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262
main/exercise/hotpotatoes.php
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262
main/exercise/hotpotatoes.php
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<?php
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/* For licensing terms, see /license.txt */
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/**
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* Code for HotPotatoes integration.
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*
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* @package chamilo.exercise
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*
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* @author Istvan Mandak (original author)
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*/
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require_once __DIR__.'/../inc/global.inc.php';
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api_protect_course_script(true);
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require_once 'hotpotatoes.lib.php';
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// Section (for the tabs).
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$this_section = SECTION_COURSES;
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$_course = api_get_course_info();
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// Access restriction: only teachers are allowed here.
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if (!api_is_allowed_to_edit(null, true)) {
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api_not_allowed();
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}
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if (api_is_in_gradebook()) {
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$interbreadcrumb[] = [
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'url' => Category::getUrl(),
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'name' => get_lang('ToolGradebook'),
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];
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}
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// The breadcrumbs.
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$interbreadcrumb[] = [
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'url' => api_get_path(WEB_CODE_PATH).'exercise/exercise.php?'.api_get_cidreq(),
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'name' => get_lang('Exercises'),
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];
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$is_allowedToEdit = api_is_allowed_to_edit(null, true);
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// Database table definitions.
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$dbTable = Database::get_course_table(TABLE_DOCUMENT);
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$course_id = $_course['real_id'];
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$sessionId = api_get_session_id();
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// Setting some variables.
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$document_sys_path = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document';
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$uploadPath = '/HotPotatoes_files';
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$finish = (!empty($_POST['finish']) ? $_POST['finish'] : 0);
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$imgcount = (!empty($_POST['imgcount']) ? $_POST['imgcount'] : null);
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$fld = (!empty($_POST['fld']) ? $_POST['fld'] : null);
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$imgparams = [];
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$dialogBox = '';
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if ($finish == 2 && isset($_POST['imgparams'])) {
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$imgparams = $_POST['imgparams'];
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}
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// If user is allowed to edit...
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if (api_is_allowed_to_edit(null, true)) {
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if (hotpotatoes_init($document_sys_path.$uploadPath)) {
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// If the directory doesn't exist, create the "HotPotatoes" directory.
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$doc_id = add_document(
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$_course,
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'/HotPotatoes_files',
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'folder',
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0,
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get_lang('HotPotatoesFiles')
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);
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// Update properties in dbase (in any case).
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api_item_property_update(
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$_course,
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TOOL_DOCUMENT,
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$doc_id,
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'FolderCreated',
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api_get_user_id()
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);
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// Make invisible (in any case) - why?
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api_item_property_update(
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$_course,
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TOOL_DOCUMENT,
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$doc_id,
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'invisible',
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api_get_user_id()
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);
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}
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}
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/** Display */
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$nameTools = get_lang('HotPotatoesTests');
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$form = new FormValidator(
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'hotpotatoes',
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'post',
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api_get_self()."?".api_get_cidreq(),
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null,
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['enctype' => 'multipart/form-data']
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);
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$form->addElement('header', $nameTools);
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$form->addElement('hidden', 'uploadPath');
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$form->addElement('hidden', 'fld', $fld);
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$form->addElement('hidden', 'imgcount', $imgcount);
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$form->addElement('hidden', 'finish', $finish);
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$form->addElement('html', GenerateHiddenList($imgparams));
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$form->addElement('label', '', Display::return_icon('hotpotatoes.jpg', 'HotPotatoes'));
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$label = get_lang('DownloadImg').' : ';
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if ($finish == 0) {
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$label = get_lang('DownloadFile').' : ';
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}
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$form->addElement('file', 'userFile', $label);
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$form->addButtonSend(get_lang('SendFile'));
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// If finish is set; it's because the user came from this script in the first place (displaying hidden "finish" field).
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if ((api_is_allowed_to_edit(null, true)) && (($finish == 0) || ($finish == 2))) {
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// Moved this down here as the upload handling functions give output.
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if ($form->validate()) {
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// Initialise $finish
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if (!isset($finish)) {
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$finish = 0;
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}
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//if the size is not defined, it's probably because there has been an error or no file was submitted
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if (!$_FILES['userFile']['size']) {
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$dialogBox .= get_lang('SendFileError').'<br />'.get_lang('Notice').' : '.get_lang('MaxFileSize').' '.ini_get('upload_max_filesize');
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} else {
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$unzip = 0;
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if (preg_match('/\.zip$/i', $_FILES['userFile']['name'])) {
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//if it's a zip, allow zip upload
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$unzip = 1;
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}
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$filename = api_replace_dangerous_char(trim($_FILES['userFile']['name']));
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if ($finish == 0) {
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// Generate new test folder if on first step of file upload.
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$fld = GenerateHpFolder($document_sys_path.$uploadPath.'/');
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@mkdir($document_sys_path.$uploadPath.'/'.$fld, api_get_permissions_for_new_directories());
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$doc_id = add_document($_course, '/HotPotatoes_files/'.$fld, 'folder', 0, $fld);
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api_item_property_update(
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$_course,
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TOOL_DOCUMENT,
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$doc_id,
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'FolderCreated',
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api_get_user_id()
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);
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}
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$allow_output_on_success = false;
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if (handle_uploaded_document(
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$_course,
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$_FILES['userFile'],
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$document_sys_path,
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$uploadPath.'/'.$fld,
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api_get_user_id(),
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null,
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null,
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$unzip,
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'',
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$allow_output_on_success
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)) {
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if ($finish == 2) {
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$imgparams = $_POST['imgparams'];
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$checked = CheckImageName($imgparams, $filename);
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if ($checked) {
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$imgcount = $imgcount - 1;
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} else {
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$dialogBox .= $filename.' '.get_lang('NameNotEqual');
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my_delete($document_sys_path.$uploadPath.'/'.$fld.'/'.$filename);
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DocumentManager::updateDbInfo('delete', $uploadPath.'/'.$fld.'/'.$filename);
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}
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if ($imgcount == 0) { // all image uploaded
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$finish = 1;
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}
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} else {
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// If we are (still) on the first step of the upload process.
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if ($finish == 0) {
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$finish = 2;
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// Get number and name of images from the files contents.
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GetImgParams('/'.$filename, $document_sys_path.$uploadPath.'/'.$fld, $imgparams, $imgcount);
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if ($imgcount == 0) {
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// There is no img link, so finish the upload process.
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$finish = 1;
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} else {
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// There is still one or more img missing.
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$dialogBox .= get_lang('DownloadEnd');
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}
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}
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}
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// Set the HotPotatoes title in the document record's "comment" field
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$title = @htmlspecialchars(
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GetQuizName(
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$filename,
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$document_sys_path.$uploadPath.'/'.$fld.'/'
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),
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ENT_COMPAT,
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api_get_system_encoding()
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);
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$sessionAnd = ' AND session_id IS NULL ';
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if ($sessionId) {
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$sessionAnd = " AND session_id = $sessionId ";
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}
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$path = $uploadPath.'/'.$fld.'/'.$filename;
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// Find the proper record
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$select = "SELECT iid FROM $dbTable
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WHERE c_id = $course_id
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$sessionAnd
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AND path = '".Database::escape_string($path)."'";
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$query = Database::query($select);
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if (Database::num_rows($query)) {
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$row = Database::fetch_array($query);
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// Update the record with the 'comment' (HP title)
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Database::update(
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$dbTable,
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['comment' => $title],
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['iid = ?' => $row['iid']]
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);
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// Mark the addition of the HP quiz in the item_property table
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api_item_property_update(
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$_course,
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TOOL_QUIZ,
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$row['iid'],
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'QuizAdded',
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api_get_user_id()
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);
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}
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} else {
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$finish = 0;
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}
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}
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}
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if ($finish == 1) {
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/** ok -> send to main exercises page */
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header('Location: exercise.php?'.api_get_cidreq());
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exit;
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}
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Display::display_header($nameTools, 'Exercise');
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echo '<div class="actions">';
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echo '<a href="exercise.php?show=test">'.
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Display::return_icon('back.png', get_lang('BackToExercisesList'), '', ICON_SIZE_MEDIUM).
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'</a>';
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echo '</div>';
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if ($finish == 2) {
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// If we are in the img upload process.
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$dialogBox .= get_lang('ImgNote_st').$imgcount.get_lang('ImgNote_en').'<br />';
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foreach ($imgparams as $key => $string) {
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$dialogBox .= $string.'; ';
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}
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}
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if ($dialogBox) {
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echo Display::return_message($dialogBox, 'normal', false);
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}
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$form->display();
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}
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// Display the footer.
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Display::display_footer();
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