You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
95 lines
3.6 KiB
95 lines
3.6 KiB
<?php
|
|
/* For licensing terms, see /license.txt */
|
|
|
|
/**
|
|
* @package chamilo.survey
|
|
* @author Arnaud Ligot <arnaud@cblue.be>
|
|
* @version $Id: $
|
|
*
|
|
* A small peace of code to enable user to access images included into survey
|
|
* which are accessible by non authenticated users. This file is included
|
|
* by document/download.php
|
|
*/
|
|
|
|
function check_download_survey($course, $invitation, $doc_url) {
|
|
|
|
require_once 'survey.lib.php';
|
|
|
|
// Getting all the course information
|
|
$_course = CourseManager::get_course_information($course);
|
|
$course_id = $_course['real_id'];
|
|
|
|
// Database table definitions
|
|
$table_survey = Database :: get_course_table(TABLE_SURVEY);
|
|
$table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
|
|
$table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
|
|
$table_survey_invitation = Database :: get_course_table(TABLE_SURVEY_INVITATION);
|
|
|
|
// Now we check if the invitationcode is valid
|
|
$sql = "SELECT * FROM $table_survey_invitation WHERE c_id = $course_id AND invitation_code = '".Database::escape_string($invitation)."'";
|
|
$result = Database::query($sql);
|
|
if (Database::num_rows($result) < 1) {
|
|
Display :: display_error_message(get_lang('WrongInvitationCode'), false);
|
|
Display :: display_footer();
|
|
exit;
|
|
}
|
|
$survey_invitation = Database::fetch_assoc($result);
|
|
|
|
// Now we check if the user already filled the survey
|
|
if ($survey_invitation['answered'] == 1) {
|
|
Display :: display_error_message(get_lang('YouAlreadyFilledThisSurvey'), false);
|
|
Display :: display_footer();
|
|
exit;
|
|
}
|
|
|
|
// Very basic security check: check if a text field from a survey/answer/option contains the name of the document requested
|
|
|
|
// Fetch survey ID
|
|
|
|
// If this is the case there will be a language choice
|
|
$sql = "SELECT * FROM $table_survey WHERE c_id = $course_id AND code='".Database::escape_string($survey_invitation['survey_code'])."'";
|
|
$result = Database::query($sql);
|
|
if (Database::num_rows($result) > 1) {
|
|
if ($_POST['language']) {
|
|
$survey_invitation['survey_id'] = $_POST['language'];
|
|
} else {
|
|
echo '<form id="language" name="language" method="POST" action="'.api_get_self().'?course='.$_GET['course'].'&invitationcode='.$_GET['invitationcode'].'">';
|
|
echo ' <select name="language">';
|
|
while ($row = Database::fetch_assoc($result)) {
|
|
echo '<option value="'.$row['survey_id'].'">'.$row['lang'].'</option>';
|
|
}
|
|
echo '</select>';
|
|
echo ' <input type="submit" name="Submit" value="'.get_lang('Ok').'" />';
|
|
echo '</form>';
|
|
display::display_footer();
|
|
exit;
|
|
}
|
|
} else {
|
|
$row = Database::fetch_assoc($result);
|
|
$survey_invitation['survey_id'] = $row['survey_id'];
|
|
}
|
|
|
|
$sql = "SELECT count(*) FROM $table_survey WHERE c_id = $course_id AND survey_id = ".$survey_invitation['survey_id']."
|
|
and (
|
|
title LIKE '%$doc_url%'
|
|
or subtitle LIKE '%$doc_url%'
|
|
or intro LIKE '%$doc_url%'
|
|
or surveythanks LIKE '%$doc_url%'
|
|
)
|
|
union select count(*) from $table_survey_question where c_id = $course_id AND survey_id = ".$survey_invitation['survey_id']."
|
|
and (
|
|
survey_question LIKE '%$doc_url%'
|
|
or survey_question_comment LIKE '%$doc_url%'
|
|
)
|
|
union select count(*) from $table_survey_question_option where c_id = $course_id AND survey_id = ".$survey_invitation['survey_id']."
|
|
and (
|
|
option_text LIKE '%$doc_url%'
|
|
)";
|
|
$result = Database::query($sql);
|
|
if (Database::num_rows($result) == 0) {
|
|
Display :: display_error_message(get_lang('WrongInvitationCode'), false);
|
|
Display :: display_footer();
|
|
exit;
|
|
}
|
|
return $_course;
|
|
} |