
 | 
						|
            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = ".STUDENT;
 | 
						|
        } else {
 | 
						|
            $courseCondition = "
 | 
						|
            INNER JOIN $courseUserSession cu
 | 
						|
            ON cu.c_id = c.id AND cu.user_id = exe_user_id";
 | 
						|
            $courseConditionWhere = ' AND cu.status = 0 ';
 | 
						|
        }
 | 
						|
 | 
						|
        $sql = "SELECT DISTINCT exe_user_id
 | 
						|
    		FROM $track_exercises e
 | 
						|
    		INNER JOIN $track_hotspot a
 | 
						|
    		ON (a.hotspot_exe_id = e.exe_id)
 | 
						|
    		INNER JOIN $courseTable c
 | 
						|
    		ON (hotspot_course_code = c.code)
 | 
						|
    		$courseCondition
 | 
						|
    		WHERE
 | 
						|
    		    exe_exo_id              = $exercise_id AND
 | 
						|
                a.hotspot_course_code 	= '$course_code' AND
 | 
						|
                e.session_id            = $session_id AND
 | 
						|
                hotspot_answer_id       = $answer_id AND
 | 
						|
                hotspot_question_id     = $question_id AND
 | 
						|
                hotspot_correct         =  1 AND
 | 
						|
                e.status                = ''
 | 
						|
                $courseConditionWhere
 | 
						|
            ";
 | 
						|
 | 
						|
        $result = Database::query($sql);
 | 
						|
        $return = 0;
 | 
						|
        if ($result) {
 | 
						|
            $return = Database::num_rows($result);
 | 
						|
        }
 | 
						|
 | 
						|
        return $return;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param int    $answer_id
 | 
						|
     * @param int    $question_id
 | 
						|
     * @param int    $exercise_id
 | 
						|
     * @param string $course_code
 | 
						|
     * @param int    $session_id
 | 
						|
     * @param string $question_type
 | 
						|
     * @param string $correct_answer
 | 
						|
     * @param string $current_answer
 | 
						|
     *
 | 
						|
     * @return int
 | 
						|
     */
 | 
						|
    public static function get_number_students_answer_count(
 | 
						|
        $answer_id,
 | 
						|
        $question_id,
 | 
						|
        $exercise_id,
 | 
						|
        $course_code,
 | 
						|
        $session_id,
 | 
						|
        $question_type = null,
 | 
						|
        $correct_answer = null,
 | 
						|
        $current_answer = null
 | 
						|
    ) {
 | 
						|
        $track_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
 | 
						|
        $track_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
 | 
						|
        $courseTable = Database::get_main_table(TABLE_MAIN_COURSE);
 | 
						|
        $courseUser = Database::get_main_table(TABLE_MAIN_COURSE_USER);
 | 
						|
        $courseUserSession = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
 | 
						|
 | 
						|
        $question_id = (int) $question_id;
 | 
						|
        $answer_id = (int) $answer_id;
 | 
						|
        $exercise_id = (int) $exercise_id;
 | 
						|
        $courseId = api_get_course_int_id($course_code);
 | 
						|
        $session_id = (int) $session_id;
 | 
						|
 | 
						|
        switch ($question_type) {
 | 
						|
            case FILL_IN_BLANKS:
 | 
						|
                $answer_condition = '';
 | 
						|
                $select_condition = ' e.exe_id, answer ';
 | 
						|
                break;
 | 
						|
            case MATCHING:
 | 
						|
            case MATCHING_DRAGGABLE:
 | 
						|
            default:
 | 
						|
                $answer_condition = " answer = $answer_id AND ";
 | 
						|
                $select_condition = ' DISTINCT exe_user_id ';
 | 
						|
        }
 | 
						|
 | 
						|
        if (empty($session_id)) {
 | 
						|
            $courseCondition = "
 | 
						|
            INNER JOIN $courseUser cu
 | 
						|
            ON cu.c_id = c.id AND cu.user_id  = exe_user_id";
 | 
						|
            $courseConditionWhere = " AND relation_type <> 2 AND cu.status = ".STUDENT;
 | 
						|
        } else {
 | 
						|
            $courseCondition = "
 | 
						|
            INNER JOIN $courseUserSession cu
 | 
						|
            ON cu.c_id = a.c_id AND cu.user_id = exe_user_id";
 | 
						|
            $courseConditionWhere = ' AND cu.status = 0 ';
 | 
						|
        }
 | 
						|
 | 
						|
        $sql = "SELECT $select_condition
 | 
						|
    		FROM $track_exercises e
 | 
						|
    		INNER JOIN $track_attempt a
 | 
						|
    		ON (
 | 
						|
    		    a.exe_id = e.exe_id AND
 | 
						|
    		    e.c_id = a.c_id AND
 | 
						|
    		    e.session_id  = a.session_id
 | 
						|
            )
 | 
						|
            INNER JOIN $courseTable c
 | 
						|
            ON c.id = a.c_id
 | 
						|
    		$courseCondition
 | 
						|
    		WHERE
 | 
						|
    		    exe_exo_id = $exercise_id AND
 | 
						|
                a.c_id = $courseId AND
 | 
						|
                e.session_id = $session_id AND
 | 
						|
                $answer_condition
 | 
						|
                question_id = $question_id AND
 | 
						|
                e.status = ''
 | 
						|
                $courseConditionWhere
 | 
						|
            ";
 | 
						|
        $result = Database::query($sql);
 | 
						|
        $return = 0;
 | 
						|
        if ($result) {
 | 
						|
            $good_answers = 0;
 | 
						|
            switch ($question_type) {
 | 
						|
                case FILL_IN_BLANKS:
 | 
						|
                    while ($row = Database::fetch_array($result, 'ASSOC')) {
 | 
						|
                        $fill_blank = self::check_fill_in_blanks(
 | 
						|
                            $correct_answer,
 | 
						|
                            $row['answer'],
 | 
						|
                            $current_answer
 | 
						|
                        );
 | 
						|
                        if (isset($fill_blank[$current_answer]) && $fill_blank[$current_answer] == 1) {
 | 
						|
                            $good_answers++;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
 | 
						|
                    return $good_answers;
 | 
						|
                    break;
 | 
						|
                case MATCHING:
 | 
						|
                case MATCHING_DRAGGABLE:
 | 
						|
                default:
 | 
						|
                    $return = Database::num_rows($result);
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        return $return;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param array  $answer
 | 
						|
     * @param string $user_answer
 | 
						|
     *
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public static function check_fill_in_blanks($answer, $user_answer, $current_answer)
 | 
						|
    {
 | 
						|
        // the question is encoded like this
 | 
						|
        // [A] B [C] D [E] F::10,10,10@1
 | 
						|
        // number 1 before the "@" means that is a switchable fill in blank question
 | 
						|
        // [A] B [C] D [E] F::10,10,10@ or  [A] B [C] D [E] F::10,10,10
 | 
						|
        // means that is a normal fill blank question
 | 
						|
        // first we explode the "::"
 | 
						|
        $pre_array = explode('::', $answer);
 | 
						|
        // is switchable fill blank or not
 | 
						|
        $last = count($pre_array) - 1;
 | 
						|
        $is_set_switchable = explode('@', $pre_array[$last]);
 | 
						|
        $switchable_answer_set = false;
 | 
						|
        if (isset($is_set_switchable[1]) && $is_set_switchable[1] == 1) {
 | 
						|
            $switchable_answer_set = true;
 | 
						|
        }
 | 
						|
        $answer = '';
 | 
						|
        for ($k = 0; $k < $last; $k++) {
 | 
						|
            $answer .= $pre_array[$k];
 | 
						|
        }
 | 
						|
        // splits weightings that are joined with a comma
 | 
						|
        $answerWeighting = explode(',', $is_set_switchable[0]);
 | 
						|
 | 
						|
        // we save the answer because it will be modified
 | 
						|
        //$temp = $answer;
 | 
						|
        $temp = $answer;
 | 
						|
 | 
						|
        $answer = '';
 | 
						|
        $j = 0;
 | 
						|
        //initialise answer tags
 | 
						|
        $user_tags = $correct_tags = $real_text = [];
 | 
						|
        // the loop will stop at the end of the text
 | 
						|
        while (1) {
 | 
						|
            // quits the loop if there are no more blanks (detect '[')
 | 
						|
            if (($pos = api_strpos($temp, '[')) === false) {
 | 
						|
                // adds the end of the text
 | 
						|
                $answer = $temp;
 | 
						|
                $real_text[] = $answer;
 | 
						|
                break; //no more "blanks", quit the loop
 | 
						|
            }
 | 
						|
            // adds the piece of text that is before the blank
 | 
						|
            //and ends with '[' into a general storage array
 | 
						|
            $real_text[] = api_substr($temp, 0, $pos + 1);
 | 
						|
            $answer .= api_substr($temp, 0, $pos + 1);
 | 
						|
            //take the string remaining (after the last "[" we found)
 | 
						|
            $temp = api_substr($temp, $pos + 1);
 | 
						|
            // quit the loop if there are no more blanks, and update $pos to the position of next ']'
 | 
						|
            if (($pos = api_strpos($temp, ']')) === false) {
 | 
						|
                // adds the end of the text
 | 
						|
                $answer .= $temp;
 | 
						|
                break;
 | 
						|
            }
 | 
						|
 | 
						|
            $str = $user_answer;
 | 
						|
 | 
						|
            preg_match_all('#\[([^[]*)\]#', $str, $arr);
 | 
						|
            $str = str_replace('\r\n', '', $str);
 | 
						|
            $choices = $arr[1];
 | 
						|
            $choice = [];
 | 
						|
            $check = false;
 | 
						|
            $i = 0;
 | 
						|
            foreach ($choices as $item) {
 | 
						|
                if ($current_answer === $item) {
 | 
						|
                    $check = true;
 | 
						|
                }
 | 
						|
                if ($check) {
 | 
						|
                    $choice[] = $item;
 | 
						|
                    $i++;
 | 
						|
                }
 | 
						|
                if ($i == 3) {
 | 
						|
                    break;
 | 
						|
                }
 | 
						|
            }
 | 
						|
            $tmp = api_strrpos($choice[$j], ' / ');
 | 
						|
 | 
						|
            if ($tmp !== false) {
 | 
						|
                $choice[$j] = api_substr($choice[$j], 0, $tmp);
 | 
						|
            }
 | 
						|
 | 
						|
            $choice[$j] = trim($choice[$j]);
 | 
						|
 | 
						|
            //Needed to let characters ' and " to work as part of an answer
 | 
						|
            $choice[$j] = stripslashes($choice[$j]);
 | 
						|
 | 
						|
            $user_tags[] = api_strtolower($choice[$j]);
 | 
						|
            //put the contents of the [] answer tag into correct_tags[]
 | 
						|
            $correct_tags[] = api_strtolower(api_substr($temp, 0, $pos));
 | 
						|
            $j++;
 | 
						|
            $temp = api_substr($temp, $pos + 1);
 | 
						|
        }
 | 
						|
 | 
						|
        $answer = '';
 | 
						|
        $real_correct_tags = $correct_tags;
 | 
						|
        $chosen_list = [];
 | 
						|
        $good_answer = [];
 | 
						|
 | 
						|
        for ($i = 0; $i < count($real_correct_tags); $i++) {
 | 
						|
            if (!$switchable_answer_set) {
 | 
						|
                //needed to parse ' and " characters
 | 
						|
                $user_tags[$i] = stripslashes($user_tags[$i]);
 | 
						|
                if ($correct_tags[$i] == $user_tags[$i]) {
 | 
						|
                    $good_answer[$correct_tags[$i]] = 1;
 | 
						|
                } elseif (!empty($user_tags[$i])) {
 | 
						|
                    $good_answer[$correct_tags[$i]] = 0;
 | 
						|
                } else {
 | 
						|
                    $good_answer[$correct_tags[$i]] = 0;
 | 
						|
                }
 | 
						|
            } else {
 | 
						|
                // switchable fill in the blanks
 | 
						|
                if (in_array($user_tags[$i], $correct_tags)) {
 | 
						|
                    $correct_tags = array_diff($correct_tags, $chosen_list);
 | 
						|
                    $good_answer[$correct_tags[$i]] = 1;
 | 
						|
                } elseif (!empty($user_tags[$i])) {
 | 
						|
                    $good_answer[$correct_tags[$i]] = 0;
 | 
						|
                } else {
 | 
						|
                    $good_answer[$correct_tags[$i]] = 0;
 | 
						|
                }
 | 
						|
            }
 | 
						|
            // adds the correct word, followed by ] to close the blank
 | 
						|
            $answer .= ' / <font color="green"><b>'.$real_correct_tags[$i].'</b></font>]';
 | 
						|
            if (isset($real_text[$i + 1])) {
 | 
						|
                $answer .= $real_text[$i + 1];
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        return $good_answer;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param int    $exercise_id
 | 
						|
     * @param string $course_code
 | 
						|
     * @param int    $session_id
 | 
						|
     *
 | 
						|
     * @return int
 | 
						|
     */
 | 
						|
    public static function get_number_students_finish_exercise(
 | 
						|
        $exercise_id,
 | 
						|
        $course_code,
 | 
						|
        $session_id
 | 
						|
    ) {
 | 
						|
        $track_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
 | 
						|
        $track_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
 | 
						|
 | 
						|
        $exercise_id = (int) $exercise_id;
 | 
						|
        $course_code = Database::escape_string($course_code);
 | 
						|
        $session_id = (int) $session_id;
 | 
						|
 | 
						|
        $sql = "SELECT DISTINCT exe_user_id
 | 
						|
                FROM $track_exercises e
 | 
						|
                INNER JOIN $track_attempt a
 | 
						|
                ON (a.exe_id = e.exe_id)
 | 
						|
                WHERE
 | 
						|
                    exe_exo_id 	 = $exercise_id AND
 | 
						|
                    course_code  = '$course_code' AND
 | 
						|
                    e.session_id = $session_id AND
 | 
						|
                    status = ''";
 | 
						|
        $result = Database::query($sql);
 | 
						|
        $return = 0;
 | 
						|
        if ($result) {
 | 
						|
            $return = Database::num_rows($result);
 | 
						|
        }
 | 
						|
 | 
						|
        return $return;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Return an HTML select menu with the student groups.
 | 
						|
     *
 | 
						|
     * @param string $name     is the name and the id of the <select>
 | 
						|
     * @param string $default  default value for option
 | 
						|
     * @param string $onchange
 | 
						|
     *
 | 
						|
     * @return string the html code of the <select>
 | 
						|
     */
 | 
						|
    public static function displayGroupMenu($name, $default, $onchange = "")
 | 
						|
    {
 | 
						|
        // check the default value of option
 | 
						|
        $tabSelected = [$default => " selected='selected' "];
 | 
						|
        $res = "";
 | 
						|
        $res .= "<select name='$name' id='$name' onchange='".$onchange."' >";
 | 
						|
        $res .= "<option value='-1'".$tabSelected["-1"].">-- ".get_lang(
 | 
						|
                'AllGroups'
 | 
						|
            )." --</option>";
 | 
						|
        $res .= "<option value='0'".$tabSelected["0"].">- ".get_lang(
 | 
						|
                'NotInAGroup'
 | 
						|
            )." -</option>";
 | 
						|
        $tabGroups = GroupManager::get_group_list();
 | 
						|
        $currentCatId = 0;
 | 
						|
        $countGroups = count($tabGroups);
 | 
						|
        for ($i = 0; $i < $countGroups; $i++) {
 | 
						|
            $tabCategory = GroupManager::get_category_from_group(
 | 
						|
                $tabGroups[$i]['iid']
 | 
						|
            );
 | 
						|
            if ($tabCategory["id"] != $currentCatId) {
 | 
						|
                $res .= "<option value='-1' disabled='disabled'>".$tabCategory["title"]."</option>";
 | 
						|
                $currentCatId = $tabCategory["id"];
 | 
						|
            }
 | 
						|
            $res .= "<option ".$tabSelected[$tabGroups[$i]["id"]]."style='margin-left:40px' value='".
 | 
						|
                $tabGroups[$i]["id"]."'>".
 | 
						|
                $tabGroups[$i]["name"].
 | 
						|
                "</option>";
 | 
						|
        }
 | 
						|
        $res .= "</select>";
 | 
						|
 | 
						|
        return $res;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param int $exe_id
 | 
						|
     */
 | 
						|
    public static function create_chat_exercise_session($exe_id)
 | 
						|
    {
 | 
						|
        if (!isset($_SESSION['current_exercises'])) {
 | 
						|
            $_SESSION['current_exercises'] = [];
 | 
						|
        }
 | 
						|
        $_SESSION['current_exercises'][$exe_id] = true;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param int $exe_id
 | 
						|
     */
 | 
						|
    public static function delete_chat_exercise_session($exe_id)
 | 
						|
    {
 | 
						|
        if (isset($_SESSION['current_exercises'])) {
 | 
						|
            $_SESSION['current_exercises'][$exe_id] = false;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Display the exercise results.
 | 
						|
     *
 | 
						|
     * @param Exercise $objExercise
 | 
						|
     * @param int      $exeId
 | 
						|
     * @param bool     $save_user_result save users results (true) or just show the results (false)
 | 
						|
     * @param string   $remainingMessage
 | 
						|
     * @param bool     $allowSignature
 | 
						|
     * @param bool     $allowExportPdf
 | 
						|
     * @param bool     $isExport
 | 
						|
     */
 | 
						|
    public static function displayQuestionListByAttempt(
 | 
						|
        $objExercise,
 | 
						|
        $exeId,
 | 
						|
        $save_user_result = false,
 | 
						|
        $remainingMessage = '',
 | 
						|
        $allowSignature = false,
 | 
						|
        $allowExportPdf = false,
 | 
						|
        $isExport = false
 | 
						|
    ) {
 | 
						|
        $origin = api_get_origin();
 | 
						|
        $courseId = api_get_course_int_id();
 | 
						|
        $courseCode = api_get_course_id();
 | 
						|
        $sessionId = api_get_session_id();
 | 
						|
 | 
						|
        // Getting attempt info
 | 
						|
        $exercise_stat_info = $objExercise->get_stat_track_exercise_info_by_exe_id($exeId);
 | 
						|
 | 
						|
        // Getting question list
 | 
						|
        $question_list = [];
 | 
						|
        $studentInfo = [];
 | 
						|
        if (!empty($exercise_stat_info['data_tracking'])) {
 | 
						|
            $studentInfo = api_get_user_info($exercise_stat_info['exe_user_id']);
 | 
						|
            $question_list = explode(',', $exercise_stat_info['data_tracking']);
 | 
						|
        } else {
 | 
						|
            // Try getting the question list only if save result is off
 | 
						|
            if ($save_user_result == false) {
 | 
						|
                $question_list = $objExercise->get_validated_question_list();
 | 
						|
            }
 | 
						|
            if (in_array(
 | 
						|
                $objExercise->getFeedbackType(),
 | 
						|
                [EXERCISE_FEEDBACK_TYPE_DIRECT, EXERCISE_FEEDBACK_TYPE_POPUP]
 | 
						|
            )) {
 | 
						|
                $question_list = $objExercise->get_validated_question_list();
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        if ($objExercise->getResultAccess()) {
 | 
						|
            if ($objExercise->hasResultsAccess($exercise_stat_info) === false) {
 | 
						|
                echo Display::return_message(
 | 
						|
                    sprintf(get_lang('YouPassedTheLimitOfXMinutesToSeeTheResults'), $objExercise->getResultsAccess())
 | 
						|
                );
 | 
						|
 | 
						|
                return false;
 | 
						|
            }
 | 
						|
 | 
						|
            if (!empty($objExercise->getResultAccess())) {
 | 
						|
                $url = api_get_path(WEB_CODE_PATH).'exercise/overview.php?'.api_get_cidreq().'&exerciseId='.$objExercise->id;
 | 
						|
                echo $objExercise->returnTimeLeftDiv();
 | 
						|
                echo $objExercise->showSimpleTimeControl(
 | 
						|
                    $objExercise->getResultAccessTimeDiff($exercise_stat_info),
 | 
						|
                    $url
 | 
						|
                );
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        $counter = 1;
 | 
						|
        $total_score = $total_weight = 0;
 | 
						|
        $exercise_content = null;
 | 
						|
        // Hide results
 | 
						|
        $show_results = false;
 | 
						|
        $show_only_score = false;
 | 
						|
        if (in_array($objExercise->results_disabled,
 | 
						|
            [
 | 
						|
                RESULT_DISABLE_SHOW_ONLY_IN_CORRECT_ANSWER,
 | 
						|
                RESULT_DISABLE_SHOW_SCORE_AND_EXPECTED_ANSWERS,
 | 
						|
                RESULT_DISABLE_SHOW_SCORE_AND_EXPECTED_ANSWERS_AND_RANKING,
 | 
						|
            ]
 | 
						|
        )) {
 | 
						|
            $show_results = true;
 | 
						|
        }
 | 
						|
 | 
						|
        if (in_array(
 | 
						|
            $objExercise->results_disabled,
 | 
						|
            [
 | 
						|
                RESULT_DISABLE_SHOW_SCORE_ONLY,
 | 
						|
                RESULT_DISABLE_SHOW_FINAL_SCORE_ONLY_WITH_CATEGORIES,
 | 
						|
                RESULT_DISABLE_RANKING,
 | 
						|
            ]
 | 
						|
        )
 | 
						|
        ) {
 | 
						|
            $show_only_score = true;
 | 
						|
        }
 | 
						|
 | 
						|
        // Not display expected answer, but score, and feedback
 | 
						|
        $show_all_but_expected_answer = false;
 | 
						|
        if ($objExercise->results_disabled == RESULT_DISABLE_SHOW_SCORE_ONLY &&
 | 
						|
            $objExercise->getFeedbackType() == EXERCISE_FEEDBACK_TYPE_END
 | 
						|
        ) {
 | 
						|
            $show_all_but_expected_answer = true;
 | 
						|
            $show_results = true;
 | 
						|
            $show_only_score = false;
 | 
						|
        }
 | 
						|
 | 
						|
        $showTotalScoreAndUserChoicesInLastAttempt = true;
 | 
						|
        $showTotalScore = true;
 | 
						|
        $showQuestionScore = true;
 | 
						|
        $attemptResult = [];
 | 
						|
 | 
						|
        if (in_array(
 | 
						|
            $objExercise->results_disabled,
 | 
						|
            [
 | 
						|
                RESULT_DISABLE_SHOW_SCORE_ATTEMPT_SHOW_ANSWERS_LAST_ATTEMPT,
 | 
						|
                RESULT_DISABLE_DONT_SHOW_SCORE_ONLY_IF_USER_FINISHES_ATTEMPTS_SHOW_ALWAYS_FEEDBACK,
 | 
						|
            ])
 | 
						|
        ) {
 | 
						|
            $show_only_score = true;
 | 
						|
            $show_results = true;
 | 
						|
            $numberAttempts = 0;
 | 
						|
            if ($objExercise->attempts > 0) {
 | 
						|
                $attempts = Event::getExerciseResultsByUser(
 | 
						|
                    api_get_user_id(),
 | 
						|
                    $objExercise->id,
 | 
						|
                    $courseId,
 | 
						|
                    $sessionId,
 | 
						|
                    $exercise_stat_info['orig_lp_id'],
 | 
						|
                    $exercise_stat_info['orig_lp_item_id'],
 | 
						|
                    'desc'
 | 
						|
                );
 | 
						|
                if ($attempts) {
 | 
						|
                    $numberAttempts = count($attempts);
 | 
						|
                }
 | 
						|
 | 
						|
                if ($save_user_result) {
 | 
						|
                    $numberAttempts++;
 | 
						|
                }
 | 
						|
 | 
						|
                $showTotalScore = false;
 | 
						|
                if ($objExercise->results_disabled == RESULT_DISABLE_SHOW_SCORE_ATTEMPT_SHOW_ANSWERS_LAST_ATTEMPT) {
 | 
						|
                    $showTotalScore = true;
 | 
						|
                }
 | 
						|
                $showTotalScoreAndUserChoicesInLastAttempt = false;
 | 
						|
                if ($numberAttempts >= $objExercise->attempts) {
 | 
						|
                    $showTotalScore = true;
 | 
						|
                    $show_results = true;
 | 
						|
                    $show_only_score = false;
 | 
						|
                    $showTotalScoreAndUserChoicesInLastAttempt = true;
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            if ($objExercise->results_disabled ==
 | 
						|
                RESULT_DISABLE_DONT_SHOW_SCORE_ONLY_IF_USER_FINISHES_ATTEMPTS_SHOW_ALWAYS_FEEDBACK
 | 
						|
            ) {
 | 
						|
                $show_only_score = false;
 | 
						|
                $show_results = true;
 | 
						|
                $show_all_but_expected_answer = false;
 | 
						|
                $showTotalScore = false;
 | 
						|
                $showQuestionScore = false;
 | 
						|
                if ($numberAttempts >= $objExercise->attempts) {
 | 
						|
                    $showTotalScore = true;
 | 
						|
                    $showQuestionScore = true;
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        // When exporting to PDF hide feedback/comment/score show warning in hotspot.
 | 
						|
        if ($allowExportPdf && $isExport) {
 | 
						|
            $showTotalScore = false;
 | 
						|
            $showQuestionScore = false;
 | 
						|
            $objExercise->feedback_type = 2;
 | 
						|
            $objExercise->hideComment = true;
 | 
						|
            $objExercise->hideNoAnswer = true;
 | 
						|
            $objExercise->results_disabled = 0;
 | 
						|
            $objExercise->hideExpectedAnswer = true;
 | 
						|
            $show_results = true;
 | 
						|
        }
 | 
						|
 | 
						|
        if ('embeddable' !== $origin &&
 | 
						|
            !empty($exercise_stat_info['exe_user_id']) &&
 | 
						|
            !empty($studentInfo)
 | 
						|
        ) {
 | 
						|
            // Shows exercise header.
 | 
						|
            echo $objExercise->showExerciseResultHeader(
 | 
						|
                $studentInfo,
 | 
						|
                $exercise_stat_info,
 | 
						|
                $save_user_result,
 | 
						|
                $allowSignature,
 | 
						|
                $allowExportPdf
 | 
						|
            );
 | 
						|
        }
 | 
						|
 | 
						|
        // Display text when test is finished #4074 and for LP #4227
 | 
						|
        $endOfMessage = $objExercise->getTextWhenFinished();
 | 
						|
        if (!empty($endOfMessage)) {
 | 
						|
            echo Display::div(
 | 
						|
                $endOfMessage,
 | 
						|
                ['id' => 'quiz_end_message']
 | 
						|
            );
 | 
						|
        }
 | 
						|
 | 
						|
        $question_list_answers = [];
 | 
						|
        $category_list = [];
 | 
						|
        $loadChoiceFromSession = false;
 | 
						|
        $fromDatabase = true;
 | 
						|
        $exerciseResult = null;
 | 
						|
        $exerciseResultCoordinates = null;
 | 
						|
        $delineationResults = null;
 | 
						|
        if (true === $save_user_result && in_array(
 | 
						|
            $objExercise->getFeedbackType(),
 | 
						|
            [EXERCISE_FEEDBACK_TYPE_DIRECT, EXERCISE_FEEDBACK_TYPE_POPUP]
 | 
						|
        )) {
 | 
						|
            $loadChoiceFromSession = true;
 | 
						|
            $fromDatabase = false;
 | 
						|
            $exerciseResult = Session::read('exerciseResult');
 | 
						|
            $exerciseResultCoordinates = Session::read('exerciseResultCoordinates');
 | 
						|
            $delineationResults = Session::read('hotspot_delineation_result');
 | 
						|
            $delineationResults = isset($delineationResults[$objExercise->id]) ? $delineationResults[$objExercise->id] : null;
 | 
						|
        }
 | 
						|
 | 
						|
        $countPendingQuestions = 0;
 | 
						|
        $result = [];
 | 
						|
        // Loop over all question to show results for each of them, one by one
 | 
						|
        if (!empty($question_list)) {
 | 
						|
            foreach ($question_list as $questionId) {
 | 
						|
                // Creates a temporary Question object
 | 
						|
                $objQuestionTmp = Question::read($questionId, $objExercise->course);
 | 
						|
                // This variable came from exercise_submit_modal.php
 | 
						|
                ob_start();
 | 
						|
                $choice = null;
 | 
						|
                $delineationChoice = null;
 | 
						|
                if ($loadChoiceFromSession) {
 | 
						|
                    $choice = isset($exerciseResult[$questionId]) ? $exerciseResult[$questionId] : null;
 | 
						|
                    $delineationChoice = isset($delineationResults[$questionId]) ? $delineationResults[$questionId] : null;
 | 
						|
                }
 | 
						|
 | 
						|
                // We're inside *one* question. Go through each possible answer for this question
 | 
						|
                $result = $objExercise->manage_answer(
 | 
						|
                    $exeId,
 | 
						|
                    $questionId,
 | 
						|
                    $choice,
 | 
						|
                    'exercise_result',
 | 
						|
                    $exerciseResultCoordinates,
 | 
						|
                    $save_user_result,
 | 
						|
                    $fromDatabase,
 | 
						|
                    $show_results,
 | 
						|
                    $objExercise->selectPropagateNeg(),
 | 
						|
                    $delineationChoice,
 | 
						|
                    $showTotalScoreAndUserChoicesInLastAttempt
 | 
						|
                );
 | 
						|
 | 
						|
                if (empty($result)) {
 | 
						|
                    continue;
 | 
						|
                }
 | 
						|
 | 
						|
                $total_score += $result['score'];
 | 
						|
                $total_weight += $result['weight'];
 | 
						|
 | 
						|
                $question_list_answers[] = [
 | 
						|
                    'question' => $result['open_question'],
 | 
						|
                    'answer' => $result['open_answer'],
 | 
						|
                    'answer_type' => $result['answer_type'],
 | 
						|
                    'generated_oral_file' => $result['generated_oral_file'],
 | 
						|
                ];
 | 
						|
 | 
						|
                $my_total_score = $result['score'];
 | 
						|
                $my_total_weight = $result['weight'];
 | 
						|
                $scorePassed = self::scorePassed($my_total_score, $my_total_weight);
 | 
						|
 | 
						|
                // Category report
 | 
						|
                $category_was_added_for_this_test = false;
 | 
						|
                if (isset($objQuestionTmp->category) && !empty($objQuestionTmp->category)) {
 | 
						|
                    if (!isset($category_list[$objQuestionTmp->category]['score'])) {
 | 
						|
                        $category_list[$objQuestionTmp->category]['score'] = 0;
 | 
						|
                    }
 | 
						|
                    if (!isset($category_list[$objQuestionTmp->category]['total'])) {
 | 
						|
                        $category_list[$objQuestionTmp->category]['total'] = 0;
 | 
						|
                    }
 | 
						|
                    if (!isset($category_list[$objQuestionTmp->category]['total_questions'])) {
 | 
						|
                        $category_list[$objQuestionTmp->category]['total_questions'] = 0;
 | 
						|
                    }
 | 
						|
                    if (!isset($category_list[$objQuestionTmp->category]['passed'])) {
 | 
						|
                        $category_list[$objQuestionTmp->category]['passed'] = 0;
 | 
						|
                    }
 | 
						|
                    if (!isset($category_list[$objQuestionTmp->category]['wrong'])) {
 | 
						|
                        $category_list[$objQuestionTmp->category]['wrong'] = 0;
 | 
						|
                    }
 | 
						|
                    if (!isset($category_list[$objQuestionTmp->category]['no_answer'])) {
 | 
						|
                        $category_list[$objQuestionTmp->category]['no_answer'] = 0;
 | 
						|
                    }
 | 
						|
 | 
						|
                    $category_list[$objQuestionTmp->category]['score'] += $my_total_score;
 | 
						|
                    $category_list[$objQuestionTmp->category]['total'] += $my_total_weight;
 | 
						|
                    if ($scorePassed) {
 | 
						|
                        // Only count passed if score is not empty
 | 
						|
                        if (!empty($my_total_score)) {
 | 
						|
                            $category_list[$objQuestionTmp->category]['passed']++;
 | 
						|
                        }
 | 
						|
                    } else {
 | 
						|
                        if ($result['user_answered']) {
 | 
						|
                            $category_list[$objQuestionTmp->category]['wrong']++;
 | 
						|
                        } else {
 | 
						|
                            $category_list[$objQuestionTmp->category]['no_answer']++;
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
 | 
						|
                    $category_list[$objQuestionTmp->category]['total_questions']++;
 | 
						|
                    $category_was_added_for_this_test = true;
 | 
						|
                }
 | 
						|
                if (isset($objQuestionTmp->category_list) && !empty($objQuestionTmp->category_list)) {
 | 
						|
                    foreach ($objQuestionTmp->category_list as $category_id) {
 | 
						|
                        $category_list[$category_id]['score'] += $my_total_score;
 | 
						|
                        $category_list[$category_id]['total'] += $my_total_weight;
 | 
						|
                        $category_was_added_for_this_test = true;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
 | 
						|
                // No category for this question!
 | 
						|
                if ($category_was_added_for_this_test == false) {
 | 
						|
                    if (!isset($category_list['none']['score'])) {
 | 
						|
                        $category_list['none']['score'] = 0;
 | 
						|
                    }
 | 
						|
                    if (!isset($category_list['none']['total'])) {
 | 
						|
                        $category_list['none']['total'] = 0;
 | 
						|
                    }
 | 
						|
 | 
						|
                    $category_list['none']['score'] += $my_total_score;
 | 
						|
                    $category_list['none']['total'] += $my_total_weight;
 | 
						|
                }
 | 
						|
 | 
						|
                if ($objExercise->selectPropagateNeg() == 0 && $my_total_score < 0) {
 | 
						|
                    $my_total_score = 0;
 | 
						|
                }
 | 
						|
 | 
						|
                $comnt = null;
 | 
						|
                if ($show_results) {
 | 
						|
                    $comnt = Event::get_comments($exeId, $questionId);
 | 
						|
                    $teacherAudio = self::getOralFeedbackAudio(
 | 
						|
                        $exeId,
 | 
						|
                        $questionId,
 | 
						|
                        api_get_user_id()
 | 
						|
                    );
 | 
						|
 | 
						|
                    if (!empty($comnt) || $teacherAudio) {
 | 
						|
                        echo '<b>'.get_lang('Feedback').'</b>';
 | 
						|
                    }
 | 
						|
 | 
						|
                    if (!empty($comnt)) {
 | 
						|
                        echo self::getFeedbackText($comnt);
 | 
						|
                    }
 | 
						|
 | 
						|
                    if ($teacherAudio) {
 | 
						|
                        echo $teacherAudio;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
 | 
						|
                $calculatedScore = [
 | 
						|
                    'result' => self::show_score(
 | 
						|
                        $my_total_score,
 | 
						|
                        $my_total_weight,
 | 
						|
                        false
 | 
						|
                    ),
 | 
						|
                    'pass' => $scorePassed,
 | 
						|
                    'score' => $my_total_score,
 | 
						|
                    'weight' => $my_total_weight,
 | 
						|
                    'comments' => $comnt,
 | 
						|
                    'user_answered' => $result['user_answered'],
 | 
						|
                ];
 | 
						|
 | 
						|
                $score = [];
 | 
						|
                if ($show_results) {
 | 
						|
                    $score = $calculatedScore;
 | 
						|
                }
 | 
						|
                if (in_array($objQuestionTmp->type, [FREE_ANSWER, ORAL_EXPRESSION, ANNOTATION])) {
 | 
						|
                    $reviewScore = [
 | 
						|
                        'score' => $my_total_score,
 | 
						|
                        'comments' => Event::get_comments($exeId, $questionId),
 | 
						|
                    ];
 | 
						|
                    $check = $objQuestionTmp->isQuestionWaitingReview($reviewScore);
 | 
						|
                    if (false === $check) {
 | 
						|
                        $countPendingQuestions++;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
 | 
						|
                $contents = ob_get_clean();
 | 
						|
                $question_content = '';
 | 
						|
                if ($show_results) {
 | 
						|
                    $question_content = '<div class="question_row_answer">';
 | 
						|
                    if (false === $showQuestionScore) {
 | 
						|
                        $score = [];
 | 
						|
                    }
 | 
						|
 | 
						|
                    // Shows question title an description
 | 
						|
                    $question_content .= $objQuestionTmp->return_header(
 | 
						|
                        $objExercise,
 | 
						|
                        $counter,
 | 
						|
                        $score
 | 
						|
                    );
 | 
						|
                }
 | 
						|
                $counter++;
 | 
						|
                $question_content .= $contents;
 | 
						|
                if ($show_results) {
 | 
						|
                    $question_content .= '</div>';
 | 
						|
                }
 | 
						|
 | 
						|
                $calculatedScore['question_content'] = $question_content;
 | 
						|
                $attemptResult[] = $calculatedScore;
 | 
						|
 | 
						|
                if ($objExercise->showExpectedChoice()) {
 | 
						|
                    $exercise_content .= Display::div(
 | 
						|
                        Display::panel($question_content),
 | 
						|
                        ['class' => 'question-panel']
 | 
						|
                    );
 | 
						|
                } else {
 | 
						|
                    // $show_all_but_expected_answer should not happen at
 | 
						|
                    // the same time as $show_results
 | 
						|
                    if ($show_results && !$show_only_score) {
 | 
						|
                        $exercise_content .= Display::div(
 | 
						|
                            Display::panel($question_content),
 | 
						|
                            ['class' => 'question-panel']
 | 
						|
                        );
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        $totalScoreText = null;
 | 
						|
        $certificateBlock = '';
 | 
						|
        if (($show_results || $show_only_score) && $showTotalScore) {
 | 
						|
            if ($result['answer_type'] == MULTIPLE_ANSWER_TRUE_FALSE_DEGREE_CERTAINTY) {
 | 
						|
                echo '<h1 style="text-align : center; margin : 20px 0;">'.get_lang('YourResults').'</h1><br />';
 | 
						|
            }
 | 
						|
            $totalScoreText .= '<div class="question_row_score">';
 | 
						|
            if ($result['answer_type'] == MULTIPLE_ANSWER_TRUE_FALSE_DEGREE_CERTAINTY) {
 | 
						|
                $totalScoreText .= self::getQuestionDiagnosisRibbon(
 | 
						|
                    $objExercise,
 | 
						|
                    $total_score,
 | 
						|
                    $total_weight,
 | 
						|
                    true
 | 
						|
                );
 | 
						|
            } else {
 | 
						|
                $pluginEvaluation = QuestionOptionsEvaluationPlugin::create();
 | 
						|
                if ('true' === $pluginEvaluation->get(QuestionOptionsEvaluationPlugin::SETTING_ENABLE)) {
 | 
						|
                    $formula = $pluginEvaluation->getFormulaForExercise($objExercise->selectId());
 | 
						|
 | 
						|
                    if (!empty($formula)) {
 | 
						|
                        $total_score = $pluginEvaluation->getResultWithFormula($exeId, $formula);
 | 
						|
                        $total_weight = $pluginEvaluation->getMaxScore();
 | 
						|
                    }
 | 
						|
                }
 | 
						|
 | 
						|
                $totalScoreText .= self::getTotalScoreRibbon(
 | 
						|
                    $objExercise,
 | 
						|
                    $total_score,
 | 
						|
                    $total_weight,
 | 
						|
                    true,
 | 
						|
                    $countPendingQuestions
 | 
						|
                );
 | 
						|
            }
 | 
						|
            $totalScoreText .= '</div>';
 | 
						|
 | 
						|
            if (!empty($studentInfo)) {
 | 
						|
                $certificateBlock = self::generateAndShowCertificateBlock(
 | 
						|
                    $total_score,
 | 
						|
                    $total_weight,
 | 
						|
                    $objExercise,
 | 
						|
                    $studentInfo['id'],
 | 
						|
                    $courseCode,
 | 
						|
                    $sessionId
 | 
						|
                );
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        if ($result['answer_type'] == MULTIPLE_ANSWER_TRUE_FALSE_DEGREE_CERTAINTY) {
 | 
						|
            $chartMultiAnswer = MultipleAnswerTrueFalseDegreeCertainty::displayStudentsChartResults(
 | 
						|
                $exeId,
 | 
						|
                $objExercise
 | 
						|
            );
 | 
						|
            echo $chartMultiAnswer;
 | 
						|
        }
 | 
						|
 | 
						|
        if (!empty($category_list) &&
 | 
						|
            ($show_results || $show_only_score || RESULT_DISABLE_RADAR == $objExercise->results_disabled)
 | 
						|
        ) {
 | 
						|
            // Adding total
 | 
						|
            $category_list['total'] = [
 | 
						|
                'score' => $total_score,
 | 
						|
                'total' => $total_weight,
 | 
						|
            ];
 | 
						|
            echo TestCategory::get_stats_table_by_attempt($objExercise, $category_list);
 | 
						|
        }
 | 
						|
 | 
						|
        if ($show_all_but_expected_answer) {
 | 
						|
            $exercise_content .= Display::return_message(get_lang('ExerciseWithFeedbackWithoutCorrectionComment'));
 | 
						|
        }
 | 
						|
 | 
						|
        // Remove audio auto play from questions on results page - refs BT#7939
 | 
						|
        $exercise_content = preg_replace(
 | 
						|
            ['/autoplay[\=\".+\"]+/', '/autostart[\=\".+\"]+/'],
 | 
						|
            '',
 | 
						|
            $exercise_content
 | 
						|
        );
 | 
						|
 | 
						|
        echo $totalScoreText;
 | 
						|
        echo $certificateBlock;
 | 
						|
 | 
						|
        // Ofaj change BT#11784
 | 
						|
        if (api_get_configuration_value('quiz_show_description_on_results_page') &&
 | 
						|
            !empty($objExercise->description)
 | 
						|
        ) {
 | 
						|
            echo Display::div($objExercise->description, ['class' => 'exercise_description']);
 | 
						|
        }
 | 
						|
 | 
						|
        echo $exercise_content;
 | 
						|
        if (!$show_only_score) {
 | 
						|
            echo $totalScoreText;
 | 
						|
        }
 | 
						|
 | 
						|
        if ($save_user_result) {
 | 
						|
            // Tracking of results
 | 
						|
            if ($exercise_stat_info) {
 | 
						|
                $learnpath_id = $exercise_stat_info['orig_lp_id'];
 | 
						|
                $learnpath_item_id = $exercise_stat_info['orig_lp_item_id'];
 | 
						|
                $learnpath_item_view_id = $exercise_stat_info['orig_lp_item_view_id'];
 | 
						|
 | 
						|
                if (api_is_allowed_to_session_edit()) {
 | 
						|
                    Event::updateEventExercise(
 | 
						|
                        $exercise_stat_info['exe_id'],
 | 
						|
                        $objExercise->selectId(),
 | 
						|
                        $total_score,
 | 
						|
                        $total_weight,
 | 
						|
                        $sessionId,
 | 
						|
                        $learnpath_id,
 | 
						|
                        $learnpath_item_id,
 | 
						|
                        $learnpath_item_view_id,
 | 
						|
                        $exercise_stat_info['exe_duration'],
 | 
						|
                        $question_list
 | 
						|
                    );
 | 
						|
 | 
						|
                    $allowStats = api_get_configuration_value('allow_gradebook_stats');
 | 
						|
                    if ($allowStats) {
 | 
						|
                        $objExercise->generateStats(
 | 
						|
                            $objExercise->selectId(),
 | 
						|
                            api_get_course_info(),
 | 
						|
                            $sessionId
 | 
						|
                        );
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            // Send notification at the end
 | 
						|
            if (!api_is_allowed_to_edit(null, true) &&
 | 
						|
                !api_is_excluded_user_type()
 | 
						|
            ) {
 | 
						|
                $objExercise->send_mail_notification_for_exam(
 | 
						|
                    'end',
 | 
						|
                    $question_list_answers,
 | 
						|
                    $origin,
 | 
						|
                    $exeId,
 | 
						|
                    $total_score,
 | 
						|
                    $total_weight
 | 
						|
                );
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        if (in_array(
 | 
						|
            $objExercise->selectResultsDisabled(),
 | 
						|
            [RESULT_DISABLE_RANKING, RESULT_DISABLE_SHOW_SCORE_AND_EXPECTED_ANSWERS_AND_RANKING]
 | 
						|
        )) {
 | 
						|
            echo Display::page_header(get_lang('Ranking'), null, 'h4');
 | 
						|
            echo self::displayResultsInRanking(
 | 
						|
                $objExercise,
 | 
						|
                api_get_user_id(),
 | 
						|
                $courseId,
 | 
						|
                $sessionId
 | 
						|
            );
 | 
						|
        }
 | 
						|
 | 
						|
        if (!empty($remainingMessage)) {
 | 
						|
            echo Display::return_message($remainingMessage, 'normal', false);
 | 
						|
        }
 | 
						|
 | 
						|
        $failedAnswersCount = 0;
 | 
						|
        $wrongQuestionHtml = '';
 | 
						|
        $all = '';
 | 
						|
        foreach ($attemptResult as $item) {
 | 
						|
            if (false === $item['pass']) {
 | 
						|
                $failedAnswersCount++;
 | 
						|
                $wrongQuestionHtml .= $item['question_content'].'<br />';
 | 
						|
            }
 | 
						|
            $all .= $item['question_content'].'<br />';
 | 
						|
        }
 | 
						|
 | 
						|
        $passed = self::isPassPercentageAttemptPassed(
 | 
						|
            $objExercise,
 | 
						|
            $total_score,
 | 
						|
            $total_weight
 | 
						|
        );
 | 
						|
 | 
						|
        $percentage = 0;
 | 
						|
        if (!empty($total_weight)) {
 | 
						|
            $percentage = ($total_score / $total_weight) * 100;
 | 
						|
        }
 | 
						|
 | 
						|
        return [
 | 
						|
            'category_list' => $category_list,
 | 
						|
            'attempts_result_list' => $attemptResult, // array of results
 | 
						|
            'exercise_passed' => $passed, // boolean
 | 
						|
            'total_answers_count' => count($attemptResult), // int
 | 
						|
            'failed_answers_count' => $failedAnswersCount, // int
 | 
						|
            'failed_answers_html' => $wrongQuestionHtml,
 | 
						|
            'all_answers_html' => $all,
 | 
						|
            'total_score' => $total_score,
 | 
						|
            'total_weight' => $total_weight,
 | 
						|
            'total_percentage' => $percentage,
 | 
						|
            'count_pending_questions' => $countPendingQuestions,
 | 
						|
        ];
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Display the ranking of results in a exercise.
 | 
						|
     *
 | 
						|
     * @param Exercise $exercise
 | 
						|
     * @param int      $currentUserId
 | 
						|
     * @param int      $courseId
 | 
						|
     * @param int      $sessionId
 | 
						|
     *
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public static function displayResultsInRanking($exercise, $currentUserId, $courseId, $sessionId = 0)
 | 
						|
    {
 | 
						|
        $exerciseId = $exercise->iId;
 | 
						|
        $data = self::exerciseResultsInRanking($exerciseId, $courseId, $sessionId);
 | 
						|
 | 
						|
        $table = new HTML_Table(['class' => 'table table-hover table-striped table-bordered']);
 | 
						|
        $table->setHeaderContents(0, 0, get_lang('Position'), ['class' => 'text-right']);
 | 
						|
        $table->setHeaderContents(0, 1, get_lang('Username'));
 | 
						|
        $table->setHeaderContents(0, 2, get_lang('Score'), ['class' => 'text-right']);
 | 
						|
        $table->setHeaderContents(0, 3, get_lang('Date'), ['class' => 'text-center']);
 | 
						|
 | 
						|
        foreach ($data as $r => $item) {
 | 
						|
            if (!isset($item[1])) {
 | 
						|
                continue;
 | 
						|
            }
 | 
						|
            $selected = $item[1]->getId() == $currentUserId;
 | 
						|
 | 
						|
            foreach ($item as $c => $value) {
 | 
						|
                $table->setCellContents($r + 1, $c, $value);
 | 
						|
 | 
						|
                $attrClass = '';
 | 
						|
 | 
						|
                if (in_array($c, [0, 2])) {
 | 
						|
                    $attrClass = 'text-right';
 | 
						|
                } elseif (3 == $c) {
 | 
						|
                    $attrClass = 'text-center';
 | 
						|
                }
 | 
						|
 | 
						|
                if ($selected) {
 | 
						|
                    $attrClass .= ' warning';
 | 
						|
                }
 | 
						|
 | 
						|
                $table->setCellAttributes($r + 1, $c, ['class' => $attrClass]);
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        return $table->toHtml();
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get the ranking for results in a exercise.
 | 
						|
     * Function used internally by ExerciseLib::displayResultsInRanking.
 | 
						|
     *
 | 
						|
     * @param int $exerciseId
 | 
						|
     * @param int $courseId
 | 
						|
     * @param int $sessionId
 | 
						|
     *
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public static function exerciseResultsInRanking($exerciseId, $courseId, $sessionId = 0)
 | 
						|
    {
 | 
						|
        $em = Database::getManager();
 | 
						|
 | 
						|
        $dql = 'SELECT DISTINCT te.exeUserId FROM ChamiloCoreBundle:TrackEExercises te WHERE te.exeExoId = :id AND te.cId = :cId';
 | 
						|
        $dql .= api_get_session_condition($sessionId, true, false, 'te.sessionId');
 | 
						|
 | 
						|
        $result = $em
 | 
						|
            ->createQuery($dql)
 | 
						|
            ->setParameters(['id' => $exerciseId, 'cId' => $courseId])
 | 
						|
            ->getScalarResult();
 | 
						|
 | 
						|
        $data = [];
 | 
						|
        /** @var TrackEExercises $item */
 | 
						|
        foreach ($result as $item) {
 | 
						|
            $data[] = self::get_best_attempt_by_user($item['exeUserId'], $exerciseId, $courseId, $sessionId);
 | 
						|
        }
 | 
						|
 | 
						|
        usort(
 | 
						|
            $data,
 | 
						|
            function ($a, $b) {
 | 
						|
                if ($a['exe_result'] != $b['exe_result']) {
 | 
						|
                    return $a['exe_result'] > $b['exe_result'] ? -1 : 1;
 | 
						|
                }
 | 
						|
 | 
						|
                if ($a['exe_date'] != $b['exe_date']) {
 | 
						|
                    return $a['exe_date'] < $b['exe_date'] ? -1 : 1;
 | 
						|
                }
 | 
						|
 | 
						|
                return 0;
 | 
						|
            }
 | 
						|
        );
 | 
						|
 | 
						|
        // flags to display the same position in case of tie
 | 
						|
        $lastScore = $data[0]['exe_result'];
 | 
						|
        $position = 1;
 | 
						|
        $data = array_map(
 | 
						|
            function ($item) use (&$lastScore, &$position) {
 | 
						|
                if ($item['exe_result'] < $lastScore) {
 | 
						|
                    $position++;
 | 
						|
                }
 | 
						|
 | 
						|
                $lastScore = $item['exe_result'];
 | 
						|
 | 
						|
                return [
 | 
						|
                    $position,
 | 
						|
                    api_get_user_entity($item['exe_user_id']),
 | 
						|
                    self::show_score($item['exe_result'], $item['exe_weighting'], true, true, true),
 | 
						|
                    api_convert_and_format_date($item['exe_date'], DATE_TIME_FORMAT_SHORT),
 | 
						|
                ];
 | 
						|
            },
 | 
						|
            $data
 | 
						|
        );
 | 
						|
 | 
						|
        return $data;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get a special ribbon on top of "degree of certainty" questions (
 | 
						|
     * variation from getTotalScoreRibbon() for other question types).
 | 
						|
     *
 | 
						|
     * @param Exercise $objExercise
 | 
						|
     * @param float    $score
 | 
						|
     * @param float    $weight
 | 
						|
     * @param bool     $checkPassPercentage
 | 
						|
     *
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public static function getQuestionDiagnosisRibbon($objExercise, $score, $weight, $checkPassPercentage = false)
 | 
						|
    {
 | 
						|
        $displayChartDegree = true;
 | 
						|
        $ribbon = $displayChartDegree ? '<div class="ribbon">' : '';
 | 
						|
 | 
						|
        if ($checkPassPercentage) {
 | 
						|
            $passPercentage = $objExercise->selectPassPercentage();
 | 
						|
            $isSuccess = self::isSuccessExerciseResult($score, $weight, $passPercentage);
 | 
						|
            // Color the final test score if pass_percentage activated
 | 
						|
            $ribbonTotalSuccessOrError = '';
 | 
						|
            if (self::isPassPercentageEnabled($passPercentage)) {
 | 
						|
                if ($isSuccess) {
 | 
						|
                    $ribbonTotalSuccessOrError = ' ribbon-total-success';
 | 
						|
                } else {
 | 
						|
                    $ribbonTotalSuccessOrError = ' ribbon-total-error';
 | 
						|
                }
 | 
						|
            }
 | 
						|
            $ribbon .= $displayChartDegree ? '<div class="rib rib-total '.$ribbonTotalSuccessOrError.'">' : '';
 | 
						|
        } else {
 | 
						|
            $ribbon .= $displayChartDegree ? '<div class="rib rib-total">' : '';
 | 
						|
        }
 | 
						|
 | 
						|
        if ($displayChartDegree) {
 | 
						|
            $ribbon .= '<h3>'.get_lang('YourTotalScore').': ';
 | 
						|
            $ribbon .= self::show_score($score, $weight, false, true);
 | 
						|
            $ribbon .= '</h3>';
 | 
						|
            $ribbon .= '</div>';
 | 
						|
        }
 | 
						|
 | 
						|
        if ($checkPassPercentage) {
 | 
						|
            $ribbon .= self::showSuccessMessage(
 | 
						|
                $score,
 | 
						|
                $weight,
 | 
						|
                $objExercise->selectPassPercentage()
 | 
						|
            );
 | 
						|
        }
 | 
						|
 | 
						|
        $ribbon .= $displayChartDegree ? '</div>' : '';
 | 
						|
 | 
						|
        return $ribbon;
 | 
						|
    }
 | 
						|
 | 
						|
    public static function isPassPercentageAttemptPassed($objExercise, $score, $weight)
 | 
						|
    {
 | 
						|
        $passPercentage = $objExercise->selectPassPercentage();
 | 
						|
 | 
						|
        return self::isSuccessExerciseResult($score, $weight, $passPercentage);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param float $score
 | 
						|
     * @param float $weight
 | 
						|
     * @param bool  $checkPassPercentage
 | 
						|
     * @param int   $countPendingQuestions
 | 
						|
     *
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public static function getTotalScoreRibbon(
 | 
						|
        Exercise $objExercise,
 | 
						|
        $score,
 | 
						|
        $weight,
 | 
						|
        $checkPassPercentage = false,
 | 
						|
        $countPendingQuestions = 0
 | 
						|
    ) {
 | 
						|
        $hide = (int) $objExercise->getPageConfigurationAttribute('hide_total_score');
 | 
						|
        if (1 === $hide) {
 | 
						|
            return '';
 | 
						|
        }
 | 
						|
 | 
						|
        $passPercentage = $objExercise->selectPassPercentage();
 | 
						|
        $ribbon = '<div class="title-score">';
 | 
						|
        if ($checkPassPercentage) {
 | 
						|
            $isSuccess = self::isSuccessExerciseResult(
 | 
						|
                $score,
 | 
						|
                $weight,
 | 
						|
                $passPercentage
 | 
						|
            );
 | 
						|
            // Color the final test score if pass_percentage activated
 | 
						|
            $class = '';
 | 
						|
            if (self::isPassPercentageEnabled($passPercentage)) {
 | 
						|
                if ($isSuccess) {
 | 
						|
                    $class = ' ribbon-total-success';
 | 
						|
                } else {
 | 
						|
                    $class = ' ribbon-total-error';
 | 
						|
                }
 | 
						|
            }
 | 
						|
            $ribbon .= '<div class="total '.$class.'">';
 | 
						|
        } else {
 | 
						|
            $ribbon .= '<div class="total">';
 | 
						|
        }
 | 
						|
        $ribbon .= '<h3>'.get_lang('YourTotalScore').': ';
 | 
						|
        $ribbon .= self::show_score($score, $weight, false, true);
 | 
						|
        $ribbon .= '</h3>';
 | 
						|
        $ribbon .= '</div>';
 | 
						|
        if ($checkPassPercentage) {
 | 
						|
            $ribbon .= self::showSuccessMessage(
 | 
						|
                $score,
 | 
						|
                $weight,
 | 
						|
                $passPercentage
 | 
						|
            );
 | 
						|
        }
 | 
						|
        $ribbon .= '</div>';
 | 
						|
 | 
						|
        if (!empty($countPendingQuestions)) {
 | 
						|
            $ribbon .= '<br />';
 | 
						|
            $ribbon .= Display::return_message(
 | 
						|
                sprintf(
 | 
						|
                    get_lang('TempScoreXQuestionsNotCorrectedYet'),
 | 
						|
                    $countPendingQuestions
 | 
						|
                ),
 | 
						|
                'warning'
 | 
						|
            );
 | 
						|
        }
 | 
						|
 | 
						|
        return $ribbon;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param int $countLetter
 | 
						|
     *
 | 
						|
     * @return mixed
 | 
						|
     */
 | 
						|
    public static function detectInputAppropriateClass($countLetter)
 | 
						|
    {
 | 
						|
        $limits = [
 | 
						|
            0 => 'input-mini',
 | 
						|
            10 => 'input-mini',
 | 
						|
            15 => 'input-medium',
 | 
						|
            20 => 'input-xlarge',
 | 
						|
            40 => 'input-xlarge',
 | 
						|
            60 => 'input-xxlarge',
 | 
						|
            100 => 'input-xxlarge',
 | 
						|
            200 => 'input-xxlarge',
 | 
						|
        ];
 | 
						|
 | 
						|
        foreach ($limits as $size => $item) {
 | 
						|
            if ($countLetter <= $size) {
 | 
						|
                return $item;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        return $limits[0];
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param int    $senderId
 | 
						|
     * @param array  $course_info
 | 
						|
     * @param string $test
 | 
						|
     * @param string $url
 | 
						|
     *
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public static function getEmailNotification($senderId, $course_info, $test, $url)
 | 
						|
    {
 | 
						|
        $teacher_info = api_get_user_info($senderId);
 | 
						|
        $from_name = api_get_person_name(
 | 
						|
            $teacher_info['firstname'],
 | 
						|
            $teacher_info['lastname'],
 | 
						|
            null,
 | 
						|
            PERSON_NAME_EMAIL_ADDRESS
 | 
						|
        );
 | 
						|
 | 
						|
        $view = new Template('', false, false, false, false, false, false);
 | 
						|
        $view->assign('course_title', Security::remove_XSS($course_info['name']));
 | 
						|
        $view->assign('test_title', Security::remove_XSS($test));
 | 
						|
        $view->assign('url', $url);
 | 
						|
        $view->assign('teacher_name', $from_name);
 | 
						|
        $template = $view->get_template('mail/exercise_result_alert_body.tpl');
 | 
						|
 | 
						|
        return $view->fetch($template);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public static function getNotCorrectedYetText()
 | 
						|
    {
 | 
						|
        return Display::return_message(get_lang('notCorrectedYet'), 'warning');
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param string $message
 | 
						|
     *
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public static function getFeedbackText($message)
 | 
						|
    {
 | 
						|
        return Display::return_message($message, 'warning', false);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get the recorder audio component for save a teacher audio feedback.
 | 
						|
     *
 | 
						|
     * @param int $attemptId
 | 
						|
     * @param int $questionId
 | 
						|
     * @param int $userId
 | 
						|
     *
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public static function getOralFeedbackForm($attemptId, $questionId, $userId)
 | 
						|
    {
 | 
						|
        $view = new Template('', false, false, false, false, false, false);
 | 
						|
        $view->assign('user_id', $userId);
 | 
						|
        $view->assign('question_id', $questionId);
 | 
						|
        $view->assign('directory', "/../exercises/teacher_audio/$attemptId/");
 | 
						|
        $view->assign('file_name', "{$questionId}_{$userId}");
 | 
						|
        $template = $view->get_template('exercise/oral_expression.tpl');
 | 
						|
 | 
						|
        return $view->fetch($template);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get the audio componen for a teacher audio feedback.
 | 
						|
     *
 | 
						|
     * @param int $attemptId
 | 
						|
     * @param int $questionId
 | 
						|
     * @param int $userId
 | 
						|
     *
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public static function getOralFeedbackAudio($attemptId, $questionId, $userId)
 | 
						|
    {
 | 
						|
        $courseInfo = api_get_course_info();
 | 
						|
        $sessionId = api_get_session_id();
 | 
						|
        $groupId = api_get_group_id();
 | 
						|
        $sysCourseDir = api_get_path(SYS_COURSE_PATH).$courseInfo['path'];
 | 
						|
        $webCourseDir = api_get_path(WEB_COURSE_PATH).$courseInfo['path'];
 | 
						|
        $fileName = "{$questionId}_{$userId}".DocumentManager::getDocumentSuffix($courseInfo, $sessionId, $groupId);
 | 
						|
        $filePath = null;
 | 
						|
 | 
						|
        $relFilePath = "/exercises/teacher_audio/$attemptId/$fileName";
 | 
						|
 | 
						|
        if (file_exists($sysCourseDir.$relFilePath.'.ogg')) {
 | 
						|
            $filePath = $webCourseDir.$relFilePath.'.ogg';
 | 
						|
        } elseif (file_exists($sysCourseDir.$relFilePath.'.wav.wav')) {
 | 
						|
            $filePath = $webCourseDir.$relFilePath.'.wav.wav';
 | 
						|
        } elseif (file_exists($sysCourseDir.$relFilePath.'.wav')) {
 | 
						|
            $filePath = $webCourseDir.$relFilePath.'.wav';
 | 
						|
        }
 | 
						|
 | 
						|
        if (!$filePath) {
 | 
						|
            return '';
 | 
						|
        }
 | 
						|
 | 
						|
        return Display::tag(
 | 
						|
            'audio',
 | 
						|
            null,
 | 
						|
            ['src' => $filePath]
 | 
						|
        );
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @return array
 | 
						|
     */
 | 
						|
    public static function getNotificationSettings()
 | 
						|
    {
 | 
						|
        $emailAlerts = [
 | 
						|
            2 => get_lang('SendEmailToTeacherWhenStudentStartQuiz'),
 | 
						|
            1 => get_lang('SendEmailToTeacherWhenStudentEndQuiz'), // default
 | 
						|
            3 => get_lang('SendEmailToTeacherWhenStudentEndQuizOnlyIfOpenQuestion'),
 | 
						|
            4 => get_lang('SendEmailToTeacherWhenStudentEndQuizOnlyIfOralQuestion'),
 | 
						|
        ];
 | 
						|
 | 
						|
        return $emailAlerts;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get the additional actions added in exercise_additional_teacher_modify_actions configuration.
 | 
						|
     *
 | 
						|
     * @param int $exerciseId
 | 
						|
     * @param int $iconSize
 | 
						|
     *
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public static function getAdditionalTeacherActions($exerciseId, $iconSize = ICON_SIZE_SMALL)
 | 
						|
    {
 | 
						|
        $additionalActions = api_get_configuration_value('exercise_additional_teacher_modify_actions') ?: [];
 | 
						|
        $actions = [];
 | 
						|
 | 
						|
        foreach ($additionalActions as $additionalAction) {
 | 
						|
            $actions[] = call_user_func(
 | 
						|
                $additionalAction,
 | 
						|
                $exerciseId,
 | 
						|
                $iconSize
 | 
						|
            );
 | 
						|
        }
 | 
						|
 | 
						|
        return implode(PHP_EOL, $actions);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param int $userId
 | 
						|
     * @param int $courseId
 | 
						|
     * @param int $sessionId
 | 
						|
     *
 | 
						|
     * @throws \Doctrine\ORM\Query\QueryException
 | 
						|
     *
 | 
						|
     * @return int
 | 
						|
     */
 | 
						|
    public static function countAnsweredQuestionsByUserAfterTime(DateTime $time, $userId, $courseId, $sessionId)
 | 
						|
    {
 | 
						|
        $em = Database::getManager();
 | 
						|
 | 
						|
        $time = api_get_utc_datetime($time->format('Y-m-d H:i:s'), false, true);
 | 
						|
 | 
						|
        $result = $em
 | 
						|
            ->createQuery('
 | 
						|
                SELECT COUNT(ea) FROM ChamiloCoreBundle:TrackEAttempt ea
 | 
						|
                WHERE ea.userId = :user AND ea.cId = :course AND ea.sessionId = :session
 | 
						|
                    AND ea.tms > :time
 | 
						|
            ')
 | 
						|
            ->setParameters(['user' => $userId, 'course' => $courseId, 'session' => $sessionId, 'time' => $time])
 | 
						|
            ->getSingleScalarResult();
 | 
						|
 | 
						|
        return $result;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param int $userId
 | 
						|
     * @param int $numberOfQuestions
 | 
						|
     * @param int $courseId
 | 
						|
     * @param int $sessionId
 | 
						|
     *
 | 
						|
     * @throws \Doctrine\ORM\Query\QueryException
 | 
						|
     *
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public static function isQuestionsLimitPerDayReached($userId, $numberOfQuestions, $courseId, $sessionId)
 | 
						|
    {
 | 
						|
        $questionsLimitPerDay = (int) api_get_course_setting('quiz_question_limit_per_day');
 | 
						|
 | 
						|
        if ($questionsLimitPerDay <= 0) {
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
 | 
						|
        $midnightTime = ChamiloApi::getServerMidnightTime();
 | 
						|
 | 
						|
        $answeredQuestionsCount = self::countAnsweredQuestionsByUserAfterTime(
 | 
						|
            $midnightTime,
 | 
						|
            $userId,
 | 
						|
            $courseId,
 | 
						|
            $sessionId
 | 
						|
        );
 | 
						|
 | 
						|
        return ($answeredQuestionsCount + $numberOfQuestions) > $questionsLimitPerDay;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Check if an exercise complies with the requirements to be embedded in the mobile app or a video.
 | 
						|
     * By making sure it is set on one question per page and it only contains unique-answer or multiple-answer questions
 | 
						|
     * or unique-answer image. And that the exam does not have immediate feedback.
 | 
						|
     *
 | 
						|
     * @param array $exercise Exercise info
 | 
						|
     *
 | 
						|
     * @throws \Doctrine\ORM\Query\QueryException
 | 
						|
     *
 | 
						|
     * @return bool
 | 
						|
     */
 | 
						|
    public static function isQuizEmbeddable(array $exercise)
 | 
						|
    {
 | 
						|
        $em = Database::getManager();
 | 
						|
 | 
						|
        if (ONE_PER_PAGE != $exercise['type'] ||
 | 
						|
            in_array($exercise['feedback_type'], [EXERCISE_FEEDBACK_TYPE_DIRECT, EXERCISE_FEEDBACK_TYPE_POPUP])
 | 
						|
        ) {
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
 | 
						|
        $countAll = $em
 | 
						|
            ->createQuery('SELECT COUNT(qq)
 | 
						|
                FROM ChamiloCourseBundle:CQuizQuestion qq
 | 
						|
                INNER JOIN ChamiloCourseBundle:CQuizRelQuestion qrq
 | 
						|
                   WITH qq.iid = qrq.questionId
 | 
						|
                WHERE qrq.exerciceId = :id'
 | 
						|
            )
 | 
						|
            ->setParameter('id', $exercise['iid'])
 | 
						|
            ->getSingleScalarResult();
 | 
						|
 | 
						|
        $countOfAllowed = $em
 | 
						|
            ->createQuery('SELECT COUNT(qq)
 | 
						|
                FROM ChamiloCourseBundle:CQuizQuestion qq
 | 
						|
                INNER JOIN ChamiloCourseBundle:CQuizRelQuestion qrq
 | 
						|
                   WITH qq.iid = qrq.questionId
 | 
						|
                WHERE qrq.exerciceId = :id AND qq.type IN (:types)'
 | 
						|
            )
 | 
						|
            ->setParameters(
 | 
						|
                [
 | 
						|
                    'id' => $exercise['iid'],
 | 
						|
                    'types' => [UNIQUE_ANSWER, MULTIPLE_ANSWER, UNIQUE_ANSWER_IMAGE],
 | 
						|
                ]
 | 
						|
            )
 | 
						|
            ->getSingleScalarResult();
 | 
						|
 | 
						|
        return $countAll === $countOfAllowed;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Generate a certificate linked to current quiz and.
 | 
						|
     * Return the HTML block with links to download and view the certificate.
 | 
						|
     *
 | 
						|
     * @param float  $totalScore
 | 
						|
     * @param float  $totalWeight
 | 
						|
     * @param int    $studentId
 | 
						|
     * @param string $courseCode
 | 
						|
     * @param int    $sessionId
 | 
						|
     *
 | 
						|
     * @return string
 | 
						|
     */
 | 
						|
    public static function generateAndShowCertificateBlock(
 | 
						|
        $totalScore,
 | 
						|
        $totalWeight,
 | 
						|
        Exercise $objExercise,
 | 
						|
        $studentId,
 | 
						|
        $courseCode,
 | 
						|
        $sessionId = 0
 | 
						|
    ) {
 | 
						|
        if (!api_get_configuration_value('quiz_generate_certificate_ending') ||
 | 
						|
            !self::isSuccessExerciseResult($totalScore, $totalWeight, $objExercise->selectPassPercentage())
 | 
						|
        ) {
 | 
						|
            return '';
 | 
						|
        }
 | 
						|
 | 
						|
        /** @var Category $category */
 | 
						|
        $category = Category::load(null, null, $courseCode, null, null, $sessionId, 'ORDER By id');
 | 
						|
 | 
						|
        if (empty($category)) {
 | 
						|
            return '';
 | 
						|
        }
 | 
						|
 | 
						|
        /** @var Category $category */
 | 
						|
        $category = $category[0];
 | 
						|
        $categoryId = $category->get_id();
 | 
						|
        $link = LinkFactory::load(
 | 
						|
            null,
 | 
						|
            null,
 | 
						|
            $objExercise->selectId(),
 | 
						|
            null,
 | 
						|
            $courseCode,
 | 
						|
            $categoryId
 | 
						|
        );
 | 
						|
 | 
						|
        if (empty($link)) {
 | 
						|
            return '';
 | 
						|
        }
 | 
						|
 | 
						|
        $resourceDeletedMessage = $category->show_message_resource_delete($courseCode);
 | 
						|
 | 
						|
        if (false !== $resourceDeletedMessage || api_is_allowed_to_edit() || api_is_excluded_user_type()) {
 | 
						|
            return '';
 | 
						|
        }
 | 
						|
 | 
						|
        $certificate = Category::generateUserCertificate($categoryId, $studentId);
 | 
						|
 | 
						|
        if (!is_array($certificate)) {
 | 
						|
            return '';
 | 
						|
        }
 | 
						|
 | 
						|
        return Category::getDownloadCertificateBlock($certificate);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param int $exerciseId
 | 
						|
     */
 | 
						|
    public static function getExerciseTitleById($exerciseId)
 | 
						|
    {
 | 
						|
        $em = Database::getManager();
 | 
						|
 | 
						|
        return $em
 | 
						|
            ->createQuery('SELECT cq.title
 | 
						|
                FROM ChamiloCourseBundle:CQuiz cq
 | 
						|
                WHERE cq.iid = :iid'
 | 
						|
            )
 | 
						|
            ->setParameter('iid', $exerciseId)
 | 
						|
            ->getSingleScalarResult();
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * @param int $exeId      ID from track_e_exercises
 | 
						|
     * @param int $userId     User ID
 | 
						|
     * @param int $exerciseId Exercise ID
 | 
						|
     * @param int $courseId   Optional. Coure ID.
 | 
						|
     *
 | 
						|
     * @return TrackEExercises|null
 | 
						|
     */
 | 
						|
    public static function recalculateResult($exeId, $userId, $exerciseId, $courseId = 0)
 | 
						|
    {
 | 
						|
        if (empty($userId) || empty($exerciseId)) {
 | 
						|
            return null;
 | 
						|
        }
 | 
						|
 | 
						|
        $em = Database::getManager();
 | 
						|
        /** @var TrackEExercises $trackedExercise */
 | 
						|
        $trackedExercise = $em->getRepository('ChamiloCoreBundle:TrackEExercises')->find($exeId);
 | 
						|
 | 
						|
        if (empty($trackedExercise)) {
 | 
						|
            return null;
 | 
						|
        }
 | 
						|
 | 
						|
        if ($trackedExercise->getExeUserId() != $userId ||
 | 
						|
            $trackedExercise->getExeExoId() != $exerciseId
 | 
						|
        ) {
 | 
						|
            return null;
 | 
						|
        }
 | 
						|
 | 
						|
        $questionList = $trackedExercise->getDataTracking();
 | 
						|
 | 
						|
        if (empty($questionList)) {
 | 
						|
            return null;
 | 
						|
        }
 | 
						|
 | 
						|
        $questionList = explode(',', $questionList);
 | 
						|
 | 
						|
        $exercise = new Exercise($courseId);
 | 
						|
        $courseInfo = $courseId ? api_get_course_info_by_id($courseId) : [];
 | 
						|
 | 
						|
        if ($exercise->read($exerciseId) === false) {
 | 
						|
            return null;
 | 
						|
        }
 | 
						|
 | 
						|
        $totalScore = 0;
 | 
						|
        $totalWeight = 0;
 | 
						|
 | 
						|
        $pluginEvaluation = QuestionOptionsEvaluationPlugin::create();
 | 
						|
 | 
						|
        $formula = 'true' === $pluginEvaluation->get(QuestionOptionsEvaluationPlugin::SETTING_ENABLE)
 | 
						|
            ? $pluginEvaluation->getFormulaForExercise($exerciseId)
 | 
						|
            : 0;
 | 
						|
 | 
						|
        if (empty($formula)) {
 | 
						|
            foreach ($questionList as $questionId) {
 | 
						|
                $question = Question::read($questionId, $courseInfo);
 | 
						|
 | 
						|
                if (false === $question) {
 | 
						|
                    continue;
 | 
						|
                }
 | 
						|
 | 
						|
                $totalWeight += $question->selectWeighting();
 | 
						|
 | 
						|
                // We're inside *one* question. Go through each possible answer for this question
 | 
						|
                $result = $exercise->manage_answer(
 | 
						|
                    $exeId,
 | 
						|
                    $questionId,
 | 
						|
                    [],
 | 
						|
                    'exercise_result',
 | 
						|
                    [],
 | 
						|
                    false,
 | 
						|
                    true,
 | 
						|
                    false,
 | 
						|
                    $exercise->selectPropagateNeg(),
 | 
						|
                    [],
 | 
						|
                    [],
 | 
						|
                    true
 | 
						|
                );
 | 
						|
 | 
						|
                //  Adding the new score.
 | 
						|
                $totalScore += $result['score'];
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            $totalScore = $pluginEvaluation->getResultWithFormula($exeId, $formula);
 | 
						|
            $totalWeight = $pluginEvaluation->getMaxScore();
 | 
						|
        }
 | 
						|
 | 
						|
        $trackedExercise
 | 
						|
            ->setExeResult($totalScore)
 | 
						|
            ->setExeWeighting($totalWeight);
 | 
						|
 | 
						|
        $em->persist($trackedExercise);
 | 
						|
        $em->flush();
 | 
						|
 | 
						|
        return $trackedExercise;
 | 
						|
    }
 | 
						|
 | 
						|
    public static function getTotalQuestionAnswered($courseId, $exerciseId, $questionId)
 | 
						|
    {
 | 
						|
        $courseId = (int) $courseId;
 | 
						|
        $exerciseId = (int) $exerciseId;
 | 
						|
        $questionId = (int) $questionId;
 | 
						|
 | 
						|
        $attemptTable = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
 | 
						|
        $trackTable = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
 | 
						|
 | 
						|
        $sql = "SELECT count(te.exe_id) total
 | 
						|
            FROM $attemptTable t
 | 
						|
            INNER JOIN $trackTable te
 | 
						|
            ON (te.c_id = t.c_id AND t.exe_id = te.exe_id)
 | 
						|
            WHERE
 | 
						|
                t.c_id = $courseId AND
 | 
						|
                exe_exo_id = $exerciseId AND
 | 
						|
                t.question_id = $questionId AND
 | 
						|
                status != 'incomplete'
 | 
						|
        ";
 | 
						|
        $queryTotal = Database::query($sql);
 | 
						|
        $totalRow = Database::fetch_array($queryTotal, 'ASSOC');
 | 
						|
        $total = 0;
 | 
						|
        if ($totalRow) {
 | 
						|
            $total = (int) $totalRow['total'];
 | 
						|
        }
 | 
						|
 | 
						|
        return $total;
 | 
						|
    }
 | 
						|
 | 
						|
    public static function getWrongQuestionResults($courseId, $exerciseId, $sessionId = 0, $limit = 10)
 | 
						|
    {
 | 
						|
        $courseId = (int) $courseId;
 | 
						|
        $exerciseId = (int) $exerciseId;
 | 
						|
        $limit = (int) $limit;
 | 
						|
 | 
						|
        $questionTable = Database::get_course_table(TABLE_QUIZ_QUESTION);
 | 
						|
        $attemptTable = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
 | 
						|
        $trackTable = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
 | 
						|
 | 
						|
        $sessionCondition = '';
 | 
						|
        if (!empty($sessionId)) {
 | 
						|
            $sessionCondition = api_get_session_condition($sessionId, true, false, 'te.session_id');
 | 
						|
        }
 | 
						|
 | 
						|
        $sql = "SELECT q.question, question_id, count(q.iid) count
 | 
						|
                FROM $attemptTable t
 | 
						|
                INNER JOIN $questionTable q
 | 
						|
                ON (q.c_id = t.c_id AND q.id = t.question_id)
 | 
						|
                INNER JOIN $trackTable te
 | 
						|
                ON (te.c_id = q.c_id AND t.exe_id = te.exe_id)
 | 
						|
                WHERE
 | 
						|
                    t.c_id = $courseId AND
 | 
						|
                    t.marks != q.ponderation AND
 | 
						|
                    exe_exo_id = $exerciseId AND
 | 
						|
                    status != 'incomplete'
 | 
						|
                    $sessionCondition
 | 
						|
                GROUP BY q.iid
 | 
						|
                ORDER BY count DESC
 | 
						|
                LIMIT $limit
 | 
						|
        ";
 | 
						|
 | 
						|
        $result = Database::query($sql);
 | 
						|
 | 
						|
        return Database::store_result($result, 'ASSOC');
 | 
						|
    }
 | 
						|
 | 
						|
    public static function getExerciseResultsCount($type, $courseId, $exerciseId, $sessionId = 0)
 | 
						|
    {
 | 
						|
        $courseId = (int) $courseId;
 | 
						|
        $exerciseId = (int) $exerciseId;
 | 
						|
 | 
						|
        $trackTable = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
 | 
						|
 | 
						|
        $sessionCondition = '';
 | 
						|
        if (!empty($sessionId)) {
 | 
						|
            $sessionCondition = api_get_session_condition($sessionId, true, false, 'te.session_id');
 | 
						|
        }
 | 
						|
 | 
						|
        $selectCount = 'count(DISTINCT te.exe_id)';
 | 
						|
        $scoreCondition = '';
 | 
						|
        switch ($type) {
 | 
						|
            case 'correct_student':
 | 
						|
                $selectCount = 'count(DISTINCT te.exe_user_id)';
 | 
						|
                $scoreCondition = ' AND exe_result = exe_weighting ';
 | 
						|
                break;
 | 
						|
            case 'wrong_student':
 | 
						|
                $selectCount = 'count(DISTINCT te.exe_user_id)';
 | 
						|
                $scoreCondition = ' AND  exe_result != exe_weighting ';
 | 
						|
                break;
 | 
						|
            case 'correct':
 | 
						|
                $scoreCondition = ' AND exe_result = exe_weighting ';
 | 
						|
                break;
 | 
						|
            case 'wrong':
 | 
						|
                $scoreCondition = ' AND exe_result != exe_weighting ';
 | 
						|
                break;
 | 
						|
        }
 | 
						|
 | 
						|
        $sql = "SELECT $selectCount count
 | 
						|
                FROM $trackTable te
 | 
						|
                WHERE
 | 
						|
                    c_id = $courseId AND
 | 
						|
                    exe_exo_id = $exerciseId AND
 | 
						|
                    status != 'incomplete'
 | 
						|
                    $scoreCondition
 | 
						|
                    $sessionCondition
 | 
						|
        ";
 | 
						|
        $result = Database::query($sql);
 | 
						|
        $totalRow = Database::fetch_array($result, 'ASSOC');
 | 
						|
        $total = 0;
 | 
						|
        if ($totalRow) {
 | 
						|
            $total = (int) $totalRow['count'];
 | 
						|
        }
 | 
						|
 | 
						|
        return $total;
 | 
						|
    }
 | 
						|
 | 
						|
    public static function parseContent($content, $stats, $exercise, $trackInfo, $currentUserId = 0)
 | 
						|
    {
 | 
						|
        $wrongAnswersCount = $stats['failed_answers_count'];
 | 
						|
        $attemptDate = substr($trackInfo['exe_date'], 0, 10);
 | 
						|
 | 
						|
        $content = str_replace(
 | 
						|
            [
 | 
						|
                '((exercise_error_count))',
 | 
						|
                '((all_answers_html))',
 | 
						|
                '((exercise_title))',
 | 
						|
                '((exercise_attempt_date))',
 | 
						|
            ],
 | 
						|
            [
 | 
						|
                $wrongAnswersCount,
 | 
						|
                $stats['all_answers_html'],
 | 
						|
                $exercise->get_formated_title(),
 | 
						|
                $attemptDate,
 | 
						|
            ],
 | 
						|
            $content
 | 
						|
        );
 | 
						|
 | 
						|
        $currentUserId = empty($currentUserId) ? api_get_user_id() : (int) $currentUserId;
 | 
						|
 | 
						|
        $content = AnnouncementManager::parseContent(
 | 
						|
            $currentUserId,
 | 
						|
            $content,
 | 
						|
            api_get_course_id(),
 | 
						|
            api_get_session_id()
 | 
						|
        );
 | 
						|
 | 
						|
        return $content;
 | 
						|
    }
 | 
						|
 | 
						|
    public static function sendNotification(
 | 
						|
        $currentUserId,
 | 
						|
        $objExercise,
 | 
						|
        $exercise_stat_info,
 | 
						|
        $courseInfo,
 | 
						|
        $attemptCountToSend,
 | 
						|
        $stats
 | 
						|
    ) {
 | 
						|
        $notifications = api_get_configuration_value('exercise_finished_notification_settings');
 | 
						|
        if (empty($notifications)) {
 | 
						|
            return false;
 | 
						|
        }
 | 
						|
 | 
						|
        $studentId = $exercise_stat_info['exe_user_id'];
 | 
						|
        $exerciseExtraFieldValue = new ExtraFieldValue('exercise');
 | 
						|
        $wrongAnswersCount = $stats['failed_answers_count'];
 | 
						|
        $exercisePassed = $stats['exercise_passed'];
 | 
						|
        $countPendingQuestions = $stats['count_pending_questions'];
 | 
						|
 | 
						|
        // If there are no pending questions (Open questions).
 | 
						|
        if (0 === $countPendingQuestions) {
 | 
						|
            $extraFieldData = $exerciseExtraFieldValue->get_values_by_handler_and_field_variable(
 | 
						|
                $objExercise->iId,
 | 
						|
                'signature_mandatory'
 | 
						|
            );
 | 
						|
 | 
						|
            if ($extraFieldData && isset($extraFieldData['value']) && 1 === (int) $extraFieldData['value']) {
 | 
						|
                if (ExerciseSignaturePlugin::exerciseHasSignatureActivated($objExercise)) {
 | 
						|
                    $signature = ExerciseSignaturePlugin::getSignature($studentId, $exercise_stat_info);
 | 
						|
                    if (false !== $signature) {
 | 
						|
                        //return false;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            $subject = sprintf(get_lang('WrongAttemptXInCourseX'), $attemptCountToSend, $courseInfo['title']);
 | 
						|
            if ($exercisePassed) {
 | 
						|
                $subject = sprintf(get_lang('ExerciseValidationInCourseX'), $courseInfo['title']);
 | 
						|
            }
 | 
						|
 | 
						|
            if ($exercisePassed) {
 | 
						|
                $extraFieldData = $exerciseExtraFieldValue->get_values_by_handler_and_field_variable(
 | 
						|
                    $objExercise->iId,
 | 
						|
                    'MailSuccess'
 | 
						|
                );
 | 
						|
            } else {
 | 
						|
                $extraFieldData = $exerciseExtraFieldValue->get_values_by_handler_and_field_variable(
 | 
						|
                    $objExercise->iId,
 | 
						|
                    'MailAttempt'.$attemptCountToSend
 | 
						|
                );
 | 
						|
            }
 | 
						|
 | 
						|
            // Blocking exercise.
 | 
						|
            $blockPercentageExtra = $exerciseExtraFieldValue->get_values_by_handler_and_field_variable(
 | 
						|
                $objExercise->iId,
 | 
						|
                'blocking_percentage'
 | 
						|
            );
 | 
						|
            $blockPercentage = false;
 | 
						|
            if ($blockPercentageExtra && isset($blockPercentageExtra['value']) && $blockPercentageExtra['value']) {
 | 
						|
                $blockPercentage = $extraFieldData['value'];
 | 
						|
            }
 | 
						|
 | 
						|
            if ($blockPercentage) {
 | 
						|
                $passBlock = $stats['total_percentage'] > $blockPercentage;
 | 
						|
                if (false === $passBlock) {
 | 
						|
                    $extraFieldData = $exerciseExtraFieldValue->get_values_by_handler_and_field_variable(
 | 
						|
                        $objExercise->iId,
 | 
						|
                        'MailIsBlockByPercentage'
 | 
						|
                    );
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            if ($extraFieldData && isset($extraFieldData['value'])) {
 | 
						|
                $content = $extraFieldData['value'];
 | 
						|
                $content = self::parseContent($content, $stats, $objExercise, $exercise_stat_info, $studentId);
 | 
						|
                if (false === $exercisePassed) {
 | 
						|
                    if (0 !== $wrongAnswersCount) {
 | 
						|
                        $content .= $stats['failed_answers_html'];
 | 
						|
                    }
 | 
						|
                }
 | 
						|
 | 
						|
                // Send to student.
 | 
						|
                MessageManager::send_message($currentUserId, $subject, $content);
 | 
						|
            }
 | 
						|
 | 
						|
            // Notifications.
 | 
						|
            $extraFieldData = $exerciseExtraFieldValue->get_values_by_handler_and_field_variable(
 | 
						|
                $objExercise->iId,
 | 
						|
                'notifications'
 | 
						|
            );
 | 
						|
            $exerciseNotification = '';
 | 
						|
            if ($extraFieldData && isset($extraFieldData['value'])) {
 | 
						|
                $exerciseNotification = $extraFieldData['value'];
 | 
						|
            }
 | 
						|
 | 
						|
            $extraFieldValueUser = new ExtraFieldValue('user');
 | 
						|
            if (!empty($exerciseNotification) && !empty($notifications)) {
 | 
						|
                foreach ($notifications as $name => $notificationList) {
 | 
						|
                    if ($exerciseNotification !== $name) {
 | 
						|
                        continue;
 | 
						|
                    }
 | 
						|
                    foreach ($notificationList as $attemptData) {
 | 
						|
                        $skipNotification = false;
 | 
						|
                        $skipNotificationList = isset($attemptData['send_notification_if_user_in_extra_field']) ? $attemptData['send_notification_if_user_in_extra_field'] : [];
 | 
						|
                        if (!empty($skipNotificationList)) {
 | 
						|
                            foreach ($skipNotificationList as $skipVariable => $skipValues) {
 | 
						|
                                $userExtraFieldValue = $extraFieldValueUser->get_values_by_handler_and_field_variable(
 | 
						|
                                    $studentId,
 | 
						|
                                    $skipVariable
 | 
						|
                                );
 | 
						|
 | 
						|
                                if (empty($userExtraFieldValue)) {
 | 
						|
                                    $skipNotification = true;
 | 
						|
                                    break;
 | 
						|
                                } else {
 | 
						|
                                    if (isset($userExtraFieldValue['value'])) {
 | 
						|
                                        if (!in_array($userExtraFieldValue['value'], $skipValues)) {
 | 
						|
                                            $skipNotification = true;
 | 
						|
                                            break;
 | 
						|
                                        }
 | 
						|
                                    } else {
 | 
						|
                                        $skipNotification = true;
 | 
						|
                                        break;
 | 
						|
                                    }
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
 | 
						|
                        if ($skipNotification) {
 | 
						|
                            continue;
 | 
						|
                        }
 | 
						|
 | 
						|
                        $email = isset($attemptData['email']) ? $attemptData['email'] : '';
 | 
						|
                        $emailList = explode(',', $email);
 | 
						|
                        if (empty($emailList)) {
 | 
						|
                            continue;
 | 
						|
                        }
 | 
						|
                        $attempts = $attemptData['attempts'];
 | 
						|
                        foreach ($attempts as $attempt) {
 | 
						|
                            $sendMessage = false;
 | 
						|
                            if (isset($attempt['attempt']) && $attemptCountToSend !== (int) $attempt['attempt']) {
 | 
						|
                                continue;
 | 
						|
                            }
 | 
						|
 | 
						|
                            if (!isset($attempt['status'])) {
 | 
						|
                                continue;
 | 
						|
                            }
 | 
						|
 | 
						|
                            if ($blockPercentage && isset($attempt['is_block_by_percentage'])) {
 | 
						|
                                $passBlock = $stats['total_percentage'] > $blockPercentage;
 | 
						|
                                if ($attempt['is_block_by_percentage']) {
 | 
						|
                                    if ($passBlock) {
 | 
						|
                                        continue;
 | 
						|
                                    }
 | 
						|
                                } else {
 | 
						|
                                    if (false === $passBlock) {
 | 
						|
                                        continue;
 | 
						|
                                    }
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
 | 
						|
                            switch ($attempt['status']) {
 | 
						|
                                case 'passed':
 | 
						|
                                    if ($exercisePassed) {
 | 
						|
                                        $sendMessage = true;
 | 
						|
                                    }
 | 
						|
                                    break;
 | 
						|
                                case 'failed':
 | 
						|
                                    if (false === $exercisePassed) {
 | 
						|
                                        $sendMessage = true;
 | 
						|
                                    }
 | 
						|
                                    break;
 | 
						|
                                case 'all':
 | 
						|
                                    $sendMessage = true;
 | 
						|
                                    break;
 | 
						|
                            }
 | 
						|
 | 
						|
                            if ($sendMessage) {
 | 
						|
                                $attachments = [];
 | 
						|
                                if (isset($attempt['add_pdf']) && $attempt['add_pdf']) {
 | 
						|
                                    // Get pdf content
 | 
						|
                                    $pdfExtraData = $exerciseExtraFieldValue->get_values_by_handler_and_field_variable(
 | 
						|
                                        $objExercise->iId,
 | 
						|
                                        $attempt['add_pdf']
 | 
						|
                                    );
 | 
						|
 | 
						|
                                    if ($pdfExtraData && isset($pdfExtraData['value'])) {
 | 
						|
                                        $pdfContent = self::parseContent(
 | 
						|
                                            $pdfExtraData['value'],
 | 
						|
                                            $stats,
 | 
						|
                                            $objExercise,
 | 
						|
                                            $exercise_stat_info,
 | 
						|
                                            $studentId
 | 
						|
                                        );
 | 
						|
 | 
						|
                                        @$pdf = new PDF();
 | 
						|
                                        $filename = get_lang('Exercise');
 | 
						|
                                        $cssFile = api_get_path(SYS_CSS_PATH).'themes/chamilo/default.css';
 | 
						|
                                        $pdfPath = @$pdf->content_to_pdf(
 | 
						|
                                            "<html><body>$pdfContent</body></html>",
 | 
						|
                                            file_get_contents($cssFile),
 | 
						|
                                            $filename,
 | 
						|
                                            api_get_course_id(),
 | 
						|
                                            'F',
 | 
						|
                                            false,
 | 
						|
                                            null,
 | 
						|
                                            false,
 | 
						|
                                            true
 | 
						|
                                        );
 | 
						|
                                        $attachments[] = ['filename' => $filename, 'path' => $pdfPath];
 | 
						|
                                    }
 | 
						|
                                }
 | 
						|
 | 
						|
                                $content = isset($attempt['content_default']) ? $attempt['content_default'] : '';
 | 
						|
                                if (isset($attempt['content'])) {
 | 
						|
                                    $extraFieldData = $exerciseExtraFieldValue->get_values_by_handler_and_field_variable(
 | 
						|
                                        $objExercise->iId,
 | 
						|
                                        $attempt['content']
 | 
						|
                                    );
 | 
						|
                                    if ($extraFieldData && isset($extraFieldData['value']) && !empty($extraFieldData['value'])) {
 | 
						|
                                        $content = $extraFieldData['value'];
 | 
						|
                                    }
 | 
						|
                                }
 | 
						|
 | 
						|
                                if (!empty($content)) {
 | 
						|
                                    $content = self::parseContent(
 | 
						|
                                        $content,
 | 
						|
                                        $stats,
 | 
						|
                                        $objExercise,
 | 
						|
                                        $exercise_stat_info,
 | 
						|
                                        $studentId
 | 
						|
                                    );
 | 
						|
                                    foreach ($emailList as $email) {
 | 
						|
                                        if (empty($email)) {
 | 
						|
                                            continue;
 | 
						|
                                        }
 | 
						|
                                        api_mail_html(
 | 
						|
                                            null,
 | 
						|
                                            $email,
 | 
						|
                                            $subject,
 | 
						|
                                            $content,
 | 
						|
                                            null,
 | 
						|
                                            null,
 | 
						|
                                            [],
 | 
						|
                                            $attachments
 | 
						|
                                        );
 | 
						|
                                    }
 | 
						|
                                }
 | 
						|
 | 
						|
                                if (isset($attempt['post_actions'])) {
 | 
						|
                                    foreach ($attempt['post_actions'] as $action => $params) {
 | 
						|
                                        switch ($action) {
 | 
						|
                                            case 'subscribe_student_to_courses':
 | 
						|
                                                foreach ($params as $code) {
 | 
						|
                                                    CourseManager::subscribeUser($currentUserId, $code);
 | 
						|
                                                    break;
 | 
						|
                                                }
 | 
						|
                                                break;
 | 
						|
                                        }
 | 
						|
                                    }
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Delete an exercise attempt.
 | 
						|
     *
 | 
						|
     * Log the exe_id deleted with the exe_user_id related.
 | 
						|
     *
 | 
						|
     * @param int $exeId
 | 
						|
     */
 | 
						|
    public static function deleteExerciseAttempt($exeId)
 | 
						|
    {
 | 
						|
        $exeId = (int) $exeId;
 | 
						|
 | 
						|
        $trackExerciseInfo = self::get_exercise_track_exercise_info($exeId);
 | 
						|
 | 
						|
        if (empty($trackExerciseInfo)) {
 | 
						|
            return;
 | 
						|
        }
 | 
						|
 | 
						|
        $tblTrackExercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
 | 
						|
        $tblTrackAttempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
 | 
						|
 | 
						|
        Database::query("DELETE FROM $tblTrackExercises WHERE exe_id = $exeId");
 | 
						|
        Database::query("DELETE FROM $tblTrackAttempt WHERE exe_id = $exeId");
 | 
						|
 | 
						|
        Event::addEvent(
 | 
						|
            LOG_EXERCISE_ATTEMPT_DELETE,
 | 
						|
            LOG_EXERCISE_ATTEMPT,
 | 
						|
            $exeId,
 | 
						|
            api_get_utc_datetime()
 | 
						|
        );
 | 
						|
        Event::addEvent(
 | 
						|
            LOG_EXERCISE_ATTEMPT_DELETE,
 | 
						|
            LOG_EXERCISE_AND_USER_ID,
 | 
						|
            $exeId.'-'.$trackExerciseInfo['exe_user_id'],
 | 
						|
            api_get_utc_datetime()
 | 
						|
        );
 | 
						|
    }
 | 
						|
 | 
						|
    public static function scorePassed($score, $total)
 | 
						|
    {
 | 
						|
        $compareResult = bccomp($score, $total, 3);
 | 
						|
        $scorePassed = 1 === $compareResult || 0 === $compareResult;
 | 
						|
        if (false === $scorePassed) {
 | 
						|
            $epsilon = 0.00001;
 | 
						|
            if (abs($score - $total) < $epsilon) {
 | 
						|
                $scorePassed = true;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        return $scorePassed;
 | 
						|
    }
 | 
						|
}
 | 
						|
 |