Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/public/main/survey/preview.php

238 lines
8.0 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* @package chamilo.survey
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
* @author Julio Montoya <gugli100@gmail.com>
*/
require_once __DIR__.'/../inc/global.inc.php';
api_protect_course_script(true);
if (!api_is_allowed_to_edit()) {
api_not_allowed(true);
}
$surveyId = (int) $_GET['survey_id'];
if (empty($surveyId)) {
api_not_allowed(true);
}
// Getting the survey information
$survey_data = SurveyManager::get_survey($surveyId);
if (empty($survey_data)) {
api_not_allowed(true);
}
$this_section = SECTION_COURSES;
$table_survey_question = Database::get_course_table(TABLE_SURVEY_QUESTION);
$table_survey_question_option = Database::get_course_table(TABLE_SURVEY_QUESTION_OPTION);
$course_id = api_get_course_int_id();
$courseInfo = api_get_course_info();
$allowRequiredSurveyQuestions = api_get_configuration_value('allow_required_survey_questions');
// Breadcrumbs
$interbreadcrumb[] = [
'url' => api_get_path(WEB_CODE_PATH).'survey/survey_list.php?'.api_get_cidreq(),
'name' => get_lang('Survey list'),
];
$interbreadcrumb[] = [
'url' => api_get_path(WEB_CODE_PATH).'survey/survey.php?survey_id='.$surveyId.'&'.api_get_cidreq(),
'name' => strip_tags($survey_data['title']),
];
$show = 0;
Display::display_header(get_lang('Survey preview'));
// We exit here is the first or last question is a pagebreak (which causes errors)
SurveyUtil::check_first_last_question($surveyId, false);
// Survey information
echo '<div class="page-header"><h2>'.$survey_data['survey_title'].'</h2></div>';
if (!empty($survey_data['survey_subtitle'])) {
echo '<div id="survey_subtitle">'.$survey_data['survey_subtitle'].'</div>';
}
// Displaying the survey introduction
if (!isset($_GET['show'])) {
if (!empty($survey_data['survey_introduction'])) {
echo '<div class="survey_content">'.$survey_data['survey_introduction'].'</div>';
}
}
// Displaying the survey thanks message
if (isset($_POST['finish_survey'])) {
echo Display::return_message(get_lang('You have finished this survey.'), 'confirm');
echo $survey_data['survey_thanks'];
Display::display_footer();
exit;
}
$questions = [];
if (isset($_GET['show'])) {
// Getting all the questions for this page and add them to a
// multidimensional array where the first index is the page.
// as long as there is no pagebreak fount we keep adding questions to the page
$paged_questions = [];
$counter = 0;
$sql = "SELECT * FROM $table_survey_question
WHERE
survey_question NOT LIKE '%{{%' AND
c_id = $course_id AND
survey_id = '".$surveyId."'
ORDER BY sort ASC";
$result = Database::query($sql);
$questions_exists = true;
if (Database::num_rows($result)) {
while ($row = Database::fetch_array($result)) {
if ($survey_data['one_question_per_page'] == 1) {
if ($row['type'] != 'pagebreak') {
$paged_questions[$counter][] = $row['question_id'];
$counter++;
continue;
}
} else {
if ($row['type'] == 'pagebreak') {
$counter++;
} else {
$paged_questions[$counter][] = $row['question_id'];
}
}
}
} else {
$questions_exists = false;
}
if (array_key_exists($_GET['show'], $paged_questions)) {
$sql = "SELECT
survey_question.question_id,
survey_question.survey_id,
survey_question.survey_question,
survey_question.display,
survey_question.sort,
survey_question.type,
survey_question.max_value,
survey_question_option.question_option_id,
survey_question_option.option_text,
survey_question_option.sort as option_sort
".($allowRequiredSurveyQuestions ? ', survey_question.is_required' : '')."
FROM $table_survey_question survey_question
LEFT JOIN $table_survey_question_option survey_question_option
ON
survey_question.question_id = survey_question_option.question_id AND
survey_question_option.c_id = survey_question.c_id
WHERE
survey_question.survey_id = '".$surveyId."' AND
survey_question.question_id IN (".Database::escape_string(implode(',', $paged_questions[$_GET['show']]), null, false).") AND
survey_question.c_id = $course_id AND
survey_question NOT LIKE '%{{%'
ORDER BY survey_question.sort, survey_question_option.sort ASC";
$result = Database::query($sql);
while ($row = Database::fetch_array($result)) {
// If the type is not a pagebreak we store it in the $questions array
if ($row['type'] != 'pagebreak') {
$sort = $row['sort'];
$questions[$sort]['question_id'] = $row['question_id'];
$questions[$sort]['survey_id'] = $row['survey_id'];
$questions[$sort]['survey_question'] = $row['survey_question'];
$questions[$sort]['display'] = $row['display'];
$questions[$sort]['type'] = $row['type'];
$questions[$sort]['options'][$row['question_option_id']] = $row['option_text'];
$questions[$sort]['maximum_score'] = $row['max_value'];
$questions[$row['sort']]['is_required'] = $allowRequiredSurveyQuestions && $row['is_required'];
}
}
}
}
$numberOfPages = SurveyManager::getCountPages($survey_data);
// Displaying the form with the questions
if (isset($_GET['show'])) {
$show = (int) $_GET['show'] + 1;
}
$originalShow = isset($_GET['show']) ? (int) $_GET['show'] : 0;
$url = api_get_self().'?survey_id='.$surveyId.'&show='.$show.'&'.api_get_cidreq();
$form = new FormValidator(
'question-survey',
'post',
$url,
null,
null,
FormValidator::LAYOUT_INLINE
);
if (is_array($questions) && count($questions) > 0) {
$counter = 1;
if (!empty($originalShow)) {
$before = 0;
foreach ($paged_questions as $keyQuestion => $list) {
if ($originalShow > $keyQuestion) {
$before += count($list);
}
}
$counter = $before + 1;
}
foreach ($questions as $key => &$question) {
$ch_type = 'ch_'.$question['type'];
$display = survey_question::createQuestion($question['type']);
$form->addHtml('<div class="survey_question '.$ch_type.'">');
$form->addHtml('<div style="float:left; font-weight: bold; margin-right: 5px;"> '.$counter.'. </div>');
$form->addHtml('<div>'.Security::remove_XSS($question['survey_question']).'</div> ');
$display->render($form, $question);
$form->addHtml('</div>');
$counter++;
}
}
$form->addHtml('<div class="start-survey">');
if ($show < $numberOfPages) {
if ($show == 0) {
$form->addButton(
'next_survey_page',
get_lang('Start the Survey'),
'arrow-right',
'success'
);
} else {
$form->addButton(
'next_survey_page',
get_lang('Next question'),
'arrow-right',
'success'
);
}
}
if (isset($_GET['show'])) {
if ($show >= $numberOfPages || count($questions) == 0) {
if ($questions_exists == false) {
echo '<p>'.get_lang('There are not questions for this survey').'</p>';
}
$form->addButton(
'finish_survey',
get_lang('Finish survey'),
'arrow-right',
'success'
);
}
}
$form->addHtml('</div>');
$form->display();
echo Display::toolbarButton(
get_lang('Return to Course Homepage'),
api_get_course_url($courseInfo['code']),
'home'
);
Display::display_footer();