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chamilo-lms/main/exercise/exercise.class.php

7796 lines
316 KiB

<?php
/* For licensing terms, see /license.txt */
use ChamiloSession as Session;
use Chamilo\CoreBundle\Entity\TrackEHotspot;
/**
* Class Exercise
*
* Allows to instantiate an object of type Exercise
* @package chamilo.exercise
* @todo use doctrine object, use getters and setters correctly
* @author Olivier Brouckaert
* @author Julio Montoya Cleaning exercises
* Modified by Hubert Borderiou #294
*/
class Exercise
{
public $id;
public $name;
public $title;
public $exercise;
public $description;
public $sound;
public $type; //ALL_ON_ONE_PAGE or ONE_PER_PAGE
public $random;
public $random_answers;
public $active;
public $timeLimit;
public $attempts;
public $feedback_type;
public $end_time;
public $start_time;
public $questionList; // array with the list of this exercise's questions
/* including question list of the media */
public $questionListUncompressed;
public $results_disabled;
public $expired_time;
public $course;
public $course_id;
public $propagate_neg;
public $saveCorrectAnswers;
public $review_answers;
public $randomByCat;
public $text_when_finished;
public $display_category_name;
public $pass_percentage;
public $edit_exercise_in_lp = false;
public $is_gradebook_locked = false;
public $exercise_was_added_in_lp = false;
public $lpList = array();
public $force_edit_exercise_in_lp = false;
public $categories;
public $categories_grouping = true;
public $endButton = 0;
public $categoryWithQuestionList;
public $mediaList;
public $loadQuestionAJAX = false;
// Notification send to the teacher.
public $emailNotificationTemplate = null;
// Notification send to the student.
public $emailNotificationTemplateToUser = null;
public $countQuestions = 0;
public $fastEdition = false;
public $modelType = 1;
public $questionSelectionType = EX_Q_SELECTION_ORDERED;
public $hideQuestionTitle = 0;
public $scoreTypeModel = 0;
public $categoryMinusOne = true; // Shows the category -1: See BT#6540
public $globalCategoryId = null;
public $onSuccessMessage = null;
public $onFailedMessage = null;
public $emailAlert;
public $notifyUserByEmail = '';
public $sessionId = 0;
/**
* Constructor of the class
*
* @author Olivier Brouckaert
*/
public function __construct($course_id = null)
{
$this->id = 0;
$this->exercise = '';
$this->description = '';
$this->sound = '';
$this->type = ALL_ON_ONE_PAGE;
$this->random = 0;
$this->random_answers = 0;
$this->active = 1;
$this->questionList = array();
$this->timeLimit = 0;
$this->end_time = '';
$this->start_time = '';
$this->results_disabled = 1;
$this->expired_time = 0;
$this->propagate_neg = 0;
$this->saveCorrectAnswers = 0;
$this->review_answers = false;
$this->randomByCat = 0;
$this->text_when_finished = '';
$this->display_category_name = 0;
$this->pass_percentage = '';
$this->modelType = 1;
$this->questionSelectionType = EX_Q_SELECTION_ORDERED;
$this->endButton = 0;
$this->scoreTypeModel = 0;
$this->globalCategoryId = null;
if (!empty($course_id)) {
$course_info = api_get_course_info_by_id($course_id);
} else {
$course_info = api_get_course_info();
}
$this->course_id = $course_info['real_id'];
$this->course = $course_info;
}
/**
* Reads exercise information from the data base
*
* @author Olivier Brouckaert
* @param integer $id - exercise Id
* @param bool $parseQuestionList
*
* @return boolean - true if exercise exists, otherwise false
*/
public function read($id, $parseQuestionList = true)
{
$TBL_EXERCISES = Database::get_course_table(TABLE_QUIZ_TEST);
$table_lp_item = Database::get_course_table(TABLE_LP_ITEM);
$id = (int)$id;
if (empty($this->course_id)) {
return false;
}
$sql = "SELECT * FROM $TBL_EXERCISES
WHERE c_id = ".$this->course_id." AND id = ".$id;
$result = Database::query($sql);
// if the exercise has been found
if ($object = Database::fetch_object($result)) {
$this->id = $id;
$this->exercise = $object->title;
$this->name = $object->title;
$this->title = $object->title;
$this->description = $object->description;
$this->sound = $object->sound;
$this->type = $object->type;
if (empty($this->type)) {
$this->type = ONE_PER_PAGE;
}
$this->random = $object->random;
$this->random_answers = $object->random_answers;
$this->active = $object->active;
$this->results_disabled = $object->results_disabled;
$this->attempts = $object->max_attempt;
$this->feedback_type = $object->feedback_type;
$this->propagate_neg = $object->propagate_neg;
$this->saveCorrectAnswers = $object->save_correct_answers;
$this->randomByCat = $object->random_by_category;
$this->text_when_finished = $object->text_when_finished;
$this->display_category_name = $object->display_category_name;
$this->pass_percentage = $object->pass_percentage;
$this->sessionId = $object->session_id;
$this->is_gradebook_locked = api_resource_is_locked_by_gradebook($id, LINK_EXERCISE);
$this->review_answers = (isset($object->review_answers) && $object->review_answers == 1) ? true : false;
$this->globalCategoryId = isset($object->global_category_id) ? $object->global_category_id : null;
$this->questionSelectionType = isset($object->question_selection_type) ? $object->question_selection_type : null;
$this->hideQuestionTitle = isset($object->hide_question_title) ? (int)$object->hide_question_title : 0;
$sql = "SELECT lp_id, max_score
FROM $table_lp_item
WHERE c_id = {$this->course_id} AND
item_type = '".TOOL_QUIZ."' AND
path = '".$id."'";
$result = Database::query($sql);
if (Database::num_rows($result) > 0) {
$this->exercise_was_added_in_lp = true;
$this->lpList = Database::store_result($result, 'ASSOC');
}
$this->force_edit_exercise_in_lp = api_get_configuration_value('force_edit_exercise_in_lp');
if ($this->exercise_was_added_in_lp) {
$this->edit_exercise_in_lp = $this->force_edit_exercise_in_lp == true;
} else {
$this->edit_exercise_in_lp = true;
}
if (!empty($object->end_time)) {
$this->end_time = $object->end_time;
}
if (!empty($object->start_time)) {
$this->start_time = $object->start_time;
}
// Control time
$this->expired_time = $object->expired_time;
// Checking if question_order is correctly set
if ($parseQuestionList) {
$this->setQuestionList(true);
}
//overload questions list with recorded questions list
//load questions only for exercises of type 'one question per page'
//this is needed only is there is no questions
/*
// @todo not sure were in the code this is used somebody mess with the exercise tool
// @todo don't know who add that config and why $_configuration['live_exercise_tracking']
global $_configuration, $questionList;
if ($this->type == ONE_PER_PAGE && $_SERVER['REQUEST_METHOD'] != 'POST' && defined('QUESTION_LIST_ALREADY_LOGGED') &&
isset($_configuration['live_exercise_tracking']) && $_configuration['live_exercise_tracking']) {
$this->questionList = $questionList;
}*/
return true;
}
return false;
}
/**
* @return string
*/
public function getCutTitle()
{
$title = $this->getUnformattedTitle();
return cut($title, EXERCISE_MAX_NAME_SIZE);
}
/**
* returns the exercise ID
*
* @author Olivier Brouckaert
* @return int - exercise ID
*/
public function selectId()
{
return $this->id;
}
/**
* returns the exercise title
* @author Olivier Brouckaert
* @param bool $unformattedText Optional. Get the title without HTML tags
* @return string - exercise title
*/
public function selectTitle($unformattedText = false)
{
if ($unformattedText) {
return $this->getUnformattedTitle();
}
return $this->exercise;
}
/**
* returns the number of attempts setted
*
* @return int - exercise attempts
*/
public function selectAttempts()
{
return $this->attempts;
}
/** returns the number of FeedbackType *
* 0=>Feedback , 1=>DirectFeedback, 2=>NoFeedback
* @return int - exercise attempts
*/
public function selectFeedbackType()
{
return $this->feedback_type;
}
/**
* returns the time limit
* @return int
*/
public function selectTimeLimit()
{
return $this->timeLimit;
}
/**
* returns the exercise description
*
* @author Olivier Brouckaert
* @return string - exercise description
*/
public function selectDescription()
{
return $this->description;
}
/**
* returns the exercise sound file
*
* @author Olivier Brouckaert
* @return string - exercise description
*/
public function selectSound()
{
return $this->sound;
}
/**
* returns the exercise type
*
* @author Olivier Brouckaert
* @return int - exercise type
*/
public function selectType()
{
return $this->type;
}
/**
* @return int
*/
public function getModelType()
{
return $this->modelType;
}
/**
* @return int
*/
public function selectEndButton()
{
return $this->endButton;
}
/**
* @return string
*/
public function getOnSuccessMessage()
{
return $this->onSuccessMessage;
}
/**
* @return string
*/
public function getOnFailedMessage()
{
return $this->onFailedMessage;
}
/**
* @author hubert borderiou 30-11-11
* @return integer : do we display the question category name for students
*/
public function selectDisplayCategoryName()
{
return $this->display_category_name;
}
/**
* @return int
*/
public function selectPassPercentage()
{
return $this->pass_percentage;
}
/**
*
* Modify object to update the switch display_category_name
* @author hubert borderiou 30-11-11
* @param int $in_txt is an integer 0 or 1
*/
public function updateDisplayCategoryName($in_txt)
{
$this->display_category_name = $in_txt;
}
/**
* @author hubert borderiou 28-11-11
* @return string html text : the text to display ay the end of the test.
*/
public function selectTextWhenFinished()
{
return $this->text_when_finished;
}
/**
* @author hubert borderiou 28-11-11
* @return string html text : update the text to display ay the end of the test.
*/
public function updateTextWhenFinished($in_txt)
{
$this->text_when_finished = $in_txt;
}
/**
* return 1 or 2 if randomByCat
* @author hubert borderiou
* @return integer - quiz random by category
*/
public function selectRandomByCat()
{
return $this->randomByCat;
}
/**
* return 0 if no random by cat
* return 1 if random by cat, categories shuffled
* return 2 if random by cat, categories sorted by alphabetic order
* @author hubert borderiou
* @return integer - quiz random by category
*/
public function isRandomByCat()
{
$res = EXERCISE_CATEGORY_RANDOM_DISABLED;
if ($this->randomByCat == EXERCISE_CATEGORY_RANDOM_SHUFFLED) {
$res = EXERCISE_CATEGORY_RANDOM_SHUFFLED;
} elseif ($this->randomByCat == EXERCISE_CATEGORY_RANDOM_ORDERED) {
$res = EXERCISE_CATEGORY_RANDOM_ORDERED;
}
return $res;
}
/**
* return nothing
* update randomByCat value for object
* @param int $random
*
* @author hubert borderiou
*/
public function updateRandomByCat($random)
{
if (in_array(
$random,
array(
EXERCISE_CATEGORY_RANDOM_SHUFFLED,
EXERCISE_CATEGORY_RANDOM_ORDERED,
EXERCISE_CATEGORY_RANDOM_DISABLED,
)
)) {
$this->randomByCat = $random;
} else {
$this->randomByCat = EXERCISE_CATEGORY_RANDOM_DISABLED;
}
}
/**
* Tells if questions are selected randomly, and if so returns the draws
*
* @author Carlos Vargas
* @return integer - results disabled exercise
*/
public function selectResultsDisabled()
{
return $this->results_disabled;
}
/**
* tells if questions are selected randomly, and if so returns the draws
*
* @author Olivier Brouckaert
* @return integer - 0 if not random, otherwise the draws
*/
public function isRandom()
{
if ($this->random > 0 || $this->random == -1) {
return true;
} else {
return false;
}
}
/**
* returns random answers status.
*
* @author Juan Carlos Rana
*/
public function selectRandomAnswers()
{
return $this->random_answers;
}
/**
* Same as isRandom() but has a name applied to values different than 0 or 1
* @return int
*/
public function getShuffle()
{
return $this->random;
}
/**
* returns the exercise status (1 = enabled ; 0 = disabled)
*
* @author Olivier Brouckaert
* @return boolean - true if enabled, otherwise false
*/
public function selectStatus()
{
return $this->active;
}
/**
* If false the question list will be managed as always if true the question will be filtered
* depending of the exercise settings (table c_quiz_rel_category)
* @param bool $status active or inactive grouping
**/
public function setCategoriesGrouping($status)
{
$this->categories_grouping = (bool) $status;
}
/**
* @return int
*/
public function getHideQuestionTitle()
{
return $this->hideQuestionTitle;
}
/**
* @param $value
*/
public function setHideQuestionTitle($value)
{
$this->hideQuestionTitle = (int) $value;
}
/**
* @return int
*/
public function getScoreTypeModel()
{
return $this->scoreTypeModel;
}
/**
* @param int $value
*/
public function setScoreTypeModel($value)
{
$this->scoreTypeModel = (int) $value;
}
/**
* @return int
*/
public function getGlobalCategoryId()
{
return $this->globalCategoryId;
}
/**
* @param int $value
*/
public function setGlobalCategoryId($value)
{
if (is_array($value) && isset($value[0])) {
$value = $value[0];
}
$this->globalCategoryId = (int)$value;
}
/**
*
* @param int $start
* @param int $limit
* @param int $sidx
* @param string $sord
* @param array $where_condition
* @param array $extraFields
*
* @return array
*/
public function getQuestionListPagination(
$start,
$limit,
$sidx,
$sord,
$where_condition = array(),
$extraFields = array()
) {
if (!empty($this->id)) {
$category_list = TestCategory::getListOfCategoriesNameForTest(
$this->id,
false
);
$TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
$TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
$sql = "SELECT q.iid
FROM $TBL_EXERCICE_QUESTION e INNER JOIN $TBL_QUESTIONS q
ON (e.question_id = q.id AND e.c_id = ".$this->course_id." )
WHERE e.exercice_id = '".Database::escape_string($this->id)."'
";
$orderCondition = "ORDER BY question_order";
if (!empty($sidx) && !empty($sord)) {
if ($sidx == 'question') {
if (in_array(strtolower($sord), array('desc', 'asc'))) {
$orderCondition = " ORDER BY q.$sidx $sord";
}
}
}
$sql .= $orderCondition;
$limitCondition = null;
if (isset($start) && isset($limit)) {
$start = intval($start);
$limit = intval($limit);
$limitCondition = " LIMIT $start, $limit";
}
$sql .= $limitCondition;
$result = Database::query($sql);
$questions = array();
if (Database::num_rows($result)) {
if (!empty($extraFields)) {
$extraFieldValue = new ExtraFieldValue('question');
}
while ($question = Database::fetch_array($result, 'ASSOC')) {
/** @var Question $objQuestionTmp */
$objQuestionTmp = Question::read($question['iid']);
$category_labels = TestCategory::return_category_labels(
$objQuestionTmp->category_list,
$category_list
);
if (empty($category_labels)) {
$category_labels = "-";
}
// Question type
list($typeImg, $typeExpl) = $objQuestionTmp->get_type_icon_html();
$question_media = null;
if (!empty($objQuestionTmp->parent_id)) {
$objQuestionMedia = Question::read($objQuestionTmp->parent_id);
$question_media = Question::getMediaLabel($objQuestionMedia->question);
}
$questionType = Display::tag(
'div',
Display::return_icon($typeImg, $typeExpl, array(), ICON_SIZE_MEDIUM).$question_media
);
$question = array(
'id' => $question['iid'],
'question' => $objQuestionTmp->selectTitle(),
'type' => $questionType,
'category' => Display::tag('div', '<a href="#" style="padding:0px; margin:0px;">'.$category_labels.'</a>'),
'score' => $objQuestionTmp->selectWeighting(),
'level' => $objQuestionTmp->level
);
if (!empty($extraFields)) {
foreach ($extraFields as $extraField) {
$value = $extraFieldValue->get_values_by_handler_and_field_id($question['id'], $extraField['id']);
$stringValue = null;
if ($value) {
$stringValue = $value['field_value'];
}
$question[$extraField['field_variable']] = $stringValue;
}
}
$questions[] = $question;
}
}
return $questions;
}
}
/**
* Get question count per exercise from DB (any special treatment)
* @return int
*/
public function getQuestionCount()
{
$TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
$TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
$sql = "SELECT count(q.id) as count
FROM $TBL_EXERCICE_QUESTION e
INNER JOIN $TBL_QUESTIONS q
ON (e.question_id = q.id AND e.c_id = q.c_id)
WHERE
e.c_id = {$this->course_id} AND
e.exercice_id = ".Database::escape_string($this->id);
$result = Database::query($sql);
$count = 0;
if (Database::num_rows($result)) {
$row = Database::fetch_array($result);
$count = $row['count'];
}
return $count;
}
/**
* @return array
*/
public function getQuestionOrderedListByName()
{
$TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
$TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
// Getting question list from the order (question list drag n drop interface ).
$sql = "SELECT e.question_id
FROM $TBL_EXERCICE_QUESTION e
INNER JOIN $TBL_QUESTIONS q
ON (e.question_id= q.id AND e.c_id = q.c_id)
WHERE
e.c_id = {$this->course_id} AND
e.exercice_id = '".Database::escape_string($this->id)."'
ORDER BY q.question";
$result = Database::query($sql);
$list = array();
if (Database::num_rows($result)) {
$list = Database::store_result($result, 'ASSOC');
}
return $list;
}
/**
* Gets the question list ordered by the question_order setting (drag and drop)
* @return array
*/
private function getQuestionOrderedList()
{
$questionList = array();
$TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
$TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
// Getting question_order to verify that the question
// list is correct and all question_order's were set
$sql = "SELECT DISTINCT e.question_order
FROM $TBL_EXERCICE_QUESTION e
INNER JOIN $TBL_QUESTIONS q
ON (e.question_id = q.id AND e.c_id = q.c_id)
WHERE
e.c_id = {$this->course_id} AND
e.exercice_id = ".Database::escape_string($this->id);
$result = Database::query($sql);
$count_question_orders = Database::num_rows($result);
// Getting question list from the order (question list drag n drop interface ).
$sql = "SELECT DISTINCT e.question_id, e.question_order
FROM $TBL_EXERCICE_QUESTION e
INNER JOIN $TBL_QUESTIONS q
ON (e.question_id = q.id AND e.c_id = q.c_id)
WHERE
e.c_id = {$this->course_id} AND
e.exercice_id = '".Database::escape_string($this->id)."'
ORDER BY question_order";
$result = Database::query($sql);
// Fills the array with the question ID for this exercise
// the key of the array is the question position
$temp_question_list = array();
$counter = 1;
while ($new_object = Database::fetch_object($result)) {
// Correct order.
$questionList[$new_object->question_order] = $new_object->question_id;
// Just in case we save the order in other array
$temp_question_list[$counter] = $new_object->question_id;
$counter++;
}
if (!empty($temp_question_list)) {
/* If both array don't match it means that question_order was not correctly set
for all questions using the default mysql order */
if (count($temp_question_list) != $count_question_orders) {
$questionList = $temp_question_list;
}
}
return $questionList;
}
/**
* Select N values from the questions per category array
*
* @param array $categoriesAddedInExercise
* @param array $question_list
* @param array $questions_by_category per category
* @param bool $flatResult
* @param bool $randomizeQuestions
*
* @return array
*/
private function pickQuestionsPerCategory(
$categoriesAddedInExercise,
$question_list,
& $questions_by_category,
$flatResult = true,
$randomizeQuestions = false
) {
$addAll = true;
$categoryCountArray = array();
// Getting how many questions will be selected per category.
if (!empty($categoriesAddedInExercise)) {
$addAll = false;
// Parsing question according the category rel exercise settings
foreach ($categoriesAddedInExercise as $category_info) {
$category_id = $category_info['category_id'];
if (isset($questions_by_category[$category_id])) {
// How many question will be picked from this category.
$count = $category_info['count_questions'];
// -1 means all questions
if ($count == -1) {
$categoryCountArray[$category_id] = 999;
} else {
$categoryCountArray[$category_id] = $count;
}
}
}
}
if (!empty($questions_by_category)) {
$temp_question_list = array();
foreach ($questions_by_category as $category_id => & $categoryQuestionList) {
if (isset($categoryCountArray) && !empty($categoryCountArray)) {
if (isset($categoryCountArray[$category_id])) {
$numberOfQuestions = $categoryCountArray[$category_id];
} else {
$numberOfQuestions = 0;
}
}
if ($addAll) {
$numberOfQuestions = 999;
}
if (!empty($numberOfQuestions)) {
$elements = TestCategory::getNElementsFromArray(
$categoryQuestionList,
$numberOfQuestions,
$randomizeQuestions
);
if (!empty($elements)) {
$temp_question_list[$category_id] = $elements;
$categoryQuestionList = $elements;
}
}
}
if (!empty($temp_question_list)) {
if ($flatResult) {
$temp_question_list = array_flatten($temp_question_list);
}
$question_list = $temp_question_list;
}
}
return $question_list;
}
/**
* Selecting question list depending in the exercise-category
* relationship (category table in exercise settings)
*
* @param array $question_list
* @param int $questionSelectionType
* @return array
*/
public function getQuestionListWithCategoryListFilteredByCategorySettings(
$question_list,
$questionSelectionType
) {
$result = array(
'question_list' => array(),
'category_with_questions_list' => array()
);
// Order/random categories
$cat = new TestCategory();
// Setting category order.
switch ($questionSelectionType) {
case EX_Q_SELECTION_ORDERED: // 1
case EX_Q_SELECTION_RANDOM: // 2
// This options are not allowed here.
break;
case EX_Q_SELECTION_CATEGORIES_ORDERED_QUESTIONS_ORDERED: // 3
$categoriesAddedInExercise = $cat->getCategoryExerciseTree(
$this,
$this->course['real_id'],
'title ASC',
false,
true
);
$questions_by_category = TestCategory::getQuestionsByCat(
$this->id,
$question_list,
$categoriesAddedInExercise
);
$question_list = $this->pickQuestionsPerCategory(
$categoriesAddedInExercise,
$question_list,
$questions_by_category,
true,
false
);
break;
case EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_ORDERED: // 4
case EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_ORDERED_NO_GROUPED: // 7
$categoriesAddedInExercise = $cat->getCategoryExerciseTree(
$this,
$this->course['real_id'],
null,
true,
true
);
$questions_by_category = TestCategory::getQuestionsByCat(
$this->id,
$question_list,
$categoriesAddedInExercise
);
$question_list = $this->pickQuestionsPerCategory(
$categoriesAddedInExercise,
$question_list,
$questions_by_category,
true,
false
);
break;
case EX_Q_SELECTION_CATEGORIES_ORDERED_QUESTIONS_RANDOM: // 5
$categoriesAddedInExercise = $cat->getCategoryExerciseTree(
$this,
$this->course['real_id'],
'title DESC',
false,
true
);
$questions_by_category = TestCategory::getQuestionsByCat(
$this->id,
$question_list,
$categoriesAddedInExercise
);
$question_list = $this->pickQuestionsPerCategory(
$categoriesAddedInExercise,
$question_list,
$questions_by_category,
true,
true
);
break;
case EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_RANDOM: // 6
case EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_RANDOM_NO_GROUPED:
$categoriesAddedInExercise = $cat->getCategoryExerciseTree(
$this,
$this->course['real_id'],
null,
true,
true
);
$questions_by_category = TestCategory::getQuestionsByCat(
$this->id,
$question_list,
$categoriesAddedInExercise
);
$question_list = $this->pickQuestionsPerCategory(
$categoriesAddedInExercise,
$question_list,
$questions_by_category,
true,
true
);
break;
case EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_ORDERED_NO_GROUPED: // 7
break;
case EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_RANDOM_NO_GROUPED: // 8
break;
case EX_Q_SELECTION_CATEGORIES_ORDERED_BY_PARENT_QUESTIONS_ORDERED: // 9
$categoriesAddedInExercise = $cat->getCategoryExerciseTree(
$this,
$this->course['real_id'],
'root ASC, lft ASC',
false,
true
);
$questions_by_category = TestCategory::getQuestionsByCat(
$this->id,
$question_list,
$categoriesAddedInExercise
);
$question_list = $this->pickQuestionsPerCategory(
$categoriesAddedInExercise,
$question_list,
$questions_by_category,
true,
false
);
break;
case EX_Q_SELECTION_CATEGORIES_ORDERED_BY_PARENT_QUESTIONS_RANDOM: // 10
$categoriesAddedInExercise = $cat->getCategoryExerciseTree(
$this,
$this->course['real_id'],
'root, lft ASC',
false,
true
);
$questions_by_category = TestCategory::getQuestionsByCat(
$this->id,
$question_list,
$categoriesAddedInExercise
);
$question_list = $this->pickQuestionsPerCategory(
$categoriesAddedInExercise,
$question_list,
$questions_by_category,
true,
true
);
break;
}
$result['question_list'] = isset($question_list) ? $question_list : array();
$result['category_with_questions_list'] = isset($questions_by_category) ? $questions_by_category : array();
// Adding category info in the category list with question list:
if (!empty($questions_by_category)) {
$newCategoryList = array();
foreach ($questions_by_category as $categoryId => $questionList) {
$cat = new TestCategory();
$cat = $cat->getCategory($categoryId);
$cat = (array)$cat;
$cat['iid'] = $cat['id'];
$categoryParentInfo = null;
// Parent is not set no loop here
if (!empty($cat['parent_id'])) {
if (!isset($parentsLoaded[$cat['parent_id']])) {
$categoryEntity = $em->find('ChamiloCoreBundle:CQuizCategory', $cat['parent_id']);
$parentsLoaded[$cat['parent_id']] = $categoryEntity;
} else {
$categoryEntity = $parentsLoaded[$cat['parent_id']];
}
$path = $repo->getPath($categoryEntity);
$index = 0;
if ($this->categoryMinusOne) {
//$index = 1;
}
/** @var \Chamilo\CourseBundle\Entity\CQuizCategory $categoryParent*/
foreach ($path as $categoryParent) {
$visibility = $categoryParent->getVisibility();
if ($visibility == 0) {
$categoryParentId = $categoryId;
$categoryTitle = $cat['title'];
if (count($path) > 1) {
continue;
}
} else {
$categoryParentId = $categoryParent->getIid();
$categoryTitle = $categoryParent->getTitle();
}
$categoryParentInfo['id'] = $categoryParentId;
$categoryParentInfo['iid'] = $categoryParentId;
$categoryParentInfo['parent_path'] = null;
$categoryParentInfo['title'] = $categoryTitle;
$categoryParentInfo['name'] = $categoryTitle;
$categoryParentInfo['parent_id'] = null;
break;
}
}
$cat['parent_info'] = $categoryParentInfo;
$newCategoryList[$categoryId] = array(
'category' => $cat,
'question_list' => $questionList
);
}
$result['category_with_questions_list'] = $newCategoryList;
}
return $result;
}
/**
* returns the array with the question ID list
* @param bool $from_db Whether the results should be fetched in the database or just from memory
* @param bool $adminView Whether we should return all questions (admin view) or
* just a list limited by the max number of random questions
* @author Olivier Brouckaert
* @return array - question ID list
*/
public function selectQuestionList($from_db = false, $adminView = false)
{
if ($from_db && !empty($this->id)) {
$nbQuestions = $this->getQuestionCount();
$questionSelectionType = $this->getQuestionSelectionType();
switch ($questionSelectionType) {
case EX_Q_SELECTION_ORDERED:
$questionList = $this->getQuestionOrderedList();
break;
case EX_Q_SELECTION_RANDOM:
// Not a random exercise, or if there are not at least 2 questions
if ($this->random == 0 || $nbQuestions < 2) {
$questionList = $this->getQuestionOrderedList();
} else {
$questionList = $this->selectRandomList($adminView);
}
break;
default:
$questionList = $this->getQuestionOrderedList();
$result = $this->getQuestionListWithCategoryListFilteredByCategorySettings(
$questionList,
$questionSelectionType
);
$this->categoryWithQuestionList = $result['category_with_questions_list'];
$questionList = $result['question_list'];
break;
}
return $questionList;
}
return $this->questionList;
}
/**
* returns the number of questions in this exercise
*
* @author Olivier Brouckaert
* @return integer - number of questions
*/
public function selectNbrQuestions()
{
return sizeof($this->questionList);
}
/**
* @return int
*/
public function selectPropagateNeg()
{
return $this->propagate_neg;
}
/**
* @return int
*/
public function selectSaveCorrectAnswers()
{
return $this->saveCorrectAnswers;
}
/**
* Selects questions randomly in the question list
*
* @author Olivier Brouckaert
* @author Hubert Borderiou 15 nov 2011
* @param bool $adminView Whether we should return all
* questions (admin view) or just a list limited by the max number of random questions
* @return array - if the exercise is not set to take questions randomly, returns the question list
* without randomizing, otherwise, returns the list with questions selected randomly
*/
public function selectRandomList($adminView = false)
{
$TBL_EXERCISE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
$TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
$random = isset($this->random) && !empty($this->random) ? $this->random : 0;
$randomLimit = "ORDER BY RAND() LIMIT $random";
// Random all questions so no limit
if ($random == -1 or $adminView === true) {
// If viewing it as admin for edition, don't show it randomly, use title + id
$randomLimit = 'ORDER BY e.question_order';
}
$sql = "SELECT e.question_id
FROM $TBL_EXERCISE_QUESTION e
INNER JOIN $TBL_QUESTIONS q
ON (e.question_id= q.id AND e.c_id = q.c_id)
WHERE
e.c_id = {$this->course_id} AND
e.exercice_id = '".Database::escape_string($this->id)."'
$randomLimit ";
$result = Database::query($sql);
$questionList = array();
while ($row = Database::fetch_object($result)) {
$questionList[] = $row->question_id;
}
return $questionList;
}
/**
* returns 'true' if the question ID is in the question list
*
* @author Olivier Brouckaert
* @param integer $questionId - question ID
* @return boolean - true if in the list, otherwise false
*/
public function isInList($questionId)
{
if (is_array($this->questionList)) {
return in_array($questionId, $this->questionList);
} else {
return false;
}
}
/**
* changes the exercise title
*
* @author Olivier Brouckaert
* @param string $title - exercise title
*/
public function updateTitle($title)
{
$this->title = $this->exercise = $title;
}
/**
* changes the exercise max attempts
*
* @param int $attempts - exercise max attempts
*/
public function updateAttempts($attempts)
{
$this->attempts = $attempts;
}
/**
* changes the exercise feedback type
*
* @param int $feedback_type
*/
public function updateFeedbackType($feedback_type)
{
$this->feedback_type = $feedback_type;
}
/**
* changes the exercise description
*
* @author Olivier Brouckaert
* @param string $description - exercise description
*/
public function updateDescription($description)
{
$this->description = $description;
}
/**
* changes the exercise expired_time
*
* @author Isaac flores
* @param int $expired_time The expired time of the quiz
*/
public function updateExpiredTime($expired_time)
{
$this->expired_time = $expired_time;
}
/**
* @param $value
*/
public function updatePropagateNegative($value)
{
$this->propagate_neg = $value;
}
/**
* @param $value int
*/
public function updateSaveCorrectAnswers($value)
{
$this->saveCorrectAnswers = $value;
}
/**
* @param $value
*/
public function updateReviewAnswers($value)
{
$this->review_answers = isset($value) && $value ? true : false;
}
/**
* @param $value
*/
public function updatePassPercentage($value)
{
$this->pass_percentage = $value;
}
/**
* @param string $text
*/
public function updateEmailNotificationTemplate($text)
{
$this->emailNotificationTemplate = $text;
}
/**
* @param string $text
*/
public function updateEmailNotificationTemplateToUser($text)
{
$this->emailNotificationTemplateToUser = $text;
}
/**
* @param string $value
*/
public function setNotifyUserByEmail($value)
{
$this->notifyUserByEmail = $value;
}
/**
* @param int $value
*/
public function updateEndButton($value)
{
$this->endButton = (int) $value;
}
/**
* @param string $value
*/
public function setOnSuccessMessage($value)
{
$this->onSuccessMessage = $value;
}
/**
* @param string $value
*/
public function setOnFailedMessage($value)
{
$this->onFailedMessage = $value;
}
/**
* @param $value
*/
public function setModelType($value)
{
$this->modelType = (int) $value;
}
/**
* @param int $value
*/
public function setQuestionSelectionType($value)
{
$this->questionSelectionType = (int) $value;
}
/**
* @return int
*/
public function getQuestionSelectionType()
{
return $this->questionSelectionType;
}
/**
* @param array $categories
*/
public function updateCategories($categories)
{
if (!empty($categories)) {
$categories = array_map('intval', $categories);
$this->categories = $categories;
}
}
/**
* changes the exercise sound file
*
* @author Olivier Brouckaert
* @param string $sound - exercise sound file
* @param string $delete - ask to delete the file
*/
public function updateSound($sound,$delete)
{
global $audioPath, $documentPath;
$TBL_DOCUMENT = Database::get_course_table(TABLE_DOCUMENT);
if ($sound['size'] && (strstr($sound['type'],'audio') || strstr($sound['type'],'video'))) {
$this->sound = $sound['name'];
if (@move_uploaded_file($sound['tmp_name'],$audioPath.'/'.$this->sound)) {
$sql = "SELECT 1 FROM $TBL_DOCUMENT
WHERE
c_id = ".$this->course_id." AND
path = '".str_replace($documentPath,'',$audioPath).'/'.$this->sound."'";
$result = Database::query($sql);
if (!Database::num_rows($result)) {
$id = add_document(
$this->course,
str_replace($documentPath,'',$audioPath).'/'.$this->sound,
'file',
$sound['size'],
$sound['name']
);
api_item_property_update(
$this->course,
TOOL_DOCUMENT,
$id,
'DocumentAdded',
api_get_user_id()
);
item_property_update_on_folder(
$this->course,
str_replace($documentPath, '', $audioPath),
api_get_user_id()
);
}
}
} elseif ($delete && is_file($audioPath.'/'.$this->sound)) {
$this->sound = '';
}
}
/**
* changes the exercise type
*
* @author Olivier Brouckaert
* @param integer $type - exercise type
*/
public function updateType($type)
{
$this->type = $type;
}
/**
* sets to 0 if questions are not selected randomly
* if questions are selected randomly, sets the draws
*
* @author Olivier Brouckaert
* @param integer $random - 0 if not random, otherwise the draws
*/
public function setRandom($random)
{
/*if ($random == 'all') {
$random = $this->selectNbrQuestions();
}*/
$this->random = $random;
}
/**
* sets to 0 if answers are not selected randomly
* if answers are selected randomly
* @author Juan Carlos Rana
* @param integer $random_answers - random answers
*/
public function updateRandomAnswers($random_answers)
{
$this->random_answers = $random_answers;
}
/**
* enables the exercise
*
* @author Olivier Brouckaert
*/
public function enable()
{
$this->active = 1;
}
/**
* disables the exercise
*
* @author Olivier Brouckaert
*/
public function disable()
{
$this->active = 0;
}
/**
* Set disable results
*/
public function disable_results()
{
$this->results_disabled = true;
}
/**
* Enable results
*/
public function enable_results()
{
$this->results_disabled = false;
}
/**
* @param int $results_disabled
*/
public function updateResultsDisabled($results_disabled)
{
$this->results_disabled = (int) $results_disabled;
}
/**
* updates the exercise in the data base
* @param string $type_e
* @author Olivier Brouckaert
*/
public function save($type_e = '')
{
$_course = $this->course;
$TBL_EXERCISES = Database::get_course_table(TABLE_QUIZ_TEST);
$id = $this->id;
$exercise = $this->exercise;
$description = $this->description;
$sound = $this->sound;
$type = $this->type;
$attempts = isset($this->attempts) ? $this->attempts : 0;
$feedback_type = isset($this->feedback_type) ? $this->feedback_type : 0;
$random = $this->random;
$random_answers = $this->random_answers;
$active = $this->active;
$propagate_neg = (int) $this->propagate_neg;
$saveCorrectAnswers = isset($this->saveCorrectAnswers) && $this->saveCorrectAnswers ? 1 : 0;
$review_answers = isset($this->review_answers) && $this->review_answers ? 1 : 0;
$randomByCat = intval($this->randomByCat);
$text_when_finished = $this->text_when_finished;
$display_category_name = intval($this->display_category_name);
$pass_percentage = intval($this->pass_percentage);
$session_id = $this->sessionId;
//If direct we do not show results
if ($feedback_type == EXERCISE_FEEDBACK_TYPE_DIRECT) {
$results_disabled = 0;
} else {
$results_disabled = intval($this->results_disabled);
}
$expired_time = intval($this->expired_time);
// Exercise already exists
if ($id) {
// we prepare date in the database using the api_get_utc_datetime() function
if (!empty($this->start_time)) {
$start_time = $this->start_time;
} else {
$start_time = null;
}
if (!empty($this->end_time)) {
$end_time = $this->end_time;
} else {
$end_time = null;
}
$params = [
'title' => $exercise,
'description' => $description,
];
$paramsExtra = [];
if ($type_e != 'simple') {
$paramsExtra = [
'sound' => $sound,
'type' => $type,
'random' => $random,
'random_answers' => $random_answers,
'active' => $active,
'feedback_type' => $feedback_type,
'start_time' => $start_time,
'end_time' => $end_time,
'max_attempt' => $attempts,
'expired_time' => $expired_time,
'propagate_neg' => $propagate_neg,
'save_correct_answers' => $saveCorrectAnswers,
'review_answers' => $review_answers,
'random_by_category' => $randomByCat,
'text_when_finished' => $text_when_finished,
'display_category_name' => $display_category_name,
'pass_percentage' => $pass_percentage,
'results_disabled' => $results_disabled,
'question_selection_type' => $this->getQuestionSelectionType(),
'hide_question_title' => $this->getHideQuestionTitle()
];
}
$params = array_merge($params, $paramsExtra);
Database::update(
$TBL_EXERCISES,
$params,
['c_id = ? AND id = ?' => [$this->course_id, $id]]
);
// update into the item_property table
api_item_property_update(
$_course,
TOOL_QUIZ,
$id,
'QuizUpdated',
api_get_user_id()
);
if (api_get_setting('search_enabled')=='true') {
$this->search_engine_edit();
}
} else {
// Creates a new exercise
// In this case of new exercise, we don't do the api_get_utc_datetime()
// for date because, bellow, we call function api_set_default_visibility()
// In this function, api_set_default_visibility,
// the Quiz is saved too, with an $id and api_get_utc_datetime() is done.
// If we do it now, it will be done twice (cf. https://support.chamilo.org/issues/6586)
if (!empty($this->start_time)) {
$start_time = $this->start_time;
} else {
$start_time = null;
}
if (!empty($this->end_time)) {
$end_time = $this->end_time;
} else {
$end_time = null;
}
$params = [
'c_id' => $this->course_id,
'start_time' => $start_time,
'end_time' => $end_time,
'title' => $exercise,
'description' => $description,
'sound' => $sound,
'type' => $type,
'random' => $random,
'random_answers' => $random_answers,
'active' => $active,
'results_disabled' => $results_disabled,
'max_attempt' => $attempts,
'feedback_type' => $feedback_type,
'expired_time' => $expired_time,
'session_id' => $session_id,
'review_answers' => $review_answers,
'random_by_category' => $randomByCat,
'text_when_finished' => $text_when_finished,
'display_category_name' => $display_category_name,
'pass_percentage' => $pass_percentage,
'save_correct_answers' => (int) $saveCorrectAnswers,
'propagate_neg' => $propagate_neg,
'hide_question_title' => $this->getHideQuestionTitle()
];
$this->id = Database::insert($TBL_EXERCISES, $params);
if ($this->id) {
$sql = "UPDATE $TBL_EXERCISES SET id = iid WHERE iid = {$this->id} ";
Database::query($sql);
$sql = "UPDATE $TBL_EXERCISES
SET question_selection_type= ".intval($this->getQuestionSelectionType())."
WHERE id = ".$this->id." AND c_id = ".$this->course_id;
Database::query($sql);
// insert into the item_property table
api_item_property_update(
$this->course,
TOOL_QUIZ,
$this->id,
'QuizAdded',
api_get_user_id()
);
// This function save the quiz again, carefull about start_time
// and end_time if you remove this line (see above)
api_set_default_visibility(
$this->id,
TOOL_QUIZ,
null,
$this->course
);
if (api_get_setting('search_enabled') == 'true' && extension_loaded('xapian')) {
$this->search_engine_save();
}
}
}
$this->save_categories_in_exercise($this->categories);
// Updates the question position
$this->update_question_positions();
}
/**
* Updates question position
*/
public function update_question_positions()
{
$table = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
//Fixes #3483 when updating order
$question_list = $this->selectQuestionList(true);
if (!empty($question_list)) {
foreach ($question_list as $position => $questionId) {
$sql = "UPDATE $table SET
question_order ='".intval($position)."'
WHERE
c_id = ".$this->course_id." AND
question_id = ".intval($questionId)." AND
exercice_id=".intval($this->id);
Database::query($sql);
}
}
}
/**
* Adds a question into the question list
*
* @author Olivier Brouckaert
* @param integer $questionId - question ID
* @return boolean - true if the question has been added, otherwise false
*/
public function addToList($questionId)
{
// checks if the question ID is not in the list
if (!$this->isInList($questionId)) {
// selects the max position
if (!$this->selectNbrQuestions()) {
$pos = 1;
} else {
if (is_array($this->questionList)) {
$pos = max(array_keys($this->questionList)) + 1;
}
}
$this->questionList[$pos] = $questionId;
return true;
}
return false;
}
/**
* removes a question from the question list
*
* @author Olivier Brouckaert
* @param integer $questionId - question ID
* @return boolean - true if the question has been removed, otherwise false
*/
public function removeFromList($questionId)
{
// searches the position of the question ID in the list
$pos = array_search($questionId, $this->questionList);
// question not found
if ($pos === false) {
return false;
} else {
// dont reduce the number of random question if we use random by category option, or if
// random all questions
if ($this->isRandom() && $this->isRandomByCat() == 0) {
if (count($this->questionList) >= $this->random && $this->random > 0) {
$this->random -= 1;
$this->save();
}
}
// deletes the position from the array containing the wanted question ID
unset($this->questionList[$pos]);
return true;
}
}
/**
* deletes the exercise from the database
* Notice : leaves the question in the data base
*
* @author Olivier Brouckaert
*/
public function delete()
{
$TBL_EXERCISES = Database::get_course_table(TABLE_QUIZ_TEST);
$sql = "UPDATE $TBL_EXERCISES SET active='-1'
WHERE c_id = ".$this->course_id." AND id = ".intval($this->id);
Database::query($sql);
api_item_property_update(
$this->course,
TOOL_QUIZ,
$this->id,
'QuizDeleted',
api_get_user_id()
);
api_item_property_update(
$this->course,
TOOL_QUIZ,
$this->id,
'delete',
api_get_user_id()
);
if (api_get_setting('search_enabled')=='true' &&
extension_loaded('xapian')
) {
$this->search_engine_delete();
}
}
/**
* Creates the form to create / edit an exercise
* @param FormValidator $form
*/
public function createForm($form, $type = 'full')
{
if (empty($type)) {
$type = 'full';
}
// form title
if (!empty($_GET['exerciseId'])) {
$form_title = get_lang('ModifyExercise');
} else {
$form_title = get_lang('NewEx');
}
$form->addElement('header', $form_title);
// Title.
if (api_get_configuration_value('save_titles_as_html')) {
$form->addHtmlEditor(
'exerciseTitle',
get_lang('ExerciseName'),
false,
false,
['ToolbarSet' => 'Minimal']
);
} else {
$form->addElement(
'text',
'exerciseTitle',
get_lang('ExerciseName'),
array('id' => 'exercise_title')
);
}
$form->addElement('advanced_settings', 'advanced_params', get_lang('AdvancedParameters'));
$form->addElement('html', '<div id="advanced_params_options" style="display:none">');
$editor_config = array(
'ToolbarSet' => 'TestQuestionDescription',
'Width' => '100%',
'Height' => '150',
);
if (is_array($type)) {
$editor_config = array_merge($editor_config, $type);
}
$form->addHtmlEditor(
'exerciseDescription',
get_lang('ExerciseDescription'),
false,
false,
$editor_config
);
if ($type == 'full') {
//Can't modify a DirectFeedback question
if ($this->selectFeedbackType() != EXERCISE_FEEDBACK_TYPE_DIRECT) {
// feedback type
$radios_feedback = array();
$radios_feedback[] = $form->createElement(
'radio',
'exerciseFeedbackType',
null,
get_lang('ExerciseAtTheEndOfTheTest'),
'0',
array(
'id' => 'exerciseType_0',
'onclick' => 'check_feedback()',
)
);
if (api_get_setting('enable_quiz_scenario') == 'true') {
//Can't convert a question from one feedback to another if there is more than 1 question already added
if ($this->selectNbrQuestions() == 0) {
$radios_feedback[] = $form->createElement(
'radio',
'exerciseFeedbackType',
null,
get_lang('DirectFeedback'),
'1',
array(
'id' => 'exerciseType_1',
'onclick' => 'check_direct_feedback()',
)
);
}
}
$radios_feedback[] = $form->createElement(
'radio',
'exerciseFeedbackType',
null,
get_lang('NoFeedback'),
'2',
array('id' => 'exerciseType_2')
);
$form->addGroup(
$radios_feedback,
null,
array(
get_lang('FeedbackType'),
get_lang('FeedbackDisplayOptions'),
)
);
// Type of results display on the final page
$radios_results_disabled = array();
$radios_results_disabled[] = $form->createElement(
'radio',
'results_disabled',
null,
get_lang('ShowScoreAndRightAnswer'),
'0',
array('id' => 'result_disabled_0')
);
$radios_results_disabled[] = $form->createElement(
'radio',
'results_disabled',
null,
get_lang('DoNotShowScoreNorRightAnswer'),
'1',
array('id' => 'result_disabled_1', 'onclick' => 'check_results_disabled()')
);
$radios_results_disabled[] = $form->createElement(
'radio',
'results_disabled',
null,
get_lang('OnlyShowScore'),
'2',
array('id' => 'result_disabled_2')
);
$radios_results_disabled[] = $form->createElement(
'radio',
'results_disabled',
null,
get_lang('ShowScoreEveryAttemptShowAnswersLastAttempt'),
'4',
array('id' => 'result_disabled_4')
);
$form->addGroup(
$radios_results_disabled,
null,
get_lang('ShowResultsToStudents')
);
// Type of questions disposition on page
$radios = array();
$radios[] = $form->createElement('radio', 'exerciseType', null, get_lang('SimpleExercise'), '1', array('onclick' => 'check_per_page_all()', 'id'=>'option_page_all'));
$radios[] = $form->createElement('radio', 'exerciseType', null, get_lang('SequentialExercise'),'2', array('onclick' => 'check_per_page_one()', 'id'=>'option_page_one'));
$form->addGroup($radios, null, get_lang('QuestionsPerPage'));
} else {
// if is Direct feedback but has not questions we can allow to modify the question type
if ($this->selectNbrQuestions() == 0) {
// feedback type
$radios_feedback = array();
$radios_feedback[] = $form->createElement('radio', 'exerciseFeedbackType', null, get_lang('ExerciseAtTheEndOfTheTest'),'0',array('id' =>'exerciseType_0', 'onclick' => 'check_feedback()'));
if (api_get_setting('enable_quiz_scenario') == 'true') {
$radios_feedback[] = $form->createElement('radio', 'exerciseFeedbackType', null, get_lang('DirectFeedback'), '1', array('id' =>'exerciseType_1' , 'onclick' => 'check_direct_feedback()'));
}
$radios_feedback[] = $form->createElement('radio', 'exerciseFeedbackType', null, get_lang('NoFeedback'),'2',array('id' =>'exerciseType_2'));
$form->addGroup($radios_feedback, null, array(get_lang('FeedbackType'),get_lang('FeedbackDisplayOptions')));
//$form->addElement('select', 'exerciseFeedbackType',get_lang('FeedbackType'),$feedback_option,'onchange="javascript:feedbackselection()"');
$radios_results_disabled = array();
$radios_results_disabled[] = $form->createElement('radio', 'results_disabled', null, get_lang('ShowScoreAndRightAnswer'), '0', array('id'=>'result_disabled_0'));
$radios_results_disabled[] = $form->createElement('radio', 'results_disabled', null, get_lang('DoNotShowScoreNorRightAnswer'), '1',array('id'=>'result_disabled_1','onclick' => 'check_results_disabled()'));
$radios_results_disabled[] = $form->createElement('radio', 'results_disabled', null, get_lang('OnlyShowScore'), '2',array('id'=>'result_disabled_2','onclick' => 'check_results_disabled()'));
$form->addGroup($radios_results_disabled, null, get_lang('ShowResultsToStudents'),'');
// Type of questions disposition on page
$radios = array();
$radios[] = $form->createElement('radio', 'exerciseType', null, get_lang('SimpleExercise'), '1');
$radios[] = $form->createElement('radio', 'exerciseType', null, get_lang('SequentialExercise'),'2');
$form->addGroup($radios, null, get_lang('ExerciseType'));
} else {
//Show options freeze
$radios_results_disabled[] = $form->createElement('radio', 'results_disabled', null, get_lang('ShowScoreAndRightAnswer'), '0', array('id'=>'result_disabled_0'));
$radios_results_disabled[] = $form->createElement('radio', 'results_disabled', null, get_lang('DoNotShowScoreNorRightAnswer'), '1',array('id'=>'result_disabled_1','onclick' => 'check_results_disabled()'));
$radios_results_disabled[] = $form->createElement('radio', 'results_disabled', null, get_lang('OnlyShowScore'), '2',array('id'=>'result_disabled_2','onclick' => 'check_results_disabled()'));
$result_disable_group = $form->addGroup($radios_results_disabled, null, get_lang('ShowResultsToStudents'));
$result_disable_group->freeze();
//we force the options to the DirectFeedback exercisetype
$form->addElement('hidden', 'exerciseFeedbackType', EXERCISE_FEEDBACK_TYPE_DIRECT);
$form->addElement('hidden', 'exerciseType', ONE_PER_PAGE);
// Type of questions disposition on page
$radios[] = $form->createElement(
'radio',
'exerciseType',
null,
get_lang('SimpleExercise'),
'1',
array(
'onclick' => 'check_per_page_all()',
'id' => 'option_page_all',
)
);
$radios[] = $form->createElement(
'radio',
'exerciseType',
null,
get_lang('SequentialExercise'),
'2',
array(
'onclick' => 'check_per_page_one()',
'id' => 'option_page_one',
)
);
$type_group = $form->addGroup($radios, null, get_lang('QuestionsPerPage'));
$type_group->freeze();
}
}
$option = array(
EX_Q_SELECTION_ORDERED => get_lang('OrderedByUser'),
// Defined by user
EX_Q_SELECTION_RANDOM => get_lang('Random'),
// 1-10, All
'per_categories' => '--------'.get_lang('UsingCategories').'----------',
// Base (A 123 {3} B 456 {3} C 789{2} D 0{0}) --> Matrix {3, 3, 2, 0}
EX_Q_SELECTION_CATEGORIES_ORDERED_QUESTIONS_ORDERED => get_lang('OrderedCategoriesAlphabeticallyWithQuestionsOrdered'),
// A 123 B 456 C 78 (0, 1, all)
EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_ORDERED => get_lang('RandomCategoriesWithQuestionsOrdered'),
// C 78 B 456 A 123
EX_Q_SELECTION_CATEGORIES_ORDERED_QUESTIONS_RANDOM => get_lang('OrderedCategoriesAlphabeticallyWithRandomQuestions'),
// A 321 B 654 C 87
EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_RANDOM => get_lang('RandomCategoriesWithRandomQuestions'),
// C 87 B 654 A 321
//EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_ORDERED_NO_GROUPED => get_lang('RandomCategoriesWithQuestionsOrderedNoQuestionGrouped'),
/* B 456 C 78 A 123
456 78 123
123 456 78
*/
//EX_Q_SELECTION_CATEGORIES_RANDOM_QUESTIONS_RANDOM_NO_GROUPED => get_lang('RandomCategoriesWithRandomQuestionsNoQuestionGrouped'),
/*
A 123 B 456 C 78
B 456 C 78 A 123
B 654 C 87 A 321
654 87 321
165 842 73
*/
//EX_Q_SELECTION_CATEGORIES_ORDERED_BY_PARENT_QUESTIONS_ORDERED => get_lang('OrderedCategoriesByParentWithQuestionsOrdered'),
//EX_Q_SELECTION_CATEGORIES_ORDERED_BY_PARENT_QUESTIONS_RANDOM => get_lang('OrderedCategoriesByParentWithQuestionsRandom'),
);
$form->addElement(
'select',
'question_selection_type',
array(get_lang('QuestionSelection')),
$option,
array(
'id' => 'questionSelection',
'onchange' => 'checkQuestionSelection()'
)
);
$displayMatrix = 'none';
$displayRandom = 'none';
$selectionType = $this->getQuestionSelectionType();
switch ($selectionType) {
case EX_Q_SELECTION_RANDOM:
$displayRandom = 'block';
break;
case $selectionType >= EX_Q_SELECTION_CATEGORIES_ORDERED_QUESTIONS_ORDERED:
$displayMatrix = 'block';
break;
}
$form->addElement(
'html',
'<div id="hidden_random" style="display:'.$displayRandom.'">'
);
// Number of random question.
$max = ($this->id > 0) ? $this->selectNbrQuestions() : 10;
$option = range(0, $max);
$option[0] = get_lang('No');
$option[-1] = get_lang('AllQuestionsShort');
$form->addElement(
'select',
'randomQuestions',
array(
get_lang('RandomQuestions'),
get_lang('RandomQuestionsHelp')
),
$option,
array('id' => 'randomQuestions')
);
$form->addElement('html', '</div>');
$form->addElement(
'html',
'<div id="hidden_matrix" style="display:'.$displayMatrix.'">'
);
// Category selection.
$cat = new TestCategory();
$cat_form = $cat->returnCategoryForm($this);
if (empty($cat_form)) {
$cat_form = '<span class="label label-warning">' . get_lang('NoCategoriesDefined') . '</span>';
}
$form->addElement('label', null, $cat_form);
$form->addElement('html', '</div>');
// Category name.
$radio_display_cat_name = array(
$form->createElement('radio', 'display_category_name', null, get_lang('Yes'), '1'),
$form->createElement('radio', 'display_category_name', null, get_lang('No'), '0')
);
$form->addGroup($radio_display_cat_name, null, get_lang('QuestionDisplayCategoryName'));
// Random answers.
$radios_random_answers = array(
$form->createElement('radio', 'randomAnswers', null, get_lang('Yes'), '1'),
$form->createElement('radio', 'randomAnswers', null, get_lang('No'), '0')
);
$form->addGroup($radios_random_answers, null, get_lang('RandomAnswers'));
// Hide question title.
$group = array(
$form->createElement('radio', 'hide_question_title', null, get_lang('Yes'), '1'),
$form->createElement('radio', 'hide_question_title', null, get_lang('No'), '0')
);
$form->addGroup($group, null, get_lang('HideQuestionTitle'));
// Attempts
$attempt_option = range(0, 10);
$attempt_option[0] = get_lang('Infinite');
$form->addElement(
'select',
'exerciseAttempts',
get_lang('ExerciseAttempts'),
$attempt_option,
['id' => 'exerciseAttempts']
);
// Exercise time limit
$form->addElement('checkbox', 'activate_start_date_check',null, get_lang('EnableStartTime'), array('onclick' => 'activate_start_date()'));
$var = self::selectTimeLimit();
if (!empty($this->start_time)) {
$form->addElement('html', '<div id="start_date_div" style="display:block;">');
} else {
$form->addElement('html', '<div id="start_date_div" style="display:none;">');
}
$form->addElement('date_time_picker', 'start_time');
$form->addElement('html','</div>');
$form->addElement('checkbox', 'activate_end_date_check', null , get_lang('EnableEndTime'), array('onclick' => 'activate_end_date()'));
if (!empty($this->end_time)) {
$form->addElement('html', '<div id="end_date_div" style="display:block;">');
} else {
$form->addElement('html', '<div id="end_date_div" style="display:none;">');
}
$form->addElement('date_time_picker', 'end_time');
$form->addElement('html','</div>');
$display = 'block';
$form->addElement('checkbox', 'propagate_neg', null, get_lang('PropagateNegativeResults'));
$form->addCheckBox(
'save_correct_answers',
null,
get_lang('SaveTheCorrectAnswersForTheNextAttempt')
);
$form->addElement('html','<div class="clear">&nbsp;</div>');
$form->addElement('checkbox', 'review_answers', null, get_lang('ReviewAnswers'));
$form->addElement('html','<div id="divtimecontrol" style="display:'.$display.';">');
// Timer control
//$time_hours_option = range(0,12);
//$time_minutes_option = range(0,59);
$form->addElement(
'checkbox',
'enabletimercontrol',
null,
get_lang('EnableTimerControl'),
array(
'onclick' => 'option_time_expired()',
'id' => 'enabletimercontrol',
'onload' => 'check_load_time()',
)
);
$expired_date = (int)$this->selectExpiredTime();
if (($expired_date != '0')) {
$form->addElement('html','<div id="timercontrol" style="display:block;">');
} else {
$form->addElement('html','<div id="timercontrol" style="display:none;">');
}
$form->addText(
'enabletimercontroltotalminutes',
get_lang('ExerciseTotalDurationInMinutes'),
false,
[
'id' => 'enabletimercontroltotalminutes',
'cols-size' => [2, 2, 8]
]
);
$form->addElement('html','</div>');
$form->addElement(
'text',
'pass_percentage',
array(get_lang('PassPercentage'), null, '%'),
array('id' => 'pass_percentage')
);
$form->addRule('pass_percentage', get_lang('Numeric'), 'numeric');
$form->addRule('pass_percentage', get_lang('ValueTooSmall'), 'min_numeric_length', 0);
$form->addRule('pass_percentage', get_lang('ValueTooBig'), 'max_numeric_length', 100);
// add the text_when_finished textbox
$form->addHtmlEditor(
'text_when_finished',
get_lang('TextWhenFinished'),
false,
false,
$editor_config
);
$form->addCheckBox('update_title_in_lps', null, get_lang('UpdateTitleInLps'));
$defaults = array();
if (api_get_setting('search_enabled') === 'true') {
require_once api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php';
$form->addElement('checkbox', 'index_document', '', get_lang('SearchFeatureDoIndexDocument'));
$form->addSelectLanguage('language', get_lang('SearchFeatureDocumentLanguage'));
$specific_fields = get_specific_field_list();
foreach ($specific_fields as $specific_field) {
$form->addElement ('text', $specific_field['code'], $specific_field['name']);
$filter = array(
'c_id' => api_get_course_int_id(),
'field_id' => $specific_field['id'],
'ref_id' => $this->id,
'tool_id' => "'" . TOOL_QUIZ . "'"
);
$values = get_specific_field_values_list($filter, array('value'));
if ( !empty($values) ) {
$arr_str_values = array();
foreach ($values as $value) {
$arr_str_values[] = $value['value'];
}
$defaults[$specific_field['code']] = implode(', ', $arr_str_values);
}
}
}
$form->addElement('html','</div>'); //End advanced setting
$form->addElement('html','</div>');
}
// submit
if (isset($_GET['exerciseId'])) {
$form->addButtonSave(get_lang('ModifyExercise'), 'submitExercise');
} else {
$form->addButtonUpdate(get_lang('ProcedToQuestions'), 'submitExercise');
}
$form->addRule('exerciseTitle', get_lang('GiveExerciseName'), 'required');
if ($type == 'full') {
// rules
$form->addRule('exerciseAttempts', get_lang('Numeric'), 'numeric');
$form->addRule('start_time', get_lang('InvalidDate'), 'datetime');
$form->addRule('end_time', get_lang('InvalidDate'), 'datetime');
}
// defaults
if ($type=='full') {
if ($this->id > 0) {
if ($this->random > $this->selectNbrQuestions()) {
$defaults['randomQuestions'] = $this->selectNbrQuestions();
} else {
$defaults['randomQuestions'] = $this->random;
}
$defaults['randomAnswers'] = $this->selectRandomAnswers();
$defaults['exerciseType'] = $this->selectType();
$defaults['exerciseTitle'] = $this->get_formated_title();
$defaults['exerciseDescription'] = $this->selectDescription();
$defaults['exerciseAttempts'] = $this->selectAttempts();
$defaults['exerciseFeedbackType'] = $this->selectFeedbackType();
$defaults['results_disabled'] = $this->selectResultsDisabled();
$defaults['propagate_neg'] = $this->selectPropagateNeg();
$defaults['save_correct_answers'] = $this->selectSaveCorrectAnswers();
$defaults['review_answers'] = $this->review_answers;
$defaults['randomByCat'] = $this->selectRandomByCat();
$defaults['text_when_finished'] = $this->selectTextWhenFinished();
$defaults['display_category_name'] = $this->selectDisplayCategoryName();
$defaults['pass_percentage'] = $this->selectPassPercentage();
$defaults['question_selection_type'] = $this->getQuestionSelectionType();
$defaults['hide_question_title'] = $this->getHideQuestionTitle();
if (!empty($this->start_time)) {
$defaults['activate_start_date_check'] = 1;
}
if (!empty($this->end_time)) {
$defaults['activate_end_date_check'] = 1;
}
$defaults['start_time'] = !empty($this->start_time) ? api_get_local_time($this->start_time) : date('Y-m-d 12:00:00');
$defaults['end_time'] = !empty($this->end_time) ? api_get_local_time($this->end_time) : date('Y-m-d 12:00:00', time()+84600);
// Get expired time
if ($this->expired_time != '0') {
$defaults['enabletimercontrol'] = 1;
$defaults['enabletimercontroltotalminutes'] = $this->expired_time;
} else {
$defaults['enabletimercontroltotalminutes'] = 0;
}
} else {
$defaults['exerciseType'] = 2;
$defaults['exerciseAttempts'] = 0;
$defaults['randomQuestions'] = 0;
$defaults['randomAnswers'] = 0;
$defaults['exerciseDescription'] = '';
$defaults['exerciseFeedbackType'] = 0;
$defaults['results_disabled'] = 0;
$defaults['randomByCat'] = 0;
$defaults['text_when_finished'] = '';
$defaults['start_time'] = date('Y-m-d 12:00:00');
$defaults['display_category_name'] = 1;
$defaults['end_time'] = date('Y-m-d 12:00:00', time()+84600);
$defaults['pass_percentage'] = '';
$defaults['end_button'] = $this->selectEndButton();
$defaults['question_selection_type'] = 1;
$defaults['hide_question_title'] = 0;
$defaults['on_success_message'] = null;
$defaults['on_failed_message'] = null;
}
} else {
$defaults['exerciseTitle'] = $this->selectTitle();
$defaults['exerciseDescription'] = $this->selectDescription();
}
if (api_get_setting('search_enabled') === 'true') {
$defaults['index_document'] = 'checked="checked"';
}
$form->setDefaults($defaults);
// Freeze some elements.
if ($this->id != 0 && $this->edit_exercise_in_lp == false) {
$elementsToFreeze = array(
'randomQuestions',
//'randomByCat',
'exerciseAttempts',
'propagate_neg',
'enabletimercontrol',
'review_answers'
);
foreach ($elementsToFreeze as $elementName) {
/** @var HTML_QuickForm_element $element */
$element = $form->getElement($elementName);
$element->freeze();
}
}
}
/**
* function which process the creation of exercises
* @param FormValidator $form
* @param string
*/
public function processCreation($form, $type = '')
{
$this->updateTitle(self::format_title_variable($form->getSubmitValue('exerciseTitle')));
$this->updateDescription($form->getSubmitValue('exerciseDescription'));
$this->updateAttempts($form->getSubmitValue('exerciseAttempts'));
$this->updateFeedbackType($form->getSubmitValue('exerciseFeedbackType'));
$this->updateType($form->getSubmitValue('exerciseType'));
$this->setRandom($form->getSubmitValue('randomQuestions'));
$this->updateRandomAnswers($form->getSubmitValue('randomAnswers'));
$this->updateResultsDisabled($form->getSubmitValue('results_disabled'));
$this->updateExpiredTime($form->getSubmitValue('enabletimercontroltotalminutes'));
$this->updatePropagateNegative($form->getSubmitValue('propagate_neg'));
$this->updateSaveCorrectAnswers($form->getSubmitValue('save_correct_answers'));
$this->updateRandomByCat($form->getSubmitValue('randomByCat'));
$this->updateTextWhenFinished($form->getSubmitValue('text_when_finished'));
$this->updateDisplayCategoryName($form->getSubmitValue('display_category_name'));
$this->updateReviewAnswers($form->getSubmitValue('review_answers'));
$this->updatePassPercentage($form->getSubmitValue('pass_percentage'));
$this->updateCategories($form->getSubmitValue('category'));
$this->updateEndButton($form->getSubmitValue('end_button'));
$this->setOnSuccessMessage($form->getSubmitValue('on_success_message'));
$this->setOnFailedMessage($form->getSubmitValue('on_failed_message'));
$this->updateEmailNotificationTemplate($form->getSubmitValue('email_notification_template'));
$this->updateEmailNotificationTemplateToUser($form->getSubmitValue('email_notification_template_to_user'));
$this->setNotifyUserByEmail($form->getSubmitValue('notify_user_by_email'));
$this->setModelType($form->getSubmitValue('model_type'));
$this->setQuestionSelectionType($form->getSubmitValue('question_selection_type'));
$this->setHideQuestionTitle($form->getSubmitValue('hide_question_title'));
$this->sessionId = api_get_session_id();
$this->setQuestionSelectionType($form->getSubmitValue('question_selection_type'));
$this->setScoreTypeModel($form->getSubmitValue('score_type_model'));
$this->setGlobalCategoryId($form->getSubmitValue('global_category_id'));
if ($form->getSubmitValue('activate_start_date_check') == 1) {
$start_time = $form->getSubmitValue('start_time');
$this->start_time = api_get_utc_datetime($start_time);
} else {
$this->start_time = null;
}
if ($form->getSubmitValue('activate_end_date_check') == 1) {
$end_time = $form->getSubmitValue('end_time');
$this->end_time = api_get_utc_datetime($end_time);
} else {
$this->end_time = null;
}
if ($form->getSubmitValue('enabletimercontrol') == 1) {
$expired_total_time = $form->getSubmitValue('enabletimercontroltotalminutes');
if ($this->expired_time == 0) {
$this->expired_time = $expired_total_time;
}
} else {
$this->expired_time = 0;
}
if ($form->getSubmitValue('randomAnswers') == 1) {
$this->random_answers = 1;
} else {
$this->random_answers = 0;
}
// Update title in all LPs that have this quiz added
if ($form->getSubmitValue('update_title_in_lps') == 1) {
$courseId = api_get_course_int_id();
$table = Database::get_course_table(TABLE_LP_ITEM);
$sql = "SELECT * FROM $table
WHERE
c_id = $courseId AND
item_type = 'quiz' AND
path = '".$this->id."'
";
$result = Database::query($sql);
$items = Database::store_result($result);
if (!empty($items)) {
foreach ($items as $item) {
$itemId = $item['iid'];
$sql = "UPDATE $table SET title = '".$this->title."'
WHERE iid = $itemId AND c_id = $courseId ";
Database::query($sql);
}
}
}
$this->save($type);
}
function search_engine_save()
{
if ($_POST['index_document'] != 1) {
return;
}
$course_id = api_get_course_id();
require_once api_get_path(LIBRARY_PATH) . 'search/ChamiloIndexer.class.php';
require_once api_get_path(LIBRARY_PATH) . 'search/IndexableChunk.class.php';
require_once api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php';
$specific_fields = get_specific_field_list();
$ic_slide = new IndexableChunk();
$all_specific_terms = '';
foreach ($specific_fields as $specific_field) {
if (isset($_REQUEST[$specific_field['code']])) {
$sterms = trim($_REQUEST[$specific_field['code']]);
if (!empty($sterms)) {
$all_specific_terms .= ' '. $sterms;
$sterms = explode(',', $sterms);
foreach ($sterms as $sterm) {
$ic_slide->addTerm(trim($sterm), $specific_field['code']);
add_specific_field_value($specific_field['id'], $course_id, TOOL_QUIZ, $this->id, $sterm);
}
}
}
}
// build the chunk to index
$ic_slide->addValue("title", $this->exercise);
$ic_slide->addCourseId($course_id);
$ic_slide->addToolId(TOOL_QUIZ);
$xapian_data = array(
SE_COURSE_ID => $course_id,
SE_TOOL_ID => TOOL_QUIZ,
SE_DATA => array('type' => SE_DOCTYPE_EXERCISE_EXERCISE, 'exercise_id' => (int)$this->id),
SE_USER => (int)api_get_user_id(),
);
$ic_slide->xapian_data = serialize($xapian_data);
$exercise_description = $all_specific_terms .' '. $this->description;
$ic_slide->addValue("content", $exercise_description);
$di = new ChamiloIndexer();
isset($_POST['language'])? $lang=Database::escape_string($_POST['language']): $lang = 'english';
$di->connectDb(NULL, NULL, $lang);
$di->addChunk($ic_slide);
//index and return search engine document id
$did = $di->index();
if ($did) {
// save it to db
$tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
$sql = 'INSERT INTO %s (id, course_code, tool_id, ref_id_high_level, search_did)
VALUES (NULL , \'%s\', \'%s\', %s, %s)';
$sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id, $did);
Database::query($sql);
}
}
function search_engine_edit()
{
// update search enchine and its values table if enabled
if (api_get_setting('search_enabled')=='true' && extension_loaded('xapian')) {
$course_id = api_get_course_id();
// actually, it consists on delete terms from db,
// insert new ones, create a new search engine document, and remove the old one
// get search_did
$tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
$sql = 'SELECT * FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s LIMIT 1';
$sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id);
$res = Database::query($sql);
if (Database::num_rows($res) > 0) {
require_once(api_get_path(LIBRARY_PATH) . 'search/ChamiloIndexer.class.php');
require_once(api_get_path(LIBRARY_PATH) . 'search/IndexableChunk.class.php');
require_once(api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php');
$se_ref = Database::fetch_array($res);
$specific_fields = get_specific_field_list();
$ic_slide = new IndexableChunk();
$all_specific_terms = '';
foreach ($specific_fields as $specific_field) {
delete_all_specific_field_value($course_id, $specific_field['id'], TOOL_QUIZ, $this->id);
if (isset($_REQUEST[$specific_field['code']])) {
$sterms = trim($_REQUEST[$specific_field['code']]);
$all_specific_terms .= ' '. $sterms;
$sterms = explode(',', $sterms);
foreach ($sterms as $sterm) {
$ic_slide->addTerm(trim($sterm), $specific_field['code']);
add_specific_field_value($specific_field['id'], $course_id, TOOL_QUIZ, $this->id, $sterm);
}
}
}
// build the chunk to index
$ic_slide->addValue("title", $this->exercise);
$ic_slide->addCourseId($course_id);
$ic_slide->addToolId(TOOL_QUIZ);
$xapian_data = array(
SE_COURSE_ID => $course_id,
SE_TOOL_ID => TOOL_QUIZ,
SE_DATA => array('type' => SE_DOCTYPE_EXERCISE_EXERCISE, 'exercise_id' => (int)$this->id),
SE_USER => (int)api_get_user_id(),
);
$ic_slide->xapian_data = serialize($xapian_data);
$exercise_description = $all_specific_terms .' '. $this->description;
$ic_slide->addValue("content", $exercise_description);
$di = new ChamiloIndexer();
isset($_POST['language']) ? $lang = Database::escape_string($_POST['language']): $lang = 'english';
$di->connectDb(null, null, $lang);
$di->remove_document((int)$se_ref['search_did']);
$di->addChunk($ic_slide);
//index and return search engine document id
$did = $di->index();
if ($did) {
// save it to db
$sql = 'DELETE FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=\'%s\'';
$sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id);
Database::query($sql);
$sql = 'INSERT INTO %s (id, course_code, tool_id, ref_id_high_level, search_did)
VALUES (NULL , \'%s\', \'%s\', %s, %s)';
$sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id, $did);
Database::query($sql);
}
} else {
$this->search_engine_save();
}
}
}
function search_engine_delete()
{
// remove from search engine if enabled
if (api_get_setting('search_enabled') == 'true' && extension_loaded('xapian') ) {
$course_id = api_get_course_id();
$tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
$sql = 'SELECT * FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s AND ref_id_second_level IS NULL LIMIT 1';
$sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id);
$res = Database::query($sql);
if (Database::num_rows($res) > 0) {
$row = Database::fetch_array($res);
require_once(api_get_path(LIBRARY_PATH) .'search/ChamiloIndexer.class.php');
$di = new ChamiloIndexer();
$di->remove_document((int)$row['search_did']);
unset($di);
$tbl_quiz_question = Database::get_course_table(TABLE_QUIZ_QUESTION);
foreach ( $this->questionList as $question_i) {
$sql = 'SELECT type FROM %s WHERE id=%s';
$sql = sprintf($sql, $tbl_quiz_question, $question_i);
$qres = Database::query($sql);
if (Database::num_rows($qres) > 0) {
$qrow = Database::fetch_array($qres);
$objQuestion = Question::getInstance($qrow['type']);
$objQuestion = Question::read((int)$question_i);
$objQuestion->search_engine_edit($this->id, FALSE, TRUE);
unset($objQuestion);
}
}
}
$sql = 'DELETE FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s AND ref_id_second_level IS NULL LIMIT 1';
$sql = sprintf($sql, $tbl_se_ref, $course_id, TOOL_QUIZ, $this->id);
Database::query($sql);
// remove terms from db
require_once api_get_path(LIBRARY_PATH) .'specific_fields_manager.lib.php';
delete_all_values_for_item($course_id, TOOL_QUIZ, $this->id);
}
}
public function selectExpiredTime()
{
return $this->expired_time;
}
/**
* Cleans the student's results only for the Exercise tool (Not from the LP)
* The LP results are NOT deleted by default, otherwise put $cleanLpTests = true
* Works with exercises in sessions
* @param bool $cleanLpTests
* @param string $cleanResultBeforeDate
*
* @return int quantity of user's exercises deleted
*/
public function clean_results($cleanLpTests = false, $cleanResultBeforeDate = null)
{
$table_track_e_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
$table_track_e_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$sql_where = ' AND
orig_lp_id = 0 AND
orig_lp_item_id = 0';
// if we want to delete results from LP too
if ($cleanLpTests) {
$sql_where = "";
}
// if we want to delete attempts before date $cleanResultBeforeDate
// $cleanResultBeforeDate must be a valid UTC-0 date yyyy-mm-dd
if (!empty($cleanResultBeforeDate)) {
$cleanResultBeforeDate = Database::escape_string($cleanResultBeforeDate);
if (api_is_valid_date($cleanResultBeforeDate)) {
$sql_where .= " AND exe_date <= '$cleanResultBeforeDate' ";
} else {
return 0;
}
}
$sql = "SELECT exe_id
FROM $table_track_e_exercises
WHERE
c_id = ".api_get_course_int_id()." AND
exe_exo_id = ".$this->id." AND
session_id = ".api_get_session_id()." ".
$sql_where;
$result = Database::query($sql);
$exe_list = Database::store_result($result);
// deleting TRACK_E_ATTEMPT table
// check if exe in learning path or not
$i = 0;
if (is_array($exe_list) && count($exe_list) > 0) {
foreach ($exe_list as $item) {
$sql = "DELETE FROM $table_track_e_attempt
WHERE exe_id = '".$item['exe_id']."'";
Database::query($sql);
$i++;
}
}
$session_id = api_get_session_id();
// delete TRACK_E_EXERCISES table
$sql = "DELETE FROM $table_track_e_exercises
WHERE c_id = ".api_get_course_int_id()."
AND exe_exo_id = ".$this->id."
$sql_where
AND session_id = ".$session_id."";
Database::query($sql);
Event::addEvent(
LOG_EXERCISE_RESULT_DELETE,
LOG_EXERCISE_ID,
$this->id,
null,
null,
api_get_course_int_id(),
$session_id
);
return $i;
}
/**
* Copies an exercise (duplicate all questions and answers)
*/
public function copy_exercise()
{
$exercise_obj = $this;
// force the creation of a new exercise
$exercise_obj->updateTitle($exercise_obj->selectTitle().' - '.get_lang('Copy'));
//Hides the new exercise
$exercise_obj->updateStatus(false);
$exercise_obj->updateId(0);
$exercise_obj->save();
$new_exercise_id = $exercise_obj->selectId();
$question_list = $exercise_obj->selectQuestionList();
if (!empty($question_list)) {
//Question creation
foreach ($question_list as $old_question_id) {
$old_question_obj = Question::read($old_question_id);
$new_id = $old_question_obj->duplicate();
if ($new_id) {
$new_question_obj = Question::read($new_id);
if (isset($new_question_obj) && $new_question_obj) {
$new_question_obj->addToList($new_exercise_id);
// This should be moved to the duplicate function
$new_answer_obj = new Answer($old_question_id);
$new_answer_obj->read();
$new_answer_obj->duplicate($new_question_obj);
}
}
}
}
}
/**
* Changes the exercise id
*
* @param int $id - exercise id
*/
private function updateId($id)
{
$this->id = $id;
}
/**
* Changes the exercise status
*
* @param string $status - exercise status
*/
function updateStatus($status)
{
$this->active = $status;
}
/**
* @param int $lp_id
* @param int $lp_item_id
* @param int $lp_item_view_id
* @param string $status
* @return array
*/
public function get_stat_track_exercise_info(
$lp_id = 0,
$lp_item_id = 0,
$lp_item_view_id = 0,
$status = 'incomplete'
) {
$track_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
if (empty($lp_id)) {
$lp_id = 0;
}
if (empty($lp_item_id)) {
$lp_item_id = 0;
}
if (empty($lp_item_view_id)) {
$lp_item_view_id = 0;
}
$condition = ' WHERE exe_exo_id = ' . "'" . $this->id . "'" .' AND
exe_user_id = ' . "'" . api_get_user_id() . "'" . ' AND
c_id = ' . api_get_course_int_id() . ' AND
status = ' . "'" . Database::escape_string($status). "'" . ' AND
orig_lp_id = ' . "'" . $lp_id . "'" . ' AND
orig_lp_item_id = ' . "'" . $lp_item_id . "'" . ' AND
orig_lp_item_view_id = ' . "'" . $lp_item_view_id . "'" . ' AND
session_id = ' . "'" . api_get_session_id() . "' LIMIT 1"; //Adding limit 1 just in case
$sql_track = 'SELECT * FROM '.$track_exercises.$condition;
$result = Database::query($sql_track);
$new_array = array();
if (Database::num_rows($result) > 0 ) {
$new_array = Database::fetch_array($result, 'ASSOC');
$new_array['num_exe'] = Database::num_rows($result);
}
return $new_array;
}
/**
* Saves a test attempt
*
* @param int $clock_expired_time clock_expired_time
* @param int int lp id
* @param int int lp item id
* @param int int lp item_view id
* @param array $questionList
* @param float $weight
*
* @return int
*/
public function save_stat_track_exercise_info(
$clock_expired_time = 0,
$safe_lp_id = 0,
$safe_lp_item_id = 0,
$safe_lp_item_view_id = 0,
$questionList = array(),
$weight = 0
) {
$track_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
$safe_lp_id = intval($safe_lp_id);
$safe_lp_item_id = intval($safe_lp_item_id);
$safe_lp_item_view_id = intval($safe_lp_item_view_id);
if (empty($safe_lp_id)) {
$safe_lp_id = 0;
}
if (empty($safe_lp_item_id)) {
$safe_lp_item_id = 0;
}
if (empty($clock_expired_time)) {
$clock_expired_time = null;
}
$questionList = array_map('intval', $questionList);
$params = array(
'exe_exo_id' => $this->id ,
'exe_user_id' => api_get_user_id(),
'c_id' => api_get_course_int_id(),
'status' => 'incomplete',
'session_id' => api_get_session_id(),
'data_tracking' => implode(',', $questionList) ,
'start_date' => api_get_utc_datetime(),
'orig_lp_id' => $safe_lp_id,
'orig_lp_item_id' => $safe_lp_item_id,
'orig_lp_item_view_id' => $safe_lp_item_view_id,
'exe_weighting'=> $weight,
'user_ip' => api_get_real_ip(),
'exe_date' => api_get_utc_datetime(),
'exe_result' => 0,
'steps_counter' => 0,
'exe_duration' => 0,
'expired_time_control' => $clock_expired_time,
'questions_to_check' => ''
);
$id = Database::insert($track_exercises, $params);
return $id;
}
/**
* @param int $question_id
* @param int $questionNum
* @param array $questions_in_media
* @param string $currentAnswer
* @return string
*/
public function show_button($question_id, $questionNum, $questions_in_media = array(), $currentAnswer = '')
{
global $origin, $safe_lp_id, $safe_lp_item_id, $safe_lp_item_view_id;
$nbrQuestions = $this->get_count_question_list();
$all_button = [];
$html = $label = '';
$hotspot_get = isset($_POST['hotspot']) ? Security::remove_XSS($_POST['hotspot']):null;
if ($this->selectFeedbackType() == EXERCISE_FEEDBACK_TYPE_DIRECT && $this->type == ONE_PER_PAGE) {
$urlTitle = get_lang('ContinueTest');
if ($questionNum == count($this->questionList)) {
$urlTitle = get_lang('EndTest');
}
$html .= Display::url(
$urlTitle,
'exercise_submit_modal.php?' . http_build_query([
'learnpath_id' => $safe_lp_id,
'learnpath_item_id' => $safe_lp_item_id,
'learnpath_item_view_id' => $safe_lp_item_view_id,
'origin' => $origin,
'hotspot' => $hotspot_get,
'nbrQuestions' => $nbrQuestions,
'num' => $questionNum,
'exerciseType' => $this->type,
'exerciseId' => $this->id
]),
[
'class' => 'ajax btn btn-default',
'data-title' => $urlTitle,
'data-size' => 'md'
]
);
$html .='<br />';
} else {
// User
if (api_is_allowed_to_session_edit()) {
if ($this->type == ALL_ON_ONE_PAGE || $nbrQuestions == $questionNum) {
if ($this->review_answers) {
$label = get_lang('ReviewQuestions');
$class = 'btn btn-success';
} else {
$label = get_lang('EndTest');
$class = 'btn btn-warning';
}
} else {
$label = get_lang('NextQuestion');
$class = 'btn btn-primary';
}
$class .= ' question-validate-btn'; // used to select it with jquery
if ($this->type == ONE_PER_PAGE) {
if ($questionNum != 1) {
$prev_question = $questionNum - 2;
$all_button[] = Display::button(
'previous_question_and_save',
get_lang('PreviousQuestion'),
[
'type' => 'button',
'class' => 'btn btn-default',
'data-prev' => $prev_question,
'data-question' => $question_id
]
);
}
//Next question
if (!empty($questions_in_media)) {
$all_button[] = Display::button(
'save_question_list',
$label,
[
'type' => 'button',
'class' => $class,
'data-list' => implode(",", $questions_in_media)
]
);
} else {
$all_button[] = Display::button(
'save_now',
$label,
['type' => 'button', 'class' => $class, 'data-question' => $question_id]
);
}
$all_button[] = '<span id="save_for_now_'.$question_id.'" class="exercise_save_mini_message"></span>&nbsp;';
$html .= implode(PHP_EOL, $all_button);
} else {
if ($this->review_answers) {
$all_label = get_lang('ReviewQuestions');
$class = 'btn btn-success';
} else {
$all_label = get_lang('EndTest');
$class = 'btn btn-warning';
}
$class .= ' question-validate-btn'; // used to select it with jquery
$all_button[] = Display::button(
'validate_all',
$all_label,
['type' => 'button', 'class' => $class]
);
$all_button[] = '&nbsp;' . Display::span(null, ['id' => 'save_all_reponse']);
$html .= implode(PHP_EOL, $all_button);
}
}
}
return $html;
}
/**
* So the time control will work
*
* @param string $time_left
* @return string
*/
public function show_time_control_js($time_left)
{
$time_left = intval($time_left);
return "<script>
function get_expired_date_string(expired_time) {
var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
var day, month, year, hours, minutes, seconds, date_string;
var obj_date = new Date(expired_time);
day = obj_date.getDate();
if (day < 10) day = '0' + day;
month = obj_date.getMonth();
year = obj_date.getFullYear();
hours = obj_date.getHours();
if (hours < 10) hours = '0' + hours;
minutes = obj_date.getMinutes();
if (minutes < 10) minutes = '0' + minutes;
seconds = obj_date.getSeconds();
if (seconds < 10) seconds = '0' + seconds;
date_string = months[month] +' ' + day + ', ' + year + ' ' + hours + ':' + minutes + ':' + seconds;
return date_string;
}
function open_clock_warning() {
$('#clock_warning').dialog({
modal:true,
height:250,
closeOnEscape: false,
resizable: false,
buttons: {
'".addslashes(get_lang("EndTest"))."': function() {
$('#clock_warning').dialog('close');
}
},
close: function() {
send_form();
}
});
$('#clock_warning').dialog('open');
$('#counter_to_redirect').epiclock({
mode: $.epiclock.modes.countdown,
offset: {seconds: 5},
format: 's'
}).bind('timer', function () {
send_form();
});
}
function send_form() {
if ($('#exercise_form').length) {
$('#exercise_form').submit();
} else {
// In exercise_reminder.php
final_submit();
}
}
function onExpiredTimeExercise() {
$('#wrapper-clock').hide();
//$('#exercise_form').hide();
$('#expired-message-id').show();
//Fixes bug #5263
$('#num_current_id').attr('value', '".$this->selectNbrQuestions()."');
open_clock_warning();
}
$(document).ready(function() {
var current_time = new Date().getTime();
var time_left = parseInt(".$time_left."); // time in seconds when using minutes there are some seconds lost
var expired_time = current_time + (time_left*1000);
var expired_date = get_expired_date_string(expired_time);
$('#exercise_clock_warning').epiclock({
mode: $.epiclock.modes.countdown,
offset: {seconds: time_left},
format: 'x:i:s',
renderer: 'minute'
}).bind('timer', function () {
onExpiredTimeExercise();
});
$('#submit_save').click(function () {});
});
</script>";
}
/**
* Lp javascript for hotspots
*/
public function show_lp_javascript()
{
return '';
}
/**
* This function was originally found in the exercise_show.php
* @param int $exeId
* @param int $questionId
* @param int $choice the user selected
* @param string $from function is called from 'exercise_show' or 'exercise_result'
* @param array $exerciseResultCoordinates the hotspot coordinates $hotspot[$question_id] = coordinates
* @param bool $saved_results save results in the DB or just show the reponse
* @param bool $from_database gets information from DB or from the current selection
* @param bool $show_result show results or not
* @param int $propagate_neg
* @param array $hotspot_delineation_result
* @param bool $showTotalScoreAndUserChoicesInLastAttempt
* @todo reduce parameters of this function
* @return string html code
*/
public function manage_answer(
$exeId,
$questionId,
$choice,
$from = 'exercise_show',
$exerciseResultCoordinates = [],
$saved_results = true,
$from_database = false,
$show_result = true,
$propagate_neg = 0,
$hotspot_delineation_result = [],
$showTotalScoreAndUserChoicesInLastAttempt = true
) {
global $debug;
//needed in order to use in the exercise_attempt() for the time
global $learnpath_id, $learnpath_item_id;
require_once api_get_path(LIBRARY_PATH).'geometry.lib.php';
$em = Database::getManager();
$feedback_type = $this->selectFeedbackType();
$results_disabled = $this->selectResultsDisabled();
if ($debug) {
error_log("<------ manage_answer ------> ");
error_log('exe_id: '.$exeId);
error_log('$from: '.$from);
error_log('$saved_results: '.intval($saved_results));
error_log('$from_database: '.intval($from_database));
error_log('$show_result: '.$show_result);
error_log('$propagate_neg: '.$propagate_neg);
error_log('$exerciseResultCoordinates: '.print_r($exerciseResultCoordinates, 1));
error_log('$hotspot_delineation_result: '.print_r($hotspot_delineation_result, 1));
error_log('$learnpath_id: '.$learnpath_id);
error_log('$learnpath_item_id: '.$learnpath_item_id);
error_log('$choice: '.print_r($choice, 1));
}
$final_overlap = 0;
$final_missing = 0;
$final_excess = 0;
$overlap_color = 0;
$missing_color = 0;
$excess_color = 0;
$threadhold1 = 0;
$threadhold2 = 0;
$threadhold3 = 0;
$arrques = null;
$arrans = null;
$questionId = intval($questionId);
$exeId = intval($exeId);
$TBL_TRACK_ATTEMPT = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$table_ans = Database::get_course_table(TABLE_QUIZ_ANSWER);
// Creates a temporary Question object
$course_id = $this->course_id;
$objQuestionTmp = Question::read($questionId, $course_id);
if ($objQuestionTmp === false) {
return false;
}
$questionName = $objQuestionTmp->selectTitle();
$questionWeighting = $objQuestionTmp->selectWeighting();
$answerType = $objQuestionTmp->selectType();
$quesId = $objQuestionTmp->selectId();
$extra = $objQuestionTmp->extra;
$next = 1; //not for now
$totalWeighting = 0;
$totalScore = 0;
// Extra information of the question
if ($answerType == MULTIPLE_ANSWER_TRUE_FALSE && !empty($extra)) {
$extra = explode(':', $extra);
if ($debug) {
error_log(print_r($extra, 1));
}
// Fixes problems with negatives values using intval
$true_score = floatval(trim($extra[0]));
$false_score = floatval(trim($extra[1]));
$doubt_score = floatval(trim($extra[2]));
}
// Construction of the Answer object
$objAnswerTmp = new Answer($questionId);
$nbrAnswers = $objAnswerTmp->selectNbrAnswers();
if ($debug) {
error_log('Count of answers: '.$nbrAnswers);
error_log('$answerType: '.$answerType);
}
if ($answerType == FREE_ANSWER ||
$answerType == ORAL_EXPRESSION ||
$answerType == CALCULATED_ANSWER ||
$answerType == ANNOTATION
) {
$nbrAnswers = 1;
}
if ($answerType == ORAL_EXPRESSION) {
$exe_info = Event::get_exercise_results_by_attempt($exeId);
$exe_info = isset($exe_info[$exeId]) ? $exe_info[$exeId] : null;
$objQuestionTmp->initFile(
api_get_session_id(),
isset($exe_info['exe_user_id']) ? $exe_info['exe_user_id'] : api_get_user_id(),
isset($exe_info['exe_exo_id']) ? $exe_info['exe_exo_id'] : $this->id,
isset($exe_info['exe_id']) ? $exe_info['exe_id'] : $exeId
);
//probably this attempt came in an exercise all question by page
if ($feedback_type == 0) {
$objQuestionTmp->replaceWithRealExe($exeId);
}
}
$user_answer = '';
// Get answer list for matching
$sql = "SELECT id_auto, id, answer
FROM $table_ans
WHERE c_id = $course_id AND question_id = $questionId";
$res_answer = Database::query($sql);
$answerMatching = array();
while ($real_answer = Database::fetch_array($res_answer)) {
$answerMatching[$real_answer['id_auto']] = $real_answer['answer'];
}
$real_answers = array();
$quiz_question_options = Question::readQuestionOption(
$questionId,
$course_id
);
$organs_at_risk_hit = 0;
$questionScore = 0;
$answer_correct_array = array();
$orderedHotspots = [];
if ($answerType == HOT_SPOT || $answerType == ANNOTATION) {
$orderedHotspots = $em
->getRepository('ChamiloCoreBundle:TrackEHotspot')
->findBy([
'hotspotQuestionId' => $questionId,
'cId' => $course_id,
'hotspotExeId' => $exeId
],
['hotspotAnswerId' => 'ASC']
);
}
if ($debug) error_log('Start answer loop ');
for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
$answer = $objAnswerTmp->selectAnswer($answerId);
$answerComment = $objAnswerTmp->selectComment($answerId);
$answerCorrect = $objAnswerTmp->isCorrect($answerId);
$answerWeighting = (float)$objAnswerTmp->selectWeighting($answerId);
$answerAutoId = $objAnswerTmp->selectAutoId($answerId);
$answerIid = isset($objAnswerTmp->iid[$answerId]) ? $objAnswerTmp->iid[$answerId] : '';
$answer_correct_array[$answerId] = (bool)$answerCorrect;
if ($debug) {
error_log("answer auto id: $answerAutoId ");
error_log("answer correct: $answerCorrect ");
}
// Delineation
$delineation_cord = $objAnswerTmp->selectHotspotCoordinates(1);
$answer_delineation_destination=$objAnswerTmp->selectDestination(1);
switch ($answerType) {
// for unique answer
case UNIQUE_ANSWER:
case UNIQUE_ANSWER_IMAGE:
case UNIQUE_ANSWER_NO_OPTION:
case READING_COMPREHENSION:
if ($from_database) {
$sql = "SELECT answer FROM $TBL_TRACK_ATTEMPT
WHERE
exe_id = '".$exeId."' AND
question_id= '".$questionId."'";
$result = Database::query($sql);
$choice = Database::result($result,0,"answer");
$studentChoice = $choice == $answerAutoId ? 1 : 0;
if ($studentChoice) {
$questionScore += $answerWeighting;
$totalScore += $answerWeighting;
}
} else {
$studentChoice = $choice == $answerAutoId ? 1 : 0;
if ($studentChoice) {
$questionScore += $answerWeighting;
$totalScore += $answerWeighting;
}
}
break;
// for multiple answers
case MULTIPLE_ANSWER_TRUE_FALSE:
if ($from_database) {
$choice = array();
$sql = "SELECT answer FROM $TBL_TRACK_ATTEMPT
WHERE
exe_id = $exeId AND
question_id = ".$questionId;
$result = Database::query($sql);
while ($row = Database::fetch_array($result)) {
$ind = $row['answer'];
$values = explode(':', $ind);
$my_answer_id = isset($values[0]) ? $values[0] : '';
$option = isset($values[1]) ? $values[1] : '';
$choice[$my_answer_id] = $option;
}
}
$studentChoice = isset($choice[$answerAutoId]) ? $choice[$answerAutoId] : null;
if (!empty($studentChoice)) {
if ($studentChoice == $answerCorrect) {
$questionScore += $true_score;
} else {
if ($quiz_question_options[$studentChoice]['name'] == "Don't know" ||
$quiz_question_options[$studentChoice]['name'] == "DoubtScore"
) {
$questionScore += $doubt_score;
} else {
$questionScore += $false_score;
}
}
} else {
// If no result then the user just hit don't know
$studentChoice = 3;
$questionScore += $doubt_score;
}
$totalScore = $questionScore;
break;
case MULTIPLE_ANSWER: //2
if ($from_database) {
$choice = array();
$sql = "SELECT answer FROM ".$TBL_TRACK_ATTEMPT."
WHERE exe_id = '".$exeId."' AND question_id= '".$questionId."'";
$resultans = Database::query($sql);
while ($row = Database::fetch_array($resultans)) {
$ind = $row['answer'];
$choice[$ind] = 1;
}
$studentChoice = isset($choice[$answerAutoId]) ? $choice[$answerAutoId] : null;
$real_answers[$answerId] = (bool)$studentChoice;
if ($studentChoice) {
$questionScore +=$answerWeighting;
}
} else {
$studentChoice = isset($choice[$answerAutoId]) ? $choice[$answerAutoId] : null;
$real_answers[$answerId] = (bool)$studentChoice;
if (isset($studentChoice)) {
$questionScore += $answerWeighting;
}
}
$totalScore += $answerWeighting;
if ($debug) error_log("studentChoice: $studentChoice");
break;
case GLOBAL_MULTIPLE_ANSWER:
if ($from_database) {
$choice = array();
$sql = "SELECT answer FROM $TBL_TRACK_ATTEMPT
WHERE exe_id = '".$exeId."' AND question_id= '".$questionId."'";
$resultans = Database::query($sql);
while ($row = Database::fetch_array($resultans)) {
$ind = $row['answer'];
$choice[$ind] = 1;
}
$studentChoice = isset($choice[$answerAutoId]) ? $choice[$answerAutoId] : null;
$real_answers[$answerId] = (bool)$studentChoice;
if ($studentChoice) {
$questionScore +=$answerWeighting;
}
} else {
$studentChoice = isset($choice[$answerAutoId]) ? $choice[$answerAutoId] : null;
if (isset($studentChoice)) {
$questionScore += $answerWeighting;
}
$real_answers[$answerId] = (bool)$studentChoice;
}
$totalScore += $answerWeighting;
if ($debug) error_log("studentChoice: $studentChoice");
break;
case MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE:
if ($from_database) {
$sql = "SELECT answer FROM ".$TBL_TRACK_ATTEMPT."
WHERE exe_id = $exeId AND question_id= ".$questionId;
$resultans = Database::query($sql);
while ($row = Database::fetch_array($resultans)) {
$ind = $row['answer'];
$result = explode(':',$ind);
if (isset($result[0])) {
$my_answer_id = isset($result[0]) ? $result[0] : '';
$option = isset($result[1]) ? $result[1] : '';
$choice[$my_answer_id] = $option;
}
}
$studentChoice = isset($choice[$answerAutoId]) ? $choice[$answerAutoId] : '';
if ($answerCorrect == $studentChoice) {
//$answerCorrect = 1;
$real_answers[$answerId] = true;
} else {
//$answerCorrect = 0;
$real_answers[$answerId] = false;
}
} else {
$studentChoice = isset($choice[$answerAutoId]) ? $choice[$answerAutoId] : '';
if ($answerCorrect == $studentChoice) {
//$answerCorrect = 1;
$real_answers[$answerId] = true;
} else {
//$answerCorrect = 0;
$real_answers[$answerId] = false;
}
}
break;
case MULTIPLE_ANSWER_COMBINATION:
if ($from_database) {
$sql = "SELECT answer FROM $TBL_TRACK_ATTEMPT
WHERE exe_id = $exeId AND question_id= $questionId";
$resultans = Database::query($sql);
while ($row = Database::fetch_array($resultans)) {
$ind = $row['answer'];
$choice[$ind] = 1;
}
$studentChoice = isset($choice[$answerAutoId]) ? $choice[$answerAutoId] : null;
if ($answerCorrect == 1) {
if ($studentChoice) {
$real_answers[$answerId] = true;
} else {
$real_answers[$answerId] = false;
}
} else {
if ($studentChoice) {
$real_answers[$answerId] = false;
} else {
$real_answers[$answerId] = true;
}
}
} else {
$studentChoice = isset($choice[$answerAutoId]) ? $choice[$answerAutoId] : null;
if ($answerCorrect == 1) {
if ($studentChoice) {
$real_answers[$answerId] = true;
} else {
$real_answers[$answerId] = false;
}
} else {
if ($studentChoice) {
$real_answers[$answerId] = false;
} else {
$real_answers[$answerId] = true;
}
}
}
break;
case FILL_IN_BLANKS:
$str = '';
$answerFromDatabase = '';
if ($from_database) {
$sql = "SELECT answer
FROM $TBL_TRACK_ATTEMPT
WHERE
exe_id = $exeId AND
question_id= ".intval($questionId);
$result = Database::query($sql);
$str = $answerFromDatabase = Database::result($result, 0, 'answer');
}
if ($saved_results == false && strpos($str, 'font color') !== false) {
// 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;
$answer = '';
$j = 0;
//initialise answer tags
$user_tags = $correct_tags = $real_text = array();
// the loop will stop at the end of the text
while (1) {
// quits the loop if there are no more blanks (detect '[')
if ($temp == false || ($pos = api_strpos($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 .= $temp;
break;
}
if ($from_database) {
$str = $answerFromDatabase;
api_preg_match_all('#\[([^[]*)\]#', $str, $arr);
$str = str_replace('\r\n', '', $str);
$choice = $arr[1];
if (isset($choice[$j])) {
$tmp = api_strrpos($choice[$j], ' / ');
$choice[$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]);
} else {
$choice[$j] = null;
}
} else {
// This value is the user input, not escaped while correct answer is escaped by fckeditor
$choice[$j] = api_htmlentities(trim($choice[$j]));
}
$user_tags[] = $choice[$j];
//put the contents of the [] answer tag into correct_tags[]
$correct_tags[] = api_substr($temp, 0, $pos);
$j++;
$temp = api_substr($temp, $pos +1);
}
$answer = '';
$real_correct_tags = $correct_tags;
$chosen_list = array();
for ($i = 0; $i < count($real_correct_tags); $i++) {
if ($i == 0) {
$answer .= $real_text[0];
}
if (!$switchable_answer_set) {
// Needed to parse ' and " characters
$user_tags[$i] = stripslashes($user_tags[$i]);
if ($correct_tags[$i] == $user_tags[$i]) {
// gives the related weighting to the student
$questionScore += $answerWeighting[$i];
// increments total score
$totalScore += $answerWeighting[$i];
// adds the word in green at the end of the string
$answer .= $correct_tags[$i];
} elseif (!empty($user_tags[$i])) {
// else if the word entered by the student IS NOT the same as the one defined by the professor
// adds the word in red at the end of the string, and strikes it
$answer .= '<font color="red"><s>' . $user_tags[$i] . '</s></font>';
} else {
// adds a tabulation if no word has been typed by the student
$answer .= ''; // remove &nbsp; that causes issue
}
} else {
// switchable fill in the blanks
if (in_array($user_tags[$i], $correct_tags)) {
$chosen_list[] = $user_tags[$i];
$correct_tags = array_diff($correct_tags, $chosen_list);
// gives the related weighting to the student
$questionScore += $answerWeighting[$i];
// increments total score
$totalScore += $answerWeighting[$i];
// adds the word in green at the end of the string
$answer .= $user_tags[$i];
} elseif (!empty ($user_tags[$i])) {
// else if the word entered by the student IS NOT the same as the one defined by the professor
// adds the word in red at the end of the string, and strikes it
$answer .= '<font color="red"><s>' . $user_tags[$i] . '</s></font>';
} else {
// adds a tabulation if no word has been typed by the student
$answer .= ''; // remove &nbsp; that causes issue
}
}
// 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];
}
}
} else {
// insert the student result in the track_e_attempt table, field answer
// $answer is the answer like in the c_quiz_answer table for the question
// student data are choice[]
$listCorrectAnswers = FillBlanks::getAnswerInfo(
$answer
);
$switchableAnswerSet = $listCorrectAnswers['switchable'];
$answerWeighting = $listCorrectAnswers['tabweighting'];
// user choices is an array $choice
// get existing user data in n the BDD
if ($from_database) {
$listStudentResults = FillBlanks::getAnswerInfo(
$answerFromDatabase,
true
);
$choice = $listStudentResults['studentanswer'];
}
// loop other all blanks words
if (!$switchableAnswerSet) {
// not switchable answer, must be in the same place than teacher order
for ($i = 0; $i < count($listCorrectAnswers['tabwords']); $i++) {
$studentAnswer = isset($choice[$i]) ? trim($choice[$i]) : '';
$correctAnswer = $listCorrectAnswers['tabwords'][$i];
// This value is the user input, not escaped while correct answer is escaped by fckeditor
// Works with cyrillic alphabet and when using ">" chars see #7718 #7610 #7618
// ENT_QUOTES is used in order to transform ' to &#039;
if (!$from_database) {
$studentAnswer = htmlentities(
api_utf8_encode($studentAnswer),
ENT_QUOTES
);
// fix apostrophe
$studentAnswer = str_replace('&#039;', '&#39;', $studentAnswer);
}
$isAnswerCorrect = 0;
if (FillBlanks::isGoodStudentAnswer($studentAnswer, $correctAnswer)) {
// gives the related weighting to the student
$questionScore += $answerWeighting[$i];
// increments total score
$totalScore += $answerWeighting[$i];
$isAnswerCorrect = 1;
}
$listCorrectAnswers['studentanswer'][$i] = $studentAnswer;
$listCorrectAnswers['studentscore'][$i] = $isAnswerCorrect;
}
} else {
// switchable answer
$listStudentAnswerTemp = $choice;
$listTeacherAnswerTemp = $listCorrectAnswers['tabwords'];
// for every teacher answer, check if there is a student answer
for ($i = 0; $i < count($listStudentAnswerTemp); $i++) {
$studentAnswer = trim($listStudentAnswerTemp[$i]);
$found = false;
for ($j = 0; $j < count($listTeacherAnswerTemp); $j++) {
$correctAnswer = $listTeacherAnswerTemp[$j];
if (!$found) {
if (FillBlanks::isGoodStudentAnswer(
$studentAnswer,
$correctAnswer
)
) {
$questionScore += $answerWeighting[$i];
$totalScore += $answerWeighting[$i];
$listTeacherAnswerTemp[$j] = '';
$found = true;
}
}
}
$listCorrectAnswers['studentanswer'][$i] = $studentAnswer;
if (!$found) {
$listCorrectAnswers['studentscore'][$i] = 0;
} else {
$listCorrectAnswers['studentscore'][$i] = 1;
}
}
}
$answer = FillBlanks::getAnswerInStudentAttempt(
$listCorrectAnswers
);
}
break;
case CALCULATED_ANSWER:
$answer = $objAnswerTmp->selectAnswer($_SESSION['calculatedAnswerId'][$questionId]);
$preArray = explode('@@', $answer);
$last = count($preArray) - 1;
$answer = '';
for ($k = 0; $k < $last; $k++) {
$answer .= $preArray[$k];
}
$answerWeighting = array($answerWeighting);
// we save the answer because it will be modified
$temp = $answer;
$answer = '';
$j = 0;
//initialise answer tags
$userTags = $correctTags = $realText = array();
// the loop will stop at the end of the text
while (1) {
// quits the loop if there are no more blanks (detect '[')
if ($temp == false || ($pos = api_strpos($temp, '[')) === false) {
// adds the end of the text
$answer = $temp;
$realText[] = $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
$realText[] = api_substr($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 .= $temp;
break;
}
if ($from_database) {
$queryfill = "SELECT answer FROM ".$TBL_TRACK_ATTEMPT."
WHERE
exe_id = '".$exeId."' AND
question_id= ".intval($questionId);
$resfill = Database::query($queryfill);
$str = Database::result($resfill, 0, 'answer');
api_preg_match_all('#\[([^[]*)\]#', $str, $arr);
$str = str_replace('\r\n', '', $str);
$choice = $arr[1];
if (isset($choice[$j])) {
$tmp = api_strrpos($choice[$j], ' / ');
if ($tmp) {
$choice[$j] = api_substr($choice[$j], 0, $tmp);
} else {
$tmp = ltrim($tmp, '[');
$tmp = rtrim($tmp, ']');
}
$choice[$j] = trim($choice[$j]);
// Needed to let characters ' and " to work as part of an answer
$choice[$j] = stripslashes($choice[$j]);
} else {
$choice[$j] = null;
}
} else {
// This value is the user input, not escaped while correct answer is escaped by fckeditor
$choice[$j] = api_htmlentities(trim($choice[$j]));
}
$userTags[] = $choice[$j];
//put the contents of the [] answer tag into correct_tags[]
$correctTags[] = api_substr($temp, 0, $pos);
$j++;
$temp = api_substr($temp, $pos +1);
}
$answer = '';
$realCorrectTags = $correctTags;
for ($i = 0; $i < count($realCorrectTags); $i++) {
if ($i == 0) {
$answer .= $realText[0];
}
// Needed to parse ' and " characters
$userTags[$i] = stripslashes($userTags[$i]);
if ($correctTags[$i] == $userTags[$i]) {
// gives the related weighting to the student
$questionScore += $answerWeighting[$i];
// increments total score
$totalScore += $answerWeighting[$i];
// adds the word in green at the end of the string
$answer .= $correctTags[$i];
} elseif (!empty($userTags[$i])) {
// else if the word entered by the student IS NOT the same as the one defined by the professor
// adds the word in red at the end of the string, and strikes it
$answer .= '<font color="red"><s>' . $userTags[$i] . '</s></font>';
} else {
// adds a tabulation if no word has been typed by the student
$answer .= ''; // remove &nbsp; that causes issue
}
// adds the correct word, followed by ] to close the blank
if (
$this->results_disabled != EXERCISE_FEEDBACK_TYPE_EXAM
) {
$answer .= ' / <font color="green"><b>' . $realCorrectTags[$i] . '</b></font>';
}
$answer .= ']';
if (isset($realText[$i +1])) {
$answer .= $realText[$i +1];
}
}
break;
case FREE_ANSWER:
if ($from_database) {
$sql = "SELECT answer, marks FROM $TBL_TRACK_ATTEMPT
WHERE
exe_id = $exeId AND
question_id= ".$questionId;
$resq = Database::query($sql);
$data = Database::fetch_array($resq);
$choice = $data['answer'];
$choice = str_replace('\r\n', '', $choice);
$choice = stripslashes($choice);
$questionScore = $data['marks'];
if ($questionScore == -1) {
$totalScore+= 0;
} else {
$totalScore+= $questionScore;
}
if ($questionScore == '') {
$questionScore = 0;
}
$arrques = $questionName;
$arrans = $choice;
} else {
$studentChoice = $choice;
if ($studentChoice) {
//Fixing negative puntation see #2193
$questionScore = 0;
$totalScore += 0;
}
}
break;
case ORAL_EXPRESSION:
if ($from_database) {
$query = "SELECT answer, marks
FROM $TBL_TRACK_ATTEMPT
WHERE
exe_id = $exeId AND
question_id = $questionId
";
$resq = Database::query($query);
$row = Database::fetch_assoc($resq);
$choice = $row['answer'];
$choice = str_replace('\r\n', '', $choice);
$choice = stripslashes($choice);
$questionScore = $row['marks'];
if ($questionScore == -1) {
$totalScore += 0;
} else {
$totalScore += $questionScore;
}
$arrques = $questionName;
$arrans = $choice;
} else {
$studentChoice = $choice;
if ($studentChoice) {
//Fixing negative puntation see #2193
$questionScore = 0;
$totalScore += 0;
}
}
break;
case DRAGGABLE:
//no break
case MATCHING_DRAGGABLE:
//no break
case MATCHING:
if ($from_database) {
$sql = "SELECT id, answer, id_auto
FROM $table_ans
WHERE
c_id = $course_id AND
question_id = $questionId AND
correct = 0
";
$res_answer = Database::query($sql);
// Getting the real answer
$real_list = array();
while ($real_answer = Database::fetch_array($res_answer)) {
$real_list[$real_answer['id_auto']] = $real_answer['answer'];
}
$sql = "SELECT id, answer, correct, id_auto, ponderation
FROM $table_ans
WHERE
c_id = $course_id AND
question_id = $questionId AND
correct <> 0
ORDER BY id_auto";
$res_answers = Database::query($sql);
$questionScore = 0;
while ($a_answers = Database::fetch_array($res_answers)) {
$i_answer_id = $a_answers['id']; //3
$s_answer_label = $a_answers['answer']; // your daddy - your mother
$i_answer_correct_answer = $a_answers['correct']; //1 - 2
$i_answer_id_auto = $a_answers['id_auto']; // 3 - 4
$sql = "SELECT answer FROM $TBL_TRACK_ATTEMPT
WHERE
exe_id = '$exeId' AND
question_id = '$questionId' AND
position = '$i_answer_id_auto'";
$res_user_answer = Database::query($sql);
if (Database::num_rows($res_user_answer) > 0) {
// rich - good looking
$s_user_answer = Database::result($res_user_answer, 0, 0);
} else {
$s_user_answer = 0;
}
$i_answerWeighting = $a_answers['ponderation'];
$user_answer = '';
if (!empty($s_user_answer)) {
if ($answerType == DRAGGABLE) {
if ($s_user_answer == $i_answer_correct_answer) {
$questionScore += $i_answerWeighting;
$totalScore += $i_answerWeighting;
$user_answer = Display::label(get_lang('Correct'), 'success');
} else {
$user_answer = Display::label(get_lang('Incorrect'), 'danger');
}
} else {
if ($s_user_answer == $i_answer_correct_answer) {
$questionScore += $i_answerWeighting;
$totalScore += $i_answerWeighting;
// Try with id
if (isset($real_list[$i_answer_id])) {
$user_answer = Display::span($real_list[$i_answer_id]);
}
// Try with $i_answer_id_auto
if (empty($user_answer)) {
if (isset($real_list[$i_answer_id_auto])) {
$user_answer = Display::span(
$real_list[$i_answer_id_auto]
);
}
}
} else {
$user_answer = Display::span(
$real_list[$s_user_answer],
['style' => 'color: #FF0000; text-decoration: line-through;']
);
}
}
} elseif ($answerType == DRAGGABLE) {
$user_answer = Display::label(get_lang('Incorrect'), 'danger');
} else {
$user_answer = Display::span(
get_lang('Incorrect').' &nbsp;',
['style' => 'color: #FF0000; text-decoration: line-through;']
);
}
if ($show_result) {
if ($showTotalScoreAndUserChoicesInLastAttempt === false) {
$user_answer = '';
}
echo '<tr>';
echo '<td>' . $s_answer_label . '</td>';
echo '<td>' . $user_answer;
if (in_array($answerType, [MATCHING, MATCHING_DRAGGABLE])) {
if (isset($real_list[$i_answer_correct_answer]) &&
$showTotalScoreAndUserChoicesInLastAttempt === true
) {
echo Display::span(
$real_list[$i_answer_correct_answer],
['style' => 'color: #008000; font-weight: bold;']
);
}
}
echo '</td>';
echo '</tr>';
}
}
break(2); // break the switch and the "for" condition
} else {
if ($answerCorrect) {
if (isset($choice[$answerAutoId]) &&
$answerCorrect == $choice[$answerAutoId]
) {
$questionScore += $answerWeighting;
$totalScore += $answerWeighting;
$user_answer = Display::span($answerMatching[$choice[$answerAutoId]]);
} else {
if (isset($answerMatching[$choice[$answerAutoId]])) {
$user_answer = Display::span(
$answerMatching[$choice[$answerAutoId]],
['style' => 'color: #FF0000; text-decoration: line-through;']
);
}
}
$matching[$answerAutoId] = $choice[$answerAutoId];
}
}
break;
case HOT_SPOT:
if ($from_database) {
$TBL_TRACK_HOTSPOT = Database::get_main_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
// Check auto id
$sql = "SELECT hotspot_correct
FROM $TBL_TRACK_HOTSPOT
WHERE
hotspot_exe_id = $exeId AND
hotspot_question_id= $questionId AND
hotspot_answer_id = ".intval($answerAutoId)."
ORDER BY hotspot_id ASC";
$result = Database::query($sql);
if (Database::num_rows($result)) {
$studentChoice = Database::result(
$result,
0,
'hotspot_correct'
);
if ($studentChoice) {
$questionScore += $answerWeighting;
$totalScore += $answerWeighting;
}
} else {
// If answer.id is different:
$sql = "SELECT hotspot_correct
FROM $TBL_TRACK_HOTSPOT
WHERE
hotspot_exe_id = $exeId AND
hotspot_question_id= $questionId AND
hotspot_answer_id = ".intval($answerId)."
ORDER BY hotspot_id ASC";
$result = Database::query($sql);
if (Database::num_rows($result)) {
$studentChoice = Database::result(
$result,
0,
'hotspot_correct'
);
if ($studentChoice) {
$questionScore += $answerWeighting;
$totalScore += $answerWeighting;
}
} else {
// check answer.iid
if (!empty($answerIid)) {
$sql = "SELECT hotspot_correct
FROM $TBL_TRACK_HOTSPOT
WHERE
hotspot_exe_id = $exeId AND
hotspot_question_id= $questionId AND
hotspot_answer_id = ".intval($answerIid)."
ORDER BY hotspot_id ASC";
$result = Database::query($sql);
$studentChoice = Database::result(
$result,
0,
'hotspot_correct'
);
if ($studentChoice) {
$questionScore += $answerWeighting;
$totalScore += $answerWeighting;
}
}
}
}
} else {
if (!isset($choice[$answerAutoId]) && !isset($choice[$answerIid])) {
$choice[$answerAutoId] = 0;
$choice[$answerIid] = 0;
} else {
$studentChoice = $choice[$answerAutoId];
if (empty($studentChoice)) {
$studentChoice = $choice[$answerIid];
}
$choiceIsValid = false;
if (!empty($studentChoice)) {
$hotspotType = $objAnswerTmp->selectHotspotType($answerId);
$hotspotCoordinates = $objAnswerTmp->selectHotspotCoordinates($answerId);
$choicePoint = Geometry::decodePoint($studentChoice);
switch ($hotspotType) {
case 'square':
$hotspotProperties = Geometry::decodeSquare($hotspotCoordinates);
$choiceIsValid = Geometry::pointIsInSquare($hotspotProperties, $choicePoint);
break;
case 'circle':
$hotspotProperties = Geometry::decodeEllipse($hotspotCoordinates);
$choiceIsValid = Geometry::pointIsInEllipse($hotspotProperties, $choicePoint);
break;
case 'poly':
$hotspotProperties = Geometry::decodePolygon($hotspotCoordinates);
$choiceIsValid = Geometry::pointIsInPolygon($hotspotProperties, $choicePoint);
break;
}
}
$choice[$answerAutoId] = 0;
if ($choiceIsValid) {
$questionScore += $answerWeighting;
$totalScore += $answerWeighting;
$choice[$answerAutoId] = 1;
$choice[$answerIid] = 1;
}
}
}
break;
// @todo never added to chamilo
//for hotspot with fixed order
case HOT_SPOT_ORDER:
$studentChoice = $choice['order'][$answerId];
if ($studentChoice == $answerId) {
$questionScore += $answerWeighting;
$totalScore += $answerWeighting;
$studentChoice = true;
} else {
$studentChoice = false;
}
break;
// for hotspot with delineation
case HOT_SPOT_DELINEATION:
if ($from_database) {
// getting the user answer
$TBL_TRACK_HOTSPOT = Database::get_main_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
$query = "SELECT hotspot_correct, hotspot_coordinate
FROM $TBL_TRACK_HOTSPOT
WHERE
hotspot_exe_id = '".$exeId."' AND
hotspot_question_id= '".$questionId."' AND
hotspot_answer_id='1'";
//by default we take 1 because it's a delineation
$resq = Database::query($query);
$row = Database::fetch_array($resq,'ASSOC');
$choice = $row['hotspot_correct'];
$user_answer = $row['hotspot_coordinate'];
// THIS is very important otherwise the poly_compile will throw an error!!
// round-up the coordinates
$coords = explode('/',$user_answer);
$user_array = '';
foreach ($coords as $coord) {
list($x,$y) = explode(';',$coord);
$user_array .= round($x).';'.round($y).'/';
}
$user_array = substr($user_array,0,-1);
} else {
if (!empty($studentChoice)) {
$newquestionList[] = $questionId;
}
if ($answerId === 1) {
$studentChoice = $choice[$answerId];
$questionScore += $answerWeighting;
if ($hotspot_delineation_result[1] == 1) {
$totalScore += $answerWeighting; //adding the total
}
}
}
$_SESSION['hotspot_coord'][1] = $delineation_cord;
$_SESSION['hotspot_dest'][1] = $answer_delineation_destination;
break;
case ANNOTATION:
if ($from_database) {
$sql = "SELECT answer, marks FROM $TBL_TRACK_ATTEMPT
WHERE
exe_id = $exeId AND
question_id= ".$questionId;
$resq = Database::query($sql);
$data = Database::fetch_array($resq);
$questionScore = empty($data['marks']) ? 0 : $data['marks'];
$totalScore += $questionScore == -1 ? 0 : $questionScore;
$arrques = $questionName;
break;
}
$studentChoice = $choice;
if ($studentChoice) {
$questionScore = 0;
$totalScore += 0;
}
break;
} // end switch Answertype
if ($show_result) {
if ($debug) error_log('Showing questions $from '.$from);
if ($from == 'exercise_result') {
//display answers (if not matching type, or if the answer is correct)
if (
!in_array($answerType, [MATCHING, DRAGGABLE, MATCHING_DRAGGABLE]) ||
$answerCorrect
) {
if (
in_array(
$answerType,
array(
UNIQUE_ANSWER,
UNIQUE_ANSWER_IMAGE,
UNIQUE_ANSWER_NO_OPTION,
MULTIPLE_ANSWER,
MULTIPLE_ANSWER_COMBINATION,
GLOBAL_MULTIPLE_ANSWER,
READING_COMPREHENSION,
)
)
) {
ExerciseShowFunctions::display_unique_or_multiple_answer(
$feedback_type,
$answerType,
$studentChoice,
$answer,
$answerComment,
$answerCorrect,
0,
0,
0,
$results_disabled,
$showTotalScoreAndUserChoicesInLastAttempt
);
} elseif ($answerType == MULTIPLE_ANSWER_TRUE_FALSE) {
ExerciseShowFunctions::display_multiple_answer_true_false(
$feedback_type,
$answerType,
$studentChoice,
$answer,
$answerComment,
$answerCorrect,
0,
$questionId,
0,
$results_disabled,
$showTotalScoreAndUserChoicesInLastAttempt
);
} elseif ($answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE ) {
ExerciseShowFunctions::display_multiple_answer_combination_true_false(
$feedback_type,
$answerType,
$studentChoice,
$answer,
$answerComment,
$answerCorrect,
0,
0,
0,
$results_disabled,
$showTotalScoreAndUserChoicesInLastAttempt
);
} elseif ($answerType == FILL_IN_BLANKS) {
ExerciseShowFunctions::display_fill_in_blanks_answer(
$feedback_type,
$answer,
0,
0,
$results_disabled,
'',
$showTotalScoreAndUserChoicesInLastAttempt
);
} elseif ($answerType == CALCULATED_ANSWER) {
ExerciseShowFunctions::display_calculated_answer(
$feedback_type,
$answer,
0,
0,
$results_disabled,
$showTotalScoreAndUserChoicesInLastAttempt
);
} elseif ($answerType == FREE_ANSWER) {
ExerciseShowFunctions::display_free_answer(
$feedback_type,
$choice,
$exeId,
$questionId,
$questionScore,
$results_disabled
);
} elseif ($answerType == ORAL_EXPRESSION) {
// to store the details of open questions in an array to be used in mail
/** @var OralExpression $objQuestionTmp */
ExerciseShowFunctions::display_oral_expression_answer(
$feedback_type,
$choice,
0,
0,
$objQuestionTmp->getFileUrl(true),
$results_disabled
);
} elseif ($answerType == HOT_SPOT) {
/**
* @var int $correctAnswerId
* @var TrackEHotspot $hotspot
*/
foreach ($orderedHotspots as $correctAnswerId => $hotspot) {
if ($hotspot->getHotspotAnswerId() == $answerAutoId) {
break;
}
}
ExerciseShowFunctions::display_hotspot_answer(
$feedback_type,
++$correctAnswerId,
$answer,
$studentChoice,
$answerComment,
$results_disabled,
$correctAnswerId,
$showTotalScoreAndUserChoicesInLastAttempt
);
} elseif ($answerType == HOT_SPOT_ORDER) {
ExerciseShowFunctions::display_hotspot_order_answer(
$feedback_type,
$answerId,
$answer,
$studentChoice,
$answerComment
);
} elseif ($answerType == HOT_SPOT_DELINEATION) {
$user_answer = $_SESSION['exerciseResultCoordinates'][$questionId];
//round-up the coordinates
$coords = explode('/',$user_answer);
$user_array = '';
foreach ($coords as $coord) {
list($x,$y) = explode(';',$coord);
$user_array .= round($x).';'.round($y).'/';
}
$user_array = substr($user_array,0,-1);
if ($next) {
$user_answer = $user_array;
// we compare only the delineation not the other points
$answer_question = $_SESSION['hotspot_coord'][1];
$answerDestination = $_SESSION['hotspot_dest'][1];
//calculating the area
$poly_user = convert_coordinates($user_answer, '/');
$poly_answer = convert_coordinates($answer_question, '|');
$max_coord = poly_get_max($poly_user, $poly_answer);
$poly_user_compiled = poly_compile($poly_user, $max_coord);
$poly_answer_compiled = poly_compile($poly_answer, $max_coord);
$poly_results = poly_result($poly_answer_compiled, $poly_user_compiled, $max_coord);
$overlap = $poly_results['both'];
$poly_answer_area = $poly_results['s1'];
$poly_user_area = $poly_results['s2'];
$missing = $poly_results['s1Only'];
$excess = $poly_results['s2Only'];
//$overlap = round(polygons_overlap($poly_answer,$poly_user));
// //this is an area in pixels
if ($debug > 0) {
error_log(__LINE__ . ' - Polygons results are ' . print_r($poly_results, 1), 0);
}
if ($overlap < 1) {
//shortcut to avoid complicated calculations
$final_overlap = 0;
$final_missing = 100;
$final_excess = 100;
} else {
// the final overlap is the percentage of the initial polygon
// that is overlapped by the user's polygon
$final_overlap = round(((float) $overlap / (float) $poly_answer_area) * 100);
if ($debug > 1) {
error_log(__LINE__ . ' - Final overlap is ' . $final_overlap, 0);
}
// the final missing area is the percentage of the initial polygon
// that is not overlapped by the user's polygon
$final_missing = 100 - $final_overlap;
if ($debug > 1) {
error_log(__LINE__ . ' - Final missing is ' . $final_missing, 0);
}
// the final excess area is the percentage of the initial polygon's size
// that is covered by the user's polygon outside of the initial polygon
$final_excess = round((((float) $poly_user_area - (float) $overlap) / (float) $poly_answer_area) * 100);
if ($debug > 1) {
error_log(__LINE__ . ' - Final excess is ' . $final_excess, 0);
}
}
//checking the destination parameters parsing the "@@"
$destination_items = explode(
'@@',
$answerDestination
);
$threadhold_total = $destination_items[0];
$threadhold_items = explode(
';',
$threadhold_total
);
$threadhold1 = $threadhold_items[0]; // overlap
$threadhold2 = $threadhold_items[1]; // excess
$threadhold3 = $threadhold_items[2]; //missing
// if is delineation
if ($answerId === 1) {
//setting colors
if ($final_overlap >= $threadhold1) {
$overlap_color = true; //echo 'a';
}
//echo $excess.'-'.$threadhold2;
if ($final_excess <= $threadhold2) {
$excess_color = true; //echo 'b';
}
//echo '--------'.$missing.'-'.$threadhold3;
if ($final_missing <= $threadhold3) {
$missing_color = true; //echo 'c';
}
// if pass
if (
$final_overlap >= $threadhold1 &&
$final_missing <= $threadhold3 &&
$final_excess <= $threadhold2
) {
$next=1; //go to the oars
$result_comment=get_lang('Acceptable');
$final_answer = 1; // do not update with update_exercise_attempt
} else {
$next=0;
$result_comment=get_lang('Unacceptable');
$comment=$answerDestination=$objAnswerTmp->selectComment(1);
$answerDestination=$objAnswerTmp->selectDestination(1);
//checking the destination parameters parsing the "@@"
$destination_items= explode('@@', $answerDestination);
}
} elseif($answerId>1) {
if ($objAnswerTmp->selectHotspotType($answerId) == 'noerror') {
if ($debug>0) {
error_log(__LINE__.' - answerId is of type noerror',0);
}
//type no error shouldn't be treated
$next = 1;
continue;
}
if ($debug>0) {
error_log(__LINE__.' - answerId is >1 so we\'re probably in OAR',0);
}
//check the intersection between the oar and the user
//echo 'user'; print_r($x_user_list); print_r($y_user_list);
//echo 'official';print_r($x_list);print_r($y_list);
//$result = get_intersection_data($x_list,$y_list,$x_user_list,$y_user_list);
$inter = $result['success'];
$delineation_cord = $objAnswerTmp->selectHotspotCoordinates($answerId);
$poly_answer = convert_coordinates($delineation_cord,'|');
$max_coord = poly_get_max($poly_user,$poly_answer);
$poly_answer_compiled = poly_compile($poly_answer,$max_coord);
$overlap = poly_touch($poly_user_compiled, $poly_answer_compiled,$max_coord);
if ($overlap == false) {
//all good, no overlap
$next = 1;
continue;
} else {
if ($debug>0) {
error_log(__LINE__.' - Overlap is '.$overlap.': OAR hit',0);
}
$organs_at_risk_hit++;
//show the feedback
$next = 0;
$comment = $answerDestination=$objAnswerTmp->selectComment($answerId);
$answerDestination=$objAnswerTmp->selectDestination($answerId);
$destination_items= explode('@@', $answerDestination);
$try_hotspot = $destination_items[1];
$lp_hotspot = $destination_items[2];
$select_question_hotspot = $destination_items[3];
$url_hotspot = $destination_items[4];
}
}
} else { // the first delineation feedback
if ($debug>0) {
error_log(__LINE__.' first',0);
}
}
} elseif (in_array($answerType, [MATCHING, MATCHING_DRAGGABLE])) {
echo '<tr>';
echo Display::tag('td', $answerMatching[$answerId]);
echo Display::tag(
'td',
"$user_answer / " . Display::tag(
'strong',
$answerMatching[$answerCorrect],
['style' => 'color: #008000; font-weight: bold;']
)
);
echo '</tr>';
} elseif ($answerType == ANNOTATION) {
ExerciseShowFunctions::displayAnnotationAnswer(
$feedback_type,
$exeId,
$questionId,
$questionScore,
$results_disabled
);
}
}
} else {
if ($debug) error_log('Showing questions $from '.$from);
switch ($answerType) {
case UNIQUE_ANSWER:
//no break
case UNIQUE_ANSWER_IMAGE:
//no break
case UNIQUE_ANSWER_NO_OPTION:
//no break
case MULTIPLE_ANSWER:
//no break
case GLOBAL_MULTIPLE_ANSWER :
//no break
case MULTIPLE_ANSWER_COMBINATION:
//no break
case READING_COMPREHENSION:
if ($answerId == 1) {
ExerciseShowFunctions::display_unique_or_multiple_answer(
$feedback_type,
$answerType,
$studentChoice,
$answer,
$answerComment,
$answerCorrect,
$exeId,
$questionId,
$answerId,
$results_disabled,
$showTotalScoreAndUserChoicesInLastAttempt
);
} else {
ExerciseShowFunctions::display_unique_or_multiple_answer(
$feedback_type,
$answerType,
$studentChoice,
$answer,
$answerComment,
$answerCorrect,
$exeId,
$questionId,
'',
$results_disabled,
$showTotalScoreAndUserChoicesInLastAttempt
);
}
break;
case MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE:
if ($answerId == 1) {
ExerciseShowFunctions::display_multiple_answer_combination_true_false(
$feedback_type,
$answerType,
$studentChoice,
$answer,
$answerComment,
$answerCorrect,
$exeId,
$questionId,
$answerId,
$results_disabled,
$showTotalScoreAndUserChoicesInLastAttempt
);
} else {
ExerciseShowFunctions::display_multiple_answer_combination_true_false(
$feedback_type,
$answerType,
$studentChoice,
$answer,
$answerComment,
$answerCorrect,
$exeId,
$questionId,
'',
$results_disabled,
$showTotalScoreAndUserChoicesInLastAttempt
);
}
break;
case MULTIPLE_ANSWER_TRUE_FALSE:
if ($answerId == 1) {
ExerciseShowFunctions::display_multiple_answer_true_false(
$feedback_type,
$answerType,
$studentChoice,
$answer,
$answerComment,
$answerCorrect,
$exeId,
$questionId,
$answerId,
$results_disabled,
$showTotalScoreAndUserChoicesInLastAttempt
);
} else {
ExerciseShowFunctions::display_multiple_answer_true_false(
$feedback_type,
$answerType,
$studentChoice,
$answer,
$answerComment,
$answerCorrect,
$exeId,
$questionId,
'',
$results_disabled,
$showTotalScoreAndUserChoicesInLastAttempt
);
}
break;
case FILL_IN_BLANKS:
ExerciseShowFunctions::display_fill_in_blanks_answer(
$feedback_type,
$answer,
$exeId,
$questionId,
$results_disabled,
$str,
$showTotalScoreAndUserChoicesInLastAttempt
);
break;
case CALCULATED_ANSWER:
ExerciseShowFunctions::display_calculated_answer(
$feedback_type,
$answer,
$exeId,
$questionId,
$results_disabled,
'',
$showTotalScoreAndUserChoicesInLastAttempt
);
break;
case FREE_ANSWER:
echo ExerciseShowFunctions::display_free_answer(
$feedback_type,
$choice,
$exeId,
$questionId,
$questionScore,
$results_disabled
);
break;
case ORAL_EXPRESSION:
echo '<tr>
<td valign="top">' . ExerciseShowFunctions::display_oral_expression_answer(
$feedback_type,
$choice,
$exeId,
$questionId,
$objQuestionTmp->getFileUrl(),
$results_disabled
) . '</td>
</tr>
</table>';
break;
case HOT_SPOT:
ExerciseShowFunctions::display_hotspot_answer(
$feedback_type,
$answerId,
$answer,
$studentChoice,
$answerComment,
$results_disabled,
$answerId,
$showTotalScoreAndUserChoicesInLastAttempt
);
break;
case HOT_SPOT_DELINEATION:
$user_answer = $user_array;
if ($next) {
//$tbl_track_e_hotspot = Database::get_main_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
// Save into db
/* $sql = "INSERT INTO $tbl_track_e_hotspot (
* hotspot_user_id,
* hotspot_course_code,
* hotspot_exe_id,
* hotspot_question_id,
* hotspot_answer_id,
* hotspot_correct,
* hotspot_coordinate
* )
VALUES (
* '".Database::escape_string($_user['user_id'])."',
* '".Database::escape_string($_course['id'])."',
* '".Database::escape_string($exeId)."', '".Database::escape_string($questionId)."',
* '".Database::escape_string($answerId)."',
* '".Database::escape_string($studentChoice)."',
* '".Database::escape_string($user_array)."')";
$result = Database::query($sql,__FILE__,__LINE__);
*/
$user_answer = $user_array;
// we compare only the delineation not the other points
$answer_question = $_SESSION['hotspot_coord'][1];
$answerDestination = $_SESSION['hotspot_dest'][1];
// calculating the area
$poly_user = convert_coordinates($user_answer, '/');
$poly_answer = convert_coordinates($answer_question, '|');
$max_coord = poly_get_max($poly_user, $poly_answer);
$poly_user_compiled = poly_compile($poly_user, $max_coord);
$poly_answer_compiled = poly_compile($poly_answer, $max_coord);
$poly_results = poly_result($poly_answer_compiled, $poly_user_compiled, $max_coord);
$overlap = $poly_results['both'];
$poly_answer_area = $poly_results['s1'];
$poly_user_area = $poly_results['s2'];
$missing = $poly_results['s1Only'];
$excess = $poly_results['s2Only'];
if ($debug > 0) {
error_log(__LINE__ . ' - Polygons results are ' . print_r($poly_results, 1), 0);
}
if ($overlap < 1) {
//shortcut to avoid complicated calculations
$final_overlap = 0;
$final_missing = 100;
$final_excess = 100;
} else {
// the final overlap is the percentage of the initial polygon that is overlapped by the user's polygon
$final_overlap = round(((float) $overlap / (float) $poly_answer_area) * 100);
if ($debug > 1) {
error_log(__LINE__ . ' - Final overlap is ' . $final_overlap, 0);
}
// the final missing area is the percentage of the initial polygon that is not overlapped by the user's polygon
$final_missing = 100 - $final_overlap;
if ($debug > 1) {
error_log(__LINE__ . ' - Final missing is ' . $final_missing, 0);
}
// the final excess area is the percentage of the initial polygon's size that is covered by the user's polygon outside of the initial polygon
$final_excess = round((((float) $poly_user_area - (float) $overlap) / (float) $poly_answer_area) * 100);
if ($debug > 1) {
error_log(__LINE__ . ' - Final excess is ' . $final_excess, 0);
}
}
// Checking the destination parameters parsing the "@@"
$destination_items = explode('@@', $answerDestination);
$threadhold_total = $destination_items[0];
$threadhold_items = explode(';', $threadhold_total);
$threadhold1 = $threadhold_items[0]; // overlap
$threadhold2 = $threadhold_items[1]; // excess
$threadhold3 = $threadhold_items[2]; //missing
// if is delineation
if ($answerId === 1) {
//setting colors
if ($final_overlap >= $threadhold1) {
$overlap_color = true; //echo 'a';
}
//echo $excess.'-'.$threadhold2;
if ($final_excess <= $threadhold2) {
$excess_color = true; //echo 'b';
}
//echo '--------'.$missing.'-'.$threadhold3;
if ($final_missing <= $threadhold3) {
$missing_color = true; //echo 'c';
}
// if pass
if ($final_overlap >= $threadhold1 &&
$final_missing <= $threadhold3 &&
$final_excess <= $threadhold2
) {
$next = 1; //go to the oars
$result_comment = get_lang('Acceptable');
$final_answer = 1; // do not update with update_exercise_attempt
} else {
$next = 0;
$result_comment = get_lang('Unacceptable');
$comment = $answerDestination = $objAnswerTmp->selectComment(1);
$answerDestination = $objAnswerTmp->selectDestination(1);
//checking the destination parameters parsing the "@@"
$destination_items = explode('@@', $answerDestination);
}
} elseif ($answerId > 1) {
if ($objAnswerTmp->selectHotspotType($answerId) == 'noerror') {
if ($debug > 0) {
error_log(__LINE__ . ' - answerId is of type noerror', 0);
}
//type no error shouldn't be treated
$next = 1;
continue;
}
if ($debug > 0) {
error_log(__LINE__ . ' - answerId is >1 so we\'re probably in OAR', 0);
}
//check the intersection between the oar and the user
//echo 'user'; print_r($x_user_list); print_r($y_user_list);
//echo 'official';print_r($x_list);print_r($y_list);
//$result = get_intersection_data($x_list,$y_list,$x_user_list,$y_user_list);
$inter = $result['success'];
//$delineation_cord=$objAnswerTmp->selectHotspotCoordinates($answerId);
$delineation_cord = $objAnswerTmp->selectHotspotCoordinates($answerId);
$poly_answer = convert_coordinates($delineation_cord, '|');
$max_coord = poly_get_max($poly_user, $poly_answer);
$poly_answer_compiled = poly_compile($poly_answer, $max_coord);
$overlap = poly_touch($poly_user_compiled, $poly_answer_compiled,$max_coord);
if ($overlap == false) {
//all good, no overlap
$next = 1;
continue;
} else {
if ($debug > 0) {
error_log(__LINE__ . ' - Overlap is ' . $overlap . ': OAR hit', 0);
}
$organs_at_risk_hit++;
//show the feedback
$next = 0;
$comment = $answerDestination = $objAnswerTmp->selectComment($answerId);
$answerDestination = $objAnswerTmp->selectDestination($answerId);
$destination_items = explode('@@', $answerDestination);
$try_hotspot = $destination_items[1];
$lp_hotspot = $destination_items[2];
$select_question_hotspot = $destination_items[3];
$url_hotspot=$destination_items[4];
}
}
} else { // the first delineation feedback
if ($debug > 0) {
error_log(__LINE__ . ' first', 0);
}
}
break;
case HOT_SPOT_ORDER:
ExerciseShowFunctions::display_hotspot_order_answer(
$feedback_type,
$answerId,
$answer,
$studentChoice,
$answerComment
);
break;
case DRAGGABLE:
//no break
case MATCHING_DRAGGABLE:
//no break
case MATCHING:
echo '<tr>';
echo Display::tag('td', $answerMatching[$answerId]);
echo Display::tag(
'td',
"$user_answer / " . Display::tag(
'strong',
$answerMatching[$answerCorrect],
['style' => 'color: #008000; font-weight: bold;']
)
);
echo '</tr>';
break;
case ANNOTATION:
ExerciseShowFunctions::displayAnnotationAnswer(
$feedback_type,
$exeId,
$questionId,
$questionScore,
$results_disabled
);
break;
}
}
}
if ($debug) error_log(' ------ ');
} // end for that loops over all answers of the current question
if ($debug) error_log('-- end answer loop --');
$final_answer = true;
foreach ($real_answers as $my_answer) {
if (!$my_answer) {
$final_answer = false;
}
}
//we add the total score after dealing with the answers
if ($answerType == MULTIPLE_ANSWER_COMBINATION ||
$answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE
) {
if ($final_answer) {
//getting only the first score where we save the weight of all the question
$answerWeighting = $objAnswerTmp->selectWeighting(1);
$questionScore += $answerWeighting;
$totalScore += $answerWeighting;
}
}
//Fixes multiple answer question in order to be exact
//if ($answerType == MULTIPLE_ANSWER || $answerType == GLOBAL_MULTIPLE_ANSWER) {
/* if ($answerType == GLOBAL_MULTIPLE_ANSWER) {
$diff = @array_diff($answer_correct_array, $real_answers);
// All good answers or nothing works like exact
$counter = 1;
$correct_answer = true;
foreach ($real_answers as $my_answer) {
if ($debug)
error_log(" my_answer: $my_answer answer_correct_array[counter]: ".$answer_correct_array[$counter]);
if ($my_answer != $answer_correct_array[$counter]) {
$correct_answer = false;
break;
}
$counter++;
}
if ($debug) error_log(" answer_correct_array: ".print_r($answer_correct_array, 1)."");
if ($debug) error_log(" real_answers: ".print_r($real_answers, 1)."");
if ($debug) error_log(" correct_answer: ".$correct_answer);
if ($correct_answer == false) {
$questionScore = 0;
}
// This makes the result non exact
if (!empty($diff)) {
$questionScore = 0;
}
}*/
$extra_data = array(
'final_overlap' => $final_overlap,
'final_missing' => $final_missing,
'final_excess' => $final_excess,
'overlap_color' => $overlap_color,
'missing_color' => $missing_color,
'excess_color' => $excess_color,
'threadhold1' => $threadhold1,
'threadhold2' => $threadhold2,
'threadhold3' => $threadhold3,
);
if ($from == 'exercise_result') {
// if answer is hotspot. To the difference of exercise_show.php,
// we use the results from the session (from_db=0)
// TODO Change this, because it is wrong to show the user
// some results that haven't been stored in the database yet
if ($answerType == HOT_SPOT || $answerType == HOT_SPOT_ORDER || $answerType == HOT_SPOT_DELINEATION ) {
if ($debug) error_log('$from AND this is a hotspot kind of question ');
$my_exe_id = 0;
$from_database = 0;
if ($answerType == HOT_SPOT_DELINEATION) {
if (0) {
if ($overlap_color) {
$overlap_color='green';
} else {
$overlap_color='red';
}
if ($missing_color) {
$missing_color='green';
} else {
$missing_color='red';
}
if ($excess_color) {
$excess_color='green';
} else {
$excess_color='red';
}
if (!is_numeric($final_overlap)) {
$final_overlap = 0;
}
if (!is_numeric($final_missing)) {
$final_missing = 0;
}
if (!is_numeric($final_excess)) {
$final_excess = 0;
}
if ($final_overlap>100) {
$final_overlap = 100;
}
$table_resume='<table class="data_table">
<tr class="row_odd" >
<td></td>
<td ><b>' . get_lang('Requirements') . '</b></td>
<td><b>' . get_lang('YourAnswer') . '</b></td>
</tr>
<tr class="row_even">
<td><b>' . get_lang('Overlap') . '</b></td>
<td>' . get_lang('Min') . ' ' . $threadhold1 . '</td>
<td><div style="color:' . $overlap_color . '">'
. (($final_overlap < 0) ? 0 : intval($final_overlap)) . '</div></td>
</tr>
<tr>
<td><b>' . get_lang('Excess') . '</b></td>
<td>' . get_lang('Max') . ' ' . $threadhold2 . '</td>
<td><div style="color:' . $excess_color . '">'
. (($final_excess < 0) ? 0 : intval($final_excess)) . '</div></td>
</tr>
<tr class="row_even">
<td><b>' . get_lang('Missing') . '</b></td>
<td>' . get_lang('Max') . ' ' . $threadhold3 . '</td>
<td><div style="color:' . $missing_color . '">'
. (($final_missing < 0) ? 0 : intval($final_missing)) . '</div></td>
</tr>
</table>';
if ($next == 0) {
$try = $try_hotspot;
$lp = $lp_hotspot;
$destinationid = $select_question_hotspot;
$url = $url_hotspot;
} else {
//show if no error
//echo 'no error';
$comment = $answerComment = $objAnswerTmp->selectComment($nbrAnswers);
$answerDestination = $objAnswerTmp->selectDestination($nbrAnswers);
}
echo '<h1><div style="color:#333;">' . get_lang('Feedback') . '</div></h1>
<p style="text-align:center">';
$message = '<p>' . get_lang('YourDelineation') . '</p>';
$message .= $table_resume;
$message .= '<br />' . get_lang('ResultIs') . ' ' . $result_comment . '<br />';
if ($organs_at_risk_hit > 0) {
$message .= '<p><b>' . get_lang('OARHit') . '</b></p>';
}
$message .='<p>' . $comment . '</p>';
echo $message;
} else {
echo $hotspot_delineation_result[0]; //prints message
$from_database = 1; // the hotspot_solution.swf needs this variable
}
//save the score attempts
if (1) {
//getting the answer 1 or 0 comes from exercise_submit_modal.php
$final_answer = $hotspot_delineation_result[1];
if ($final_answer == 0) {
$questionScore = 0;
}
// we always insert the answer_id 1 = delineation
Event::saveQuestionAttempt($questionScore, 1, $quesId, $exeId, 0);
//in delineation mode, get the answer from $hotspot_delineation_result[1]
$hotspotValue = (int) $hotspot_delineation_result[1] === 1 ? 1 : 0;
Event::saveExerciseAttemptHotspot(
$exeId,
$quesId,
1,
$hotspotValue,
$exerciseResultCoordinates[$quesId]
);
} else {
if ($final_answer==0) {
$questionScore = 0;
$answer=0;
Event::saveQuestionAttempt($questionScore, $answer, $quesId, $exeId, 0);
if (is_array($exerciseResultCoordinates[$quesId])) {
foreach($exerciseResultCoordinates[$quesId] as $idx => $val) {
Event::saveExerciseAttemptHotspot(
$exeId,
$quesId,
$idx,
0,
$val
);
}
}
} else {
Event::saveQuestionAttempt($questionScore, $answer, $quesId, $exeId, 0);
if (is_array($exerciseResultCoordinates[$quesId])) {
foreach($exerciseResultCoordinates[$quesId] as $idx => $val) {
$hotspotValue = (int) $choice[$idx] === 1 ? 1 : 0;
Event::saveExerciseAttemptHotspot(
$exeId,
$quesId,
$idx,
$hotspotValue,
$val
);
}
}
}
}
$my_exe_id = $exeId;
}
}
$relPath = api_get_path(WEB_CODE_PATH);
if ($answerType == HOT_SPOT || $answerType == HOT_SPOT_ORDER) {
// We made an extra table for the answers
if ($show_result) {
// if ($origin != 'learnpath') {
echo '</table></td></tr>';
echo "
<tr>
<td colspan=\"2\">
<p><em>" . get_lang('HotSpot') . "</em></p>
<div id=\"hotspot-solution-$questionId\"></div>
<script>
$(document).on('ready', function () {
new HotspotQuestion({
questionId: $questionId,
exerciseId: $exeId,
selector: '#hotspot-solution-$questionId',
for: 'solution',
relPath: '$relPath'
});
});
</script>
</td>
</tr>
";
// }
}
} elseif ($answerType == ANNOTATION) {
if ($show_result) {
echo '
<p><em>' . get_lang('Annotation') . '</em></p>
<div id="annotation-canvas-'.$questionId.'"></div>
<script>
AnnotationQuestion({
questionId: parseInt('.$questionId.'),
exerciseId: parseInt('.$exeId.'),
relPath: \''.$relPath.'\'
});
</script>
';
}
}
//if ($origin != 'learnpath') {
if ($show_result && $answerType != ANNOTATION) {
echo '</table>';
}
// }
}
unset($objAnswerTmp);
$totalWeighting += $questionWeighting;
// Store results directly in the database
// For all in one page exercises, the results will be
// stored by exercise_results.php (using the session)
if ($saved_results) {
if ($debug) error_log("Save question results $saved_results");
if ($debug) error_log(print_r($choice ,1 ));
if (empty($choice)) {
$choice = 0;
}
if ($answerType == MULTIPLE_ANSWER_TRUE_FALSE || $answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
if ($choice != 0) {
$reply = array_keys($choice);
for ($i = 0; $i < sizeof($reply); $i++) {
$ans = $reply[$i];
Event::saveQuestionAttempt(
$questionScore,
$ans . ':' . $choice[$ans],
$quesId,
$exeId,
$i,
$this->id
);
if ($debug) {
error_log('result =>' . $questionScore . ' ' . $ans . ':' . $choice[$ans]);
}
}
} else {
Event::saveQuestionAttempt(
$questionScore,
0,
$quesId,
$exeId,
0,
$this->id
);
}
} elseif ($answerType == MULTIPLE_ANSWER || $answerType == GLOBAL_MULTIPLE_ANSWER) {
if ($choice != 0) {
$reply = array_keys($choice);
if ($debug) {
error_log("reply " . print_r($reply, 1) . "");
}
for ($i = 0; $i < sizeof($reply); $i++) {
$ans = $reply[$i];
Event::saveQuestionAttempt($questionScore, $ans, $quesId, $exeId, $i, $this->id);
}
} else {
Event::saveQuestionAttempt($questionScore, 0, $quesId, $exeId, 0, $this->id);
}
} elseif ($answerType == MULTIPLE_ANSWER_COMBINATION) {
if ($choice != 0) {
$reply = array_keys($choice);
for ($i = 0; $i < sizeof($reply); $i++) {
$ans = $reply[$i];
Event::saveQuestionAttempt($questionScore, $ans, $quesId, $exeId, $i, $this->id);
}
} else {
Event::saveQuestionAttempt(
$questionScore,
0,
$quesId,
$exeId,
0,
$this->id
);
}
} elseif (in_array($answerType, [MATCHING, DRAGGABLE, MATCHING_DRAGGABLE])) {
if (isset($matching)) {
foreach ($matching as $j => $val) {
Event::saveQuestionAttempt(
$questionScore,
$val,
$quesId,
$exeId,
$j,
$this->id
);
}
}
} elseif ($answerType == FREE_ANSWER) {
$answer = $choice;
Event::saveQuestionAttempt(
$questionScore,
$answer,
$quesId,
$exeId,
0,
$this->id
);
} elseif ($answerType == ORAL_EXPRESSION) {
$answer = $choice;
Event::saveQuestionAttempt(
$questionScore,
$answer,
$quesId,
$exeId,
0,
$this->id,
false,
$objQuestionTmp->getAbsoluteFilePath()
);
} elseif (in_array($answerType, [UNIQUE_ANSWER, UNIQUE_ANSWER_IMAGE, UNIQUE_ANSWER_NO_OPTION, READING_COMPREHENSION])) {
$answer = $choice;
Event::saveQuestionAttempt($questionScore, $answer, $quesId, $exeId, 0, $this->id);
// } elseif ($answerType == HOT_SPOT || $answerType == HOT_SPOT_DELINEATION) {
} elseif ($answerType == HOT_SPOT || $answerType == ANNOTATION) {
$answer = [];
if (isset($exerciseResultCoordinates[$questionId]) && !empty($exerciseResultCoordinates[$questionId])) {
Database::delete(
Database::get_main_table(TABLE_STATISTIC_TRACK_E_HOTSPOT),
[
'hotspot_exe_id = ? AND hotspot_question_id = ? AND c_id = ?' => [
$exeId,
$questionId,
api_get_course_int_id()
]
]
);
foreach ($exerciseResultCoordinates[$questionId] as $idx => $val) {
$answer[] = $val;
$hotspotValue = (int) $choice[$idx] === 1 ? 1 : 0;
Event::saveExerciseAttemptHotspot(
$exeId,
$quesId,
$idx,
$hotspotValue,
$val,
false,
$this->id
);
}
}
Event::saveQuestionAttempt($questionScore, implode('|', $answer), $quesId, $exeId, 0, $this->id);
} else {
Event::saveQuestionAttempt($questionScore, $answer, $quesId, $exeId, 0,$this->id);
}
}
if ($propagate_neg == 0 && $questionScore < 0) {
$questionScore = 0;
}
if ($saved_results) {
$stat_table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
$sql = 'UPDATE ' . $stat_table . ' SET
exe_result = exe_result + ' . floatval($questionScore) . '
WHERE exe_id = ' . $exeId;
Database::query($sql);
}
$return_array = array(
'score' => $questionScore,
'weight' => $questionWeighting,
'extra' => $extra_data,
'open_question' => $arrques,
'open_answer' => $arrans,
'answer_type' => $answerType,
);
return $return_array;
}
/**
* Sends a notification when a user ends an examn
*
* @param array $question_list_answers
* @param string $origin
* @param int $exe_id
* @param float $score
* @param float $weight
* @return bool
*/
public function send_mail_notification_for_exam($question_list_answers, $origin, $exe_id, $score, $weight)
{
if (api_get_course_setting('email_alert_manager_on_new_quiz') != 1) {
return false;
}
// Email configuration settings
$courseCode = api_get_course_id();
$courseInfo = api_get_course_info($courseCode);
$sessionId = api_get_session_id();
if (empty($courseInfo)) {
return false;
}
$url_email = api_get_path(WEB_CODE_PATH)
. 'exercise/exercise_show.php?'
. api_get_cidreq()
. '&id_session='
. $sessionId
. '&id='
. $exe_id
. '&action=qualify';
$user_info = api_get_user_info(api_get_user_id());
$scoreLabel = '';
if (api_get_configuration_value('send_score_in_exam_notification_mail_to_manager') == true) {
$scoreLabel = ExerciseLib::show_score($score, $weight, false, true);
$scoreLabel = "<tr>
<td>".get_lang('Score')."</td>
<td>&nbsp;$scoreLabel</td>
</tr>";
}
$msg = get_lang('ExerciseAttempted').'<br /><br />'
.get_lang('AttemptDetails').' : <br /><br />
<table>
<tr>
<td><em>'.get_lang('CourseName').'</em></td>
<td>&nbsp;<b>#course#</b></td>
</tr>
<tr>
<td>'.get_lang('TestAttempted').'</td>
<td>&nbsp;#exercise#</td>
</tr>
<tr>
<td>'.get_lang('StudentName').'</td>
<td>&nbsp;#firstName# #lastName#</td>
</tr>
<tr>
<td>'.get_lang('StudentEmail').'</td>
<td>&nbsp;#email#</td>
</tr>
'.$scoreLabel.'
</table>';
$open_question_list = null;
$msg = str_replace("#email#", $user_info['email'], $msg);
$msg1 = str_replace("#exercise#", $this->exercise, $msg);
$msg = str_replace("#firstName#", $user_info['firstname'], $msg1);
$msg1 = str_replace("#lastName#", $user_info['lastname'], $msg);
$msg = str_replace("#course#", $courseInfo['name'], $msg1);
if ($origin != 'learnpath') {
$msg.= '<br /><a href="#url#">'.get_lang('ClickToCommentAndGiveFeedback').'</a>';
}
$msg1 = str_replace("#url#", $url_email, $msg);
$mail_content = $msg1;
$subject = get_lang('ExerciseAttempted');
if (!empty($sessionId)) {
$addGeneralCoach = true;
$setting = api_get_configuration_value('block_quiz_mail_notification_general_coach');
if ($setting === true) {
$addGeneralCoach = false;
}
$teachers = CourseManager::get_coach_list_from_course_code(
$courseCode,
$sessionId,
$addGeneralCoach
);
} else {
$teachers = CourseManager::get_teacher_list_from_course_code($courseCode);
}
if (!empty($teachers)) {
foreach ($teachers as $user_id => $teacher_data) {
MessageManager::send_message_simple(
$user_id,
$subject,
$mail_content
);
}
}
}
/**
* Sends a notification when a user ends an examn
* @param array $question_list_answers
* @param string $origin
* @param int $exe_id
* @return null
*/
public function send_notification_for_open_questions($question_list_answers, $origin, $exe_id)
{
if (api_get_course_setting('email_alert_manager_on_new_quiz') != 1 ) {
return null;
}
// Email configuration settings
$courseCode = api_get_course_id();
$course_info = api_get_course_info($courseCode);
$url_email = api_get_path(WEB_CODE_PATH)
. 'exercise/exercise_show.php?'
. api_get_cidreq()
. '&id_session='
. api_get_session_id()
. '&id='
. $exe_id
. '&action=qualify';
$user_info = api_get_user_info(api_get_user_id());
$msg = get_lang('OpenQuestionsAttempted').'<br /><br />'
.get_lang('AttemptDetails').' : <br /><br />'
.'<table>'
.'<tr>'
.'<td><em>'.get_lang('CourseName').'</em></td>'
.'<td>&nbsp;<b>#course#</b></td>'
.'</tr>'
.'<tr>'
.'<td>'.get_lang('TestAttempted').'</td>'
.'<td>&nbsp;#exercise#</td>'
.'</tr>'
.'<tr>'
.'<td>'.get_lang('StudentName').'</td>'
.'<td>&nbsp;#firstName# #lastName#</td>'
.'</tr>'
.'<tr>'
.'<td>'.get_lang('StudentEmail').'</td>'
.'<td>&nbsp;#mail#</td>'
.'</tr>'
.'</table>';
$open_question_list = null;
foreach ($question_list_answers as $item) {
$question = $item['question'];
$answer = $item['answer'];
$answer_type = $item['answer_type'];
if (!empty($question) && !empty($answer) && $answer_type == FREE_ANSWER) {
$open_question_list .=
'<tr>'
.'<td width="220" valign="top" bgcolor="#E5EDF8">&nbsp;&nbsp;'.get_lang('Question').'</td>'
.'<td width="473" valign="top" bgcolor="#F3F3F3">'.$question.'</td>'
.'</tr>'
.'<tr>'
.'<td width="220" valign="top" bgcolor="#E5EDF8">&nbsp;&nbsp;'.get_lang('Answer').'</td>'
.'<td valign="top" bgcolor="#F3F3F3">'.$answer.'</td>'
.'</tr>';
}
}
if (!empty($open_question_list)) {
$msg .= '<p><br />'.get_lang('OpenQuestionsAttemptedAre').' :</p>'.
'<table width="730" height="136" border="0" cellpadding="3" cellspacing="3">';
$msg .= $open_question_list;
$msg .= '</table><br />';
$msg1 = str_replace("#exercise#", $this->exercise, $msg);
$msg = str_replace("#firstName#", $user_info['firstname'], $msg1);
$msg1 = str_replace("#lastName#", $user_info['lastname'], $msg);
$msg = str_replace("#mail#", $user_info['email'], $msg1);
$msg = str_replace("#course#", $course_info['name'], $msg1);
if ($origin != 'learnpath') {
$msg .= '<br /><a href="#url#">'.get_lang('ClickToCommentAndGiveFeedback').'</a>';
}
$msg1 = str_replace("#url#", $url_email, $msg);
$mail_content = $msg1;
$subject = get_lang('OpenQuestionsAttempted');
if (api_get_session_id()) {
$teachers = CourseManager::get_coach_list_from_course_code($courseCode, api_get_session_id());
} else {
$teachers = CourseManager::get_teacher_list_from_course_code($courseCode);
}
if (!empty($teachers)) {
foreach ($teachers as $user_id => $teacher_data) {
MessageManager::send_message_simple(
$user_id,
$subject,
$mail_content
);
}
}
}
}
/**
* Send notification for oral questions
* @param array $question_list_answers
* @param string $origin
* @param int $exe_id
* @return null
*/
public function send_notification_for_oral_questions($question_list_answers, $origin, $exe_id)
{
if (api_get_course_setting('email_alert_manager_on_new_quiz') != 1 ) {
return null;
}
// Email configuration settings
$courseCode = api_get_course_id();
$course_info = api_get_course_info($courseCode);
$url_email = api_get_path(WEB_CODE_PATH)
. 'exercise/exercise_show.php?'
. api_get_cidreq()
. '&id_session='
. api_get_session_id()
. '&id='
. $exe_id
. '&action=qualify';
$user_info = api_get_user_info(api_get_user_id());
$oral_question_list = null;
foreach ($question_list_answers as $item) {
$question = $item['question'];
$answer = $item['answer'];
$answer_type = $item['answer_type'];
if (!empty($question) && !empty($answer) && $answer_type == ORAL_EXPRESSION) {
$oral_question_list.='<br /><table width="730" height="136" border="0" cellpadding="3" cellspacing="3">'
.'<tr>'
.'<td width="220" valign="top" bgcolor="#E5EDF8">&nbsp;&nbsp;'.get_lang('Question').'</td>'
.'<td width="473" valign="top" bgcolor="#F3F3F3">'.$question.'</td>'
.'</tr>'
.'<tr>'
.'<td width="220" valign="top" bgcolor="#E5EDF8">&nbsp;&nbsp;'.get_lang('Answer').'</td>'
.'<td valign="top" bgcolor="#F3F3F3">'.$answer.'</td>'
.'</tr></table>';
}
}
if (!empty($oral_question_list)) {
$msg = get_lang('OralQuestionsAttempted').'<br /><br />
'.get_lang('AttemptDetails').' : <br /><br />'
.'<table>'
.'<tr>'
.'<td><em>'.get_lang('CourseName').'</em></td>'
.'<td>&nbsp;<b>#course#</b></td>'
.'</tr>'
.'<tr>'
.'<td>'.get_lang('TestAttempted').'</td>'
.'<td>&nbsp;#exercise#</td>'
.'</tr>'
.'<tr>'
.'<td>'.get_lang('StudentName').'</td>'
.'<td>&nbsp;#firstName# #lastName#</td>'
.'</tr>'
.'<tr>'
.'<td>'.get_lang('StudentEmail').'</td>'
.'<td>&nbsp;#mail#</td>'
.'</tr>'
.'</table>';
$msg .= '<br />'.sprintf(get_lang('OralQuestionsAttemptedAreX'),$oral_question_list).'<br />';
$msg1 = str_replace("#exercise#", $this->exercise, $msg);
$msg = str_replace("#firstName#", $user_info['firstname'], $msg1);
$msg1 = str_replace("#lastName#", $user_info['lastname'], $msg);
$msg = str_replace("#mail#", $user_info['email'], $msg1);
$msg = str_replace("#course#", $course_info['name'], $msg1);
if ($origin != 'learnpath') {
$msg.= '<br /><a href="#url#">'.get_lang('ClickToCommentAndGiveFeedback').'</a>';
}
$msg1 = str_replace("#url#", $url_email, $msg);
$mail_content = $msg1;
$subject = get_lang('OralQuestionsAttempted');
if (api_get_session_id()) {
$teachers = CourseManager::get_coach_list_from_course_code($courseCode, api_get_session_id());
} else {
$teachers = CourseManager::get_teacher_list_from_course_code($courseCode);
}
if (!empty($teachers)) {
foreach ($teachers as $user_id => $teacher_data) {
MessageManager::send_message_simple(
$user_id,
$subject,
$mail_content
);
}
}
}
}
/**
* @param array $user_data result of api_get_user_info()
* @param string $start_date
* @param null $duration
* @param string $ip Optional. The user IP
* @return string
*/
public function show_exercise_result_header($user_data, $start_date = null, $duration = null, $ip = null)
{
$array = array();
if (!empty($user_data)) {
$array[] = array('title' => get_lang('Name'), 'content' => $user_data['complete_name']);
$array[] = array('title' => get_lang('Username'), 'content' => $user_data['username']);
if (!empty($user_data['official_code'])) {
$array[] = array(
'title' => get_lang('OfficialCode'),
'content' => $user_data['official_code']
);
}
}
// Description can be very long and is generally meant to explain
// rules *before* the exam. Leaving here to make display easier if
// necessary
/*
if (!empty($this->description)) {
$array[] = array('title' => get_lang("Description"), 'content' => $this->description);
}
*/
if (!empty($start_date)) {
$array[] = array('title' => get_lang('StartDate'), 'content' => $start_date);
}
if (!empty($duration)) {
$array[] = array('title' => get_lang('Duration'), 'content' => $duration);
}
if (!empty($ip)) {
$array[] = array('title' => get_lang('IP'), 'content' => $ip);
}
$icon = Display::return_icon('test-quiz.png', get_lang('Result'),null, ICON_SIZE_MEDIUM);
$html = '<div class="question-result">';
if (api_get_configuration_value('save_titles_as_html')) {
$html .= $this->get_formated_title();
$html .= Display::page_header(get_lang('Result'));
} else {
$html .= Display::page_header(
$icon.PHP_EOL.$this->exercise.' : '.get_lang('Result')
);
}
$html .= Display::description($array);
$html .="</div>";
return $html;
}
/**
* Create a quiz from quiz data
* @param string Title
* @param int Time before it expires (in minutes)
* @param int Type of exercise
* @param int Whether it's randomly picked questions (1) or not (0)
* @param int Whether the exercise is visible to the user (1) or not (0)
* @param int Whether the results are show to the user (0) or not (1)
* @param int Maximum number of attempts (0 if no limit)
* @param int Feedback type
* @todo this was function was added due the import exercise via CSV
* @return int New exercise ID
*/
public function createExercise(
$title,
$expired_time = 0,
$type = 2,
$random = 0,
$active = 1,
$results_disabled = 0,
$max_attempt = 0,
$feedback = 3,
$propagateNegative = 0
) {
$tbl_quiz = Database::get_course_table(TABLE_QUIZ_TEST);
$type = intval($type);
$random = intval($random);
$active = intval($active);
$results_disabled = intval($results_disabled);
$max_attempt = intval($max_attempt);
$feedback = intval($feedback);
$expired_time = intval($expired_time);
$title = Database::escape_string($title);
$propagateNegative = intval($propagateNegative);
$sessionId = api_get_session_id();
$course_id = api_get_course_int_id();
// Save a new quiz
$sql = "INSERT INTO $tbl_quiz (
c_id,
title,
type,
random,
active,
results_disabled,
max_attempt,
start_time,
end_time,
feedback_type,
expired_time,
session_id,
propagate_neg
)
VALUES (
'$course_id',
'$title',
$type,
$random,
$active,
$results_disabled,
$max_attempt,
'',
'',
$feedback,
$expired_time,
$sessionId,
$propagateNegative
)";
Database::query($sql);
$quiz_id = Database::insert_id();
if ($quiz_id) {
$sql = "UPDATE $tbl_quiz SET id = iid WHERE iid = {$quiz_id} ";
Database::query($sql);
}
return $quiz_id;
}
function process_geometry()
{
}
/**
* Returns the exercise result
* @param int attempt id
* @return float exercise result
*/
public function get_exercise_result($exe_id)
{
$result = array();
$track_exercise_info = ExerciseLib::get_exercise_track_exercise_info($exe_id);
if (!empty($track_exercise_info)) {
$totalScore = 0;
$objExercise = new Exercise();
$objExercise->read($track_exercise_info['exe_exo_id']);
if (!empty($track_exercise_info['data_tracking'])) {
$question_list = explode(',', $track_exercise_info['data_tracking']);
}
foreach ($question_list as $questionId) {
$question_result = $objExercise->manage_answer(
$exe_id,
$questionId,
'',
'exercise_show',
array(),
false,
true,
false,
$objExercise->selectPropagateNeg()
);
$totalScore += $question_result['score'];
}
if ($objExercise->selectPropagateNeg() == 0 && $totalScore < 0) {
$totalScore = 0;
}
$result = array(
'score' => $totalScore,
'weight' => $track_exercise_info['exe_weighting']
);
}
return $result;
}
/**
* Checks if the exercise is visible due a lot of conditions
* visibility, time limits, student attempts
* Return associative array
* value : true if execise visible
* message : HTML formated message
* rawMessage : text message
* @param int $lpId
* @param int $lpItemId
* @param int $lpItemViewId
* @param bool $filterByAdmin
* @return array
*/
public function is_visible(
$lpId = 0,
$lpItemId = 0,
$lpItemViewId = 0,
$filterByAdmin = true
) {
// 1. By default the exercise is visible
$isVisible = true;
$message = null;
// 1.1 Admins and teachers can access to the exercise
if ($filterByAdmin) {
if (api_is_platform_admin() || api_is_course_admin()) {
return array('value' => true, 'message' => '');
}
}
// Deleted exercise.
if ($this->active == -1) {
return array(
'value' => false,
'message' => Display::return_message(get_lang('ExerciseNotFound'), 'warning', false),
'rawMessage' => get_lang('ExerciseNotFound')
);
}
// Checking visibility in the item_property table.
$visibility = api_get_item_visibility(
api_get_course_info(),
TOOL_QUIZ,
$this->id,
api_get_session_id()
);
if ($visibility == 0 || $visibility == 2) {
$this->active = 0;
}
// 2. If the exercise is not active.
if (empty($lpId)) {
// 2.1 LP is OFF
if ($this->active == 0) {
return array(
'value' => false,
'message' => Display::return_message(get_lang('ExerciseNotFound'), 'warning', false),
'rawMessage' => get_lang('ExerciseNotFound')
);
}
} else {
// 2.1 LP is loaded
if ($this->active == 0 && !learnpath::is_lp_visible_for_student($lpId, api_get_user_id())) {
return array(
'value' => false,
'message' => Display::return_message(get_lang('ExerciseNotFound'), 'warning', false),
'rawMessage' => get_lang('ExerciseNotFound')
);
}
}
//3. We check if the time limits are on
if (!empty($this->start_time) || !empty($this->end_time)) {
$limitTimeExists = true;
} else {
$limitTimeExists = false;
}
if ($limitTimeExists) {
$timeNow = time();
$existsStartDate = false;
$nowIsAfterStartDate = true;
$existsEndDate = false;
$nowIsBeforeEndDate = true;
if (!empty($this->start_time)) {
$existsStartDate = true;
}
if (!empty($this->end_time)) {
$existsEndDate = true;
}
// check if we are before-or-after end-or-start date
if ($existsStartDate && $timeNow < api_strtotime($this->start_time, 'UTC')) {
$nowIsAfterStartDate = false;
}
if ($existsEndDate & $timeNow >= api_strtotime($this->end_time, 'UTC')) {
$nowIsBeforeEndDate = false;
}
// lets check all cases
if ($existsStartDate && !$existsEndDate) {
// exists start date and dont exists end date
if ($nowIsAfterStartDate) {
// after start date, no end date
$isVisible = true;
$message = sprintf(get_lang('ExerciseAvailableSinceX'),
api_convert_and_format_date($this->start_time));
} else {
// before start date, no end date
$isVisible = false;
$message = sprintf(get_lang('ExerciseAvailableFromX'),
api_convert_and_format_date($this->start_time));
}
} elseif (!$existsStartDate && $existsEndDate) {
// doesnt exist start date, exists end date
if ($nowIsBeforeEndDate) {
// before end date, no start date
$isVisible = true;
$message = sprintf(get_lang('ExerciseAvailableUntilX'),
api_convert_and_format_date($this->end_time));
} else {
// after end date, no start date
$isVisible = false;
$message = sprintf(get_lang('ExerciseAvailableUntilX'),
api_convert_and_format_date($this->end_time));
}
} elseif ($existsStartDate && $existsEndDate) {
// exists start date and end date
if ($nowIsAfterStartDate) {
if ($nowIsBeforeEndDate) {
// after start date and before end date
$isVisible = true;
$message = sprintf(get_lang('ExerciseIsActivatedFromXToY'),
api_convert_and_format_date($this->start_time),
api_convert_and_format_date($this->end_time));
} else {
// after start date and after end date
$isVisible = false;
$message = sprintf(get_lang('ExerciseWasActivatedFromXToY'),
api_convert_and_format_date($this->start_time),
api_convert_and_format_date($this->end_time));
}
} else {
if ($nowIsBeforeEndDate) {
// before start date and before end date
$isVisible = false;
$message = sprintf(get_lang('ExerciseWillBeActivatedFromXToY'),
api_convert_and_format_date($this->start_time),
api_convert_and_format_date($this->end_time));
}
// case before start date and after end date is impossible
}
} elseif (!$existsStartDate && !$existsEndDate) {
// doesnt exist start date nor end date
$isVisible = true;
$message = "";
}
}
// 4. We check if the student have attempts
$exerciseAttempts = $this->selectAttempts();
if ($isVisible) {
if ($exerciseAttempts > 0) {
$attemptCount = Event::get_attempt_count_not_finished(
api_get_user_id(),
$this->id,
$lpId,
$lpItemId,
$lpItemViewId
);
if ($attemptCount >= $exerciseAttempts) {
$message = sprintf(
get_lang('ReachedMaxAttempts'),
$this->name,
$exerciseAttempts
);
$isVisible = false;
}
}
}
$rawMessage = "";
if (!empty($message)){
$rawMessage = $message;
$message = Display::return_message($message, 'warning', false);
}
return array(
'value' => $isVisible,
'message' => $message,
'rawMessage' => $rawMessage
);
}
public function added_in_lp()
{
$TBL_LP_ITEM = Database::get_course_table(TABLE_LP_ITEM);
$sql = "SELECT max_score FROM $TBL_LP_ITEM
WHERE c_id = {$this->course_id} AND item_type = '" . TOOL_QUIZ . "' AND path = '{$this->id}'";
$result = Database::query($sql);
if (Database::num_rows($result) > 0) {
return true;
}
return false;
}
/**
* Returns an array with the media list
* @param array question list
* @example there's 1 question with iid 5 that belongs to the media question with iid = 100
* <code>
* array (size=2)
* 999 =>
* array (size=3)
* 0 => int 7
* 1 => int 6
* 2 => int 3254
* 100 =>
* array (size=1)
* 0 => int 5
* </code>
* @return array
*/
private function setMediaList($questionList)
{
$mediaList = array();
if (!empty($questionList)) {
foreach ($questionList as $questionId) {
$objQuestionTmp = Question::read($questionId, $this->course_id);
// If a media question exists
if (isset($objQuestionTmp->parent_id) && $objQuestionTmp->parent_id != 0) {
$mediaList[$objQuestionTmp->parent_id][] = $objQuestionTmp->id;
} else {
//Always the last item
$mediaList[999][] = $objQuestionTmp->id;
}
}
}
$this->mediaList = $mediaList;
}
/**
* Returns an array with this form
* @example
* <code>
* array (size=3)
999 =>
array (size=3)
0 => int 3422
1 => int 3423
2 => int 3424
100 =>
array (size=2)
0 => int 3469
1 => int 3470
101 =>
array (size=1)
0 => int 3482
* </code>
* The array inside the key 999 means the question list that belongs to the media id = 999,
* this case is special because 999 means "no media".
* @return array
*/
public function getMediaList()
{
return $this->mediaList;
}
/**
* Is media question activated?
* @return bool
*/
public function mediaIsActivated()
{
$mediaQuestions = $this->getMediaList();
$active = false;
if (isset($mediaQuestions) && !empty($mediaQuestions)) {
$media_count = count($mediaQuestions);
if ($media_count > 1) {
return true;
} elseif ($media_count == 1) {
if (isset($mediaQuestions[999])) {
return false;
} else {
return true;
}
}
}
return $active;
}
/**
* Gets question list from the exercise
*
* @return array
*/
public function getQuestionList()
{
return $this->questionList;
}
/**
* Question list with medias compressed like this
* @example
* <code>
* array(
* question_id_1,
* question_id_2,
* media_id, <- this media id contains question ids
* question_id_3,
* )
* </code>
* @return array
*/
public function getQuestionListWithMediasCompressed()
{
return $this->questionList;
}
/**
* Question list with medias uncompressed like this
* @example
* <code>
* array(
* question_id,
* question_id,
* question_id, <- belongs to a media id
* question_id, <- belongs to a media id
* question_id,
* )
* </code>
* @return array
*/
public function getQuestionListWithMediasUncompressed()
{
return $this->questionListUncompressed;
}
/**
* Sets the question list when the exercise->read() is executed
* @param bool $adminView Whether to view the set the list of *all* questions or just the normal student view
*/
public function setQuestionList($adminView = false)
{
// Getting question list.
$questionList = $this->selectQuestionList(true, $adminView);
$this->setMediaList($questionList);
$this->questionList = $this->transformQuestionListWithMedias($questionList, false);
$this->questionListUncompressed = $this->transformQuestionListWithMedias($questionList, true);
}
/**
*
* @params array question list
* @params bool expand or not question list (true show all questions, false show media question id instead of the question ids)
*
**/
public function transformQuestionListWithMedias($question_list, $expand_media_questions = false)
{
$new_question_list = array();
if (!empty($question_list)) {
$media_questions = $this->getMediaList();
$media_active = $this->mediaIsActivated($media_questions);
if ($media_active) {
$counter = 1;
foreach ($question_list as $question_id) {
$add_question = true;
foreach ($media_questions as $media_id => $question_list_in_media) {
if ($media_id != 999 && in_array($question_id, $question_list_in_media)) {
$add_question = false;
if (!in_array($media_id, $new_question_list)) {
$new_question_list[$counter] = $media_id;
$counter++;
}
break;
}
}
if ($add_question) {
$new_question_list[$counter] = $question_id;
$counter++;
}
}
if ($expand_media_questions) {
$media_key_list = array_keys($media_questions);
foreach ($new_question_list as &$question_id) {
if (in_array($question_id, $media_key_list)) {
$question_id = $media_questions[$question_id];
}
}
$new_question_list = array_flatten($new_question_list);
}
} else {
$new_question_list = $question_list;
}
}
return $new_question_list;
}
/**
* Get question list depend on the random settings.
*
* @return array
*/
public function get_validated_question_list()
{
$tabres = array();
$isRandomByCategory = $this->isRandomByCat();
if ($isRandomByCategory == 0) {
if ($this->isRandom()) {
$tabres = $this->selectRandomList();
} else {
$tabres = $this->selectQuestionList();
}
} else {
if ($this->isRandom()) {
// USE question categories
// get questions by category for this exercise
// we have to choice $objExercise->random question in each array values of $tabCategoryQuestions
// key of $tabCategoryQuestions are the categopy id (0 for not in a category)
// value is the array of question id of this category
$questionList = array();
$tabCategoryQuestions = TestCategory::getQuestionsByCat($this->id);
$isRandomByCategory = $this->selectRandomByCat();
// We sort categories based on the term between [] in the head
// of the category's description
/* examples of categories :
* [biologie] Maitriser les mecanismes de base de la genetique
* [biologie] Relier les moyens de depenses et les agents infectieux
* [biologie] Savoir ou est produite l'enrgie dans les cellules et sous quelle forme
* [chimie] Classer les molles suivant leur pouvoir oxydant ou reacteur
* [chimie] Connaître la denition de la theoie acide/base selon Brönsted
* [chimie] Connaître les charges des particules
* We want that in the order of the groups defined by the term
* between brackets at the beginning of the category title
*/
// If test option is Grouped By Categories
if ($isRandomByCategory == 2) {
$tabCategoryQuestions = TestCategory::sortTabByBracketLabel($tabCategoryQuestions);
}
while (list($cat_id, $tabquestion) = each($tabCategoryQuestions)) {
$number_of_random_question = $this->random;
if ($this->random == -1) {
$number_of_random_question = count($this->questionList);
}
$questionList = array_merge(
$questionList,
TestCategory::getNElementsFromArray(
$tabquestion,
$number_of_random_question
)
);
}
// shuffle the question list if test is not grouped by categories
if ($isRandomByCategory == 1) {
shuffle($questionList); // or not
}
$tabres = $questionList;
} else {
// Problem, random by category has been selected and
// we have no $this->isRandom number of question selected
// Should not happened
}
}
return $tabres;
}
function get_question_list($expand_media_questions = false)
{
$question_list = $this->get_validated_question_list();
$question_list = $this->transform_question_list_with_medias($question_list, $expand_media_questions);
return $question_list;
}
function transform_question_list_with_medias($question_list, $expand_media_questions = false)
{
$new_question_list = array();
if (!empty($question_list)) {
$media_questions = $this->getMediaList();
$media_active = $this->mediaIsActivated($media_questions);
if ($media_active) {
$counter = 1;
foreach ($question_list as $question_id) {
$add_question = true;
foreach ($media_questions as $media_id => $question_list_in_media) {
if ($media_id != 999 && in_array($question_id, $question_list_in_media)) {
$add_question = false;
if (!in_array($media_id, $new_question_list)) {
$new_question_list[$counter] = $media_id;
$counter++;
}
break;
}
}
if ($add_question) {
$new_question_list[$counter] = $question_id;
$counter++;
}
}
if ($expand_media_questions) {
$media_key_list = array_keys($media_questions);
foreach ($new_question_list as &$question_id) {
if (in_array($question_id, $media_key_list)) {
$question_id = $media_questions[$question_id];
}
}
$new_question_list = array_flatten($new_question_list);
}
} else {
$new_question_list = $question_list;
}
}
return $new_question_list;
}
/**
* @param int $exe_id
* @return array|mixed
*/
public function get_stat_track_exercise_info_by_exe_id($exe_id)
{
$track_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
$exe_id = intval($exe_id);
$sql_track = "SELECT * FROM $track_exercises WHERE exe_id = $exe_id ";
$result = Database::query($sql_track);
$new_array = array();
if (Database::num_rows($result) > 0 ) {
$new_array = Database::fetch_array($result, 'ASSOC');
$new_array['duration'] = null;
$start_date = api_get_utc_datetime($new_array['start_date'], true);
$end_date = api_get_utc_datetime($new_array['exe_date'], true);
if (!empty($start_date) && !empty($end_date)) {
$start_date = api_strtotime($start_date, 'UTC');
$end_date = api_strtotime($end_date, 'UTC');
if ($start_date && $end_date) {
$mytime = $end_date- $start_date;
$new_learnpath_item = new learnpathItem(null);
$time_attemp = $new_learnpath_item->get_scorm_time('js', $mytime);
$h = get_lang('h');
$time_attemp = str_replace('NaN', '00' . $h . '00\'00"', $time_attemp);
$new_array['duration'] = $time_attemp;
}
}
}
return $new_array;
}
public function edit_question_to_remind($exe_id, $question_id, $action = 'add')
{
$exercise_info = self::get_stat_track_exercise_info_by_exe_id($exe_id);
$question_id = intval($question_id);
$exe_id = intval($exe_id);
$track_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
if ($exercise_info) {
if (empty($exercise_info['questions_to_check'])) {
if ($action == 'add') {
$sql = "UPDATE $track_exercises SET questions_to_check = '$question_id' WHERE exe_id = $exe_id ";
Database::query($sql);
}
} else {
$remind_list = explode(',',$exercise_info['questions_to_check']);
$remind_list_string = '';
if ($action == 'add') {
if (!in_array($question_id, $remind_list)) {
$remind_list[] = $question_id;
if (!empty($remind_list)) {
sort($remind_list);
array_filter($remind_list);
}
$remind_list_string = implode(',', $remind_list);
}
} elseif ($action == 'delete') {
if (!empty($remind_list)) {
if (in_array($question_id, $remind_list)) {
$remind_list = array_flip($remind_list);
unset($remind_list[$question_id]);
$remind_list = array_flip($remind_list);
if (!empty($remind_list)) {
sort($remind_list);
array_filter($remind_list);
$remind_list_string = implode(',', $remind_list);
}
}
}
}
$remind_list_string = Database::escape_string($remind_list_string);
$sql = "UPDATE $track_exercises SET questions_to_check = '$remind_list_string' WHERE exe_id = $exe_id ";
Database::query($sql);
}
}
}
public function fill_in_blank_answer_to_array($answer)
{
api_preg_match_all('/\[[^]]+\]/', $answer, $teacher_answer_list);
$teacher_answer_list = $teacher_answer_list[0];
return $teacher_answer_list;
}
public function fill_in_blank_answer_to_string($answer)
{
$teacher_answer_list = $this->fill_in_blank_answer_to_array($answer);
$result = '';
if (!empty($teacher_answer_list)) {
$i = 0;
foreach ($teacher_answer_list as $teacher_item) {
$value = null;
//Cleaning student answer list
$value = strip_tags($teacher_item);
$value = api_substr($value, 1, api_strlen($value) - 2);
$value = explode('/', $value);
if (!empty($value[0])) {
$value = trim($value[0]);
$value = str_replace('&nbsp;', '', $value);
$result .= $value;
}
}
}
return $result;
}
public function return_time_left_div()
{
$html = '<div id="clock_warning" style="display:none">';
$html .= Display::return_message(
get_lang('ReachedTimeLimit'),
'warning'
);
$html .= ' ';
$html .= sprintf(
get_lang('YouWillBeRedirectedInXSeconds'),
'<span id="counter_to_redirect" class="red_alert"></span>'
);
$html .= '</div>';
$html .= '<div id="exercise_clock_warning" class="count_down"></div>';
return $html;
}
function get_count_question_list()
{
//Real question count
$question_count = 0;
$question_list = $this->get_question_list();
if (!empty($question_list)) {
$question_count = count($question_list);
}
return $question_count;
}
function get_exercise_list_ordered()
{
$table_exercise_order = Database::get_course_table(TABLE_QUIZ_ORDER);
$course_id = api_get_course_int_id();
$session_id = api_get_session_id();
$sql = "SELECT exercise_id, exercise_order
FROM $table_exercise_order
WHERE c_id = $course_id AND session_id = $session_id
ORDER BY exercise_order";
$result = Database::query($sql);
$list = array();
if (Database::num_rows($result)) {
while ($row = Database::fetch_array($result, 'ASSOC')) {
$list[$row['exercise_order']] = $row['exercise_id'];
}
}
return $list;
}
/**
* Get categories added in the exercise--category matrix
* @return bool
*/
public function get_categories_in_exercise()
{
$table = Database::get_course_table(TABLE_QUIZ_REL_CATEGORY);
if (!empty($this->id)) {
$sql = "SELECT * FROM $table
WHERE exercise_id = {$this->id} AND c_id = {$this->course_id} ";
$result = Database::query($sql);
$list = array();
if (Database::num_rows($result)) {
while ($row = Database::fetch_array($result, 'ASSOC')) {
$list[$row['category_id']] = $row;
}
return $list;
}
}
return false;
}
/**
* @param null $order
* @return bool
*/
public function get_categories_with_name_in_exercise($order = null)
{
$table = Database::get_course_table(TABLE_QUIZ_REL_CATEGORY);
$table_category = Database::get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
$sql = "SELECT * FROM $table qc
INNER JOIN $table_category c
ON (category_id = c.iid)
WHERE exercise_id = {$this->id} AND qc.c_id = {$this->course_id} ";
if (!empty($order)) {
$sql .= "ORDER BY $order ";
}
$result = Database::query($sql);
if (Database::num_rows($result)) {
while ($row = Database::fetch_array($result, 'ASSOC')) {
$list[$row['category_id']] = $row;
}
return $list;
}
return false;
}
/**
* Get total number of question that will be parsed when using the category/exercise
*/
public function getNumberQuestionExerciseCategory()
{
$table = Database::get_course_table(TABLE_QUIZ_REL_CATEGORY);
if (!empty($this->id)) {
$sql = "SELECT SUM(count_questions) count_questions
FROM $table
WHERE exercise_id = {$this->id} AND c_id = {$this->course_id}";
$result = Database::query($sql);
if (Database::num_rows($result)) {
$row = Database::fetch_array($result);
return $row['count_questions'];
}
}
return 0;
}
/**
* Save categories in the TABLE_QUIZ_REL_CATEGORY table
* @param array $categories
*/
public function save_categories_in_exercise($categories)
{
if (!empty($categories) && !empty($this->id)) {
$table = Database::get_course_table(TABLE_QUIZ_REL_CATEGORY);
$sql = "DELETE FROM $table
WHERE exercise_id = {$this->id} AND c_id = {$this->course_id}";
Database::query($sql);
if (!empty($categories)) {
foreach ($categories as $category_id => $count_questions) {
$params = array(
'c_id' => $this->course_id,
'exercise_id' => $this->id,
'category_id' => $category_id,
'count_questions' => $count_questions
);
Database::insert($table, $params);
}
}
}
}
/**
* @param array $questionList
* @param int $currentQuestion
* @param array $conditions
* @param string $link
* @return string
*/
public function progressExercisePaginationBar($questionList, $currentQuestion, $conditions, $link)
{
$mediaQuestions = $this->getMediaList();
$html = '<div class="exercise_pagination pagination pagination-mini"><ul>';
$counter = 0;
$nextValue = 0;
$wasMedia = false;
$before = 0;
$counterNoMedias = 0;
foreach ($questionList as $questionId) {
$isCurrent = $currentQuestion == ($counterNoMedias + 1) ? true : false;
if (!empty($nextValue)) {
if ($wasMedia) {
$nextValue = $nextValue - $before + 1;
}
}
if (isset($mediaQuestions) && isset($mediaQuestions[$questionId])) {
$fixedValue = $counterNoMedias;
$html .= Display::progressPaginationBar(
$nextValue,
$mediaQuestions[$questionId],
$currentQuestion,
$fixedValue,
$conditions,
$link,
true,
true
);
$counter += count($mediaQuestions[$questionId]) - 1 ;
$before = count($questionList);
$wasMedia = true;
$nextValue += count($questionList);
} else {
$html .= Display::parsePaginationItem($questionId, $isCurrent, $conditions, $link, $counter);
$counter++;
$nextValue++;
$wasMedia = false;
}
$counterNoMedias++;
}
$html .= '</ul></div>';
return $html;
}
/**
* Shows a list of numbers that represents the question to answer in a exercise
*
* @param array $categories
* @param int $current
* @param array $conditions
* @param string $link
* @return string
*/
public function progressExercisePaginationBarWithCategories(
$categories,
$current,
$conditions = array(),
$link = null
) {
$html = null;
$counterNoMedias = 0;
$nextValue = 0;
$wasMedia = false;
$before = 0;
if (!empty($categories)) {
$selectionType = $this->getQuestionSelectionType();
$useRootAsCategoryTitle = false;
// Grouping questions per parent category see BT#6540
if (in_array(
$selectionType,
array(
EX_Q_SELECTION_CATEGORIES_ORDERED_BY_PARENT_QUESTIONS_ORDERED,
EX_Q_SELECTION_CATEGORIES_ORDERED_BY_PARENT_QUESTIONS_RANDOM
)
)) {
$useRootAsCategoryTitle = true;
}
// If the exercise is set to only show the titles of the categories
// at the root of the tree, then pre-order the categories tree by
// removing children and summing their questions into the parent
// categories
if ($useRootAsCategoryTitle) {
// The new categories list starts empty
$newCategoryList = array();
foreach ($categories as $category) {
$rootElement = $category['root'];
if (isset($category['parent_info'])) {
$rootElement = $category['parent_info']['id'];
}
//$rootElement = $category['id'];
// If the current category's ancestor was never seen
// before, then declare it and assign the current
// category to it.
if (!isset($newCategoryList[$rootElement])) {
$newCategoryList[$rootElement] = $category;
} else {
// If it was already seen, then merge the previous with
// the current category
$oldQuestionList = $newCategoryList[$rootElement]['question_list'];
$category['question_list'] = array_merge($oldQuestionList , $category['question_list']);
$newCategoryList[$rootElement] = $category;
}
}
// Now use the newly built categories list, with only parents
$categories = $newCategoryList;
}
foreach ($categories as $category) {
$questionList = $category['question_list'];
// Check if in this category there questions added in a media
$mediaQuestionId = $category['media_question'];
$isMedia = false;
$fixedValue = null;
// Media exists!
if ($mediaQuestionId != 999) {
$isMedia = true;
$fixedValue = $counterNoMedias;
}
//$categoryName = $category['path']; << show the path
$categoryName = $category['name'];
if ($useRootAsCategoryTitle) {
if (isset($category['parent_info'])) {
$categoryName = $category['parent_info']['title'];
}
}
$html .= '<div class="row">';
$html .= '<div class="span2">'.$categoryName.'</div>';
$html .= '<div class="span8">';
if (!empty($nextValue)) {
if ($wasMedia) {
$nextValue = $nextValue - $before + 1;
}
}
$html .= Display::progressPaginationBar(
$nextValue,
$questionList,
$current,
$fixedValue,
$conditions,
$link,
$isMedia,
true
);
$html .= '</div>';
$html .= '</div>';
if ($mediaQuestionId == 999) {
$counterNoMedias += count($questionList);
} else {
$counterNoMedias++;
}
$nextValue += count($questionList);
$before = count($questionList);
if ($mediaQuestionId != 999) {
$wasMedia = true;
} else {
$wasMedia = false;
}
}
}
return $html;
}
/**
* Renders a question list
*
* @param array $questionList (with media questions compressed)
* @param int $currentQuestion
* @param array $exerciseResult
* @param array $attemptList
* @param array $remindList
*/
public function renderQuestionList($questionList, $currentQuestion, $exerciseResult, $attemptList, $remindList)
{
$mediaQuestions = $this->getMediaList();
$i = 0;
// Normal question list render (medias compressed)
foreach ($questionList as $questionId) {
$i++;
// For sequential exercises
if ($this->type == ONE_PER_PAGE) {
// If it is not the right question, goes to the next loop iteration
if ($currentQuestion != $i) {
continue;
} else {
if ($this->feedback_type != EXERCISE_FEEDBACK_TYPE_DIRECT) {
// if the user has already answered this question
if (isset($exerciseResult[$questionId])) {
echo Display::return_message(get_lang('AlreadyAnswered'), 'normal');
break;
}
}
}
}
// The $questionList contains the media id we check if this questionId is a media question type
if (isset($mediaQuestions[$questionId]) && $mediaQuestions[$questionId] != 999) {
// The question belongs to a media
$mediaQuestionList = $mediaQuestions[$questionId];
$objQuestionTmp = Question::read($questionId);
$counter = 1;
if ($objQuestionTmp->type == MEDIA_QUESTION) {
echo $objQuestionTmp->show_media_content();
$countQuestionsInsideMedia = count($mediaQuestionList);
// Show questions that belongs to a media
if (!empty($mediaQuestionList)) {
// In order to parse media questions we use letters a, b, c, etc.
$letterCounter = 97;
foreach ($mediaQuestionList as $questionIdInsideMedia) {
$isLastQuestionInMedia = false;
if ($counter == $countQuestionsInsideMedia) {
$isLastQuestionInMedia = true;
}
$this->renderQuestion(
$questionIdInsideMedia,
$attemptList,
$remindList,
chr($letterCounter),
$currentQuestion,
$mediaQuestionList,
$isLastQuestionInMedia,
$questionList
);
$letterCounter++;
$counter++;
}
}
} else {
$this->renderQuestion(
$questionId,
$attemptList,
$remindList,
$i,
$currentQuestion,
null,
null,
$questionList
);
$i++;
}
} else {
// Normal question render.
$this->renderQuestion($questionId, $attemptList, $remindList, $i, $currentQuestion, null, null, $questionList);
}
// For sequential exercises.
if ($this->type == ONE_PER_PAGE) {
// quits the loop
break;
}
}
// end foreach()
if ($this->type == ALL_ON_ONE_PAGE) {
$exercise_actions = $this->show_button($questionId, $currentQuestion);
echo Display::div($exercise_actions, array('class'=>'exercise_actions'));
}
}
/**
* @param int $questionId
* @param array $attemptList
* @param array $remindList
* @param int $i
* @param int $current_question
* @param array $questions_in_media
* @param bool $last_question_in_media
* @param array $realQuestionList
* @param bool $generateJS
* @return null
*/
public function renderQuestion(
$questionId,
$attemptList,
$remindList,
$i,
$current_question,
$questions_in_media = array(),
$last_question_in_media = false,
$realQuestionList,
$generateJS = true
) {
// With this option on the question is loaded via AJAX
//$generateJS = true;
//$this->loadQuestionAJAX = true;
if ($generateJS && $this->loadQuestionAJAX) {
$url = api_get_path(WEB_AJAX_PATH).'exercise.ajax.php?a=get_question&id='.$questionId.'&'.api_get_cidreq();
$params = array(
'questionId' => $questionId,
'attemptList'=> $attemptList,
'remindList' => $remindList,
'i' => $i,
'current_question' => $current_question,
'questions_in_media' => $questions_in_media,
'last_question_in_media' => $last_question_in_media
);
$params = json_encode($params);
$script = '<script>
$(function(){
var params = '.$params.';
$.ajax({
type: "GET",
async: false,
data: params,
url: "'.$url.'",
success: function(return_value) {
$("#ajaxquestiondiv'.$questionId.'").html(return_value);
}
});
});
</script>
<div id="ajaxquestiondiv'.$questionId.'"></div>';
echo $script;
} else {
global $origin;
$question_obj = Question::read($questionId);
$user_choice = isset($attemptList[$questionId]) ? $attemptList[$questionId] : null;
$remind_highlight = null;
//Hides questions when reviewing a ALL_ON_ONE_PAGE exercise see #4542 no_remind_highlight class hide with jquery
if ($this->type == ALL_ON_ONE_PAGE && isset($_GET['reminder']) && $_GET['reminder'] == 2) {
$remind_highlight = 'no_remind_highlight';
if (in_array($question_obj->type, Question::question_type_no_review())) {
return null;
}
}
$attributes = array('id' =>'remind_list['.$questionId.']');
if (is_array($remindList) && in_array($questionId, $remindList)) {
//$attributes['checked'] = 1;
//$remind_highlight = ' remind_highlight ';
}
// Showing the question
$exercise_actions = null;
echo '<a id="questionanchor'.$questionId.'"></a><br />';
echo '<div id="question_div_'.$questionId.'" class="main_question '.$remind_highlight.'" >';
// Shows the question + possible answers
$showTitle = $this->getHideQuestionTitle() == 1 ? false : true;
echo $this->showQuestion($question_obj, false, $origin, $i, $showTitle, false, $user_choice, false, null, false, $this->getModelType(), $this->categoryMinusOne);
// Button save and continue
switch ($this->type) {
case ONE_PER_PAGE:
$exercise_actions .= $this->show_button($questionId, $current_question, null, $remindList);
break;
case ALL_ON_ONE_PAGE:
$button = [
Display::button(
'save_now',
get_lang('SaveForNow'),
['type' => 'button', 'class' => 'btn btn-primary', 'data-question' => $questionId]
),
'<span id="save_for_now_'.$questionId.'" class="exercise_save_mini_message"></span>'
];
$exercise_actions .= Display::div(
implode(PHP_EOL, $button),
array('class'=>'exercise_save_now_button')
);
break;
}
if (!empty($questions_in_media)) {
$count_of_questions_inside_media = count($questions_in_media);
if ($count_of_questions_inside_media > 1) {
$button = [
Display::button(
'save_now',
get_lang('SaveForNow'),
['type' => 'button', 'class' => 'btn btn-primary', 'data-question' => $questionId]
),
'<span id="save_for_now_'.$questionId.'" class="exercise_save_mini_message"></span>&nbsp;'
];
$exercise_actions = Display::div(
implode(PHP_EOL, $button),
array('class'=>'exercise_save_now_button')
);
}
if ($last_question_in_media && $this->type == ONE_PER_PAGE) {
$exercise_actions = $this->show_button($questionId, $current_question, $questions_in_media);
}
}
// Checkbox review answers
if ($this->review_answers && !in_array($question_obj->type, Question::question_type_no_review())) {
$remind_question_div = Display::tag('label', Display::input('checkbox', 'remind_list['.$questionId.']', '', $attributes).get_lang('ReviewQuestionLater'), array('class' => 'checkbox', 'for' =>'remind_list['.$questionId.']'));
$exercise_actions .= Display::div($remind_question_div, array('class'=>'exercise_save_now_button'));
}
echo Display::div(' ', array('class'=>'clear'));
$paginationCounter = null;
if ($this->type == ONE_PER_PAGE) {
if (empty($questions_in_media)) {
$paginationCounter = Display::paginationIndicator($current_question, count($realQuestionList));
} else {
if ($last_question_in_media) {
$paginationCounter = Display::paginationIndicator($current_question, count($realQuestionList));
}
}
}
echo '<div class="row"><div class="pull-right">'.$paginationCounter.'</div></div>';
echo Display::div($exercise_actions, array('class'=>'form-actions'));
echo '</div>';
}
}
/**
* @param int $exeId
* @return array
*/
public function returnQuestionListByAttempt($exeId)
{
return $this->displayQuestionListByAttempt($exeId, false, true);
}
/**
* Display the exercise results
* @param int $exe_id
* @param bool $saveUserResult save users results (true) or just show the results (false)
* @param bool $returnExerciseResult return array with exercise result info
* @return mixed
*/
public function displayQuestionListByAttempt($exe_id, $saveUserResult = false, $returnExerciseResult = false)
{
global $origin, $debug;
//Getting attempt info
$exercise_stat_info = $this->getStatTrackExerciseInfoByExeId($exe_id);
//Getting question list
$question_list = array();
if (!empty($exercise_stat_info['data_tracking'])) {
$question_list = explode(',', $exercise_stat_info['data_tracking']);
} else {
//Try getting the question list only if save result is off
if ($saveUserResult == false) {
$question_list = $this->selectQuestionList();
}
error_log("Data tracking is empty! exe_id: $exe_id");
}
$counter = 1;
$total_score = 0;
$total_weight = 0;
$exercise_content = null;
//Hide results
$show_results = false;
$show_only_score = false;
if ($this->results_disabled == RESULT_DISABLE_SHOW_SCORE_AND_EXPECTED_ANSWERS) {
$show_results = true;
}
$showScoreOptions = [
RESULT_DISABLE_SHOW_SCORE_ONLY,
RESULT_DISABLE_SHOW_FINAL_SCORE_ONLY_WITH_CATEGORIES,
RESULT_DISABLE_SHOW_SCORE_ATTEMPT_SHOW_ANSWERS_LAST_ATTEMPT
];
if (in_array($this->results_disabled, $showScoreOptions)) {
$show_only_score = true;
}
if ($show_results || $show_only_score) {
$user_info = api_get_user_info($exercise_stat_info['exe_user_id']);
// Shows exercise header.
echo $this->show_exercise_result_header(
$user_info['complete_name'],
api_convert_and_format_date($exercise_stat_info['start_date'], DATE_TIME_FORMAT_LONG),
$exercise_stat_info['duration']
);
}
// Display text when test is finished #4074 and for LP #4227
$end_of_message = $this->selectTextWhenFinished();
if (!empty($end_of_message)) {
echo Display::return_message($end_of_message, 'normal', false);
echo "<div class='clear'>&nbsp;</div>";
}
$question_list_answers = array();
$media_list = array();
$category_list = array();
$tempParentId = null;
$mediaCounter = 0;
$exerciseResultInfo = array();
// Loop over all question to show results for each of them, one by one
if (!empty($question_list)) {
if ($debug) {
error_log('Looping question_list '.print_r($question_list, 1));
}
foreach ($question_list as $questionId) {
// Creates a temporary Question object
$objQuestionTmp = Question::read($questionId);
// This variable comes from exercise_submit_modal.php
ob_start();
$hotspot_delineation_result = null;
// We're inside *one* question. Go through each possible answer for this question
$result = $this->manageAnswers(
$exercise_stat_info['exe_id'],
$questionId,
null,
'exercise_result',
array(),
$saveUserResult,
true,
$show_results,
$hotspot_delineation_result
);
if (empty($result)) {
continue;
}
$total_score += $result['score'];
$total_weight += $result['weight'];
$question_list_answers[] = array(
'question' => $result['open_question'],
'answer' => $result['open_answer'],
'answer_type' => $result['answer_type']
);
$my_total_score = $result['score'];
$my_total_weight = $result['weight'];
// Category report
$category_was_added_for_this_test = false;
$categoryExerciseList = $this->getListOfCategoriesWithQuestionForTest();
$category_list = array();
if (isset($categoryExerciseList) && !empty($categoryExerciseList)) {
foreach ($categoryExerciseList as $category_id => $categoryInfo) {
if (!isset($category_list[$category_id])) {
$category_list[$category_id] = array();
$category_list[$category_id]['score'] = 0;
$category_list[$category_id]['total'] = 0;
}
$category_list[$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'])) {
$category_list['none'] = array();
$category_list['none']['score'] = 0;
$category_list['none']['total'] = 0;
}
$category_list['none']['score'] += $my_total_score;
$category_list['none']['total'] += $my_total_weight;
}
if ($this->selectPropagateNeg() == 0 && $my_total_score < 0) {
$my_total_score = 0;
}
$comnt = null;
if ($show_results) {
$comnt = get_comments($exe_id, $questionId);
if (!empty($comnt)) {
echo '<b>'.get_lang('Feedback').'</b>';
echo '<div id="question_feedback">'.$comnt.'</div>';
}
}
$score = array();
$score['result'] = get_lang('Score')." : ".
ExerciseLib::show_score(
$my_total_score,
$my_total_weight,
false,
true
);
$score['pass'] = $my_total_score >= $my_total_weight ? true : false;
$score['score'] = $my_total_score;
$score['weight'] = $my_total_weight;
$score['comments'] = $comnt;
$exerciseResultInfo[$questionId]['score'] = $score;
$exerciseResultInfo[$questionId]['details'] = $result;
// If no results we hide the results
if ($show_results == false) {
$score = array();
}
$contents = ob_get_clean();
$question_content = '<div class="question_row">';
if ($show_results) {
$show_media = false;
$counterToShow = $counter;
if ($objQuestionTmp->parent_id != 0) {
if (!in_array($objQuestionTmp->parent_id, $media_list)) {
$media_list[] = $objQuestionTmp->parent_id;
$show_media = true;
}
if ($tempParentId == $objQuestionTmp->parent_id) {
$mediaCounter++;
} else {
$mediaCounter = 0;
}
$counterToShow = chr(97 + $mediaCounter);
$tempParentId = $objQuestionTmp->parent_id;
}
// Shows question title an description.
$question_content .= $objQuestionTmp->return_header(
null,
$counterToShow,
$score,
$show_media,
$this->getHideQuestionTitle()
);
// display question category, if any
$question_content .= TestCategory::getCategoryNamesForQuestion(
$questionId,
null,
true,
$this->categoryMinusOne
);
}
$counter++;
$question_content .= $contents;
$question_content .= '</div>';
$exercise_content .= $question_content;
} // end foreach() block that loops over all questions
}
$total_score_text = null;
if ($returnExerciseResult) {
return $exerciseResultInfo;
}
if ($origin != 'learnpath') {
if ($show_results || $show_only_score) {
$total_score_text .= $this->get_question_ribbon($total_score, $total_weight, true);
}
}
if (!empty($category_list) && ($show_results || $show_only_score)) {
//Adding total
$category_list['total'] = array('score' => $total_score, 'total' => $total_weight);
echo TestCategory::get_stats_table_by_attempt($this->id, $category_list, $this->categoryMinusOne);
}
echo $total_score_text;
echo $exercise_content;
if (!$show_only_score) {
echo $total_score_text;
}
if ($saveUserResult) {
// Tracking of results
$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::update_event_exercise(
$exercise_stat_info['exe_id'],
$this->selectId(),
$total_score,
$total_weight,
api_get_session_id(),
$learnpath_id,
$learnpath_item_id,
$learnpath_item_view_id,
$exercise_stat_info['exe_duration'],
'',
array()
);
}
// Send notification.
if (!api_is_allowed_to_edit(null, true)) {
$isSuccess = ExerciseLib::is_success_exercise_result($total_score, $total_weight, $this->selectPassPercentage());
$this->sendCustomNotification($exe_id, $exerciseResultInfo, $isSuccess);
$this->sendNotificationForOpenQuestions($question_list_answers, $origin, $exe_id);
$this->sendNotificationForOralQuestions($question_list_answers, $origin, $exe_id);
}
}
}
/**
* Returns an HTML ribbon to show on top of the exercise result, with
* colouring depending on the success or failure of the student
* @param integer $score
* @param integer $weight
* @param bool $check_pass_percentage
* @return string
*/
public function get_question_ribbon($score, $weight, $check_pass_percentage = false)
{
$eventMessage = null;
$ribbon = '<div class="question_row">';
$ribbon .= '<div class="ribbon">';
if ($check_pass_percentage) {
$is_success = ExerciseLib::is_success_exercise_result($score, $weight, $this->selectPassPercentage());
// Color the final test score if pass_percentage activated
$ribbon_total_success_or_error = "";
if (ExerciseLib::is_pass_pourcentage_enabled($this->selectPassPercentage())) {
if ($is_success) {
$eventMessage = $this->getOnSuccessMessage();
$ribbon_total_success_or_error = ' ribbon-total-success';
} else {
$eventMessage = $this->getOnFailedMessage();
$ribbon_total_success_or_error = ' ribbon-total-error';
}
}
$ribbon .= '<div class="rib rib-total '.$ribbon_total_success_or_error.'">';
} else {
$ribbon .= '<div class="rib rib-total">';
}
$ribbon .= '<h3>'.get_lang('YourTotalScore').":&nbsp;";
$ribbon .= ExerciseLib::show_score($score, $weight, false, true);
$ribbon .= '</h3>';
$ribbon .= '</div>';
if ($check_pass_percentage) {
$ribbon .= ExerciseLib::show_success_message($score, $weight, $this->selectPassPercentage());
}
$ribbon .= '</div>';
$ribbon .= '</div>';
$ribbon .= $eventMessage;
return $ribbon;
}
/**
* Returns an array of categories details for the questions of the current
* exercise.
* @return array
*/
public function getQuestionWithCategories()
{
$categoryTable = Database::get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
$categoryRelTable = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
$TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
$TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
$sql = "SELECT DISTINCT cat.*
FROM $TBL_EXERCICE_QUESTION e
INNER JOIN $TBL_QUESTIONS q
ON (e.question_id = q.id AND e.c_id = q.c_id)
INNER JOIN $categoryRelTable catRel
ON (catRel.question_id = e.question_id)
INNER JOIN $categoryTable cat
ON (cat.id = catRel.category_id)
WHERE
e.c_id = {$this->course_id} AND
e.exercice_id = ".intval($this->id);
$result = Database::query($sql);
$categoriesInExercise = array();
if (Database::num_rows($result)) {
$categoriesInExercise = Database::store_result($result, 'ASSOC');
}
return $categoriesInExercise;
}
/**
* Calculate the max_score of the quiz, depending of question inside, and quiz advanced option
*/
public function get_max_score()
{
$out_max_score = 0;
// list of question's id !!! the array key start at 1 !!!
$questionList = $this->selectQuestionList(true);
// test is randomQuestions - see field random of test
if ($this->random > 0 && $this->randomByCat == 0) {
$numberRandomQuestions = $this->random;
$questionScoreList = array();
for ($i = 1; $i <= count($questionList); $i++) {
if (isset($questionList[$i])) {
$tmpobj_question = Question::read($questionList[$i]);
if (is_object($tmpobj_question)) {
$questionScoreList[] = $tmpobj_question->weighting;
}
}
}
rsort($questionScoreList);
// add the first $numberRandomQuestions value of score array to get max_score
for ($i = 0; $i < min($numberRandomQuestions, count($questionScoreList)); $i++) {
$out_max_score += $questionScoreList[$i];
}
} elseif ($this->random > 0 && $this->randomByCat > 0) {
// test is random by category
// get the $numberRandomQuestions best score question of each category
$numberRandomQuestions = $this->random;
$tab_categories_scores = array();
for ($i = 1; $i <= count($questionList); $i++) {
$question_category_id = TestCategory::getCategoryForQuestion($questionList[$i]);
if (!is_array($tab_categories_scores[$question_category_id])) {
$tab_categories_scores[$question_category_id] = array();
}
$tmpobj_question = Question::read($questionList[$i]);
$tab_categories_scores[$question_category_id][] = $tmpobj_question->weighting;
}
// here we've got an array with first key, the category_id, second key, score of question for this cat
while (list($key, $tab_scores) = each($tab_categories_scores)) {
rsort($tab_scores);
for ($i = 0; $i < min($numberRandomQuestions, count($tab_scores)); $i++) {
$out_max_score += $tab_scores[$i];
}
}
} else {
// standard test, just add each question score
foreach ($questionList as $questionId) {
$question = Question::read($questionId, $this->course_id);
$out_max_score += $question->weighting;
}
}
return $out_max_score;
}
/**
* @return string
*/
public function get_formated_title()
{
if (api_get_configuration_value('save_titles_as_html')) {
}
return api_html_entity_decode($this->selectTitle());
}
/**
* @param $in_title
* @return string
*/
public static function get_formated_title_variable($in_title)
{
return api_html_entity_decode($in_title);
}
/**
* @return string
*/
public function format_title()
{
return api_htmlentities($this->title);
}
/**
* @param $in_title
* @return string
*/
public static function format_title_variable($in_title)
{
return api_htmlentities($in_title);
}
/**
* @param int $courseId
* @param int $sessionId
* @return array exercises
*/
public function getExercisesByCourseSession($courseId, $sessionId)
{
$courseId = intval($courseId);
$sessionId = intval($sessionId);
$tbl_quiz = Database::get_course_table(TABLE_QUIZ_TEST);
$sql = "SELECT * FROM $tbl_quiz cq
WHERE
cq.c_id = %s AND
(cq.session_id = %s OR cq.session_id = 0) AND
cq.active = 0
ORDER BY cq.id";
$sql = sprintf($sql, $courseId, $sessionId);
$result = Database::query($sql);
$rows = array();
while ($row = Database::fetch_array($result, 'ASSOC')) {
$rows[] = $row;
}
return $rows;
}
/**
*
* @param int $courseId
* @param int $sessionId
* @param array $quizId
* @return array exercises
*/
public function getExerciseAndResult($courseId, $sessionId, $quizId = array())
{
if (empty($quizId)) {
return array();
}
$sessionId = intval($sessionId);
$ids = is_array($quizId) ? $quizId : array($quizId);
$ids = array_map('intval', $ids);
$ids = implode(',', $ids);
$track_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
if ($sessionId != 0) {
$sql = "SELECT * FROM $track_exercises te
INNER JOIN c_quiz cq ON cq.id = te.exe_exo_id AND te.c_id = cq.c_id
WHERE
te.id = %s AND
te.session_id = %s AND
cq.id IN (%s)
ORDER BY cq.id";
$sql = sprintf($sql, $courseId, $sessionId, $ids);
} else {
$sql = "SELECT * FROM $track_exercises te
INNER JOIN c_quiz cq ON cq.id = te.exe_exo_id AND te.c_id = cq.c_id
WHERE
te.id = %s AND
cq.id IN (%s)
ORDER BY cq.id";
$sql = sprintf($sql, $courseId, $ids);
}
$result = Database::query($sql);
$rows = array();
while ($row = Database::fetch_array($result, 'ASSOC')) {
$rows[] = $row;
}
return $rows;
}
/**
* @param $exeId
* @param $exercise_stat_info
* @param $remindList
* @param $currentQuestion
* @return int|null
*/
public static function getNextQuestionId($exeId, $exercise_stat_info, $remindList, $currentQuestion)
{
$result = Event::get_exercise_results_by_attempt($exeId, 'incomplete');
if (isset($result[$exeId])) {
$result = $result[$exeId];
} else {
return null;
}
$data_tracking = $exercise_stat_info['data_tracking'];
$data_tracking = explode(',', $data_tracking);
// if this is the final question do nothing.
if ($currentQuestion == count($data_tracking)) {
return null;
}
$currentQuestion = $currentQuestion - 1;
if (!empty($result['question_list'])) {
$answeredQuestions = array();
foreach ($result['question_list'] as $question) {
if (!empty($question['answer'])) {
$answeredQuestions[] = $question['question_id'];
}
}
// Checking answered questions
$counterAnsweredQuestions = 0;
foreach ($data_tracking as $questionId) {
if (!in_array($questionId, $answeredQuestions)) {
if ($currentQuestion != $counterAnsweredQuestions) {
break;
}
}
$counterAnsweredQuestions++;
}
$counterRemindListQuestions = 0;
// Checking questions saved in the reminder list
if (!empty($remindList)) {
foreach ($data_tracking as $questionId) {
if (in_array($questionId, $remindList)) {
// Skip the current question
if ($currentQuestion != $counterRemindListQuestions) {
break;
}
}
$counterRemindListQuestions++;
}
if ($counterRemindListQuestions < $currentQuestion) {
return null;
}
if (!empty($counterRemindListQuestions)) {
if ($counterRemindListQuestions > $counterAnsweredQuestions) {
return $counterAnsweredQuestions;
} else {
return $counterRemindListQuestions;
}
}
}
return $counterAnsweredQuestions;
}
}
/**
* Gets the position of a questionId in the question list
* @param $questionId
* @return int
*/
public function getPositionInCompressedQuestionList($questionId)
{
$questionList = $this->getQuestionListWithMediasCompressed();
$mediaQuestions = $this->getMediaList();
$position = 1;
foreach ($questionList as $id) {
if (isset($mediaQuestions[$id]) && in_array($questionId, $mediaQuestions[$id])) {
$mediaQuestionList = $mediaQuestions[$id];
if (in_array($questionId, $mediaQuestionList)) {
return $position;
} else {
$position++;
}
} else {
if ($id == $questionId) {
return $position;
} else {
$position++;
}
}
}
return 1;
}
/**
* Get the correct answers in all attempts
* @param int $learnPathId
* @param int $learnPathItemId
* @return array
*/
public function getCorrectAnswersInAllAttempts($learnPathId = 0, $learnPathItemId = 0)
{
$attempts = Event::getExerciseResultsByUser(
api_get_user_id(),
$this->id,
api_get_course_int_id(),
api_get_session_id(),
$learnPathId,
$learnPathItemId,
'asc'
);
$corrects = [];
foreach ($attempts as $attempt) {
foreach ($attempt['question_list'] as $answers) {
foreach ($answers as $answer) {
$objAnswer = new Answer($answer['question_id']);
switch ($objAnswer->getQuestionType()) {
case FILL_IN_BLANKS:
$isCorrect = FillBlanks::isCorrect($answer['answer']);
break;
case MATCHING:
//no break
case DRAGGABLE:
//no break
case MATCHING_DRAGGABLE:
$isCorrect = Matching::isCorrect(
$answer['position'],
$answer['answer'],
$answer['question_id']
);
break;
default:
$isCorrect = $objAnswer->isCorrectByAutoId($answer['answer']);
}
if ($isCorrect) {
$corrects[$answer['question_id']][] = $answer;
}
}
}
}
return $corrects;
}
/**
* Get the title without HTML tags
* @return string
*/
private function getUnformattedTitle()
{
return strip_tags(api_html_entity_decode($this->title));
}
}