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271 lines
10 KiB
271 lines
10 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* @package chamilo.survey
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*
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* @author unknown, the initial survey that did not make it in 1.8 because of bad code
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University: cleanup, refactoring and rewriting code
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* @author Julio Montoya <gugli100@gmail.com>, Chamilo: Personality Test modifications
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*
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* @version $Id: survey_list.php 10680 2007-01-11 21:26:23Z pcool $
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*/
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require_once __DIR__.'/../inc/global.inc.php';
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$this_section = SECTION_COURSES;
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// Database table definitions
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$table_survey = Database::get_course_table(TABLE_SURVEY);
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$table_survey_question = Database::get_course_table(TABLE_SURVEY_QUESTION);
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$table_survey_question_option = Database::get_course_table(TABLE_SURVEY_QUESTION_OPTION);
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$table_course = Database::get_main_table(TABLE_MAIN_COURSE);
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$table_user = Database::get_main_table(TABLE_MAIN_USER);
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$table_survey_invitation = Database::get_course_table(TABLE_SURVEY_INVITATION);
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$course_id = api_get_course_int_id();
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$courseInfo = $course_id ? api_get_course_info_by_id($course_id) : [];
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$userId = api_get_user_id();
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$surveyId = (int) $_GET['survey_id'];
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$userInvited = 0;
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$userAnonymous = 0;
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//query to ask if logged user is allowed to see the preview (if he is invited of he is a teacher)
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$sql = "SELECT survey_invitation.user
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FROM $table_survey_invitation survey_invitation
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LEFT JOIN $table_survey survey
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ON survey_invitation.survey_code = survey.code
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WHERE
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survey_invitation.c_id = $course_id AND
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survey.survey_id = $surveyId AND
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survey_invitation.user = $userId";
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$result = Database::query($sql);
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if (Database::num_rows($result) > 0) {
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$userInvited = 1;
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}
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// We exit here if there is no valid $_GET parameter
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if (!isset($_GET['survey_id']) || !is_numeric($_GET['survey_id'])) {
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api_not_allowed(
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true,
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Display::return_message(get_lang('InvallidSurvey'), 'error', false)
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);
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}
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// Getting the survey information
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$survey_data = SurveyManager::get_survey($surveyId);
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if (empty($survey_data)) {
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api_not_allowed(
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true,
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Display::return_message(get_lang('InvallidSurvey'), 'error', false)
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);
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}
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$urlname = strip_tags($survey_data['title']);
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if (api_is_allowed_to_edit()) {
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// Breadcrumbs
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$interbreadcrumb[] = [
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'url' => api_get_path(WEB_CODE_PATH).'survey/survey_list.php?'.api_get_cidreq(),
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'name' => get_lang('SurveyList'),
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];
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$interbreadcrumb[] = [
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'url' => api_get_path(WEB_CODE_PATH).'survey/survey.php?survey_id='.$surveyId.'&'.api_get_cidreq(),
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'name' => $urlname,
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];
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}
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$courseCode = isset($_GET['cidReq']) ? $_GET['cidReq'] : null;
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$surveyAnonymous = SurveyManager::get_survey($surveyId, 0, $courseCode);
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$surveyAnonymous = $surveyAnonymous['anonymous'];
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if ($surveyAnonymous == 0 && api_is_anonymous()) {
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api_not_allowed(true);
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} elseif ($surveyAnonymous == 0 && $userInvited == 0) {
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if (!api_is_allowed_to_edit()) {
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api_not_allowed(true);
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}
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}
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// Header
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Display::display_header(get_lang('SurveyPreview'));
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// We exit here is the first or last question is a pagebreak (which causes errors)
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SurveyUtil::check_first_last_question($surveyId, false);
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$counter_question = 0;
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// Only a course admin is allowed to preview a survey: you are a course admin
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if (api_is_course_admin() ||
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(api_is_course_admin() && $_GET['isStudentView'] == 'true') ||
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api_is_allowed_to_session_edit(false, true)
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) {
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// Survey information
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echo '<div class="page-header"><h2>'.$survey_data['survey_title'].'</h2></div>';
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if (!empty($survey_data['survey_subtitle'])) {
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echo '<div id="survey_subtitle">'.$survey_data['survey_subtitle'].'</div>';
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}
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// Displaying the survey introduction
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if (!isset($_GET['show'])) {
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if (!empty($survey_data['survey_introduction'])) {
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echo '<div class="survey_content">'.$survey_data['survey_introduction'].'</div>';
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}
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$limit = 0;
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}
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// Displaying the survey thanks message
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if (isset($_POST['finish_survey'])) {
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echo Display::return_message(get_lang('SurveyFinished'), 'confirm');
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echo $survey_data['survey_thanks'];
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Display :: display_footer();
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exit;
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}
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$questions = [];
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if (isset($_GET['show'])) {
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// Getting all the questions for this page and add them to a
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// multidimensional array where the first index is the page.
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// as long as there is no pagebreak fount we keep adding questions to the page
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$questions_displayed = [];
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$paged_questions = [];
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$counter = 0;
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$sql = "SELECT * FROM $table_survey_question
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WHERE c_id = $course_id AND survey_id = '".$surveyId."'
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ORDER BY sort ASC";
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$result = Database::query($sql);
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$questions_exists = true;
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if (Database::num_rows($result)) {
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while ($row = Database::fetch_array($result)) {
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if ($row['type'] == 'pagebreak') {
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$counter++;
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} else {
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$paged_questions[$counter][] = $row['question_id'];
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}
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}
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} else {
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$questions_exists = false;
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}
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if (array_key_exists($_GET['show'], $paged_questions)) {
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$sql = "SELECT
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survey_question.question_id,
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survey_question.survey_id,
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survey_question.survey_question,
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survey_question.display,
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survey_question.sort,
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survey_question.type,
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survey_question.max_value,
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survey_question_option.question_option_id,
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survey_question_option.option_text,
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survey_question_option.sort as option_sort
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FROM $table_survey_question survey_question
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LEFT JOIN $table_survey_question_option survey_question_option
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ON
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survey_question.question_id = survey_question_option.question_id AND
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survey_question_option.c_id = $course_id
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WHERE
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survey_question.survey_id = '".$surveyId."' AND
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survey_question.question_id IN (".Database::escape_string(implode(',', $paged_questions[$_GET['show']]), null, false).") AND
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survey_question.c_id = $course_id
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ORDER BY survey_question.sort, survey_question_option.sort ASC";
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$result = Database::query($sql);
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$question_counter_max = Database::num_rows($result);
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$limit = 0;
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while ($row = Database::fetch_array($result)) {
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// If the type is not a pagebreak we store it in the $questions array
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if ($row['type'] != 'pagebreak') {
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$questions[$row['sort']]['question_id'] = $row['question_id'];
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$questions[$row['sort']]['survey_id'] = $row['survey_id'];
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$questions[$row['sort']]['survey_question'] = $row['survey_question'];
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$questions[$row['sort']]['display'] = $row['display'];
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$questions[$row['sort']]['type'] = $row['type'];
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$questions[$row['sort']]['options'][intval($row['option_sort'])] = $row['option_text'];
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$questions[$row['sort']]['maximum_score'] = $row['max_value'];
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} else {
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// If the type is a pagebreak we are finished loading the questions for this page
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break;
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}
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$counter_question++;
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}
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}
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}
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// Selecting the maximum number of pages
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$sql = "SELECT * FROM $table_survey_question
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WHERE
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c_id = $course_id AND
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type = '".Database::escape_string('pagebreak')."' AND
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survey_id = '".$surveyId."'";
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$result = Database::query($sql);
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$numberofpages = Database::num_rows($result) + 1;
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// Displaying the form with the questions
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if (isset($_GET['show'])) {
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$show = (int) $_GET['show'] + 1;
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} else {
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$show = 0;
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}
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$url = api_get_self().'?survey_id='.$surveyId.'&show='.$show;
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$form = new FormValidator(
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'question-survey',
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'post',
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$url,
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null,
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null,
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FormValidator::LAYOUT_INLINE
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);
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if (is_array($questions) && count($questions) > 0) {
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foreach ($questions as $key => &$question) {
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$ch_type = 'ch_'.$question['type'];
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/** @var survey_question $display */
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$display = new $ch_type();
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$form->addHtml('<div class="survey_question '.$ch_type.'">');
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$form->addHtml('<h5 class="title">'.$key.'. '.strip_tags($question['survey_question']).'</h5>');
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$display->render($form, $question);
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$form->addHtml('</div>');
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}
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}
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$form->addHtml('<div class="start-survey">');
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if (($show < $numberofpages) || (!$_GET['show'] && count($questions) > 0)) {
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if ($show == 0) {
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$form->addButton(
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'next_survey_page',
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get_lang('StartSurvey'),
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'arrow-right',
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'success'
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);
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} else {
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$form->addButton(
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'next_survey_page',
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get_lang('NextQuestion'),
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'arrow-right',
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'success'
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);
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}
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}
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if ($show >= $numberofpages && $_GET['show'] ||
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(isset($_GET['show']) && count($questions) == 0)
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) {
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if ($questions_exists == false) {
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echo '<p>'.get_lang('ThereAreNotQuestionsForthisSurvey').'</p>';
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}
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$form->addButton(
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'finish_survey',
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get_lang('FinishSurvey'),
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'arrow-right',
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'success'
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);
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}
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$form->addHtml('</div>');
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$form->display();
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if ($courseInfo) {
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echo Display::toolbarButton(
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get_lang('ReturnToCourseHomepage'),
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api_get_course_url($courseInfo['code']),
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'home'
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);
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}
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} else {
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echo Display::return_message(get_lang('NotAllowed'), 'error', false);
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}
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Display::display_footer();
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