public/main/survey/fillsurvey.php
<?php
/* For licensing terms, see /license.txt */
use Chamilo\CoreBundle\Framework\Container;
use Chamilo\CourseBundle\Entity\CSurvey;
use ChamiloSession as Session;
$lastQuestion = 0;
/**
* @author unknown, the initial survey that did not make it in 1.8 because of bad code
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University: cleanup,
* refactoring and rewriting large parts of the code
* @author Julio Montoya <gugli100@gmail.com>, Chamilo: Personality Test
* modification and rewriting large parts of the code as well
*
* @todo check if the user already filled the survey and if this
* is the case then the answers have to be updated and not stored again.
* @todo performance could be improved if not the survey_id was
* stored with the invitation but the survey_code
*/
// Unsetting the course id (because it is in the URL)
if (!isset($_GET['cidReq'])) {
$cidReset = true;
} else {
$_cid = $_GET['cidReq'];
}
require_once __DIR__.'/../inc/global.inc.php';
// Database table definitions
$table_survey = Database::get_course_table(TABLE_SURVEY);
$table_survey_answer = Database::get_course_table(TABLE_SURVEY_ANSWER);
$table_survey_question = Database::get_course_table(TABLE_SURVEY_QUESTION);
$table_survey_question_option = Database::get_course_table(TABLE_SURVEY_QUESTION_OPTION);
$table_survey_invitation = Database::get_course_table(TABLE_SURVEY_INVITATION);
$table_user = Database::get_main_table(TABLE_MAIN_USER);
$allowRequiredSurveyQuestions = true;
// Check if user is anonymous or not
$isAnonymous = false;
if (api_is_anonymous(api_get_user_id(), true)) {
$isAnonymous = true;
}
// getting all the course information
if (isset($_GET['course'])) {
$courseInfo = api_get_course_info($_GET['course']);
} else {
$courseInfo = api_get_course_info();
}
if (empty($courseInfo)) {
api_not_allowed(true);
}
$courseId = $courseInfo['real_id'];
$userInfo = api_get_user_info();
$sessionId = isset($_GET['sid']) ? (int) $_GET['sid'] : api_get_session_id();
if (!empty($userInfo)) {
$interbreadcrumb[] = [
'url' => api_get_path(WEB_CODE_PATH).'survey/survey_list.php?cid='.$courseId.'&sid='.$sessionId,
'name' => get_lang('Survey list'),
];
}
// First we check if the needed parameters are present
if ((!isset($_GET['course']) || !isset($_GET['invitationcode'])) && !isset($_GET['user_id'])) {
api_not_allowed(true, get_lang('There is a parameter missing in the link. Please use copy and past'));
}
$repo = Container::getSurveyRepository();
$surveyId = isset($_GET['iid']) ? (int) $_GET['iid'] : 0;
if (empty($surveyId) && (isset($_POST['language']) && is_numeric($_POST['language']))) {
$surveyId = (int) $_POST['language'];
}
/** @var CSurvey $survey */
$survey = $repo->find($surveyId);
if (null === $survey) {
api_not_allowed(true);
}
$surveyId = $survey->getIid();
$invitationCode = $_GET['invitationcode'] ?? null;
/*$surveyCode = isset($_GET['scode']) ? Database::escape_string($_GET['scode']) : '';
if ('' != $surveyCode) {
// Firstly we check if this survey is ready for anonymous use:
$sql = "SELECT anonymous FROM $table_survey
WHERE c_id = $courseId AND code ='".$surveyCode."'";
$resultAnonymous = Database::query($sql);
$rowAnonymous = Database::fetch_assoc($resultAnonymous);
// If is anonymous and is not allowed to take the survey to anonymous users, forbid access:
if (!isset($rowAnonymous['anonymous']) ||
(0 == $rowAnonymous['anonymous'] && api_is_anonymous()) ||
0 == count($rowAnonymous)
) {
api_not_allowed(true);
}
// If is anonymous and it is allowed to take the survey as anonymous, mark survey as anonymous.
}*/
if ((0 == $survey->getAnonymous() && api_is_anonymous())) {
api_not_allowed(true);
}
// Start auto-invitation feature FS#3403 (all-users-can-do-the-survey-URL handling)
if ('auto' === $invitationCode) {
$userid = api_get_user_id();
// Survey_code of the survey
$surveyCode = $survey->getCode();
if ($isAnonymous) {
$autoInvitationCode = 'auto-ANONY_'.md5(time())."-$surveyCode";
} else {
$invitations = SurveyManager::getUserInvitationsForSurveyInCourse(
$userid,
$surveyCode,
$courseId,
$sessionId
);
$lastInvitation = current($invitations);
if (!$lastInvitation) {
// New invitation code from userid
$autoInvitationCode = "auto-$userid-$surveyCode";
} else {
$autoInvitationCode = $lastInvitation->getInvitationCode();
}
}
// Check availability.
SurveyManager::checkTimeAvailability($survey);
// Check for double invitation records (insert should be done once)
$sql = "SELECT user_id
FROM $table_survey_invitation
WHERE
c_id = $courseId AND
invitation_code = '".Database::escape_string($autoInvitationCode)."'";
$result = Database::query($sql);
$now = api_get_utc_datetime();
if (0 == Database::num_rows($result)) {
$params = [
'c_id' => $courseId,
'survey_id' => $surveyId,
'user_id' => $userid,
'invitation_code' => $autoInvitationCode,
'invitation_date' => $now,
'answered' => 0,
'c_lp_item_id' => 0,
];
Database::insert($table_survey_invitation, $params);
}
// From here we use the new invitationcode auto-userid-surveycode string
$_GET['invitationcode'] = $autoInvitationCode;
Session::write('auto_invitation_code_'.$surveyCode, $autoInvitationCode);
$invitationCode = $autoInvitationCode;
}
// Now we check if the invitation code is valid
$sql = "SELECT * FROM $table_survey_invitation
WHERE
c_id = $courseId AND
invitation_code = '".Database::escape_string($invitationCode)."'";
$result = Database::query($sql);
if (Database::num_rows($result) < 1) {
api_not_allowed(true, get_lang('Wrong invitation code'));
}
$survey_invitation = Database::fetch_assoc($result);
$surveyUserFromSession = Session::read('surveyuser');
// Now we check if the user already filled the survey
if (!isset($_POST['finish_survey']) &&
(
$isAnonymous &&
!empty($surveyUserFromSession) &&
SurveyUtil::isSurveyAnsweredFlagged($survey->getCode(), $survey_invitation['c_id'])
) ||
(1 == $survey_invitation['answered'] && !isset($_GET['user_id']))
) {
api_not_allowed(true, Display::return_message(get_lang('You already filled this survey')));
}
$logInfo = [
'tool' => TOOL_SURVEY,
'tool_id' => $survey_invitation['iid'],
'action' => 'invitationcode',
'action_details' => $invitationCode,
];
Event::registerLog($logInfo);
$survey_invitation['survey_id'] = $surveyId;
// Checking time availability
SurveyManager::checkTimeAvailability($survey);
$surveyType = $survey->getSurveyType();
if (3 === $surveyType) {
header('Location: '.
api_get_path(WEB_CODE_PATH).
'survey/meeting.php?cid='.$courseId.'&sid='.$sessionId.'&invitationcode='.Security::remove_XSS($invitationCode)
);
exit;
}
if (!empty($survey->getAnonymous())) {
define('USER_IN_ANON_SURVEY', true);
}
// Storing the answers
if (count($_POST) > 0) {
if (0 === $surveyType) {
$types = [];
$required = [];
$questions = $survey->getQuestions();
$questionList = [];
foreach ($questions as $question) {
$id = $question->getIid();
$questionList[$id] = $question;
$types[$id] = $question->getType();
$required[$id] = $allowRequiredSurveyQuestions && $question->isMandatory();
}
// Looping through all the post values
foreach ($_POST as $key => &$value) {
// If the post value key contains the string 'question' then it is an answer on a question
if (false === strpos($key, 'other_question') &&
false !== strpos($key, 'question') && '_qf__question' !== $key
) {
// Finding the question id by removing 'question'
$survey_question_id = str_replace('question', '', $key);
// If not question ID was defined, we're on the start
// screen or something else that doesn't require
// saving an answer
if (empty($survey_question_id)) {
continue;
}
$other = isset($_POST['other_question'.$survey_question_id]) ? $_POST['other_question'.$survey_question_id] : '';
$question = $questionList[$survey_question_id] ?? null;
if (null === $question) {
continue;
}
/* If the post value is an array then we have a multiple response question or a scoring question type
remark: when it is a multiple response then the value of the array is the option_id
when it is a scoring question then the key of the array is the option_id and the value is the value
*/
if (is_array($value)) {
SurveyUtil::remove_answer(
$survey_invitation['user_id'],
$surveyId,
$survey_question_id
);
foreach ($value as $answer_key => &$answer_value) {
if ('score' === $types[$survey_question_id]) {
$option_id = $answer_key;
$option_value = $answer_value;
} else {
$option_id = $answer_value;
$option_value = '';
}
SurveyUtil::saveAnswer(
$survey_invitation['user_id'],
$survey,
$question,
$option_id,
$option_value
);
}
} else {
// All the other question types (open question, multiple choice, percentage, ...)
$option_value = 0;
if (isset($types[$survey_question_id]) && 'percentage' === $types[$survey_question_id]) {
$sql = "SELECT * FROM $table_survey_question_option
WHERE
iid='".intval($value)."'";
$result = Database::query($sql);
$row = Database::fetch_assoc($result);
if ($row) {
$option_value = $row['option_text'];
}
} else {
if (isset($types[$survey_question_id]) && 'open' === $types[$survey_question_id]) {
$option_value = $value;
}
}
$survey_question_answer = $value;
SurveyUtil::remove_answer(
$survey_invitation['user_id'],
$surveyId,
$survey_question_id
);
SurveyUtil::saveAnswer(
$survey_invitation['user_id'],
$survey,
$question,
$value,
$option_value,
$other
);
}
}
}
} elseif (1 === $survey->getSurveyType()) {
//conditional/personality-test type surveys
// Getting all the types of the question (because of the special treatment of the score question type
$shuffle = '';
if (1 == $survey->getShuffle()) {
$shuffle = ' ORDER BY RAND() ';
}
/*$sql = "SELECT * FROM $table_survey_question
WHERE
survey_id = $surveyId AND
survey_group_pri = '0'
$shuffle";
$result = Database::query($sql);*/
// There is only one question type for conditional surveys
$types = [];
//while ($row = Database::fetch_assoc($result)) {
$questions = $survey->getQuestions();
$questionList = [];
foreach ($questions as $question) {
$questionList[$question->getIid()] = $question;
}
// Looping through all the post values
foreach ($_POST as $key => &$value) {
// If the post value key contains the string 'question' then it is an answer to a question
if (false !== strpos($key, 'question')) {
// Finding the question id by removing 'question'
$survey_question_id = str_replace('question', '', $key);
// If not question ID was defined, we're on the start
// screen or something else that doesn't require
// saving an answer
if (empty($survey_question_id)) {
continue;
}
// We select the correct answer and the puntuacion
$sql = "SELECT value FROM $table_survey_question_option
WHERE iid='".intval($value)."'";
$result = Database::query($sql);
$row = Database::fetch_assoc($result);
$option_value = $row['value'];
$survey_question_answer = $value;
// We save the answer after making sure that a possible previous attempt is deleted
SurveyUtil::remove_answer(
$survey_invitation['user_id'],
$survey_invitation['survey_id'],
$survey_question_id
);
SurveyUtil::saveAnswer(
$survey_invitation['user_id'],
$survey_invitation['survey_id'],
$questionList[$survey_question_id],
$value,
$option_value
);
}
}
} else {
// In case it's another type than 0 or 1
api_not_allowed(true, get_lang('Survey type unknown'));
}
}
$user_id = api_get_user_id();
if (0 == $user_id) {
$user_id = $survey_invitation['user_id'];
}
$user_data = api_get_user_info($user_id);
if ('' != $survey->getFormFields() &&
0 == $survey->getAnonymous() &&
is_array($user_data)
) {
$form_fields = explode('@', $survey->getFormFields());
$list = [];
foreach ($form_fields as $field) {
$field_value = explode(':', $field);
if (isset($field_value[1]) && 1 == $field_value[1]) {
if ('' != $field_value[0]) {
$val = api_substr($field_value[0], 8, api_strlen($field_value[0]));
$list[$val] = 1;
}
}
}
$url = api_get_self().'?cid='.$courseId.'&sid='.$sessionId;
$listQueryParams = explode('&', $_SERVER['QUERY_STRING']);
foreach ($listQueryParams as $param) {
$url .= '&'.Security::remove_XSS($param);
}
// We use the same form as in auth/profile.php
$form = new FormValidator('profile', 'post', $url);
if (api_is_western_name_order()) {
if (isset($list['firstname']) && 1 == $list['firstname']) {
//FIRST NAME
$form->addElement('text', 'firstname', get_lang('First name'), ['size' => 40]);
if ('true' !== api_get_setting('profile', 'name')) {
$form->freeze(['firstname']);
}
$form->applyFilter(['firstname'], 'stripslashes');
$form->applyFilter(['firstname'], 'trim');
$form->addRule('firstname', get_lang('Required field'), 'required');
}
if (isset($list['lastname']) && 1 == $list['lastname']) {
// LAST NAME
$form->addElement('text', 'lastname', get_lang('Last name'), ['size' => 40]);
if ('true' !== api_get_setting('profile', 'name')) {
$form->freeze(['lastname']);
}
$form->applyFilter(['lastname'], 'stripslashes');
$form->applyFilter(['lastname'], 'trim');
$form->addRule('lastname', get_lang('Required field'), 'required');
}
} else {
if (isset($list['lastname']) && 1 == $list['lastname']) {
// LAST NAME
$form->addElement('text', 'lastname', get_lang('Last name'), ['size' => 40]);
if ('true' !== api_get_setting('profile', 'name')) {
$form->freeze(['lastname']);
}
$form->applyFilter(['lastname'], 'stripslashes');
$form->applyFilter(['lastname'], 'trim');
$form->addRule('lastname', get_lang('Required field'), 'required');
}
if (isset($list['firstname']) && 1 == $list['firstname']) {
//FIRST NAME
$form->addElement('text', 'firstname', get_lang('First name'), ['size' => 40]);
if ('true' !== api_get_setting('profile', 'name')) {
$form->freeze(['firstname']);
}
$form->applyFilter(['firstname'], 'stripslashes');
$form->applyFilter(['firstname'], 'trim');
$form->addRule('firstname', get_lang('Required field'), 'required');
}
}
if (isset($list['official_code']) && 1 == $list['official_code']) {
// OFFICIAL CODE
$form->addElement('text', 'official_code', get_lang('Code'), ['size' => 40]);
if ('true' !== api_get_setting('profile', 'officialcode')) {
$form->freeze('official_code');
}
$form->applyFilter('official_code', 'stripslashes');
$form->applyFilter('official_code', 'trim');
if ('true' === api_get_setting('registration', 'officialcode') &&
'true' === api_get_setting('profile', 'officialcode')
) {
$form->addRule('official_code', get_lang('Required field'), 'required');
}
}
if (isset($list['email']) && 1 == $list['email']) {
// EMAIL
$form->addElement('text', 'email', get_lang('e-mail'), ['size' => 40]);
if ('true' !== api_get_setting('profile', 'email')) {
$form->freeze('email');
}
$form->applyFilter('email', 'stripslashes');
$form->applyFilter('email', 'trim');
if ('true' === api_get_setting('registration', 'email')) {
$form->addRule('email', get_lang('Required field'), 'required');
}
$form->addEmailRule('email');
}
if (isset($list['phone']) && 1 == $list['phone']) {
// PHONE
$form->addElement('text', 'phone', get_lang('Phone'), ['size' => 20]);
if ('true' !== api_get_setting('profile', 'phone')) {
$form->freeze('phone');
}
$form->applyFilter('phone', 'stripslashes');
$form->applyFilter('phone', 'trim');
if ('true' == api_get_setting('profile', 'phone')) {
$form->addRule('phone', get_lang('Required field'), 'required');
}
}
if (isset($list['language']) && 1 == $list['language']) {
// LANGUAGE
$form->addSelectLanguage('language', get_lang('Language'));
if ('true' !== api_get_setting('profile', 'language')) {
$form->freeze('language');
}
if ('true' === api_get_setting('profile', 'language')) {
$form->addRule('language', get_lang('Required field'), 'required');
}
}
// EXTRA FIELDS
$extraField = new ExtraField('user');
$returnParams = $extraField->addElements($form, api_get_user_id());
$jquery_ready_content = $returnParams['jquery_ready_content'];
// the $jquery_ready_content variable collects all functions
// that will be load in the $(document).ready javascript function
$htmlHeadXtra[] = '<script>
$(function() {
'.$jquery_ready_content.'
});
</script>';
$form->addButtonNext(get_lang('Next'));
$form->setDefaults($user_data);
}
//$htmlHeadXtra[] = '<script>'.api_get_language_translate_html().'</script>';
$htmlHeadXtra[] = ch_selectivedisplay::getJs();
$htmlHeadXtra[] = survey_question::getJs();
Display::display_header(get_lang('Surveys'));
// Displaying the survey title and subtitle (appears on every page)
echo '<div class="survey-block">';
echo '<div class="page-header">';
echo '<h2>';
echo strip_tags($survey->getTitle(), '<span>').'</h2></div>';
if (!empty($survey->getSubtitle())) {
echo '<div class="survey_subtitle"><p>'.strip_tags($survey->getSubtitle()).'</p></div>';
}
// Displaying the survey introduction
if (
!isset($_GET['show']) ||
(isset($_GET['show'])) && '' == $_GET['show']) {
// The first thing we do is delete the session
Session::erase('paged_questions');
Session::erase('page_questions_sec');
$paged_questions_sec = [];
if (!empty($survey->getIntro())) {
echo '<div class="survey_content">'.Security::remove_XSS($survey->getIntro()).'</div>';
}
$limit = 0;
}
if ($survey->getFormFields() &&
0 == $survey->getAnonymous() &&
is_array($user_data) &&
!isset($_GET['show'])
) {
if ($form->validate()) {
$user_data = $form->exportValues();
if (is_array($user_data)) {
if (count($user_data) > 0) {
$extras = [];
// Build SQL query
$sql = "UPDATE $table_user SET";
$update = false;
$allowedFields = [
'firstname',
'lastname',
'official_code',
'email',
'phone',
'language',
];
foreach ($user_data as $key => $value) {
if (in_array($key, $allowedFields)) {
$sql .= " $key = '".Database :: escape_string($value)."',";
$update = true;
}
}
// Remove trailing , from the query we have so far
$sql = rtrim($sql, ',');
$sql .= " WHERE id = $user_id";
if ($update) {
Database::query($sql);
}
$extraFieldValue = new ExtraFieldValue('user');
$extraFieldValue->saveFieldValues($user_data);
echo '<div id="survey_content" class="survey_content">'.
get_lang('Information updated').' '.get_lang('Please fill survey').'</div>';
}
}
$_GET['show'] = 0;
$show = 0;
// We unset the sessions
Session::erase('paged_questions');
Session::erase('page_questions_sec');
$paged_questions_sec = [];
} else {
echo '<div id="survey_content" class="survey_content">'.get_lang('Update information').'</div>';
// We unset the sessions
Session::erase('paged_questions');
Session::erase('page_questions_sec');
$paged_questions_sec = [];
$form->display();
}
}
// Displaying the survey thanks message
if (isset($_POST['finish_survey'])) {
echo Display::return_message(get_lang('You have finished this survey.'), 'confirm');
echo Security::remove_XSS($survey->getSurveythanks());
SurveyManager::updateSurveyAnswered($survey, $survey_invitation['user_id']);
SurveyUtil::flagSurveyAsAnswered($survey->getCode(), $survey_invitation['c_id']);
if ($courseInfo && !api_is_anonymous()) {
echo '<br /><br />';
echo Display::toolbarButton(
get_lang('Return to Course Homepage'),
api_get_course_url($courseInfo['real_id']),
'home-outline'
);
}
Session::erase('paged_questions');
Session::erase('page_questions_sec');
Display::display_footer();
exit();
}
// Sets the random questions
$shuffle = '';
if (1 == $survey->getShuffle()) {
$shuffle = ' BY RAND() ';
}
$pageBreakText = [];
if ((isset($_GET['show']) && '' != $_GET['show']) ||
isset($_POST['personality'])
) {
// 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
$questions_displayed = [];
$counter = 0;
$paged_questions = [];
// If non-conditional survey
$select = '';
$select = ' survey_question.parent_id, survey_question.parent_option_id, ';
// If non-conditional survey
if (0 === $survey->getSurveyType()) {
if (empty($paged_questions)) {
$sql = "SELECT * FROM $table_survey_question
WHERE
survey_question NOT LIKE '%{{%' AND
survey_id = '".$surveyId."'
ORDER BY sort ASC";
$result = Database::query($sql);
while ($row = Database::fetch_assoc($result)) {
if (1 == $survey->getOneQuestionPerPage()) {
if ('pagebreak' !== $row['type']) {
$paged_questions[$counter][] = $row['iid'];
$counter++;
continue;
}
} else {
if ('pagebreak' === $row['type']) {
$counter++;
$pageBreakText[$counter] = $row['survey_question'];
} else {
$paged_questions[$counter][] = $row['iid'];
}
}
}
Session::write('paged_questions', $paged_questions);
}
// Redefinition of variables and session ids to fix issue of survey not
// showing questions - see support.chamilo.org #5529
$courseId = $survey_invitation['c_id'];
Session::write('_cid', $courseId);
Session::write('_real_cid', $courseId);
if (array_key_exists($_GET['show'], $paged_questions)) {
if (isset($_GET['user_id'])) {
// Get the user into survey answer table (user or anonymus)
$my_user_id = 1 == $survey->getAnonymous() ? $surveyUserFromSession : api_get_user_id();
$sql = "SELECT
survey_question.survey_group_sec1,
survey_question.survey_group_sec2,
survey_question.survey_group_pri,
survey_question.iid 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.iid question_option_id,
survey_question_option.option_text,
$select
survey_question_option.sort as option_sort
FROM $table_survey_question survey_question
LEFT JOIN $table_survey_question_option survey_question_option
ON survey_question.iid = survey_question_option.question_id AND
survey_question_option.c_id = $courseId
WHERE
survey_question.survey_id = '".$surveyId."' AND
survey_question.iid NOT IN (
SELECT sa.question_id
FROM ".$table_survey_answer." sa
WHERE
sa.user='".$my_user_id."') AND
survey_question.c_id = $courseId
ORDER BY survey_question.sort, survey_question_option.sort ASC";
} else {
$sql = "SELECT
survey_question.survey_group_sec1,
survey_question.survey_group_sec2,
survey_question.survey_group_pri,
survey_question.iid 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.iid question_option_id,
survey_question_option.option_text,
$select
survey_question_option.sort as option_sort
".($allowRequiredSurveyQuestions ? ', survey_question.is_required' : '')."
FROM $table_survey_question survey_question
LEFT JOIN $table_survey_question_option survey_question_option
ON survey_question.iid = survey_question_option.question_id
WHERE
survey_question NOT LIKE '%{{%' AND
survey_question.survey_id = '".$surveyId."' AND
survey_question.iid IN (".implode(',', $paged_questions[$_GET['show']]).")
ORDER BY survey_question.sort, survey_question_option.sort ASC";
}
$result = Database::query($sql);
$question_counter_max = Database::num_rows($result);
$counter = 0;
$limit = 0;
$questions = [];
while ($row = Database::fetch_assoc($result)) {
// If the type is not a pagebreak we store it in the $questions array
if ('pagebreak' !== $row['type']) {
$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'];
$questions[$sort]['sort'] = $sort;
$questions[$sort]['is_required'] = $allowRequiredSurveyQuestions && $row['is_required'];
$questions[$sort]['parent_id'] = $row['parent_id'] ?? 0;
$questions[$sort]['parent_option_id'] =
isset($row['parent_option_id']) ? $row['parent_option_id'] : 0;
}
$counter++;
if (isset($_GET['show']) && (int) $_GET['show'] >= 0) {
$lastQuestion = (int) $_GET['show'] - 1;
} else {
$lastQuestion = (int) $row['question_option_id'];
}
}
}
} elseif (1 === $survey->getSurveyType()) {
$my_survey_id = (int) $survey_invitation['survey_id'];
$current_user = Database::escape_string($survey_invitation['user_id']);
if (isset($_POST['personality'])) {
// Compute the results to get the 3 groups nearest to the user's personality
if ('' == $shuffle) {
$order = 'BY sort ASC ';
} else {
$order = $shuffle;
}
$answer_list = [];
// Get current user results
$results = [];
$sql = "SELECT
survey_group_pri,
user,
SUM(value) as value
FROM $table_survey_answer as survey_answer
INNER JOIN $table_survey_question as survey_question
ON (survey_question.iid = survey_answer.question_id)
WHERE
survey_answer.survey_id='".$my_survey_id."' AND
survey_answer.user='".$current_user."'
GROUP BY survey_group_pri
ORDER BY survey_group_pri
";
$result = Database::query($sql);
while ($row = Database :: fetch_array($result)) {
$answer_list['value'] = $row['value'];
$answer_list['group'] = $row['survey_group_pri'];
$results[] = $answer_list;
}
// Get the total score for each group of questions
$totals = [];
$sql = "SELECT SUM(temp.value) as value, temp.survey_group_pri FROM
(
SELECT
MAX(value) as value,
survey_group_pri,
survey_question.iid question_id
FROM $table_survey_question as survey_question
INNER JOIN $table_survey_question_option as survey_question_option
ON (survey_question.iid = survey_question_option.question_id)
WHERE
survey_question.survey_id='".$my_survey_id."' AND
survey_question.c_id = $courseId AND
survey_question_option.c_id = $courseId AND
survey_group_sec1='0' AND
survey_group_sec2='0'
GROUP BY survey_group_pri, survey_question.iid
) as temp
GROUP BY temp.survey_group_pri
ORDER BY temp.survey_group_pri";
$result = Database::query($sql);
while ($row = Database::fetch_array($result)) {
$list['value'] = $row['value'];
$list['group'] = $row['survey_group_pri'];
$totals[] = $list;
}
$final_results = [];
// Get a percentage score for each group
for ($i = 0; $i < count($totals); $i++) {
for ($j = 0; $j < count($results); $j++) {
if ($totals[$i]['group'] == $results[$j]['group']) {
$group = $totals[$i]['group'];
$porcen = ($results[$j]['value'] / $totals[$i]['value']);
$final_results[$group] = $porcen;
}
}
}
// Sort the results by score (getting a list of group IDs by score into $groups)
arsort($final_results);
$groups = array_keys($final_results);
$result = [];
$count_result = 0;
foreach ($final_results as $key => &$sub_result) {
$result[] = ['group' => $key, 'value' => $sub_result];
$count_result++;
}
// i.e 70% - 70% -70% 70% $equal_count =3
$i = 0;
$group_cant = 0;
$equal_count = 0;
// This is the case if the user does not select any question
if ($count_result > 0) {
// Count the number of scores equal to the first
while (1) {
if ($result[$i]['value'] == $result[$i + 1]['value']) {
$equal_count++;
} else {
break;
}
$i++;
}
} else {
// We force the exit of the survey undeterminated
$equal_count = 10;
}
// If we have only 3 or less equal scores (i.e. 0,1 or 2 equalities), then we can use the three first groups
if ($equal_count < 4) {
// If there is one or less score equalities
if (0 === $equal_count || 1 === $equal_count) {
// i.e 70% - 70% -60% - 60% $equal_count = 1 we only get the first 2 options
if (($result[0]['value'] == $result[1]['value']) &&
($result[2]['value'] == $result[3]['value'])
) {
$group_cant = 1;
} elseif (($result[0]['value'] != $result[1]['value']) &&
($result[1]['value'] == $result[2]['value']) && ($result[2]['value'] == $result[3]['value'])
) {
// i.e 70% - 70% -0% - 0% - $equal_count = 0 we only get the first 2 options
/* elseif (($result[0]['value'] == $result[1]['value']) && ($result[1]['value'] != $result[2]['value'])) {
$group_cant = 0;
} */
/*
// i.e 70% - 70% -60% - 60% $equal_count = 0 we only get the first 2 options
elseif (($result[0]['value'] == $result[1]['value']) && ($result[2]['value'] == $result[3]['value'])) {
$group_cant = 0;
} */
// i.e. 80% - 70% - 70% - 70%
$group_cant = 0;
} else {
// i.e. 80% - 70% - 70% - 50
// i.e. 80% - 80% - 70% - 50
// By default we choose the highest 3
$group_cant = 2;
}
} else {
// If there are two score equalities
$group_cant = $equal_count;
}
//@todo Translate these comments.
// conditional_status
// 0 no determinado
// 1 determinado
// 2 un solo valor
// 3 valores iguales
if ($group_cant > 0) {
//echo '$equal_count'.$group_cant;
// We only get highest 3
$secondary = '';
$combi = '';
for ($i = 0; $i <= $group_cant; $i++) {
$group1 = $groups[$i];
$group2 = $groups[$i + 1];
// Here we made all the posibilities with the 3 groups
if (2 == $group_cant && $i == $group_cant) {
$group2 = $groups[0];
$secondary .= " OR ( survey_group_sec1 = '$group1' AND survey_group_sec2 = '$group2') ";
$secondary .= " OR ( survey_group_sec1 = '$group2' AND survey_group_sec2 = '$group1' ) ";
$combi .= $group1.' - '.$group2." or ".$group2.' - '.$group1.'<br />';
} else {
if (0 != $i) {
$secondary .= " OR ( survey_group_sec1 = '$group1' AND survey_group_sec2 = '$group2') ";
$secondary .= " OR ( survey_group_sec1 = '$group2' AND survey_group_sec2 = '$group1' ) ";
$combi .= $group1.' - '.$group2." or ".$group2.' - '.$group1.'<br />';
} else {
$secondary .= " ( survey_group_sec1 = '$group1' AND survey_group_sec2 = '$group2') ";
$secondary .= " OR ( survey_group_sec1 = '$group2' AND survey_group_sec2 = '$group1' ) ";
$combi .= $group1.' - '.$group2." or ".$group2.' - '.$group1.'<br />';
}
}
}
// Create the new select with the questions from the secondary phase
if (empty($_SESSION['page_questions_sec']) &&
!is_array($_SESSION['page_questions_sec']) &&
count(0 == $_SESSION['page_questions_sec'])
) {
$sql = "SELECT * FROM $table_survey_question
WHERE
survey_id = '".$my_survey_id."' AND
($secondary )
ORDER BY sort ASC";
$result = Database::query($sql);
$counter = 0;
while ($row = Database::fetch_assoc($result)) {
if (1 == $survey->getOneQuestionPerPage()) {
$paged_questions_sec[$counter][] = $row['question_id'];
$counter++;
} elseif ('pagebreak' === $row['type']) {
$counter++;
$pageBreakText[$counter] = $row['survey_question'];
} else {
// ids from question of the current survey
$paged_questions_sec[$counter][] = $row['question_id'];
}
}
Session::write('page_questions_sec', $paged_questions_sec);
} else {
$paged_questions_sec = Session::read('page_questions_sec');
}
$paged_questions = Session::read('paged_questions'); // For the sake of pages counting
if ('' == $shuffle) {
$shuffle = ' BY survey_question.sort, survey_question_option.sort ASC ';
}
$val = (int) $_POST['personality'];
if (is_array($paged_questions_sec)) {
$sql = "SELECT
survey_question.survey_group_sec1,
survey_question.survey_group_sec2,
survey_question.survey_group_pri,
survey_question.iid 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
FROM $table_survey_question survey_question
LEFT JOIN $table_survey_question_option survey_question_option
ON survey_question.iid = survey_question_option.question_id AND
WHERE
survey_question NOT LIKE '%{{%' AND
survey_question.survey_id = '".$my_survey_id."'
survey_question.iid IN (".implode(',', $paged_questions_sec[$val]).")
ORDER $shuffle ";
$result = Database::query($sql);
$question_counter_max = Database::num_rows($result);
$counter = 0;
$limit = 0;
$questions = [];
while ($row = Database::fetch_assoc($result)) {
// If the type is not a pagebreak we store it in the $questions array
if ('pagebreak' !== $row['type']) {
$questions[$row['sort']]['question_id'] = $row['question_id'];
$questions[$row['sort']]['survey_id'] = $row['survey_id'];
$questions[$row['sort']]['survey_question'] = $row['survey_question'];
$questions[$row['sort']]['display'] = $row['display'];
$questions[$row['sort']]['type'] = $row['type'];
$questions[$row['sort']]['options'][$row['question_option_id']] = $row['option_text'];
$questions[$row['sort']]['maximum_score'] = $row['max_value'];
// Personality params
$questions[$row['sort']]['survey_group_sec1'] = $row['survey_group_sec1'];
$questions[$row['sort']]['survey_group_sec2'] = $row['survey_group_sec2'];
$questions[$row['sort']]['survey_group_pri'] = $row['survey_group_pri'];
$questions[$row['sort']]['sort'] = $row['sort'];
} else {
// If the type is a pagebreak we are finished loading the questions for this page
break;
}
$counter++;
}
} else {
echo get_lang('Survey undefined');
}
} else {
echo get_lang('Survey undefined');
}
} else {
echo get_lang('Survey undefined');
}
} else {
// We need this variable only in the 2nd set of questions when personality is set.
Session::erase('page_questions_sec');
$paged_questions_sec = [];
// Only the questions from the basic group
// the 50 questions A B C D E F G
$order_sql = $shuffle;
if ('' == $shuffle) {
$order_sql = ' BY question_id ';
}
if (empty($_SESSION['paged_questions'])) {
$sql = "SELECT * FROM $table_survey_question
WHERE
survey_id = '".$surveyId."' AND
survey_group_sec1='0' AND
survey_group_sec2='0'
ORDER ".$order_sql." ";
$result = Database::query($sql);
$counter = 0;
while ($row = Database::fetch_assoc($result)) {
if (1 == $survey->getOneQuestionPerPage()) {
$paged_questions[$counter][] = $row['question_id'];
$counter++;
} else {
if ('pagebreak' === $row['type']) {
$counter++;
$pageBreakText[$counter] = $row['survey_question'];
} else {
// ids from question of the current survey
$paged_questions[$counter][] = $row['question_id'];
}
}
}
Session::write('paged_questions', $paged_questions);
} else {
$paged_questions = Session::read('paged_questions');
}
$order_sql = $shuffle;
if ('' == $shuffle) {
$order_sql = ' BY survey_question.sort, survey_question_option.sort ASC ';
}
$val = $_GET['show'];
$result = null;
if ('' != $val) {
$imploded = Database::escape_string(implode(',', $paged_questions[$val]));
if ('' != $imploded) {
// The answers are always in the same order NO shuffle
$order_sql = ' BY survey_question.sort, survey_question_option.sort ASC ';
$sql = "SELECT
survey_question.survey_group_sec1,
survey_question.survey_group_sec2,
survey_question.survey_group_pri,
survey_question.iid question_id,
survey_question.survey_id,
survey_question.survey_question,
survey_question.display,
survey_question.sort,
survey_question.type,
survey_question.max_value,
survey_question_option.question_option_id,
survey_question_option.option_text,
survey_question_option.sort as option_sort
".($allowRequiredSurveyQuestions ? ', survey_question.is_required' : '')."
FROM $table_survey_question survey_question
LEFT JOIN $table_survey_question_option survey_question_option
ON survey_question.iid = survey_question_option.question_id AND
survey_question_option.c_id = $courseId
WHERE
survey_question NOT LIKE '%{{%' AND
survey_question.survey_id = '".intval($survey_invitation['survey_id'])."' AND
survey_question.c_id = $courseId AND
survey_question.iid IN (".$imploded.")
ORDER $order_sql ";
$result = Database::query($sql);
$question_counter_max = Database :: num_rows($result);
}
}
if (!is_null($result)) {
$counter = 0;
$limit = 0;
$questions = [];
while ($row = Database::fetch_assoc($result)) {
// If the type is not a pagebreak we store it in the $questions array
if ('pagebreak' !== $row['type']) {
$questions[$row['sort']]['question_id'] = $row['question_id'];
$questions[$row['sort']]['survey_id'] = $row['survey_id'];
$questions[$row['sort']]['survey_question'] = $row['survey_question'];
$questions[$row['sort']]['display'] = $row['display'];
$questions[$row['sort']]['type'] = $row['type'];
$questions[$row['sort']]['options'][$row['question_option_id']] = $row['option_text'];
$questions[$row['sort']]['maximum_score'] = $row['max_value'];
$questions[$row['sort']]['is_required'] = $allowRequiredSurveyQuestions && $row['is_required'];
// Personality params
$questions[$row['sort']]['survey_group_sec1'] = $row['survey_group_sec1'];
$questions[$row['sort']]['survey_group_sec2'] = $row['survey_group_sec2'];
$questions[$row['sort']]['survey_group_pri'] = $row['survey_group_pri'];
$questions[$row['sort']]['sort'] = $row['sort'];
} else {
// If the type is a page break we are finished loading the questions for this page
//break;
}
$counter++;
}
}
}
} else { // In case it's another type than 0 or 1
echo get_lang('Survey type unknown');
}
}
$numberOfPages = SurveyManager::getCountPages($survey);
// Displaying the form with the questions
$show = 0;
if (isset($_GET['show']) && '' != $_GET['show']) {
$show = (int) $_GET['show'] + 1;
}
$displayFinishButton = true;
if (isset($_GET['show']) && '' != $_GET['show']) {
$pagesIndexes = array_keys($paged_questions);
$pagesIndexes[] = count($pagesIndexes);
if (end($pagesIndexes) <= $show - 1 && empty($_POST)) {
$displayFinishButton = false;
}
}
// Displaying the form with the questions
$personality = 0;
if (isset($_POST['personality'])) {
$personality = (int) $_POST['personality'] + 1;
}
// Displaying the form with the questions
$g_c = isset($_GET['course']) ? Security::remove_XSS($_GET['course']) : '';
$g_ic = isset($_GET['invitationcode']) ? Security::remove_XSS($_GET['invitationcode']) : '';
$g_cr = isset($_GET['cidReq']) ? Security::remove_XSS($_GET['cidReq']) : '';
$p_l = isset($_POST['language']) ? Security::remove_XSS($_POST['language']) : '';
$add_parameters = isset($_GET['user_id']) ? '&user_id='.intval($_GET['user_id']) : '';
$url = api_get_self().'?cid='.$courseId.'&sid='.$sessionId.$add_parameters.
'&course='.$g_c.
'&invitationcode='.$g_ic.
'&show='.$show.
'&iid='.$surveyId
;
if (!empty($_GET['language'])) {
$lang = Security::remove_XSS($_GET['language']);
$url .= '&language='.$lang;
}
$form = new FormValidator(
'question',
'post',
$url,
null,
null,
FormValidator::LAYOUT_INLINE
);
$form->addHidden('language', $p_l);
$showNumber = true;
if (SurveyManager::hasDependency($survey)) {
$showNumber = false;
}
if (isset($questions) && is_array($questions)) {
$originalShow = isset($_GET['show']) ? (int) $_GET['show'] : 0;
$questionCounter = 1;
if (!empty($originalShow)) {
$before = 0;
foreach ($paged_questions as $keyQuestion => $list) {
if ($originalShow > $keyQuestion) {
$before += count($list);
}
}
$questionCounter = $before + 1;
}
$form->addHtml('<div class="start-survey">');
$js = '';
if (isset($pageBreakText[$originalShow]) && !empty(strip_tags($pageBreakText[$originalShow]))) {
// Only show page-break texts if there is something there, apart from
// HTML tags
$form->addHtml(
'<div>'.
Security::remove_XSS($pageBreakText[$originalShow]).
'</div>'
);
$form->addHtml('<br />');
}
foreach ($questions as $key => &$question) {
$ch_type = 'ch_'.$question['type'];
$questionNumber = $questionCounter;
$display = new $ch_type();
$parent = $question['parent_id'];
$parentClass = '';
// @todo move this in a function.
if (!empty($parent)) {
$parentClass = ' with_parent with_parent_'.$question['question_id'];
$parents = survey_question::getParents($question['question_id']);
if (!empty($parents)) {
foreach ($parents as $parentId) {
$parentClass .= ' with_parent_only_hide_'.$parentId;
}
}
}
$js .= survey_question::getQuestionJs($question);
// @todo move this in a function.
$form->addHtml('<div class="survey_question '.$ch_type.' '.$parentClass.'">');
if ($showNumber && $survey->isDisplayQuestionNumber()) {
$form->addHtml('<div style="float:left; font-weight: bold; margin-right: 5px;"> '.$questionNumber.'. </div>');
}
$form->addHtml('<div>'.Security::remove_XSS($question['survey_question']).'</div> ');
$userAnswerData = SurveyUtil::get_answers_of_question_by_user($question['survey_id'], $question['question_id']);
$finalAnswer = null;
if (!empty($userAnswerData[$user_id])) {
$userAnswer = $userAnswerData[$user_id];
switch ($question['type']) {
case 'score':
$finalAnswer = [];
foreach ($userAnswer as $userChoice) {
[$choiceId, $choiceValue] = explode('*', $userChoice);
$finalAnswer[$choiceId] = $choiceValue;
}
break;
case 'percentage':
[$choiceId, $choiceValue] = explode('*', current($userAnswer));
$finalAnswer = $choiceId;
break;
default:
$finalAnswer = $userAnswer;
break;
}
}
$display->render($form, $question, $finalAnswer);
$form->addHtml('</div>');
$questionCounter++;
}
$form->addHtml($js);
}
$form->addHtml('<div class="start-survey">');
if ('0' == $survey->getSurveyType()) {
if (0 == $survey->getShowFormProfile()) {
// The normal survey as always
if ($show < $numberOfPages) {
if (0 == $show) {
$form->addButton(
'next_survey_page',
get_lang('Start the Survey'),
'arrow-right',
'success'
);
} else {
if (
'true' === api_get_setting('survey.survey_backwards_enable')
) {
if ($lastQuestion >= 0) {
$form->addHtml(
"<a class=\" btn btn--warning \" href=\"$url&show=$lastQuestion\">".
"<em class=\"fa fa-arrow-left\"></em> "
.get_lang('Back')." </a>"
);
}
}
$form->addButton(
'next_survey_page',
get_lang('Next'),
'arrow-right',
'success'
);
}
}
if ($show >= $numberOfPages && $displayFinishButton) {
$form->addButton(
'finish_survey',
get_lang('Finish survey'),
'arrow-right',
'success'
);
}
} else {
// The normal survey as always but with the form profile
if (isset($_GET['show'])) {
$numberOfPages = count($paged_questions);
if ($show < $numberOfPages) {
if (0 == $show) {
$form->addButton(
'next_survey_page',
get_lang('Start the Survey'),
'arrow-right',
'success'
);
} else {
$form->addButton(
'next_survey_page',
get_lang('Next'),
'arrow-right',
'success'
);
}
}
if ($show >= $numberOfPages && $displayFinishButton) {
$form->addButton(
'finish_survey',
get_lang('Finish survey'),
'arrow-right',
'success'
);
}
}
}
} elseif (1 === $survey->getSurveyType()) {
// Conditional/personality-test type survey
if (isset($_GET['show']) || isset($_POST['personality'])) {
$numberOfPages = count($paged_questions);
if (!empty($paged_questions_sec) && count($paged_questions_sec) > 0) {
// In case we're in the second phase, also sum the second group questions
$numberOfPages += count($paged_questions_sec);
} else {
// We need this variable only if personality == 1
Session::erase('page_questions_sec');
$paged_questions_sec = [];
}
if (0 === $personality) {
if (($show <= $numberOfPages) || !$_GET['show']) {
$form->addButton('next_survey_page', get_lang('Next'), 'arrow-right', 'success');
if (0 == $survey->getOneQuestionPerPage()) {
if ($personality >= 0) {
$form->addHidden('personality', $personality);
}
} else {
if ($personality > 0) {
$form->addHidden('personality', $personality);
}
}
if ($numberOfPages == $show) {
$form->addHidden('personality', $personality);
}
}
}
if ($show > $numberOfPages && $_GET['show'] && 0 === $personality) {
$form->addHidden('personality', $personality);
} elseif ($personality > 0) {
if (1 == $survey->getOneQuestionPerPage()) {
if ($show >= $numberOfPages) {
$form->addButton('finish_survey', get_lang('Finish survey'), 'arrow-right', 'success');
} else {
$form->addHidden('personality', $personality);
$form->addButton('next_survey_page', get_lang('Next'), 'arrow-right', 'success');
}
} else {
// if the personality test hidden input was set.
$form->addButton('finish_survey', get_lang('Finish survey'), 'arrow-right');
}
}
} elseif ('' == $survey->getFormFields()) {
// This is the case when the show_profile_form is true but there are not form_fields
$form->addButton('next_survey_page', get_lang('Next'), 'arrow-right', 'success');
} elseif (!is_array($user_data)) {
// If the user is not registered in the platform we do not show the form to update his information
$form->addButton('next_survey_page', get_lang('Next'), 'arrow-right', 'success');
}
}
$form->addHtml('</div>');
$form->display();
Display::display_footer();