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chamilo-lms/main/survey/surveyUtil.class.php

3966 lines
156 KiB

<?php
/* For licensing terms, see /license.txt */
use Chamilo\CourseBundle\Entity\CSurvey;
use Chamilo\CourseBundle\Entity\CSurveyAnswer;
use ChamiloSession as Session;
/**
* This class offers a series of general utility functions for survey querying and display.
*/
class SurveyUtil
{
/**
* Checks whether the given survey has a pagebreak question as the first
* or the last question.
* If so, break the current process, displaying an error message.
*
* @param int $survey_id Survey ID (database ID)
* @param bool $continue Optional. Whether to continue the current
* process or exit when breaking condition found. Defaults to true (do not break).
*/
public static function check_first_last_question($survey_id, $continue = true)
{
// Table definitions
$tbl_survey_question = Database::get_course_table(TABLE_SURVEY_QUESTION);
$course_id = api_get_course_int_id();
$survey_id = (int) $survey_id;
// Getting the information of the question
$sql = "SELECT * FROM $tbl_survey_question
WHERE c_id = $course_id AND survey_id='".$survey_id."'
ORDER BY sort ASC";
$result = Database::query($sql);
$total = Database::num_rows($result);
$counter = 1;
$error = false;
while ($row = Database::fetch_array($result, 'ASSOC')) {
if ($counter == 1 && $row['type'] == 'pagebreak') {
echo Display::return_message(get_lang('The page break cannot be the first'), 'error', false);
$error = true;
}
if ($counter == $total && $row['type'] == 'pagebreak') {
echo Display::return_message(get_lang('The page break cannot be the last one'), 'error', false);
$error = true;
}
$counter++;
}
if (!$continue && $error) {
Display::display_footer();
exit;
}
}
/**
* This function removes an (or multiple) answer(s) of a user on a question of a survey.
*
* @param mixed The user id or email of the person who fills the survey
* @param int The survey id
* @param int The question id
* @param int The option id
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
*
* @version January 2007
*/
public static function remove_answer($user, $survey_id, $question_id, $course_id)
{
$course_id = intval($course_id);
// table definition
$table = Database::get_course_table(TABLE_SURVEY_ANSWER);
$sql = "DELETE FROM $table
WHERE
c_id = $course_id AND
user = '".Database::escape_string($user)."' AND
survey_id = '".intval($survey_id)."' AND
question_id = '".intval($question_id)."'";
Database::query($sql);
}
/**
* This function stores an answer of a user on a question of a survey.
*
* @param mixed The user id or email of the person who fills the survey
* @param int Survey id
* @param int Question id
* @param int Option id
* @param string Option value
* @param array $survey_data Survey data settings
*
* @return bool False if insufficient data, true otherwise
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
*
* @version January 2007
*/
public static function store_answer(
$user,
$survey_id,
$question_id,
$option_id,
$option_value,
$survey_data
) {
// If the question_id is empty, don't store an answer
if (empty($question_id)) {
return false;
}
// Table definition
$table_survey_answer = Database::get_course_table(TABLE_SURVEY_ANSWER);
// Make the survey anonymous
if ($survey_data['anonymous'] == 1) {
$surveyUser = Session::read('surveyuser');
if (empty($surveyUser)) {
$user = md5($user.time());
Session::write('surveyuser', $user);
} else {
$user = Session::read('surveyuser');
}
}
$answer = new CSurveyAnswer();
$answer
->setCId($survey_data['c_id'])
->setUser($user)
->setSurveyId($survey_id)
->setQuestionId($question_id)
->setOptionId($option_id)
->setValue($option_value)
;
$em = Database::getManager();
$em->persist($answer);
$em->flush();
$insertId = $answer->getIid();
if ($insertId) {
$sql = "UPDATE $table_survey_answer SET answer_id = $insertId
WHERE iid = $insertId";
Database::query($sql);
}
return true;
}
/**
* This function checks the parameters that are used in this page.
*
* @return string $people_filled The header, an error and the footer if any parameter fails, else it returns true
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
*
* @version February 2007
*/
public static function check_parameters($people_filled)
{
$error = false;
// Getting the survey data
$survey_data = SurveyManager::get_survey($_GET['survey_id']);
// $_GET['survey_id'] has to be numeric
if (!is_numeric($_GET['survey_id'])) {
$error = get_lang('Unknown survey id');
}
// $_GET['action']
$allowed_actions = [
'overview',
'questionreport',
'userreport',
'comparativereport',
'completereport',
'deleteuserreport',
];
if (isset($_GET['action']) && !in_array($_GET['action'], $allowed_actions)) {
$error = get_lang('Action not allowed');
}
// User report
if (isset($_GET['action']) && $_GET['action'] == 'userreport') {
if ($survey_data['anonymous'] == 0) {
foreach ($people_filled as $key => &$value) {
$people_filled_userids[] = $value['invited_user'];
}
} else {
$people_filled_userids = $people_filled;
}
if (isset($_GET['user']) && !in_array($_GET['user'], $people_filled_userids)) {
$error = get_lang('Unknow user');
}
}
// Question report
if (isset($_GET['action']) && $_GET['action'] == 'questionreport') {
if (isset($_GET['question']) && !is_numeric($_GET['question'])) {
$error = get_lang('Unknown question');
}
}
if ($error) {
$tool_name = get_lang('Reporting');
Display::addFlash(
Display::return_message(
get_lang('Error').': '.$error,
'error',
false
)
);
Display::display_header($tool_name);
Display::display_footer();
exit;
} else {
return true;
}
}
/**
* This function deals with the action handling.
*
* @param array $survey_data
* @param array $people_filled
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
*
* @version February 2007
*/
public static function handle_reporting_actions($survey_data, $people_filled)
{
$action = isset($_GET['action']) ? $_GET['action'] : '';
// Getting the number of question
$temp_questions_data = SurveyManager::get_questions($_GET['survey_id']);
// Sorting like they should be displayed and removing the non-answer question types (comment and pagebreak)
$my_temp_questions_data = $temp_questions_data == null ? [] : $temp_questions_data;
$questions_data = [];
foreach ($my_temp_questions_data as $key => &$value) {
if ($value['type'] != 'pagebreak') {
$questions_data[$value['sort']] = $value;
}
}
// Counting the number of questions that are relevant for the reporting
$survey_data['number_of_questions'] = count($questions_data);
switch ($action) {
case 'questionreport':
self::display_question_report($survey_data);
break;
case 'userreport':
self::displayUserReport($survey_data, $people_filled);
break;
case 'comparativereport':
self::display_comparative_report();
break;
case 'completereport':
echo self::displayCompleteReport($survey_data);
break;
case 'deleteuserreport':
self::delete_user_report($_GET['survey_id'], $_GET['user']);
break;
}
}
/**
* This function deletes the report of an user who wants to retake the survey.
*
* @param int $survey_id
* @param int $user_id
*
* @author Christian Fasanando Flores <christian.fasanando@dokeos.com>
*
* @version November 2008
*/
public static function delete_user_report($survey_id, $user_id)
{
$table_survey_answer = Database::get_course_table(TABLE_SURVEY_ANSWER);
$table_survey_invitation = Database::get_course_table(TABLE_SURVEY_INVITATION);
$table_survey = Database::get_course_table(TABLE_SURVEY);
$course_id = api_get_course_int_id();
$survey_id = (int) $survey_id;
$user_id = Database::escape_string($user_id);
if (!empty($survey_id) && !empty($user_id)) {
// delete data from survey_answer by user_id and survey_id
$sql = "DELETE FROM $table_survey_answer
WHERE c_id = $course_id AND survey_id = '".$survey_id."' AND user = '".$user_id."'";
Database::query($sql);
// update field answered from survey_invitation by user_id and survey_id
$sql = "UPDATE $table_survey_invitation SET answered = '0'
WHERE
c_id = $course_id AND
survey_code = (
SELECT code FROM $table_survey
WHERE
c_id = $course_id AND
survey_id = '".$survey_id."'
) AND
user = '".$user_id."'";
$result = Database::query($sql);
}
if ($result !== false) {
$message = get_lang('The user\'s answers to the survey have been succesfully removed.').'<br />
<a href="'.api_get_path(WEB_CODE_PATH).'survey/reporting.php?action=userreport&survey_id='
.$survey_id.'">'.
get_lang('Go back').'</a>';
echo Display::return_message($message, 'confirmation', false);
}
}
/**
* @param array $survey_data
* @param array $people_filled
*
* @return string
*/
public static function displayUserReportForm($survey_data, $people_filled)
{
$surveyId = $survey_data['survey_id'];
if (empty($survey_data)) {
return '';
}
// Step 1: selection of the user
echo "<script>
function jumpMenu(targ,selObj,restore) {
eval(targ+\".location='\"+selObj.options[selObj.selectedIndex].value+\"'\");
if (restore) selObj.selectedIndex=0;
}
</script>";
echo get_lang('Select user who filled the survey').'<br />';
echo '<select name="user" onchange="jumpMenu(\'parent\',this,0)">';
echo '<option value="'.api_get_path(WEB_CODE_PATH).'survey/reporting.php?action='
.Security::remove_XSS($_GET['action']).'&survey_id='.$surveyId.'&'.api_get_cidreq().'">'
.get_lang('User').'</option>';
foreach ($people_filled as $key => &$person) {
if ($survey_data['anonymous'] == 0) {
$name = $person['user_info']['complete_name_with_username'];
$id = $person['user_id'];
if ($id == '') {
$id = $person['invited_user'];
$name = $person['invited_user'];
}
} else {
$name = get_lang('Anonymous').' '.($key + 1);
$id = $person;
}
echo '<option value="'.api_get_path(WEB_CODE_PATH).'survey/reporting.php?action='
.Security::remove_XSS($_GET['action']).'&survey_id='.$surveyId.'&user='
.Security::remove_XSS($id).'&'.api_get_cidreq().'" ';
if (isset($_GET['user']) && $_GET['user'] == $id) {
echo 'selected="selected"';
}
echo '>'.$name.'</option>';
}
echo '</select>';
}
/**
* @param int $userId
* @param array $survey_data
* @param bool $addMessage
*/
public static function displayUserReportAnswers($userId, $survey_data, $addMessage = true)
{
// Database table definitions
$table_survey_question = Database::get_course_table(TABLE_SURVEY_QUESTION);
$table_survey_question_option = Database::get_course_table(TABLE_SURVEY_QUESTION_OPTION);
$table_survey_answer = Database::get_course_table(TABLE_SURVEY_ANSWER);
$course_id = (int) $survey_data['c_id'];
$surveyId = (int) $survey_data['survey_id'];
$userId = Database::escape_string($userId);
$content = '';
// Step 2: displaying the survey and the answer of the selected users
if (!empty($userId)) {
if ($addMessage) {
$content .= Display::return_message(
get_lang('This screen displays an exact copy of the form as it was filled by the user'),
'normal',
false
);
}
// Getting all the questions and options
$sql = "SELECT
survey_question.question_id,
survey_question.survey_id,
survey_question.survey_question,
survey_question.display,
survey_question.max_value,
survey_question.sort,
survey_question.type,
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.question_id = survey_question_option.question_id AND
survey_question_option.c_id = $course_id
WHERE
survey_question NOT LIKE '%{{%' AND
survey_question.survey_id = '".$surveyId."' AND
survey_question.c_id = $course_id
ORDER BY survey_question.sort, survey_question_option.sort ASC";
$result = Database::query($sql);
while ($row = Database::fetch_array($result, 'ASSOC')) {
if ($row['type'] != 'pagebreak') {
$questions[$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']]['maximum_score'] = $row['max_value'];
$questions[$row['sort']]['options'][$row['question_option_id']] = $row['option_text'];
}
}
// Getting all the answers of the user
$sql = "SELECT * FROM $table_survey_answer
WHERE
c_id = $course_id AND
survey_id = '".$surveyId."' AND
user = '".$userId."'";
$result = Database::query($sql);
while ($row = Database::fetch_array($result, 'ASSOC')) {
$answers[$row['question_id']][] = $row['option_id'];
$all_answers[$row['question_id']][] = $row;
}
// Displaying all the questions
foreach ($questions as &$question) {
// If the question type is a scoring then we have to format the answers differently
switch ($question['type']) {
case 'score':
$finalAnswer = [];
if (is_array($question) && is_array($all_answers)) {
foreach ($all_answers[$question['question_id']] as $key => &$answer_array) {
$finalAnswer[$answer_array['option_id']] = $answer_array['value'];
}
}
break;
case 'multipleresponse':
$finalAnswer = isset($answers[$question['question_id']])
? $answers[$question['question_id']]
: '';
break;
default:
$finalAnswer = '';
if (isset($all_answers[$question['question_id']])) {
$finalAnswer = $all_answers[$question['question_id']][0]['option_id'];
}
break;
}
$display = survey_question::createQuestion($question['type']);
$url = api_get_self();
$form = new FormValidator('question', 'post', $url);
$form->addHtml('<div class="survey_question_wrapper"><div class="survey_question">');
$form->addHtml($question['survey_question']);
$display->render($form, $question, $finalAnswer);
$form->addHtml('</div></div>');
$content .= $form->returnForm();
}
}
return $content;
}
/**
* This function displays the user report which is basically nothing more
* than a one-page display of all the questions
* of the survey that is filled with the answers of the person who filled the survey.
*
* @return string html code of the one-page survey with the answers of the selected user
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
*
* @version February 2007 - Updated March 2008
*/
public static function displayUserReport($survey_data, $people_filled, $addActionBar = true)
{
if (empty($survey_data)) {
return '';
}
$surveyId = $survey_data['survey_id'];
$reportingUrl = api_get_path(WEB_CODE_PATH).'survey/reporting.php?survey_id='.$surveyId.'&'.api_get_cidreq();
// Actions bar
if ($addActionBar) {
echo '<div class="actions">';
echo '<a href="'.$reportingUrl.'">'.
Display::return_icon(
'back.png',
get_lang('Back to').' '.get_lang('Reporting overview'),
'',
ICON_SIZE_MEDIUM
)
.'</a>';
if (isset($_GET['user'])) {
if (api_is_allowed_to_edit()) {
// The delete link
echo '<a href="'.$reportingUrl.'&action=deleteuserreport&user='.Security::remove_XSS($_GET['user']).'" >'.
Display::return_icon('delete.png', get_lang('Delete'), '', ICON_SIZE_MEDIUM).'</a>';
}
// Export the user report
echo '<a href="javascript: void(0);" onclick="document.form1a.submit();">'
.Display::return_icon('export_csv.png', get_lang('CSV export'), '', ICON_SIZE_MEDIUM).'</a> ';
echo '<a href="javascript: void(0);" onclick="document.form1b.submit();">'
.Display::return_icon('export_excel.png', get_lang('Excel export'), '', ICON_SIZE_MEDIUM).'</a> ';
echo '<form id="form1a" name="form1a" method="post" action="'.api_get_self().'?action='
.Security::remove_XSS($_GET['action']).'&survey_id='.$surveyId.'&'.api_get_cidreq().'&user_id='
.Security::remove_XSS($_GET['user']).'">';
echo '<input type="hidden" name="export_report" value="export_report">';
echo '<input type="hidden" name="export_format" value="csv">';
echo '</form>';
echo '<form id="form1b" name="form1b" method="post" action="'.api_get_self().'?action='
.Security::remove_XSS($_GET['action']).'&survey_id='.$surveyId.'&'.api_get_cidreq().'&user_id='
.Security::remove_XSS($_GET['user']).'">';
echo '<input type="hidden" name="export_report" value="export_report">';
echo '<input type="hidden" name="export_format" value="xls">';
echo '</form>';
echo '<form id="form2" name="form2" method="post" action="'.api_get_self().'?action='
.Security::remove_XSS($_GET['action']).'&survey_id='.$surveyId.'&'.api_get_cidreq().'">';
}
echo '</div>';
}
echo self::displayUserReportForm($survey_data, $people_filled);
if (isset($_GET['user'])) {
echo self::displayUserReportAnswers($_GET['user'], $survey_data);
}
}
/**
* This function displays the report by question.
*
* It displays a table with all the options of the question and the number of users who have answered positively on
* the option. The number of users who answered positive on a given option is expressed in an absolute number, in a
* percentage of the total and graphically using bars By clicking on the absolute number you get a list with the
* persons who have answered this. You can then click on the name of the person and you will then go to the report
* by user where you see all the answers of that user.
*
* @param array All the survey data
*
* @return string html code that displays the report by question
*
* @todo allow switching between horizontal and vertical.
* @todo multiple response: percentage are probably not OK
* @todo the question and option text have to be shortened and should expand when the user clicks on it.
* @todo the pagebreak and comment question types should not be shown => removed from $survey_data before
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
*
* @version February 2007 - Updated March 2008
*/
public static function display_question_report($survey_data)
{
$singlePage = isset($_GET['single_page']) ? (int) $_GET['single_page'] : 0;
// Determining the offset of the sql statement (the n-th question of the survey)
$offset = !isset($_GET['question']) ? 0 : (int) $_GET['question'];
$currentQuestion = isset($_GET['question']) ? (int) $_GET['question'] : 0;
$surveyId = (int) $_GET['survey_id'];
$action = Security::remove_XSS($_GET['action']);
$course_id = api_get_course_int_id();
// Database table definitions
$table_survey_question = Database::get_course_table(TABLE_SURVEY_QUESTION);
$table_survey_question_option = Database::get_course_table(TABLE_SURVEY_QUESTION_OPTION);
$table_survey_answer = Database::get_course_table(TABLE_SURVEY_ANSWER);
$questions = [];
echo '<div class="actions">';
echo '<a href="'.api_get_path(WEB_CODE_PATH).'survey/reporting.php?survey_id='.$surveyId.'&'.api_get_cidreq().'">'.
Display::return_icon(
'back.png',
get_lang('Back to').' '.get_lang('Reporting overview'),
'',
ICON_SIZE_MEDIUM
).'</a>';
echo '</div>';
if ($survey_data['number_of_questions'] > 0) {
$limitStatement = null;
if (!$singlePage) {
echo '<div id="question_report_questionnumbers" class="pagination">';
if ($currentQuestion != 0) {
echo '<li><a href="'.api_get_path(WEB_CODE_PATH).'survey/reporting.php?action='.$action.'&'
.api_get_cidreq().'&survey_id='.$surveyId.'&question='.($offset - 1).'">'
.get_lang('Previous question').'</a></li>';
}
for ($i = 1; $i <= $survey_data['number_of_questions']; $i++) {
if ($offset != $i - 1) {
echo '<li><a href="'.api_get_path(WEB_CODE_PATH).'survey/reporting.php?action='.$action.'&'
.api_get_cidreq().'&survey_id='.$surveyId.'&question='.($i - 1).'">'.$i.'</a></li>';
} else {
echo '<li class="disabled"s><a href="#">'.$i.'</a></li>';
}
}
if ($currentQuestion < ($survey_data['number_of_questions'] - 1)) {
echo '<li><a href="'.api_get_path(WEB_CODE_PATH).'survey/reporting.php?action='.$action.'&'
.api_get_cidreq().'&survey_id='.$surveyId.'&question='.($offset + 1).'">'
.get_lang('Next question').'</li></a>';
}
echo '</ul>';
echo '</div>';
$limitStatement = " LIMIT $offset, 1";
}
// Getting the question information
$sql = "SELECT * FROM $table_survey_question
WHERE
c_id = $course_id AND
survey_id='".$surveyId."' AND
survey_question NOT LIKE '%{{%' AND
type <>'pagebreak'
ORDER BY sort ASC
$limitStatement";
$result = Database::query($sql);
while ($row = Database::fetch_array($result)) {
$questions[$row['question_id']] = $row;
}
}
foreach ($questions as $question) {
$chartData = [];
$options = [];
$questionId = (int) $question['question_id'];
echo '<div class="title-question">';
echo strip_tags(isset($question['survey_question']) ? $question['survey_question'] : null);
echo '</div>';
if ($question['type'] == 'score') {
/** @todo This function should return the options as this is needed further in the code */
$options = self::display_question_report_score($survey_data, $question, $offset);
} elseif ($question['type'] == 'open' || $question['type'] == 'comment') {
/** @todo Also get the user who has answered this */
$sql = "SELECT * FROM $table_survey_answer
WHERE
c_id = $course_id AND
survey_id='".$surveyId."' AND
question_id = '".$questionId."'";
$result = Database::query($sql);
while ($row = Database::fetch_array($result, 'ASSOC')) {
echo $row['option_id'].'<hr noshade="noshade" size="1" />';
}
} else {
// Getting the options ORDER BY sort ASC
$sql = "SELECT * FROM $table_survey_question_option
WHERE
c_id = $course_id AND
survey_id='".$surveyId."'
AND question_id = '".$questionId."'
ORDER BY sort ASC";
$result = Database::query($sql);
while ($row = Database::fetch_array($result, 'ASSOC')) {
$options[$row['question_option_id']] = $row;
}
// Getting the answers
$sql = "SELECT *, count(answer_id) as total FROM $table_survey_answer
WHERE
c_id = $course_id AND
survey_id='".$surveyId."'
AND question_id = '".$questionId."'
GROUP BY option_id, value";
$result = Database::query($sql);
$number_of_answers = [];
$data = [];
while ($row = Database::fetch_array($result, 'ASSOC')) {
if (!isset($number_of_answers[$row['question_id']])) {
$number_of_answers[$row['question_id']] = 0;
}
$number_of_answers[$row['question_id']] += $row['total'];
$data[$row['option_id']] = $row;
}
foreach ($options as $option) {
$optionText = strip_tags($option['option_text']);
$optionText = html_entity_decode($optionText);
$votes = isset($data[$option['question_option_id']]['total']) ?
$data[$option['question_option_id']]['total'] : '0';
array_push($chartData, ['option' => $optionText, 'votes' => $votes]);
}
$chartContainerId = 'chartContainer'.$question['question_id'];
echo '<div id="'.$chartContainerId.'" class="col-md-12">';
echo self::drawChart($chartData, false, $chartContainerId);
// displaying the table: headers
echo '<table class="display-survey table">';
echo ' <tr>';
echo ' <th>&nbsp;</th>';
echo ' <th>'.get_lang('Absolute total').'</th>';
echo ' <th>'.get_lang('Percentage').'</th>';
echo ' <th>'.get_lang('Graphic').'</th>';
echo ' <tr>';
// Displaying the table: the content
if (is_array($options)) {
foreach ($options as $key => &$value) {
$absolute_number = null;
if (isset($data[$value['question_option_id']])) {
$absolute_number = $data[$value['question_option_id']]['total'];
}
if ($question['type'] == 'percentage' && empty($absolute_number)) {
continue;
}
$number_of_answers[$option['question_id']] = isset($number_of_answers[$option['question_id']])
? $number_of_answers[$option['question_id']]
: 0;
if ($number_of_answers[$option['question_id']] == 0) {
$answers_number = 0;
} else {
$answers_number = $absolute_number / $number_of_answers[$option['question_id']] * 100;
}
echo ' <tr>';
echo ' <td class="center">'.$value['option_text'].'</td>';
echo ' <td class="center">';
if ($absolute_number != 0) {
echo '<a href="'.api_get_path(WEB_CODE_PATH).'survey/reporting.php?action='.$action
.'&survey_id='.$surveyId.'&question='.$offset.'&viewoption='
.$value['question_option_id'].'">'.$absolute_number.'</a>';
} else {
echo '0';
}
echo ' </td>';
echo ' <td class="center">'.round($answers_number, 2).' %</td>';
echo ' <td class="center">';
$size = $answers_number * 2;
if ($size > 0) {
echo '<div style="border:1px solid #264269; background-color:#aecaf4; height:10px; width:'
.$size.'px">&nbsp;</div>';
} else {
echo '<div style="text-align: left;">'.get_lang("No data available").'</div>';
}
echo ' </td>';
echo ' </tr>';
}
}
$optionResult = '';
if (isset($option['question_id']) && isset($number_of_answers[$option['question_id']])) {
if ($number_of_answers[$option['question_id']] == 0) {
$optionResult = '0';
} else {
$optionResult = $number_of_answers[$option['question_id']];
}
}
// displaying the table: footer (totals)
echo ' <tr>';
echo ' <td class="total"><b>'.get_lang('Total').'</b></td>';
echo ' <td class="total"><b>'.$optionResult.'</b></td>';
echo ' <td class="total">&nbsp;</td>';
echo ' <td class="total">&nbsp;</td>';
echo ' </tr>';
echo '</table>';
echo '</div>';
}
}
if (isset($_GET['viewoption'])) {
echo '<div class="answered-people">';
echo '<h4>'.get_lang('People who have chosen this answer').': '
.strip_tags($options[Security::remove_XSS($_GET['viewoption'])]['option_text']).'</h4>';
if (is_numeric($_GET['value'])) {
$sql_restriction = "AND value='".Database::escape_string($_GET['value'])."'";
}
$sql = "SELECT user FROM $table_survey_answer
WHERE
c_id = $course_id AND
option_id = '".Database::escape_string($_GET['viewoption'])."'
$sql_restriction";
$result = Database::query($sql);
echo '<ul>';
while ($row = Database::fetch_array($result, 'ASSOC')) {
$user_info = api_get_user_info($row['user']);
echo '<li><a href="'.api_get_path(WEB_CODE_PATH).'survey/reporting.php?action=userreport&survey_id='
.$surveyId.'&user='.$row['user'].'">'
.$user_info['complete_name_with_username']
.'</a></li>';
}
echo '</ul>';
echo '</div>';
}
}
/**
* Display score data about a survey question.
*
* @param array Question info
* @param int The offset of results shown
*/
public static function display_question_report_score($survey_data, $question, $offset)
{
// Database table definitions
$action = isset($_GET['action']) ? Security::remove_XSS($_GET['action']) : '';
$table_survey_question_option = Database::get_course_table(TABLE_SURVEY_QUESTION_OPTION);
$table_survey_answer = Database::get_course_table(TABLE_SURVEY_ANSWER);
$course_id = api_get_course_int_id();
// Getting the options
$sql = "SELECT * FROM $table_survey_question_option
WHERE
c_id = $course_id AND
survey_id='".intval($_GET['survey_id'])."' AND
question_id = '".intval($question['question_id'])."'
ORDER BY sort ASC";
$result = Database::query($sql);
while ($row = Database::fetch_array($result)) {
$options[$row['question_option_id']] = $row;
}
// Getting the answers
$sql = "SELECT *, count(answer_id) as total
FROM $table_survey_answer
WHERE
c_id = $course_id AND
survey_id='".intval($_GET['survey_id'])."' AND
question_id = '".Database::escape_string($question['question_id'])."'
GROUP BY option_id, value";
$result = Database::query($sql);
$number_of_answers = 0;
while ($row = Database::fetch_array($result)) {
$number_of_answers += $row['total'];
$data[$row['option_id']][$row['value']] = $row;
}
$chartData = [];
foreach ($options as $option) {
$optionText = strip_tags($option['option_text']);
$optionText = html_entity_decode($optionText);
for ($i = 1; $i <= $question['max_value']; $i++) {
$votes = $data[$option['question_option_id']][$i]['total'];
if (empty($votes)) {
$votes = '0';
}
array_push(
$chartData,
[
'serie' => $optionText,
'option' => $i,
'votes' => $votes,
]
);
}
}
echo '<div id="chartContainer" class="col-md-12">';
echo self::drawChart($chartData, true);
echo '</div>';
// Displaying the table: headers
echo '<table class="data_table">';
echo ' <tr>';
echo ' <th>&nbsp;</th>';
echo ' <th>'.get_lang('Score').'</th>';
echo ' <th>'.get_lang('Absolute total').'</th>';
echo ' <th>'.get_lang('Percentage').'</th>';
echo ' <th>'.get_lang('Graphic').'</th>';
echo ' <tr>';
// Displaying the table: the content
foreach ($options as $key => &$value) {
for ($i = 1; $i <= $question['max_value']; $i++) {
$absolute_number = $data[$value['question_option_id']][$i]['total'];
echo ' <tr>';
echo ' <td>'.$value['option_text'].'</td>';
echo ' <td>'.$i.'</td>';
echo ' <td><a href="'.api_get_path(WEB_CODE_PATH).'survey/reporting.php?action='.$action
.'&survey_id='.intval($_GET['survey_id']).'&question='.Security::remove_XSS($offset)
.'&viewoption='.$value['question_option_id'].'&value='.$i.'">'.$absolute_number.'</a></td>';
echo ' <td>'.round($absolute_number / $number_of_answers * 100, 2).' %</td>';
echo ' <td>';
$size = ($absolute_number / $number_of_answers * 100 * 2);
if ($size > 0) {
echo '<div style="border:1px solid #264269; background-color:#aecaf4; height:10px; width:'.$size.'px">&nbsp;</div>';
}
echo ' </td>';
echo ' </tr>';
}
}
// Displaying the table: footer (totals)
echo ' <tr>';
echo ' <td style="border-top:1px solid black"><b>'.get_lang('Total').'</b></td>';
echo ' <td style="border-top:1px solid black">&nbsp;</td>';
echo ' <td style="border-top:1px solid black"><b>'.$number_of_answers.'</b></td>';
echo ' <td style="border-top:1px solid black">&nbsp;</td>';
echo ' <td style="border-top:1px solid black">&nbsp;</td>';
echo ' </tr>';
echo '</table>';
}
/**
* This functions displays the complete reporting.
*
* @param array $survey_data
* @param int $userId
* @param bool $addActionBar
* @param bool $addFilters
* @param bool $addExtraFields
*
* @return string
*/
public static function displayCompleteReport(
$survey_data,
$userId = 0,
$addActionBar = true,
$addFilters = true,
$addExtraFields = true
) {
// Database table definitions
$table_survey_question = Database::get_course_table(TABLE_SURVEY_QUESTION);
$table_survey_question_option = Database::get_course_table(TABLE_SURVEY_QUESTION_OPTION);
$table_survey_answer = Database::get_course_table(TABLE_SURVEY_ANSWER);
$surveyId = (int) $survey_data['survey_id'];
$course_id = (int) $survey_data['c_id'];
if (empty($surveyId) || empty($course_id)) {
return '';
}
$action = isset($_GET['action']) ? Security::remove_XSS($_GET['action']) : '';
$content = '';
if ($addActionBar) {
$content .= '<div class="actions">';
$content .= '<a
href="'.api_get_path(WEB_CODE_PATH).'survey/reporting.php?survey_id='.$surveyId.'&'.api_get_cidreq().'">'
.Display::return_icon(
'back.png',
get_lang('Back to').' '.get_lang('Reporting overview'),
[],
ICON_SIZE_MEDIUM
)
.'</a>';
$content .= '<a class="survey_export_link" href="javascript: void(0);" onclick="document.form1a.submit();">'
.Display::return_icon('export_csv.png', get_lang('CSV export'), '', ICON_SIZE_MEDIUM).'</a>';
$content .= '<a class="survey_export_link" href="javascript: void(0);" onclick="document.form1b.submit();">'
.Display::return_icon('export_excel.png', get_lang('Excel export'), '', ICON_SIZE_MEDIUM).'</a>';
$content .= '</div>';
// The form
$content .= '<form id="form1a" name="form1a" method="post" action="'.api_get_self(
).'?action='.$action.'&survey_id='
.$surveyId.'&'.api_get_cidreq().'">';
$content .= '<input type="hidden" name="export_report" value="export_report">';
$content .= '<input type="hidden" name="export_format" value="csv">';
$content .= '</form>';
$content .= '<form id="form1b" name="form1b" method="post" action="'.api_get_self(
).'?action='.$action.'&survey_id='
.$surveyId.'&'.api_get_cidreq().'">';
$content .= '<input type="hidden" name="export_report" value="export_report">';
$content .= '<input type="hidden" name="export_format" value="xls">';
$content .= '</form>';
}
$content .= '<form id="form2" name="form2" method="post" action="'.api_get_self().'?action='.$action.'&survey_id='
.$surveyId.'&'.api_get_cidreq().'">';
// The table
$content .= '<br /><table class="data_table" border="1">';
// Getting the number of options per question
$content .= ' <tr>';
$content .= ' <th>';
if ($addFilters) {
if ((isset($_POST['submit_question_filter']) && $_POST['submit_question_filter']) ||
(isset($_POST['export_report']) && $_POST['export_report'])
) {
$content .= '<button class="cancel"
type="submit"
name="reset_question_filter" value="'.get_lang('Reset filter').'">'.
get_lang('Reset filter').'</button>';
}
$content .= '<button
class = "save"
type="submit" name="submit_question_filter" value="'.get_lang('Filter').'">'.
get_lang('Filter').'</button>';
$content .= '</th>';
}
$display_extra_user_fields = false;
if ($addExtraFields) {
if (!(isset($_POST['submit_question_filter']) && $_POST['submit_question_filter'] ||
isset($_POST['export_report']) && $_POST['export_report']) ||
!empty($_POST['fields_filter'])
) {
// Show user fields section with a big th colspan that spans over all fields
$extra_user_fields = UserManager::get_extra_fields(
0,
0,
5,
'ASC',
false,
true
);
$num = count($extra_user_fields);
if ($num > 0) {
$content .= '<th '.($num > 0 ? ' colspan="'.$num.'"' : '').'>';
$content .= '<label>';
if ($addFilters) {
$content .= '<input type="checkbox" name="fields_filter" value="1" checked="checked"/> ';
}
$content .= get_lang('Profile attributes');
$content .= '</label>';
$content .= '</th>';
$display_extra_user_fields = true;
}
}
}
$sql = "SELECT
q.question_id,
q.type,
q.survey_question,
count(o.question_option_id) as number_of_options
FROM $table_survey_question q
LEFT JOIN $table_survey_question_option o
ON q.question_id = o.question_id AND q.c_id = o.c_id
WHERE
survey_question NOT LIKE '%{{%' AND
q.survey_id = '".$surveyId."' AND
q.c_id = $course_id
GROUP BY q.question_id
ORDER BY q.sort ASC";
$result = Database::query($sql);
$questions = [];
while ($row = Database::fetch_array($result)) {
// We show the questions if
// 1. there is no question filter and the export button has not been clicked
// 2. there is a quesiton filter but the question is selected for display
if (!(isset($_POST['submit_question_filter']) && $_POST['submit_question_filter']) ||
(is_array($_POST['questions_filter']) &&
in_array($row['question_id'], $_POST['questions_filter']))
) {
// We do not show comment and pagebreak question types
if ($row['type'] != 'pagebreak') {
$content .= ' <th';
if ($row['number_of_options'] > 0 && $row['type'] != 'percentage') {
$content .= ' colspan="'.$row['number_of_options'].'"';
}
$content .= '>';
$content .= '<label>';
if ($addFilters) {
$content .= '<input
type="checkbox"
name="questions_filter[]" value="'.$row['question_id'].'" checked="checked"/>';
}
$content .= $row['survey_question'];
$content .= '</label>';
$content .= '</th>';
}
// No column at all if it's not a question
}
$questions[$row['question_id']] = $row;
}
$content .= ' </tr>';
// Getting all the questions and options
$content .= ' <tr>';
$content .= ' <th>&nbsp;</th>'; // the user column
if (!(isset($_POST['submit_question_filter']) && $_POST['submit_question_filter'] ||
isset($_POST['export_report']) && $_POST['export_report']) || !empty($_POST['fields_filter'])
) {
if ($addExtraFields) {
// show the fields names for user fields
foreach ($extra_user_fields as &$field) {
$content .= '<th>'.$field[3].'</th>';
}
}
}
// cells with option (none for open question)
$sql = "SELECT
sq.question_id,
sq.survey_id,
sq.survey_question,
sq.display,
sq.sort,
sq.type,
sqo.question_option_id,
sqo.option_text,
sqo.sort as option_sort
FROM $table_survey_question sq
LEFT JOIN $table_survey_question_option sqo
ON sq.question_id = sqo.question_id AND sq.c_id = sqo.c_id
WHERE
survey_question NOT LIKE '%{{%' AND
sq.survey_id = '".$surveyId."' AND
sq.c_id = $course_id
ORDER BY sq.sort ASC, sqo.sort ASC";
$result = Database::query($sql);
$display_percentage_header = 1;
$possible_answers = [];
// in order to display only once the cell option (and not 100 times)
while ($row = Database::fetch_array($result)) {
// We show the options if
// 1. there is no question filter and the export button has not been clicked
// 2. there is a question filter but the question is selected for display
if (!(isset($_POST['submit_question_filter']) && $_POST['submit_question_filter']) ||
(is_array($_POST['questions_filter']) && in_array($row['question_id'], $_POST['questions_filter']))
) {
// we do not show comment and pagebreak question types
if ($row['type'] == 'open' || $row['type'] == 'comment') {
$content .= '<th>&nbsp;-&nbsp;</th>';
$possible_answers[$row['question_id']][$row['question_option_id']] = $row['question_option_id'];
$display_percentage_header = 1;
} elseif ($row['type'] == 'percentage' && $display_percentage_header) {
$content .= '<th>&nbsp;%&nbsp;</th>';
$possible_answers[$row['question_id']][$row['question_option_id']] = $row['question_option_id'];
$display_percentage_header = 0;
} elseif ($row['type'] == 'percentage') {
$possible_answers[$row['question_id']][$row['question_option_id']] = $row['question_option_id'];
} elseif ($row['type'] != 'pagebreak' && $row['type'] != 'percentage') {
$content .= '<th>';
$content .= $row['option_text'];
$content .= '</th>';
$possible_answers[$row['question_id']][$row['question_option_id']] = $row['question_option_id'];
$display_percentage_header = 1;
}
}
}
$content .= ' </tr>';
$userCondition = '';
if (!empty($userId)) {
$userId = (int) $userId;
$userCondition = " AND user = $userId ";
}
// Getting all the answers of the users
$old_user = '';
$answers_of_user = [];
$sql = "SELECT * FROM $table_survey_answer
WHERE
c_id = $course_id AND
survey_id = $surveyId
$userCondition
ORDER BY answer_id, user ASC";
$result = Database::query($sql);
$i = 1;
while ($row = Database::fetch_array($result)) {
if ($old_user != $row['user'] && $old_user != '') {
$userParam = $old_user;
if ($survey_data['anonymous'] != 0) {
$userParam = $i;
$i++;
}
$content .= self::display_complete_report_row(
$survey_data,
$possible_answers,
$answers_of_user,
$userParam,
$questions,
$display_extra_user_fields
);
$answers_of_user = [];
}
if (isset($questions[$row['question_id']]) &&
$questions[$row['question_id']]['type'] != 'open' &&
$questions[$row['question_id']]['type'] != 'comment'
) {
$answers_of_user[$row['question_id']][$row['option_id']] = $row;
} else {
$answers_of_user[$row['question_id']][0] = $row;
}
$old_user = $row['user'];
}
$userParam = $old_user;
if ($survey_data['anonymous'] != 0) {
$userParam = $i;
$i++;
}
$content .= self::display_complete_report_row(
$survey_data,
$possible_answers,
$answers_of_user,
$userParam,
$questions,
$display_extra_user_fields
);
// This is to display the last user
$content .= '</table>';
$content .= '</form>';
return $content;
}
/**
* Return user answers in a row.
*
* @param $survey_data
* @param $possible_options
* @param $answers_of_user
* @param $user
* @param $questions
* @param bool $display_extra_user_fields
*
* @return string
*/
public static function display_complete_report_row(
$survey_data,
$possible_options,
$answers_of_user,
$user,
$questions,
$display_extra_user_fields = false
) {
$user = Security::remove_XSS($user);
$surveyId = (int) $survey_data['survey_id'];
if (empty($surveyId)) {
return '';
}
$content = '<tr>';
$url = api_get_path(WEB_CODE_PATH).'survey/reporting.php?survey_id='.$surveyId.'&'.api_get_cidreq();
if ($survey_data['anonymous'] == 0) {
if (intval($user) !== 0) {
$userInfo = api_get_user_info($user);
$user_displayed = '-';
if (!empty($userInfo)) {
$user_displayed = $userInfo['complete_name_with_username'];
}
$content .= '<th>
<a href="'.$url.'&action=userreport&user='.$user.'">'
.$user_displayed.'</a>
</th>'; // the user column
} else {
$content .= '<th>'.$user.'</th>'; // the user column
}
} else {
$content .= '<th>'.get_lang('Anonymous').' '.$user.'</th>';
}
if ($display_extra_user_fields) {
// Show user fields data, if any, for this user
$user_fields_values = UserManager::get_extra_user_data(
$user,
false,
false,
false,
true
);
foreach ($user_fields_values as &$value) {
$content .= '<td align="center">'.$value.'</td>';
}
}
if (is_array($possible_options)) {
foreach ($possible_options as $question_id => &$possible_option) {
if ($questions[$question_id]['type'] == 'open' || $questions[$question_id]['type'] == 'comment') {
$content .= '<td align="center">';
if (isset($answers_of_user[$question_id]) && isset($answers_of_user[$question_id]['0'])) {
$content .= $answers_of_user[$question_id]['0']['option_id'];
}
$content .= '</td>';
} else {
foreach ($possible_option as $option_id => &$value) {
if ($questions[$question_id]['type'] == 'percentage') {
if (!empty($answers_of_user[$question_id][$option_id])) {
$content .= "<td align='center'>";
$content .= $answers_of_user[$question_id][$option_id]['value'];
$content .= "</td>";
}
} else {
$content .= '<td align="center">';
if (!empty($answers_of_user[$question_id][$option_id])) {
if ($answers_of_user[$question_id][$option_id]['value'] != 0) {
$content .= $answers_of_user[$question_id][$option_id]['value'];
} else {
$content .= 'v';
}
}
}
}
}
}
}
$content .= '</tr>';
return $content;
}
/**
* Quite similar to display_complete_report(), returns an HTML string
* that can be used in a csv file.
*
* @todo consider merging this function with display_complete_report
*
* @return string The contents of a csv file
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
*
* @version February 2007
*/
public static function export_complete_report($survey_data, $user_id = 0)
{
$surveyId = isset($_GET['survey_id']) ? (int) $_GET['survey_id'] : 0;
if (empty($surveyId)) {
return false;
}
$course_id = api_get_course_int_id();
$table_survey_question = Database::get_course_table(TABLE_SURVEY_QUESTION);
$table_survey_question_option = Database::get_course_table(TABLE_SURVEY_QUESTION_OPTION);
$table_survey_answer = Database::get_course_table(TABLE_SURVEY_ANSWER);
// The first column
$return = ';';
// Show extra fields blank space (enough for extra fields on next line)
$extra_user_fields = UserManager::get_extra_fields(
0,
0,
5,
'ASC',
false,
true
);
$num = count($extra_user_fields);
$return .= str_repeat(';', $num);
$sql = "SELECT
questions.question_id,
questions.type,
questions.survey_question,
count(options.question_option_id) as number_of_options
FROM $table_survey_question questions
LEFT JOIN $table_survey_question_option options
ON
questions.question_id = options.question_id AND
options.c_id = questions.c_id
WHERE
survey_question NOT LIKE '%{{%' AND
questions.type <> 'pagebreak' AND
questions.survey_id = $surveyId AND
questions.c_id = $course_id
GROUP BY questions.question_id
ORDER BY questions.sort ASC";
$result = Database::query($sql);
while ($row = Database::fetch_array($result)) {
// We show the questions if
// 1. there is no question filter and the export button has not been clicked
// 2. there is a quesiton filter but the question is selected for display
if (!(isset($_POST['submit_question_filter'])) ||
(isset($_POST['submit_question_filter']) &&
is_array($_POST['questions_filter']) &&
in_array($row['question_id'], $_POST['questions_filter']))
) {
if ($row['number_of_options'] == 0) {
$return .= str_replace(
"\r\n",
' ',
api_html_entity_decode(strip_tags($row['survey_question']), ENT_QUOTES)
)
.';';
} else {
for ($ii = 0; $ii < $row['number_of_options']; $ii++) {
$return .= str_replace(
"\r\n",
' ',
api_html_entity_decode(strip_tags($row['survey_question']), ENT_QUOTES)
)
.';';
}
}
}
}
$return .= "\n";
// Getting all the questions and options
$return .= ';';
// Show the fields names for user fields
if (!empty($extra_user_fields)) {
foreach ($extra_user_fields as &$field) {
$return .= '"'
.str_replace(
"\r\n",
' ',
api_html_entity_decode(strip_tags($field[3]), ENT_QUOTES)
)
.'";';
}
}
$sql = "SELECT DISTINCT
survey_question.question_id,
survey_question.survey_id,
survey_question.survey_question,
survey_question.display,
survey_question.sort,
survey_question.type,
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.question_id = survey_question_option.question_id AND
survey_question_option.c_id = survey_question.c_id
WHERE
survey_question NOT LIKE '%{{%' AND
survey_question.type <> 'pagebreak' AND
survey_question.survey_id = $surveyId AND
survey_question.c_id = $course_id
ORDER BY survey_question.sort ASC, survey_question_option.sort ASC";
$result = Database::query($sql);
$possible_answers = [];
$possible_answers_type = [];
while ($row = Database::fetch_array($result)) {
// We show the options if
// 1. there is no question filter and the export button has not been clicked
// 2. there is a question filter but the question is selected for display
if (!(isset($_POST['submit_question_filter'])) || (
is_array($_POST['questions_filter']) &&
in_array($row['question_id'], $_POST['questions_filter'])
)
) {
$row['option_text'] = str_replace(["\r", "\n"], ['', ''], $row['option_text']);
$return .= api_html_entity_decode(strip_tags($row['option_text']), ENT_QUOTES).';';
$possible_answers[$row['question_id']][$row['question_option_id']] = $row['question_option_id'];
$possible_answers_type[$row['question_id']] = $row['type'];
}
}
$return .= "\n";
// Getting all the answers of the users
$old_user = '';
$answers_of_user = [];
$sql = "SELECT * FROM $table_survey_answer
WHERE
c_id = $course_id AND
survey_id='".$surveyId."'
";
if ($user_id != 0) {
$sql .= "AND user='".Database::escape_string($user_id)."' ";
}
$sql .= ' ORDER BY user ASC ';
$questionIdList = array_keys($possible_answers_type);
$open_question_iterator = 1;
$result = Database::query($sql);
while ($row = Database::fetch_array($result, 'ASSOC')) {
if (!in_array($row['question_id'], $questionIdList)) {
continue;
}
if ($old_user != $row['user'] && $old_user != '') {
$return .= self::export_complete_report_row(
$survey_data,
$possible_answers,
$answers_of_user,
$old_user,
true
);
$answers_of_user = [];
}
if ($possible_answers_type[$row['question_id']] == 'open' ||
$possible_answers_type[$row['question_id']] == 'comment'
) {
$temp_id = 'open'.$open_question_iterator;
$answers_of_user[$row['question_id']][$temp_id] = $row;
$open_question_iterator++;
} else {
$answers_of_user[$row['question_id']][$row['option_id']] = $row;
}
$old_user = $row['user'];
}
// This is to display the last user
$return .= self::export_complete_report_row(
$survey_data,
$possible_answers,
$answers_of_user,
$old_user,
true
);
return $return;
}
/**
* Add a line to the csv file.
*
* @param array Possible answers
* @param array User's answers
* @param mixed User ID or user details as string - Used as a string in the result string
* @param bool Whether to display user fields or not
*
* @return string One line of the csv file
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
*
* @version February 2007
*/
public static function export_complete_report_row(
$survey_data,
$possible_options,
$answers_of_user,
$user,
$display_extra_user_fields = false
) {
$return = '';
if ($survey_data['anonymous'] == 0) {
if (intval($user) !== 0) {
$userInfo = api_get_user_info($user);
if (!empty($userInfo)) {
$user_displayed = $userInfo['complete_name_with_username'];
} else {
$user_displayed = '-';
}
$return .= $user_displayed.';';
} else {
$return .= $user.';';
}
} else {
$return .= '-;'; // The user column
}
if ($display_extra_user_fields) {
// Show user fields data, if any, for this user
$user_fields_values = UserManager::get_extra_user_data(
$user,
false,
false,
false,
true
);
foreach ($user_fields_values as &$value) {
$return .= '"'.str_replace('"', '""', api_html_entity_decode(strip_tags($value), ENT_QUOTES)).'";';
}
}
if (is_array($possible_options)) {
foreach ($possible_options as $question_id => $possible_option) {
if (is_array($possible_option) && count($possible_option) > 0) {
foreach ($possible_option as $option_id => &$value) {
$my_answer_of_user = !isset($answers_of_user[$question_id]) || isset($answers_of_user[$question_id]) && $answers_of_user[$question_id] == null ? [] : $answers_of_user[$question_id];
$key = array_keys($my_answer_of_user);
if (isset($key[0]) && substr($key[0], 0, 4) == 'open') {
$return .= '"'.
str_replace(
'"',
'""',
api_html_entity_decode(
strip_tags(
$answers_of_user[$question_id][$key[0]]['option_id']
),
ENT_QUOTES
)
).
'"';
} elseif (!empty($answers_of_user[$question_id][$option_id])) {
//$return .= 'v';
if ($answers_of_user[$question_id][$option_id]['value'] != 0) {
$return .= $answers_of_user[$question_id][$option_id]['value'];
} else {
$return .= 'v';
}
}
$return .= ';';
}
}
}
}
$return .= "\n";
return $return;
}
/**
* Quite similar to display_complete_report(), returns an HTML string
* that can be used in a csv file.
*
* @todo consider merging this function with display_complete_report
*
* @return string The contents of a csv file
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
*
* @version February 2007
*/
public static function export_complete_report_xls($survey_data, $filename, $user_id = 0)
{
$course_id = api_get_course_int_id();
$user_id = (int) $user_id;
$surveyId = isset($_GET['survey_id']) ? (int) $_GET['survey_id'] : 0;
if (empty($course_id) || empty($surveyId)) {
return false;
}
// Show extra fields blank space (enough for extra fields on next line)
// Show user fields section with a big th colspan that spans over all fields
$extra_user_fields = UserManager::get_extra_fields(
0,
0,
5,
'ASC',
false,
true
);
$list = [];
$num = count($extra_user_fields);
for ($i = 0; $i < $num; $i++) {
$list[0][] = '';
}
$display_extra_user_fields = true;
// Database table definitions
$table_survey_question = Database::get_course_table(TABLE_SURVEY_QUESTION);
$table_survey_question_option = Database::get_course_table(TABLE_SURVEY_QUESTION_OPTION);
$table_survey_answer = Database::get_course_table(TABLE_SURVEY_ANSWER);
// First line (questions)
$sql = "SELECT
questions.question_id,
questions.type,
questions.survey_question,
count(options.question_option_id) as number_of_options
FROM $table_survey_question questions
LEFT JOIN $table_survey_question_option options
ON
questions.question_id = options.question_id AND
options.c_id = questions.c_id
WHERE
survey_question NOT LIKE '%{{%' AND
questions.type <> 'pagebreak' AND
questions.survey_id = $surveyId AND
questions.c_id = $course_id
GROUP BY questions.question_id
ORDER BY questions.sort ASC";
$result = Database::query($sql);
$line = 1;
$column = 1;
while ($row = Database::fetch_array($result)) {
// We show the questions if
// 1. there is no question filter and the export button has not been clicked
// 2. there is a quesiton filter but the question is selected for display
if (!(isset($_POST['submit_question_filter'])) ||
(isset($_POST['submit_question_filter']) && is_array($_POST['questions_filter']) &&
in_array($row['question_id'], $_POST['questions_filter']))
) {
// We do not show comment and pagebreak question types
if ($row['type'] != 'pagebreak') {
if ($row['number_of_options'] == 0 && ($row['type'] == 'open' || $row['type'] == 'comment')) {
$list[$line][$column] = api_html_entity_decode(
strip_tags($row['survey_question']),
ENT_QUOTES
);
$column++;
} else {
for ($ii = 0; $ii < $row['number_of_options']; $ii++) {
$list[$line][$column] = api_html_entity_decode(
strip_tags($row['survey_question']),
ENT_QUOTES
);
$column++;
}
}
}
}
}
$line++;
$column = 1;
// Show extra field values
if ($display_extra_user_fields) {
// Show the fields names for user fields
foreach ($extra_user_fields as &$field) {
$list[$line][$column] = api_html_entity_decode(strip_tags($field[3]), ENT_QUOTES);
$column++;
}
}
// Getting all the questions and options (second line)
$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_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.question_id = survey_question_option.question_id AND
survey_question_option.c_id = survey_question.c_id
WHERE
survey_question NOT LIKE '%{{%' AND
survey_question.type <> 'pagebreak' AND
survey_question.survey_id = $surveyId AND
survey_question.c_id = $course_id
ORDER BY survey_question.sort ASC, survey_question_option.sort ASC";
$result = Database::query($sql);
$possible_answers = [];
$possible_answers_type = [];
while ($row = Database::fetch_array($result)) {
// We show the options if
// 1. there is no question filter and the export button has not been clicked
// 2. there is a quesiton filter but the question is selected for display
if (!isset($_POST['submit_question_filter']) ||
(isset($_POST['questions_filter']) && is_array($_POST['questions_filter']) &&
in_array($row['question_id'], $_POST['questions_filter']))
) {
// We do not show comment and pagebreak question types
if ($row['type'] != 'pagebreak') {
$list[$line][$column] = api_html_entity_decode(
strip_tags($row['option_text']),
ENT_QUOTES
);
$possible_answers[$row['question_id']][$row['question_option_id']] = $row['question_option_id'];
$possible_answers_type[$row['question_id']] = $row['type'];
$column++;
}
}
}
// Getting all the answers of the users
$line++;
$column = 0;
$old_user = '';
$answers_of_user = [];
$sql = "SELECT * FROM $table_survey_answer
WHERE c_id = $course_id AND survey_id = $surveyId";
if ($user_id != 0) {
$sql .= " AND user='".$user_id."' ";
}
$sql .= ' ORDER BY user ASC';
$open_question_iterator = 1;
$result = Database::query($sql);
while ($row = Database::fetch_array($result)) {
if ($old_user != $row['user'] && $old_user != '') {
$return = self::export_complete_report_row_xls(
$survey_data,
$possible_answers,
$answers_of_user,
$old_user,
true
);
foreach ($return as $elem) {
$list[$line][$column] = $elem;
$column++;
}
$answers_of_user = [];
$line++;
$column = 0;
}
if ($possible_answers_type[$row['question_id']] == 'open' || $possible_answers_type[$row['question_id']] == 'comment') {
$temp_id = 'open'.$open_question_iterator;
$answers_of_user[$row['question_id']][$temp_id] = $row;
$open_question_iterator++;
} else {
$answers_of_user[$row['question_id']][$row['option_id']] = $row;
}
$old_user = $row['user'];
}
$return = self::export_complete_report_row_xls(
$survey_data,
$possible_answers,
$answers_of_user,
$old_user,
true
);
// this is to display the last user
foreach ($return as $elem) {
$list[$line][$column] = $elem;
$column++;
}
Export::arrayToXls($list, $filename);
return null;
}
/**
* Add a line to the csv file.
*
* @param array Possible answers
* @param array User's answers
* @param mixed User ID or user details as string - Used as a string in the result string
* @param bool Whether to display user fields or not
*
* @return string One line of the csv file
*/
public static function export_complete_report_row_xls(
$survey_data,
$possible_options,
$answers_of_user,
$user,
$display_extra_user_fields = false
) {
$return = [];
if ($survey_data['anonymous'] == 0) {
if (intval($user) !== 0) {
$userInfo = api_get_user_info($user);
if ($userInfo) {
$user_displayed = $userInfo['complete_name_with_username'];
} else {
$user_displayed = '-';
}
$return[] = $user_displayed;
} else {
$return[] = $user;
}
} else {
$return[] = '-'; // The user column
}
if ($display_extra_user_fields) {
//show user fields data, if any, for this user
$user_fields_values = UserManager::get_extra_user_data(
$user,
false,
false,
false,
true
);
foreach ($user_fields_values as $value) {
$return[] = api_html_entity_decode(strip_tags($value), ENT_QUOTES);
}
}
if (is_array($possible_options)) {
foreach ($possible_options as $question_id => &$possible_option) {
if (is_array($possible_option) && count($possible_option) > 0) {
foreach ($possible_option as $option_id => &$value) {
$my_answers_of_user = isset($answers_of_user[$question_id])
? $answers_of_user[$question_id]
: [];
$key = array_keys($my_answers_of_user);
if (isset($key[0]) && substr($key[0], 0, 4) == 'open') {
$return[] = api_html_entity_decode(
strip_tags($answers_of_user[$question_id][$key[0]]['option_id']),
ENT_QUOTES
);
} elseif (!empty($answers_of_user[$question_id][$option_id])) {
if ($answers_of_user[$question_id][$option_id]['value'] != 0) {
$return[] = $answers_of_user[$question_id][$option_id]['value'];
} else {
$return[] = 'v';
}
} else {
$return[] = '';
}
}
}
}
}
return $return;
}
/**
* This function displays the comparative report which
* allows you to compare two questions
* A comparative report creates a table where one question
* is on the x axis and a second question is on the y axis.
* In the intersection is the number of people who have
* answered positive on both options.
*
* @return string HTML code
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
*
* @version February 2007
*/
public static function display_comparative_report()
{
// Allowed question types for comparative report
$allowed_question_types = [
'yesno',
'multiplechoice',
'multipleresponse',
'dropdown',
'percentage',
'score',
];
$surveyId = isset($_GET['survey_id']) ? (int) $_GET['survey_id'] : 0;
// Getting all the questions
$questions = SurveyManager::get_questions($surveyId);
// Actions bar
echo '<div class="actions">';
echo '<a href="'.api_get_path(WEB_CODE_PATH).'survey/reporting.php?survey_id='.$surveyId.'&'.api_get_cidreq()
.'">'
.Display::return_icon(
'back.png',
get_lang('Back to').' '.get_lang('Reporting overview'),
[],
ICON_SIZE_MEDIUM
)
.'</a>';
echo '</div>';
// Displaying an information message that only the questions with predefined answers can be used in a comparative report
echo Display::return_message(get_lang('Only questions with predefined answers can be used'), 'normal', false);
$xAxis = isset($_GET['xaxis']) ? Security::remove_XSS($_GET['xaxis']) : '';
$yAxis = isset($_GET['yaxis']) ? Security::remove_XSS($_GET['yaxis']) : '';
$url = api_get_self().'?'.api_get_cidreq().'&action='.Security::remove_XSS($_GET['action'])
.'&survey_id='.$surveyId.'&xaxis='.$xAxis.'&y='.$yAxis;
$form = new FormValidator('compare', 'get', $url);
$form->addHidden('action', Security::remove_XSS($_GET['action']));
$form->addHidden('survey_id', $surveyId);
$optionsX = ['----'];
$optionsY = ['----'];
$defaults = [];
foreach ($questions as $key => &$question) {
// Ignored tagged questions
if ($question) {
if (strpos($question['question'], '{{') !== false) {
$question = null;
continue;
}
}
if (is_array($allowed_question_types)) {
if (in_array($question['type'], $allowed_question_types)) {
if (isset($_GET['xaxis']) && $_GET['xaxis'] == $question['question_id']) {
$defaults['xaxis'] = $question['question_id'];
}
if (isset($_GET['yaxis']) && $_GET['yaxis'] == $question['question_id']) {
$defaults['yaxis'] = $question['question_id'];
}
$optionsX[$question['question_id']] = api_substr(strip_tags($question['question']), 0, 90);
$optionsY[$question['question_id']] = api_substr(strip_tags($question['question']), 0, 90);
}
}
}
$form->addSelect('xaxis', get_lang('Select the question on the X axis'), $optionsX);
$form->addSelect('yaxis', get_lang('Select the question on the Y axis'), $optionsY);
$form->addButtonSearch(get_lang('Compare questions'));
$form->setDefaults($defaults);
$form->display();
// Getting all the information of the x axis
if (is_numeric($xAxis)) {
$question_x = SurveyManager::get_question($xAxis);
}
// Getting all the information of the y axis
if (is_numeric($yAxis)) {
$question_y = SurveyManager::get_question($yAxis);
}
if (is_numeric($xAxis) && is_numeric($yAxis)) {
// Getting the answers of the two questions
$answers_x = self::get_answers_of_question_by_user($surveyId, $xAxis);
$answers_y = self::get_answers_of_question_by_user($surveyId, $yAxis);
// Displaying the table
$tableHtml = '<table border="1" class="data_table">';
$xOptions = [];
// The header
$tableHtml .= '<tr>';
for ($ii = 0; $ii <= count($question_x['answers']); $ii++) {
if ($ii == 0) {
$tableHtml .= '<th>&nbsp;</th>';
} else {
if ($question_x['type'] == 'score') {
for ($x = 1; $x <= $question_x['maximum_score']; $x++) {
$tableHtml .= '<th>'.$question_x['answers'][($ii - 1)].'<br />'.$x.'</th>';
}
$x = '';
} else {
$tableHtml .= '<th>'.$question_x['answers'][($ii - 1)].'</th>';
}
$optionText = strip_tags($question_x['answers'][$ii - 1]);
$optionText = html_entity_decode($optionText);
array_push($xOptions, trim($optionText));
}
}
$tableHtml .= '</tr>';
$chartData = [];
// The main part
for ($ij = 0; $ij < count($question_y['answers']); $ij++) {
$currentYQuestion = strip_tags($question_y['answers'][$ij]);
$currentYQuestion = html_entity_decode($currentYQuestion);
// The Y axis is a scoring question type so we have more rows than the options (actually options * maximum score)
if ($question_y['type'] == 'score') {
for ($y = 1; $y <= $question_y['maximum_score']; $y++) {
$tableHtml .= '<tr>';
for ($ii = 0; $ii <= count($question_x['answers']); $ii++) {
if ($question_x['type'] == 'score') {
for ($x = 1; $x <= $question_x['maximum_score']; $x++) {
if ($ii == 0) {
$tableHtml .= '<th>'.$question_y['answers'][($ij)].' '.$y.'</th>';
break;
} else {
$tableHtml .= '<td align="center">';
$votes = self::comparative_check(
$answers_x,
$answers_y,
$question_x['answersid'][($ii - 1)],
$question_y['answersid'][($ij)],
$x,
$y
);
$tableHtml .= $votes;
array_push(
$chartData,
[
'serie' => [$currentYQuestion, $xOptions[$ii - 1]],
'option' => $x,
'votes' => $votes,
]
);
$tableHtml .= '</td>';
}
}
} else {
if ($ii == 0) {
$tableHtml .= '<th>'.$question_y['answers'][$ij].' '.$y.'</th>';
} else {
$tableHtml .= '<td align="center">';
$votes = self::comparative_check(
$answers_x,
$answers_y,
$question_x['answersid'][($ii - 1)],
$question_y['answersid'][($ij)],
0,
$y
);
$tableHtml .= $votes;
array_push(
$chartData,
[
'serie' => [$currentYQuestion, $xOptions[$ii - 1]],
'option' => $y,
'votes' => $votes,
]
);
$tableHtml .= '</td>';
}
}
}
$tableHtml .= '</tr>';
}
} else {
// The Y axis is NOT a score question type so the number of rows = the number of options
$tableHtml .= '<tr>';
for ($ii = 0; $ii <= count($question_x['answers']); $ii++) {
if ($question_x['type'] == 'score') {
for ($x = 1; $x <= $question_x['maximum_score']; $x++) {
if ($ii == 0) {
$tableHtml .= '<th>'.$question_y['answers'][$ij].'</th>';
break;
} else {
$tableHtml .= '<td align="center">';
$votes = self::comparative_check(
$answers_x,
$answers_y,
$question_x['answersid'][($ii - 1)],
$question_y['answersid'][($ij)],
$x,
0
);
$tableHtml .= $votes;
array_push(
$chartData,
[
'serie' => [$currentYQuestion, $xOptions[$ii - 1]],
'option' => $x,
'votes' => $votes,
]
);
$tableHtml .= '</td>';
}
}
} else {
if ($ii == 0) {
$tableHtml .= '<th>'.$question_y['answers'][($ij)].'</th>';
} else {
$tableHtml .= '<td align="center">';
$votes = self::comparative_check(
$answers_x,
$answers_y,
$question_x['answersid'][($ii - 1)],
$question_y['answersid'][($ij)]
);
$tableHtml .= $votes;
array_push(
$chartData,
[
'serie' => $xOptions[$ii - 1],
'option' => $currentYQuestion,
'votes' => $votes,
]
);
$tableHtml .= '</td>';
}
}
}
$tableHtml .= '</tr>';
}
}
$tableHtml .= '</table>';
echo '<div id="chartContainer" class="col-md-12">';
echo self::drawChart($chartData, true);
echo '</div>';
echo $tableHtml;
}
}
/**
* Get all the answers of a question grouped by user.
*
* @param int $survey_id Survey ID
* @param int $question_id Question ID
*
* @return array Array containing all answers of all users, grouped by user
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
*
* @version February 2007 - Updated March 2008
*/
public static function get_answers_of_question_by_user($survey_id, $question_id)
{
$course_id = api_get_course_int_id();
$table_survey_answer = Database::get_course_table(TABLE_SURVEY_ANSWER);
$sql = "SELECT * FROM $table_survey_answer
WHERE
c_id = $course_id AND
survey_id='".intval($survey_id)."' AND
question_id='".intval($question_id)."'
ORDER BY USER ASC";
$result = Database::query($sql);
$return = [];
while ($row = Database::fetch_array($result)) {
if ($row['value'] == 0) {
$return[$row['user']][] = $row['option_id'];
} else {
$return[$row['user']][] = $row['option_id'].'*'.$row['value'];
}
}
return $return;
}
/**
* Count the number of users who answer positively on both options.
*
* @param array All answers of the x axis
* @param array All answers of the y axis
* @param int x axis value (= the option_id of the first question)
* @param int y axis value (= the option_id of the second question)
*
* @return int Number of users who have answered positively to both options
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
*
* @version February 2007
*/
public static function comparative_check(
$answers_x,
$answers_y,
$option_x,
$option_y,
$value_x = 0,
$value_y = 0
) {
if ($value_x == 0) {
$check_x = $option_x;
} else {
$check_x = $option_x.'*'.$value_x;
}
if ($value_y == 0) {
$check_y = $option_y;
} else {
$check_y = $option_y.'*'.$value_y;
}
$counter = 0;
if (is_array($answers_x)) {
foreach ($answers_x as $user => &$answers) {
// Check if the user has given $option_x as answer
if (in_array($check_x, $answers)) {
// Check if the user has given $option_y as an answer
if (!is_null($answers_y[$user]) &&
in_array($check_y, $answers_y[$user])
) {
$counter++;
}
}
}
}
return $counter;
}
/**
* Save the invitation mail.
*
* @param string Text of the e-mail
* @param int Whether the mail contents are for invite mail (0, default) or reminder mail (1)
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
*
* @version January 2007
*/
public static function save_invite_mail($mailtext, $mail_subject, $reminder = 0)
{
$course_id = api_get_course_int_id();
// Database table definition
$table_survey = Database::get_course_table(TABLE_SURVEY);
// Reminder or not
if ($reminder == 0) {
$mail_field = 'invite_mail';
} else {
$mail_field = 'reminder_mail';
}
$sql = "UPDATE $table_survey SET
mail_subject='".Database::escape_string($mail_subject)."',
$mail_field = '".Database::escape_string($mailtext)."'
WHERE c_id = $course_id AND survey_id = '".intval($_GET['survey_id'])."'";
Database::query($sql);
}
/**
* This function saves all the invitations of course users
* and additional users in the database
* and sends the invitations by email.
*
* @param $users_array Users $array array can be both a list of course uids AND a list of additional emailaddresses
* @param $invitation_title Title $string of the invitation, used as the title of the mail
* @param $invitation_text Text $string of the invitation, used as the text of the mail.
* The text has to contain a **link** string or this will automatically be added to the end
* @param int $reminder
* @param bool $sendmail
* @param int $remindUnAnswered
* @param bool $isAdditionalEmail
* @param bool $hideLink
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
* @author Julio Montoya - Adding auto-generated link support
*
* @version January 2007
*/
public static function saveInvitations(
$users_array,
$invitation_title,
$invitation_text,
$reminder = 0,
$sendmail = false,
$remindUnAnswered = 0,
$isAdditionalEmail = false,
$hideLink = false
) {
if (!is_array($users_array)) {
// Should not happen
return 0;
}
// Getting the survey information
$survey_data = SurveyManager::get_survey($_GET['survey_id']);
$survey_invitations = self::get_invitations($survey_data['survey_code']);
$already_invited = self::get_invited_users($survey_data['code']);
// Remind unanswered is a special version of remind all reminder
$exclude_users = [];
if ($remindUnAnswered == 1) {
// Remind only unanswered users
$reminder = 1;
$exclude_users = SurveyManager::get_people_who_filled_survey($_GET['survey_id']);
}
$counter = 0; // Nr of invitations "sent" (if sendmail option)
$course_id = api_get_course_int_id();
$session_id = api_get_session_id();
if ($isAdditionalEmail == false) {
$result = CourseManager::separateUsersGroups($users_array);
$groupList = $result['groups'];
$users_array = $result['users'];
foreach ($groupList as $groupId) {
$userGroupList = GroupManager::getStudents($groupId, true);
$userGroupIdList = array_column($userGroupList, 'user_id');
$users_array = array_merge($users_array, $userGroupIdList);
$params = [
'c_id' => $course_id,
'session_id' => $session_id,
'group_id' => $groupId,
'survey_code' => $survey_data['code'],
];
$invitationExists = self::invitationExists(
$course_id,
$session_id,
$groupId,
$survey_data['code']
);
if (empty($invitationExists)) {
self::save_invitation($params);
}
}
}
$users_array = array_unique($users_array);
foreach ($users_array as $key => $value) {
if (!isset($value) || $value == '') {
continue;
}
// Skip user if reminding only unanswered people
if (in_array($value, $exclude_users)) {
continue;
}
// Get the unique invitation code if we already have it
if ($reminder == 1 && array_key_exists($value, $survey_invitations)) {
$invitation_code = $survey_invitations[$value]['invitation_code'];
} else {
$invitation_code = md5($value.microtime());
}
$new_user = false; // User not already invited
// Store the invitation if user_id not in $already_invited['course_users'] OR email is not in $already_invited['additional_users']
$addit_users_array = isset($already_invited['additional_users']) && !empty($already_invited['additional_users'])
? explode(';', $already_invited['additional_users'])
: [];
$my_alredy_invited = $already_invited['course_users'] == null ? [] : $already_invited['course_users'];
if ((is_numeric($value) && !in_array($value, $my_alredy_invited)) ||
(!is_numeric($value) && !in_array($value, $addit_users_array))
) {
$new_user = true;
if (!array_key_exists($value, $survey_invitations)) {
$params = [
'c_id' => $course_id,
'session_id' => $session_id,
'user' => $value,
'survey_code' => $survey_data['code'],
'invitation_code' => $invitation_code,
'invitation_date' => api_get_utc_datetime(),
];
self::save_invitation($params);
}
}
// Send the email if checkboxed
if (($new_user || $reminder == 1) && $sendmail) {
// Make a change for absolute url
if (isset($invitation_text)) {
$invitation_text = api_html_entity_decode($invitation_text, ENT_QUOTES);
$invitation_text = str_replace('src="../../', 'src="'.api_get_path(WEB_PATH), $invitation_text);
$invitation_text = trim(stripslashes($invitation_text));
}
self::send_invitation_mail(
$value,
$invitation_code,
$invitation_title,
$invitation_text,
$hideLink
);
$counter++;
}
}
return $counter; // Number of invitations sent
}
/**
* @param $params
*
* @return bool|int
*/
public static function save_invitation($params)
{
// Database table to store the invitations data
$table = Database::get_course_table(TABLE_SURVEY_INVITATION);
if (!empty($params['c_id']) &&
(!empty($params['user']) || !empty($params['group_id'])) &&
!empty($params['survey_code'])
) {
if (!isset($params['survey_invitation_id'])) {
$params['survey_invitation_id'] = 0;
}
if (!isset($params['answered'])) {
$params['answered'] = 0;
}
if (!isset($params['group_id'])) {
$params['group_id'] = 0;
}
$insertId = Database::insert($table, $params);
if ($insertId) {
$sql = "UPDATE $table
SET survey_invitation_id = $insertId
WHERE iid = $insertId";
Database::query($sql);
}
return $insertId;
}
return false;
}
/**
* @param int $courseId
* @param int $sessionId
* @param int $groupId
* @param string $surveyCode
*
* @return int
*/
public static function invitationExists($courseId, $sessionId, $groupId, $surveyCode)
{
$table = Database::get_course_table(TABLE_SURVEY_INVITATION);
$courseId = (int) $courseId;
$sessionId = (int) $sessionId;
$groupId = (int) $groupId;
$surveyCode = Database::escape_string($surveyCode);
$sql = "SELECT survey_invitation_id FROM $table
WHERE
c_id = $courseId AND
session_id = $sessionId AND
group_id = $groupId AND
survey_code = '$surveyCode'
";
$result = Database::query($sql);
return Database::num_rows($result);
}
/**
* Send the invitation by mail.
*
* @param int invitedUser - the userId (course user) or emailaddress of additional user
* $param string $invitation_code - the unique invitation code for the URL
*/
public static function send_invitation_mail(
$invitedUser,
$invitation_code,
$invitation_title,
$invitation_text,
$hideLink = false
) {
$_user = api_get_user_info();
$_course = api_get_course_info();
$sessionId = api_get_session_id();
// Replacing the **link** part with a valid link for the user
$link = self::generateFillSurveyLink($invitation_code, $_course, $sessionId);
if ($hideLink) {
$full_invitation_text = str_replace('**link**', '', $invitation_text);
} else {
$text_link = '<a href="'.$link.'">'.get_lang('Click here to answer the survey')."</a><br />\r\n<br />\r\n"
.get_lang('or copy paste the following url :')." <br /> \r\n <br /> \r\n ".$link;
$replace_count = 0;
$full_invitation_text = api_str_ireplace('**link**', $text_link, $invitation_text, $replace_count);
if ($replace_count < 1) {
$full_invitation_text = $full_invitation_text."<br />\r\n<br />\r\n".$text_link;
}
}
// Sending the mail
$sender_name = api_get_person_name($_user['firstName'], $_user['lastName'], null, PERSON_NAME_EMAIL_ADDRESS);
$sender_email = $_user['mail'];
$sender_user_id = api_get_user_id();
$replyto = [];
if (api_get_setting('survey_email_sender_noreply') == 'noreply') {
$noreply = api_get_setting('noreply_email_address');
if (!empty($noreply)) {
$replyto['Reply-to'] = $noreply;
$sender_name = $noreply;
$sender_email = $noreply;
$sender_user_id = null;
}
}
// Optionally: finding the e-mail of the course user
if (is_numeric($invitedUser)) {
MessageManager::send_message(
$invitedUser,
$invitation_title,
$full_invitation_text,
[],
[],
null,
null,
null,
null,
$sender_user_id,
true
);
} else {
@api_mail_html(
'',
$invitedUser,
$invitation_title,
$full_invitation_text,
$sender_name,
$sender_email,
$replyto
);
}
}
/**
* This function recalculates the number of users who have been invited and updates the survey table with this
* value.
*
* @param string Survey code
* @param int $courseId
* @param int $sessionId
*
* @return int
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
*
* @version January 2007
*/
public static function update_count_invited($survey_code, $courseId = 0, $sessionId = 0)
{
$survey_code = Database::escape_string($survey_code);
$courseId = (int) $courseId;
$sessionId = (int) $sessionId;
$courseId = $courseId ?: api_get_course_int_id();
$sessionId = $sessionId ?: api_get_session_id();
$sessionCondition = api_get_session_condition($sessionId);
// Database table definition
$table_survey_invitation = Database::get_course_table(TABLE_SURVEY_INVITATION);
$table_survey = Database::get_course_table(TABLE_SURVEY);
// Counting the number of people that are invited
$sql = "SELECT count(user) as total
FROM $table_survey_invitation
WHERE
c_id = $courseId AND
survey_code = '".$survey_code."' AND
user <> ''
$sessionCondition
";
$result = Database::query($sql);
$row = Database::fetch_array($result);
$total_invited = $row['total'];
// Updating the field in the survey table
$sql = "UPDATE $table_survey
SET invited = '".Database::escape_string($total_invited)."'
WHERE
c_id = $courseId AND
code = '".$survey_code."'
$sessionCondition
";
Database::query($sql);
return $total_invited;
}
/**
* This function gets all the invited users for a given survey code.
*
* @param string Survey code
* @param string optional - course database
*
* @return array Array containing the course users and additional users (non course users)
*
* @todo consider making $defaults['additional_users'] also an array
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
* @author Julio Montoya, adding c_id fixes - Dec 2012
*
* @version January 2007
*/
public static function get_invited_users($survey_code, $course_code = '', $session_id = 0)
{
$session_id = (int) $session_id;
$survey_code = Database::escape_string($survey_code);
$course_code = Database::escape_string($course_code);
$course_id = api_get_course_int_id();
if (!empty($course_code)) {
$course_info = api_get_course_info($course_code);
if ($course_info) {
$course_id = $course_info['real_id'];
}
}
if (empty($session_id)) {
$session_id = api_get_session_id();
}
$table_survey_invitation = Database::get_course_table(TABLE_SURVEY_INVITATION);
$table_user = Database::get_main_table(TABLE_MAIN_USER);
// Selecting all the invitations of this survey AND the additional emailaddresses (the left join)
$order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname' : ' ORDER BY lastname, firstname';
$sql = "SELECT user, group_id
FROM $table_survey_invitation as table_invitation
WHERE
table_invitation.c_id = $course_id AND
survey_code='".$survey_code."' AND
session_id = $session_id
";
$defaults = [];
$defaults['course_users'] = [];
$defaults['additional_users'] = []; // Textarea
$defaults['users'] = []; // user and groups
$result = Database::query($sql);
while ($row = Database::fetch_array($result)) {
if (is_numeric($row['user'])) {
$defaults['course_users'][] = $row['user'];
$defaults['users'][] = 'USER:'.$row['user'];
} else {
if (!empty($row['user'])) {
$defaults['additional_users'][] = $row['user'];
}
}
if (isset($row['group_id']) && !empty($row['group_id'])) {
$defaults['users'][] = 'GROUP:'.$row['group_id'];
}
}
if (!empty($defaults['course_users'])) {
$user_ids = implode("','", $defaults['course_users']);
$sql = "SELECT user_id FROM $table_user WHERE user_id IN ('$user_ids') $order_clause";
$result = Database::query($sql);
$fixed_users = [];
while ($row = Database::fetch_array($result)) {
$fixed_users[] = $row['user_id'];
}
$defaults['course_users'] = $fixed_users;
}
if (!empty($defaults['additional_users'])) {
$defaults['additional_users'] = implode(';', $defaults['additional_users']);
}
return $defaults;
}
/**
* Get all the invitations.
*
* @param string Survey code
*
* @return array Database rows matching the survey code
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
*
* @version September 2007
*/
public static function get_invitations($survey_code)
{
$course_id = api_get_course_int_id();
$sessionId = api_get_session_id();
// Database table definition
$table_survey_invitation = Database::get_course_table(TABLE_SURVEY_INVITATION);
$sql = "SELECT * FROM $table_survey_invitation
WHERE
c_id = $course_id AND
session_id = $sessionId AND
survey_code = '".Database::escape_string($survey_code)."'";
$result = Database::query($sql);
$return = [];
while ($row = Database::fetch_array($result)) {
$return[$row['user']] = $row;
}
return $return;
}
/**
* This function displays the form for searching a survey.
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
*
* @version January 2007
*
* @todo consider moving this to surveymanager.inc.lib.php
*/
public static function display_survey_search_form()
{
$url = api_get_path(WEB_CODE_PATH).'survey/survey_list.php?search=advanced&'.api_get_cidreq();
$form = new FormValidator('search', 'get', $url);
$form->addHeader(get_lang('Search a survey'));
$form->addText('keyword_title', get_lang('Title'));
$form->addText('keyword_code', get_lang('Course code'));
$form->addSelectLanguage('keyword_language', get_lang('Language'));
$form->addHidden('cidReq', api_get_course_id());
$form->addButtonSearch(get_lang('Search'), 'do_search');
$form->display();
}
/**
* Show table only visible by DRH users.
*/
public static function displaySurveyListForDrh()
{
$parameters = [];
$parameters['cidReq'] = api_get_course_id();
// Create a sortable table with survey-data
$table = new SortableTable(
'surveys',
'get_number_of_surveys',
'get_survey_data_drh',
2
);
$table->set_additional_parameters($parameters);
$table->set_header(0, '', false);
$table->set_header(1, get_lang('Survey name'));
$table->set_header(2, get_lang('SurveyCourse code'));
$table->set_header(3, get_lang('Questions'));
$table->set_header(4, get_lang('Author'));
$table->set_header(5, get_lang('Available from'));
$table->set_header(6, get_lang('Until'));
$table->set_header(7, get_lang('Invite'));
$table->set_header(8, get_lang('Anonymous'));
if (api_get_configuration_value('allow_mandatory_survey')) {
$table->set_header(9, get_lang('Mandatory?'));
$table->set_header(10, get_lang('Edit'), false, 'width="150"');
$table->set_column_filter(9, 'anonymous_filter');
$table->set_column_filter(10, 'modify_filter_drh');
} else {
$table->set_header(9, get_lang('Edit'), false, 'width="150"');
$table->set_column_filter(9, 'modify_filter_drh');
}
$table->set_column_filter(8, 'anonymous_filter');
$table->display();
}
/**
* This function displays the sortable table with all the surveys.
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
*
* @version January 2007
*/
public static function display_survey_list()
{
$parameters = [];
$parameters['cidReq'] = api_get_course_id();
if (isset($_GET['do_search']) && $_GET['do_search']) {
$message = get_lang('Display search results').'<br />';
$message .= '<a href="'.api_get_self().'?'.api_get_cidreq().'">'.get_lang('Display all').'</a>';
echo Display::return_message($message, 'normal', false);
}
// Create a sortable table with survey-data
$table = new SortableTable(
'surveys',
'get_number_of_surveys',
'get_survey_data',
2
);
$table->set_additional_parameters($parameters);
$table->set_header(0, '', false);
$table->set_header(1, get_lang('Survey name'));
$table->set_header(2, get_lang('SurveyCourse code'));
$table->set_header(3, get_lang('Questions'));
$table->set_header(4, get_lang('Author'));
//$table->set_header(5, get_lang('Language'));
//$table->set_header(6, get_lang('Shared'));
$table->set_header(5, get_lang('Available from'));
$table->set_header(6, get_lang('Until'));
$table->set_header(7, get_lang('Invite'));
$table->set_header(8, get_lang('Anonymous'));
if (api_get_configuration_value('allow_mandatory_survey')) {
$table->set_header(9, get_lang('Mandatory?'));
$table->set_header(10, get_lang('Edit'), false, 'width="150"');
$table->set_column_filter(8, 'anonymous_filter');
$table->set_column_filter(10, 'modify_filter');
} else {
$table->set_header(9, get_lang('Edit'), false, 'width="150"');
$table->set_column_filter(9, 'modify_filter');
}
$table->set_column_filter(8, 'anonymous_filter');
$table->set_form_actions(['delete' => get_lang('Delete survey')]);
$table->display();
}
/**
* Survey list for coach.
*/
public static function display_survey_list_for_coach()
{
$parameters = [];
$parameters['cidReq'] = api_get_course_id();
if (isset($_GET['do_search'])) {
$message = get_lang('Display search results').'<br />';
$message .= '<a href="'.api_get_self().'?'.api_get_cidreq().'">'.get_lang('Display all').'</a>';
echo Display::return_message($message, 'normal', false);
}
// Create a sortable table with survey-data
$table = new SortableTable(
'surveys_coach',
'get_number_of_surveys_for_coach',
'get_survey_data_for_coach',
2
);
$table->set_additional_parameters($parameters);
$table->set_header(0, '', false);
$table->set_header(1, get_lang('Survey name'));
$table->set_header(2, get_lang('SurveyCourse code'));
$table->set_header(3, get_lang('Questions'));
$table->set_header(4, get_lang('Author'));
$table->set_header(5, get_lang('Available from'));
$table->set_header(6, get_lang('Until'));
$table->set_header(7, get_lang('Invite'));
$table->set_header(8, get_lang('Anonymous'));
if (api_get_configuration_value('allow_mandatory_survey')) {
$table->set_header(9, get_lang('Edit'), false, 'width="130"');
$table->set_header(10, get_lang('Edit'), false, 'width="130"');
$table->set_column_filter(8, 'anonymous_filter');
$table->set_column_filter(10, 'modify_filter_for_coach');
} else {
$table->set_header(9, get_lang('Edit'), false, 'width="130"');
$table->set_column_filter(9, 'modify_filter_for_coach');
}
$table->set_column_filter(8, 'anonymous_filter');
$table->display();
}
/**
* Check if the hide_survey_edition configurations setting is enabled.
*
* @param string $surveyCode
*
* @return bool
*/
public static function checkHideEditionToolsByCode($surveyCode)
{
$hideSurveyEdition = api_get_configuration_value('hide_survey_edition');
if (false === $hideSurveyEdition) {
return false;
}
if ('*' === $hideSurveyEdition['codes']) {
return true;
}
if (in_array($surveyCode, $hideSurveyEdition['codes'])) {
return true;
}
return false;
}
/**
* This function changes the modify column of the sortable table.
*
* @param int $survey_id the id of the survey
* @param bool $drh
*
* @throws \Doctrine\ORM\ORMException
* @throws \Doctrine\ORM\OptimisticLockException
* @throws \Doctrine\ORM\TransactionRequiredException
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
*
* @return string html code that are the actions that can be performed on any survey
*
* @version January 2007
*/
public static function modify_filter($survey_id, $drh = false)
{
/** @var CSurvey $survey */
$survey = Database::getManager()->find('ChamiloCourseBundle:CSurvey', $survey_id);
$hideSurveyEdition = self::checkHideEditionToolsByCode($survey->getCode());
if ($hideSurveyEdition) {
return '';
}
if (empty($survey)) {
return '';
}
$survey_id = $survey->getSurveyId();
$actions = [];
$hideReportingButton = api_get_configuration_value('hide_survey_reporting_button');
$codePath = api_get_path(WEB_CODE_PATH);
$params = [];
parse_str(api_get_cidreq(), $params);
$reportingLink = Display::url(
Display::return_icon('statistics.png', get_lang('Reporting')),
$codePath.'survey/reporting.php?'.http_build_query($params + ['survey_id' => $survey_id])
);
if ($drh) {
return $hideReportingButton ? '-' : $reportingLink;
}
$type = $survey->getSurveyType();
// Coach can see that only if the survey is in his session
if (api_is_allowed_to_edit() ||
api_is_element_in_the_session(TOOL_SURVEY, $survey_id)
) {
$editUrl = $codePath.'survey/create_new_survey.php?'.
http_build_query($params + ['action' => 'edit', 'survey_id' => $survey_id]);
if ($survey->getSurveyType() == 3) {
$editUrl = $codePath.'survey/edit_meeting.php?'.
http_build_query($params + ['action' => 'edit', 'survey_id' => $survey_id]);
}
$actions[] = Display::url(
Display::return_icon('edit.png', get_lang('Edit')),
$editUrl
);
if (SurveyManager::survey_generation_hash_available()) {
$actions[] = Display::url(
Display::return_icon('new_link.png', get_lang('Generate survey access link')),
$codePath.'survey/generate_link.php?'.http_build_query($params + ['survey_id' => $survey_id])
);
}
if ($type != 3) {
$actions[] = Display::url(
Display::return_icon('backup.png', get_lang('Copy survey')),
$codePath.'survey/copy_survey.php?'.http_build_query($params + ['survey_id' => $survey_id])
);
$actions[] = Display::url(
Display::return_icon('copy.png', get_lang('Duplicate survey')),
$codePath.'survey/survey_list.php?'
.http_build_query($params + ['action' => 'copy_survey', 'survey_id' => $survey_id])
);
$actions[] = Display::url(
Display::return_icon('multiplicate_survey.png', get_lang('Multiplicate questions')),
$codePath.'survey/survey_list.php?'
.http_build_query($params + ['action' => 'multiplicate', 'survey_id' => $survey_id])
);
$actions[] = Display::url(
Display::return_icon('multiplicate_survey_na.png', get_lang('RemoveMultiplicate questions')),
$codePath.'survey/survey_list.php?'
.http_build_query($params + ['action' => 'remove_multiplicate', 'survey_id' => $survey_id])
);
$warning = addslashes(api_htmlentities(get_lang('Empty survey').'?', ENT_QUOTES));
$actions[] = Display::url(
Display::return_icon('clean.png', get_lang('Empty survey')),
$codePath.'survey/survey_list.php?'
.http_build_query($params + ['action' => 'empty', 'survey_id' => $survey_id]),
[
'onclick' => "javascript: if (!confirm('".$warning."')) return false;",
]
);
}
}
if ($type != 3) {
$actions[] = Display::url(
Display::return_icon('preview_view.png', get_lang('Preview')),
$codePath.'survey/preview.php?'.http_build_query($params + ['survey_id' => $survey_id])
);
}
$actions[] = Display::url(
Display::return_icon('mail_send.png', get_lang('Publish')),
$codePath.'survey/survey_invite.php?'.http_build_query($params + ['survey_id' => $survey_id])
);
if ($type != 3) {
$actions[] = $hideReportingButton ? null : $reportingLink;
}
if (api_is_allowed_to_edit() ||
api_is_element_in_the_session(TOOL_SURVEY, $survey_id)
) {
$actions[] = self::getAdditionalTeacherActions($survey_id);
$warning = addslashes(api_htmlentities(get_lang('Delete survey').'?', ENT_QUOTES));
$actions[] = Display::url(
Display::return_icon('delete.png', get_lang('Delete')),
$codePath.'survey/survey_list.php?'
.http_build_query($params + ['action' => 'delete', 'survey_id' => $survey_id]),
[
'onclick' => "javascript: if (!confirm('".$warning."')) return false;",
]
);
}
return implode(PHP_EOL, $actions);
}
/**
* Get the additional actions added in survey_additional_teacher_modify_actions configuration.
*
* @param int $surveyId
* @param int $iconSize
*
* @return string
*/
public static function getAdditionalTeacherActions($surveyId, $iconSize = ICON_SIZE_SMALL)
{
$additionalActions = api_get_configuration_value('survey_additional_teacher_modify_actions') ?: [];
if (empty($additionalActions)) {
return '';
}
$actions = [];
foreach ($additionalActions as $additionalAction) {
$actions[] = call_user_func(
$additionalAction,
['survey_id' => $surveyId, 'icon_size' => $iconSize]
);
}
return implode(PHP_EOL, $actions);
}
/**
* @param int $survey_id
*
* @return string
*/
public static function modify_filter_for_coach($survey_id)
{
$survey_id = (int) $survey_id;
$actions = [];
$codePath = api_get_path(WEB_CODE_PATH);
$params = [];
parse_str(api_get_cidreq(), $params);
$actions[] = Display::url(
Display::return_icon('preview_view.png', get_lang('Preview')),
$codePath.'survey/preview.php?'.http_build_query($params + ['survey_id' => $survey_id])
);
$actions[] = Display::url(
Display::return_icon('mail_send.png', get_lang('Publish')),
$codePath.'survey/survey_invite.php?'.http_build_query($params + ['survey_id' => $survey_id])
);
$warning = addslashes(api_htmlentities(get_lang('Empty survey').'?', ENT_QUOTES));
$actions[] = Display::url(
Display::return_icon('clean.png', get_lang('Empty survey')),
$codePath.'survey/survey_list.php?'
.http_build_query($params + ['action' => 'empty', 'survey_id' => $survey_id]),
[
'onclick' => "javascript: if(!confirm('".$warning."')) return false;",
]
);
return implode(PHP_EOL, $actions);
}
/**
* Returns "yes" when given parameter is one, "no" for any other value.
*
* @param int Whether anonymous or not
*
* @return string "Yes" or "No" in the current language
*/
public static function anonymous_filter($anonymous)
{
if ($anonymous == 1) {
return get_lang('Yes');
} else {
return get_lang('No');
}
}
/**
* This function handles the search restriction for the SQL statements.
*
* @return string Part of a SQL statement or false on error
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
*
* @version January 2007
*/
public static function survey_search_restriction()
{
if (isset($_GET['do_search'])) {
if ($_GET['keyword_title'] != '') {
$search_term[] = 'title like "%" \''.Database::escape_string($_GET['keyword_title']).'\' "%"';
}
if ($_GET['keyword_code'] != '') {
$search_term[] = 'code =\''.Database::escape_string($_GET['keyword_code']).'\'';
}
if ($_GET['keyword_language'] != '%') {
$search_term[] = 'lang =\''.Database::escape_string($_GET['keyword_language']).'\'';
}
$my_search_term = ($search_term == null) ? [] : $search_term;
$search_restriction = implode(' AND ', $my_search_term);
return $search_restriction;
} else {
return false;
}
}
/**
* This function calculates the total number of surveys.
*
* @return int Total number of surveys
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
*
* @version January 2007
*/
public static function get_number_of_surveys()
{
$table_survey = Database::get_course_table(TABLE_SURVEY);
$course_id = api_get_course_int_id();
$search_restriction = self::survey_search_restriction();
if ($search_restriction) {
$search_restriction = 'WHERE c_id = '.$course_id.' AND '.$search_restriction;
} else {
$search_restriction = "WHERE c_id = $course_id";
}
$sql = "SELECT count(survey_id) AS total_number_of_items
FROM $table_survey $search_restriction";
$res = Database::query($sql);
$obj = Database::fetch_object($res);
return $obj->total_number_of_items;
}
/**
* @return int
*/
public static function get_number_of_surveys_for_coach()
{
$survey_tree = new SurveyTree();
return count($survey_tree->surveylist);
}
/**
* This function gets all the survey data that is to be displayed in the sortable table.
*
* @param int $from
* @param int $number_of_items
* @param int $column
* @param string $direction
* @param bool $isDrh
*
* @return array
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
* @author Julio Montoya <gugli100@gmail.com>, Beeznest - Adding intvals
*
* @version January 2007
*/
public static function get_survey_data(
$from,
$number_of_items,
$column,
$direction,
$isDrh = false
) {
$table_survey = Database::get_course_table(TABLE_SURVEY);
$table_user = Database::get_main_table(TABLE_MAIN_USER);
$table_survey_question = Database::get_course_table(TABLE_SURVEY_QUESTION);
$mandatoryAllowed = api_get_configuration_value('allow_mandatory_survey');
$_user = api_get_user_info();
$allowSurveyAvailabilityDatetime = api_get_configuration_value('allow_survey_availability_datetime');
// Searching
$search_restriction = self::survey_search_restriction();
if ($search_restriction) {
$search_restriction = ' AND '.$search_restriction;
}
$from = (int) $from;
$number_of_items = (int) $number_of_items;
$column = (int) $column;
if (!in_array(strtolower($direction), ['asc', 'desc'])) {
$direction = 'asc';
}
// Condition for the session
$session_id = api_get_session_id();
$condition_session = api_get_session_condition($session_id);
$course_id = api_get_course_int_id();
$sql = "
SELECT
survey.survey_id AS col0,
survey.title AS col1,
survey.code AS col2,
count(survey_question.question_id) AS col3, "
.(api_is_western_name_order()
? "CONCAT(user.firstname, ' ', user.lastname)"
: "CONCAT(user.lastname, ' ', user.firstname)")
." AS col4,
survey.avail_from AS col5,
survey.avail_till AS col6,
survey.invited AS col7,
survey.anonymous AS col8,
survey.iid AS col9,
survey.session_id AS session_id,
survey.answered,
survey.invited,
survey.survey_type
FROM $table_survey survey
LEFT JOIN $table_survey_question survey_question
ON (survey.survey_id = survey_question.survey_id AND survey_question.c_id = $course_id)
LEFT JOIN $table_user user
ON (survey.author = user.user_id)
WHERE survey.c_id = $course_id
$search_restriction
$condition_session
GROUP BY survey.survey_id
ORDER BY col$column $direction
LIMIT $from,$number_of_items
";
$res = Database::query($sql);
$surveys = [];
$array = [];
$efv = new ExtraFieldValue('survey');
while ($survey = Database::fetch_array($res)) {
$array[0] = $survey[0];
if (self::checkHideEditionToolsByCode($survey['col2'])) {
$array[1] = $survey[1];
} else {
// Doodle
if ($survey['survey_type'] == 3) {
$array[1] = Display::url(
$survey[1],
api_get_path(WEB_CODE_PATH).'survey/meeting.php?survey_id='.$survey[0].'&'.api_get_cidreq()
);
} else {
$array[1] = Display::url(
$survey[1],
api_get_path(WEB_CODE_PATH).'survey/survey.php?survey_id='.$survey[0].'&'.api_get_cidreq()
);
}
}
// Validation when belonging to a session
$session_img = api_get_session_image($survey['session_id'], $_user['status']);
$array[2] = $survey[2].$session_img;
$array[3] = $survey[3];
$array[4] = $survey[4];
// Dates
$array[5] = '';
if (!empty($survey[5]) && $survey[5] !== '0000-00-00' && $survey[5] !== '0000-00-00 00:00:00') {
$array[5] = api_convert_and_format_date(
$survey[5],
$allowSurveyAvailabilityDatetime ? DATE_TIME_FORMAT_LONG : DATE_FORMAT_LONG
);
}
$array[6] = '';
if (!empty($survey[6]) && $survey[6] !== '0000-00-00' && $survey[6] !== '0000-00-00 00:00:00') {
$array[6] = api_convert_and_format_date(
$survey[6],
$allowSurveyAvailabilityDatetime ? DATE_TIME_FORMAT_LONG : DATE_FORMAT_LONG
);
}
$array[7] =
Display::url(
$survey['answered'],
api_get_path(WEB_CODE_PATH).'survey/survey_invitation.php?view=answered&survey_id='.$survey[0].'&'
.api_get_cidreq()
).' / '.
Display::url(
$survey['invited'],
api_get_path(WEB_CODE_PATH).'survey/survey_invitation.php?view=invited&survey_id='.$survey[0].'&'
.api_get_cidreq()
);
// Anon
$array[8] = $survey['col8'];
if ($mandatoryAllowed) {
$efvMandatory = $efv->get_values_by_handler_and_field_variable(
$survey[9],
'is_mandatory'
);
$array[9] = $efvMandatory ? $efvMandatory['value'] : 0;
// Survey id
$array[10] = $survey['col9'];
} else {
// Survey id
$array[9] = $survey['col9'];
}
if ($isDrh) {
$array[1] = $survey[1];
$array[7] = strip_tags($array[7]);
}
$surveys[] = $array;
}
return $surveys;
}
/**
* @param $from
* @param $number_of_items
* @param $column
* @param $direction
*
* @return array
*/
public static function get_survey_data_for_coach($from, $number_of_items, $column, $direction)
{
$mandatoryAllowed = api_get_configuration_value('allow_mandatory_survey');
$allowSurveyAvailabilityDatetime = api_get_configuration_value('allow_survey_availability_datetime');
$survey_tree = new SurveyTree();
$last_version_surveys = $survey_tree->surveylist;
$list = [];
foreach ($last_version_surveys as &$survey) {
$list[] = $survey['id'];
}
if (count($list) > 0) {
$list_condition = " AND survey.survey_id IN (".implode(',', $list).") ";
} else {
$list_condition = '';
}
$from = (int) $from;
$number_of_items = (int) $number_of_items;
$column = (int) $column;
if (!in_array(strtolower($direction), ['asc', 'desc'])) {
$direction = 'asc';
}
$table_survey = Database::get_course_table(TABLE_SURVEY);
$table_survey_question = Database::get_course_table(TABLE_SURVEY_QUESTION);
$table_user = Database::get_main_table(TABLE_MAIN_USER);
$course_id = api_get_course_int_id();
$efv = new ExtraFieldValue('survey');
$sql = "
SELECT
survey.survey_id AS col0,
survey.title AS col1,
survey.code AS col2,
count(survey_question.question_id) AS col3,
"
.(api_is_western_name_order()
? "CONCAT(user.firstname, ' ', user.lastname)"
: "CONCAT(user.lastname, ' ', user.firstname)")
." AS col4,
survey.avail_from AS col5,
survey.avail_till AS col6,
CONCAT('<a href=\"survey_invitation.php?view=answered&survey_id=',survey.survey_id,'\">',survey.answered,'</a> / <a href=\"survey_invitation.php?view=invited&survey_id=',survey.survey_id,'\">',survey.invited, '</a>') AS col7,
survey.anonymous AS col8,
survey.survey_id AS col9
FROM $table_survey survey
LEFT JOIN $table_survey_question survey_question
ON (survey.survey_id = survey_question.survey_id AND survey.c_id = survey_question.c_id),
$table_user user
WHERE survey.author = user.user_id AND survey.c_id = $course_id $list_condition
";
$sql .= ' GROUP BY survey.survey_id';
$sql .= " ORDER BY col$column $direction ";
$sql .= " LIMIT $from,$number_of_items";
$res = Database::query($sql);
$surveys = [];
while ($survey = Database::fetch_array($res)) {
$survey['col5'] = api_convert_and_format_date(
$survey['col5'],
$allowSurveyAvailabilityDatetime ? DATE_TIME_FORMAT_LONG : DATE_FORMAT_LONG
);
$survey['col6'] = api_convert_and_format_date(
$survey['col6'],
$allowSurveyAvailabilityDatetime ? DATE_TIME_FORMAT_LONG : DATE_FORMAT_LONG
);
if ($mandatoryAllowed) {
$survey['col10'] = $survey['col9'];
$efvMandatory = $efv->get_values_by_handler_and_field_variable(
$survey['col9'],
'is_mandatory'
);
$survey['col9'] = $efvMandatory['value'];
}
$surveys[] = $survey;
}
return $surveys;
}
/**
* Display all the active surveys for the given course user.
*
* @param int $user_id
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
*
* @version April 2007
*/
public static function getSurveyList($user_id)
{
$_course = api_get_course_info();
$course_id = $_course['real_id'];
$user_id = (int) $user_id;
$sessionId = api_get_session_id();
$mandatoryAllowed = api_get_configuration_value('allow_mandatory_survey');
$allowSurveyAvailabilityDatetime = api_get_configuration_value('allow_survey_availability_datetime');
// Database table definitions
$table_survey_invitation = Database::get_course_table(TABLE_SURVEY_INVITATION);
$table_survey = Database::get_course_table(TABLE_SURVEY);
echo '<table id="list-survey" class="table ">';
echo '<thead>';
echo '<tr>';
echo ' <th>'.get_lang('Survey name').'</th>';
echo ' <th class="text-center">'.get_lang('Anonymous').'</th>';
if ($mandatoryAllowed) {
echo '<th class="text-center">'.get_lang('Mandatory?').'</th>';
}
echo '</tr>';
echo '</thead>';
echo '<tbody>';
/** @var \DateTime $now */
$now = api_get_utc_datetime(null, false, true);
$filterDate = $allowSurveyAvailabilityDatetime ? $now->format('Y-m-d H:i') : $now->format('Y-m-d');
$sql = "SELECT survey_invitation.answered,
survey_invitation.invitation_code,
survey_invitation.session_id,
survey.title,
survey.visible_results,
survey.survey_id,
survey.anonymous
FROM $table_survey survey
INNER JOIN
$table_survey_invitation survey_invitation
ON (
survey.code = survey_invitation.survey_code AND
survey.c_id = survey_invitation.c_id AND
survey.session_id = survey_invitation.session_id
)
WHERE
survey_invitation.user = $user_id AND
survey.avail_from <= '$filterDate' AND
survey.avail_till >= '$filterDate' AND
survey.c_id = $course_id AND
survey.session_id = $sessionId AND
survey_invitation.c_id = $course_id
";
$result = Database::query($sql);
$efv = new ExtraFieldValue('survey');
$surveyIds = [];
while ($row = Database::fetch_array($result, 'ASSOC')) {
if (in_array($row['survey_id'], $surveyIds)) {
continue;
}
echo '<tr>';
if ($row['answered'] == 0) {
echo '<td>';
echo Display::return_icon(
'statistics.png',
get_lang('Create survey'),
[],
ICON_SIZE_TINY
);
$url = self::generateFillSurveyLink($row['invitation_code'], $_course, $row['session_id']);
echo '<a href="'.$url.'">
'.$row['title']
.'</a></td>';
} else {
$isDrhOfCourse = CourseManager::isUserSubscribedInCourseAsDrh(
$user_id,
$_course
);
$icon = Display::return_icon(
'statistics_na.png',
get_lang('Survey'),
[],
ICON_SIZE_TINY
);
$showLink = (!api_is_allowed_to_edit(false, true) || $isDrhOfCourse)
&& $row['visible_results'] != SURVEY_VISIBLE_TUTOR;
echo '<td>';
echo $showLink
? Display::url(
$icon.PHP_EOL.$row['title'],
api_get_path(WEB_CODE_PATH).'survey/reporting.php?'.api_get_cidreq().'&'.http_build_query([
'action' => 'questionreport',
'survey_id' => $row['survey_id'],
])
)
: $icon.PHP_EOL.$row['title'];
echo '</td>';
}
echo '<td class="text-center">';
echo ($row['anonymous'] == 1) ? get_lang('Yes') : get_lang('No');
echo '</td>';
if ($mandatoryAllowed) {
$efvMandatory = $efv->get_values_by_handler_and_field_variable(
$row['survey_id'],
'is_mandatory'
);
echo '<td class="text-center">'.($efvMandatory['value'] ? get_lang('Yes') : get_lang('No')).'</td>';
}
echo '</tr>';
$surveyIds[] = $row['survey_id'];
}
echo '</tbody>';
echo '</table>';
}
/**
* Creates a multi array with the user fields that we can show.
* We look the visibility with the api_get_setting function
* The username is always NOT able to change it.
*
* @author Julio Montoya Armas <gugli100@gmail.com>, Chamilo: Personality Test modification
*
* @return array array[value_name][name], array[value_name][visibilty]
*/
public static function make_field_list()
{
// LAST NAME and FIRST NAME
$field_list_array = [];
$field_list_array['lastname']['name'] = get_lang('Last name');
$field_list_array['firstname']['name'] = get_lang('First name');
if (api_get_setting('profile', 'name') != 'true') {
$field_list_array['firstname']['visibility'] = 0;
$field_list_array['lastname']['visibility'] = 0;
} else {
$field_list_array['firstname']['visibility'] = 1;
$field_list_array['lastname']['visibility'] = 1;
}
$field_list_array['username']['name'] = get_lang('Username');
$field_list_array['username']['visibility'] = 0;
// OFFICIAL CODE
$field_list_array['official_code']['name'] = get_lang('OfficialCourse code');
if (api_get_setting('profile', 'officialcode') != 'true') {
$field_list_array['official_code']['visibility'] = 1;
} else {
$field_list_array['official_code']['visibility'] = 0;
}
// EMAIL
$field_list_array['email']['name'] = get_lang('e-mail');
if (api_get_setting('profile', 'email') != 'true') {
$field_list_array['email']['visibility'] = 1;
} else {
$field_list_array['email']['visibility'] = 0;
}
// PHONE
$field_list_array['phone']['name'] = get_lang('Phone');
if (api_get_setting('profile', 'phone') != 'true') {
$field_list_array['phone']['visibility'] = 0;
} else {
$field_list_array['phone']['visibility'] = 1;
}
// LANGUAGE
$field_list_array['language']['name'] = get_lang('Language');
if (api_get_setting('profile', 'language') != 'true') {
$field_list_array['language']['visibility'] = 0;
} else {
$field_list_array['language']['visibility'] = 1;
}
// EXTRA FIELDS
$extra = UserManager::get_extra_fields(0, 50, 5, 'ASC');
foreach ($extra as $id => $field_details) {
if ($field_details[6] == 0) {
continue;
}
switch ($field_details[2]) {
case UserManager::USER_FIELD_TYPE_TEXT:
$field_list_array['extra_'.$field_details[1]]['name'] = $field_details[3];
if ($field_details[7] == 0) {
$field_list_array['extra_'.$field_details[1]]['visibility'] = 0;
} else {
$field_list_array['extra_'.$field_details[1]]['visibility'] = 1;
}
break;
case UserManager::USER_FIELD_TYPE_TEXTAREA:
$field_list_array['extra_'.$field_details[1]]['name'] = $field_details[3];
if ($field_details[7] == 0) {
$field_list_array['extra_'.$field_details[1]]['visibility'] = 0;
} else {
$field_list_array['extra_'.$field_details[1]]['visibility'] = 1;
}
break;
case UserManager::USER_FIELD_TYPE_RADIO:
$field_list_array['extra_'.$field_details[1]]['name'] = $field_details[3];
if ($field_details[7] == 0) {
$field_list_array['extra_'.$field_details[1]]['visibility'] = 0;
} else {
$field_list_array['extra_'.$field_details[1]]['visibility'] = 1;
}
break;
case UserManager::USER_FIELD_TYPE_SELECT:
$get_lang_variables = false;
if (in_array(
$field_details[1],
['mail_notify_message', 'mail_notify_invitation', 'mail_notify_group_message']
)
) {
$get_lang_variables = true;
}
if ($get_lang_variables) {
$field_list_array['extra_'.$field_details[1]]['name'] = get_lang($field_details[3]);
} else {
$field_list_array['extra_'.$field_details[1]]['name'] = $field_details[3];
}
if ($field_details[7] == 0) {
$field_list_array['extra_'.$field_details[1]]['visibility'] = 0;
} else {
$field_list_array['extra_'.$field_details[1]]['visibility'] = 1;
}
break;
case UserManager::USER_FIELD_TYPE_SELECT_MULTIPLE:
$field_list_array['extra_'.$field_details[1]]['name'] = $field_details[3];
if ($field_details[7] == 0) {
$field_list_array['extra_'.$field_details[1]]['visibility'] = 0;
} else {
$field_list_array['extra_'.$field_details[1]]['visibility'] = 1;
}
break;
case UserManager::USER_FIELD_TYPE_DATE:
$field_list_array['extra_'.$field_details[1]]['name'] = $field_details[3];
if ($field_details[7] == 0) {
$field_list_array['extra_'.$field_details[1]]['visibility'] = 0;
} else {
$field_list_array['extra_'.$field_details[1]]['visibility'] = 1;
}
break;
case UserManager::USER_FIELD_TYPE_DATETIME:
$field_list_array['extra_'.$field_details[1]]['name'] = $field_details[3];
if ($field_details[7] == 0) {
$field_list_array['extra_'.$field_details[1]]['visibility'] = 0;
} else {
$field_list_array['extra_'.$field_details[1]]['visibility'] = 1;
}
break;
case UserManager::USER_FIELD_TYPE_DOUBLE_SELECT:
$field_list_array['extra_'.$field_details[1]]['name'] = $field_details[3];
if ($field_details[7] == 0) {
$field_list_array['extra_'.$field_details[1]]['visibility'] = 0;
} else {
$field_list_array['extra_'.$field_details[1]]['visibility'] = 1;
}
break;
case UserManager::USER_FIELD_TYPE_DIVIDER:
//$form->addElement('static',$field_details[1], '<br /><strong>'.$field_details[3].'</strong>');
break;
}
}
return $field_list_array;
}
/**
* Display survey question chart.
*
* @param array $chartData
* @param bool $hasSerie Tells if the chart has a serie. False by default
* @param string $chartContainerId
*
* @return string (direct output)
*/
public static function drawChart(
$chartData,
$hasSerie = false,
$chartContainerId = 'chartContainer'
) {
$htmlChart = '';
if (api_browser_support('svg')) {
$htmlChart .= api_get_js('d3/d3.v3.5.4.min.js');
$htmlChart .= api_get_js('dimple.v2.1.2.min.js').'
<script>
var svg = dimple.newSvg("#'.$chartContainerId.'", "100%", 400);
var data = [';
$serie = [];
$order = [];
foreach ($chartData as $chartDataElement) {
$htmlChart .= '{"';
if (!$hasSerie) {
$htmlChart .= get_lang("Option").'":"'.$chartDataElement['option'].'", "';
array_push($order, $chartDataElement['option']);
} else {
if (!is_array($chartDataElement['serie'])) {
$htmlChart .= get_lang("Option").'":"'.$chartDataElement['serie'].'", "'.
get_lang("Score").'":"'.$chartDataElement['option'].'", "';
array_push($serie, $chartDataElement['serie']);
} else {
$htmlChart .= get_lang("Serie").'":"'.$chartDataElement['serie'][0].'", "'.
get_lang("Option").'":"'.$chartDataElement['serie'][1].'", "'.
get_lang("Score").'":"'.$chartDataElement['option'].'", "';
}
}
$htmlChart .= get_lang("Votes").'":"'.$chartDataElement['votes'].
'"},';
}
rtrim($htmlChart, ",");
$htmlChart .= '];
var myChart = new dimple.chart(svg, data);
myChart.addMeasureAxis("y", "'.get_lang("Votes").'");';
if (!$hasSerie) {
$htmlChart .= 'var xAxisCategory = myChart.addCategoryAxis("x", "'.get_lang("Option").'");
xAxisCategory.addOrderRule('.json_encode($order).');
myChart.addSeries("'.get_lang("Option").'", dimple.plot.bar);';
} else {
if (!is_array($chartDataElement['serie'])) {
$serie = array_values(array_unique($serie));
$htmlChart .= 'var xAxisCategory = myChart.addCategoryAxis("x", ["'.get_lang("Option").'","'
.get_lang("Score").'"]);
xAxisCategory.addOrderRule('.json_encode($serie).');
xAxisCategory.addGroupOrderRule("'.get_lang("Score").'");
myChart.addSeries("'.get_lang("Option").'", dimple.plot.bar);';
} else {
$htmlChart .= 'myChart.addCategoryAxis("x", ["'.get_lang("Option").'","'.get_lang("Score").'"]);
myChart.addSeries("'.get_lang("Serie").'", dimple.plot.bar);';
}
}
$htmlChart .= 'myChart.draw();
</script>';
}
return $htmlChart;
}
/**
* Set a flag to the current survey as answered by the current user.
*
* @param string $surveyCode The survey code
* @param int $courseId The course ID
*/
public static function flagSurveyAsAnswered($surveyCode, $courseId)
{
$currentUserId = api_get_user_id();
$flag = sprintf('%s-%s-%d', $courseId, $surveyCode, $currentUserId);
if (!isset($_SESSION['filled_surveys'])) {
$_SESSION['filled_surveys'] = [];
}
$_SESSION['filled_surveys'][] = $flag;
}
/**
* Check whether a survey was answered by the current user.
*
* @param string $surveyCode The survey code
* @param int $courseId The course ID
*
* @return bool
*/
public static function isSurveyAnsweredFlagged($surveyCode, $courseId)
{
$currentUserId = api_get_user_id();
$flagToCheck = sprintf('%s-%s-%d', $courseId, $surveyCode, $currentUserId);
if (!isset($_SESSION['filled_surveys'])) {
return false;
}
if (!is_array($_SESSION['filled_surveys'])) {
return false;
}
foreach ($_SESSION['filled_surveys'] as $flag) {
if ($flagToCheck != $flag) {
continue;
}
return true;
}
return false;
}
/**
* Check if the current survey has answers.
*
* @param int $surveyId
*
* @return bool return true if the survey has answers, false otherwise
*/
public static function checkIfSurveyHasAnswers($surveyId)
{
$tableSurveyAnswer = Database::get_course_table(TABLE_SURVEY_ANSWER);
$courseId = api_get_course_int_id();
$surveyId = (int) $surveyId;
if (empty($courseId) || empty($surveyId)) {
return false;
}
$sql = "SELECT * FROM $tableSurveyAnswer
WHERE
c_id = $courseId AND
survey_id = '".$surveyId."'
ORDER BY answer_id, user ASC";
$result = Database::query($sql);
$response = Database::affected_rows($result);
return $response > 0;
}
/**
* Get the pending surveys for a user.
*
* @param int $userId
*
* @return array
*/
public static function getUserPendingInvitations($userId)
{
$now = api_get_utc_datetime(null, false, true);
$dql = "
SELECT s, si FROM ChamiloCourseBundle:CSurvey s
INNER JOIN ChamiloCourseBundle:CSurveyInvitation si
WITH (s.code = si.surveyCode AND s.cId = si.cId AND s.sessionId = si.sessionId )
WHERE
si.user = :user_id AND
s.availFrom <= :now AND
s.availTill >= :now AND
si.answered = 0
ORDER BY s.availTill ASC
";
$pendingSurveys = Database::getManager()
->createQuery($dql)
->setParameters(['user_id' => $userId, 'now' => $now->format('Y-m-d')])
->getResult();
return $pendingSurveys;
}
/**
* @param string $surveyCode
* @param int $courseId
* @param int $sessionId
*
* @return array
*/
public static function getSentInvitations($surveyCode, $courseId, $sessionId = 0)
{
$tblUser = Database::get_main_table(TABLE_MAIN_USER);
$tblSurveyInvitation = Database::get_course_table(TABLE_SURVEY_INVITATION);
$sessionCondition = api_get_session_condition($sessionId);
$surveyCode = Database::escape_string($surveyCode);
$courseId = (int) $courseId;
$sql = "SELECT survey_invitation.*, user.firstname, user.lastname, user.email
FROM $tblSurveyInvitation survey_invitation
LEFT JOIN $tblUser user
ON (survey_invitation.user = user.id AND survey_invitation.c_id = $courseId)
WHERE
survey_invitation.survey_code = '$surveyCode'
AND survey_invitation.c_id = $courseId
$sessionCondition";
$query = Database::query($sql);
return Database::store_result($query);
}
/**
* @param string $code invitation code
* @param array $courseInfo
* @param int $sessionId
* @param string $surveyCode
*
* @return string
*/
public static function generateFillSurveyLink($code, $courseInfo, $sessionId, $surveyCode = '')
{
$code = Security::remove_XSS($code);
$sessionId = (int) $sessionId;
if (empty($courseInfo)) {
return '';
}
$params = [
'invitationcode' => $code,
'cidReq' => $courseInfo['code'],
'course' => $courseInfo['code'],
'id_session' => $sessionId,
];
if (!empty($surveyCode)) {
$params['scode'] = Security::remove_XSS($surveyCode);
}
return api_get_path(WEB_CODE_PATH).'survey/fillsurvey.php?'.http_build_query($params);
}
}