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1040 lines
42 KiB
1040 lines
42 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* Class MoodleImport
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*
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* @author José Loguercio <jose.loguercio@beeznest.com>,
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* @author Julio Montoya <gugli100@gmail.com>
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*
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* @package chamilo.library
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*/
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class MoodleImport
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{
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/**
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* Import moodle file
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*
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* @param resource $uploadedFile *.* mbz file moodle course backup
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* @return bool
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*/
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public function import($uploadedFile)
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{
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$file = $uploadedFile['tmp_name'];
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if (is_file($file) && is_readable($file)) {
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$package = new PclZip($file);
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$packageContent = $package->listContent();
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$mainFileKey = 0;
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foreach ($packageContent as $index => $value) {
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if ($value['filename'] == 'moodle_backup.xml') {
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$mainFileKey = $index;
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break;
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}
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}
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if (!$mainFileKey) {
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Display::addFlash(
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Display::return_message(
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get_lang('FailedToImportThisIsNotAMoodleFile'),
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'error'
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)
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);
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}
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$folder = api_get_unique_id();
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$destinationDir = api_get_path(SYS_ARCHIVE_PATH).$folder;
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$coursePath = api_get_course_path();
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$sessionId = api_get_session_id();
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$groupId = api_get_group_id();
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$documentPath = api_get_path(SYS_COURSE_PATH).$coursePath.'/document';
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$courseInfo = api_get_course_info();
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mkdir($destinationDir, api_get_permissions_for_new_directories(), true);
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create_unexisting_directory(
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$courseInfo,
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api_get_user_id(),
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$sessionId,
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$groupId,
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null,
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$documentPath,
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'/moodle',
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'Moodle Docs',
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0
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);
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$package->extract(
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PCLZIP_OPT_PATH,
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$destinationDir
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);
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// This process will upload all question resource files
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$filesXml = @file_get_contents($destinationDir.'/files.xml');
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$mainFileModuleValues = $this->getAllQuestionFiles($filesXml);
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$currentResourceFilePath = $destinationDir.'/files/';
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$importedFiles = [];
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foreach ($mainFileModuleValues as $fileInfo) {
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$dirs = new RecursiveDirectoryIterator($currentResourceFilePath);
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foreach (new RecursiveIteratorIterator($dirs) as $file) {
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if (is_file($file) && strpos($file, $fileInfo['contenthash']) !== false) {
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$files = [];
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$files['file']['name'] = $fileInfo['filename'];
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$files['file']['tmp_name'] = $file->getPathname();
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$files['file']['type'] = $fileInfo['mimetype'];
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$files['file']['error'] = 0;
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$files['file']['size'] = $fileInfo['filesize'];
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$files['file']['from_file'] = true;
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$files['file']['move_file'] = true;
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$_POST['language'] = $courseInfo['language'];
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$_POST['moodle_import'] = true;
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$data = DocumentManager::upload_document(
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$files,
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'/moodle',
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isset($fileInfo['title']) ? $fileInfo['title'] : pathinfo($fileInfo['filename'], PATHINFO_FILENAME),
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'',
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null,
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null,
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true,
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true,
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'file',
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// This is to validate spaces as hyphens
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false
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);
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if ($data) {
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$importedFiles[$fileInfo['filename']] = basename($data['path']);
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}
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}
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}
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}
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$xml = @file_get_contents($destinationDir.'/moodle_backup.xml');
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$doc = new DOMDocument();
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$res = @$doc->loadXML($xml);
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if ($res) {
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$activities = $doc->getElementsByTagName('activity');
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foreach ($activities as $activity) {
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if ($activity->childNodes->length) {
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$currentItem = [];
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foreach ($activity->childNodes as $item) {
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$currentItem[$item->nodeName] = $item->nodeValue;
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}
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$moduleName = isset($currentItem['modulename']) ? $currentItem['modulename'] : false;
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switch ($moduleName) {
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case 'forum':
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require_once '../forum/forumfunction.inc.php';
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$catForumValues = [];
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// Read the current forum module xml.
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$moduleDir = $currentItem['directory'];
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$moduleXml = @file_get_contents($destinationDir.'/'.$moduleDir.'/'.$moduleName.'.xml');
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$moduleValues = $this->readForumModule($moduleXml);
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// Create a Forum category based on Moodle forum type.
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$catForumValues['forum_category_title'] = $moduleValues['type'];
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$catForumValues['forum_category_comment'] = '';
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$catId = store_forumcategory($catForumValues, $courseInfo, false);
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$forumValues = [];
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$forumValues['forum_title'] = $moduleValues['name'];
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$forumValues['forum_image'] = '';
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$forumValues['forum_comment'] = $moduleValues['intro'];
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$forumValues['forum_category'] = $catId;
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$forumValues['moderated'] = 0;
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store_forum($forumValues, $courseInfo);
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break;
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case 'quiz':
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// Read the current quiz module xml.
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// The quiz case is the very complicate process of all the import.
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// Please if you want to review the script, try to see the readingXML functions.
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// The readingXML functions in this clases do all the mayor work here.
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$moduleDir = $currentItem['directory'];
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$moduleXml = @file_get_contents($destinationDir.'/'.$moduleDir.'/'.$moduleName.'.xml');
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$questionsXml = @file_get_contents($destinationDir.'/questions.xml');
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$moduleValues = $this->readQuizModule($moduleXml);
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// At this point we got all the prepared resources from Moodle file
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// $moduleValues variable contains all the necesary info to the quiz import
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// var_dump($moduleValues); // <-- uncomment this to see the final array
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$exercise = new Exercise($courseInfo['real_id']);
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$title = Exercise::format_title_variable($moduleValues['name']);
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$exercise->updateTitle($title);
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$exercise->updateDescription($moduleValues['intro']);
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$exercise->updateAttempts($moduleValues['attempts_number']);
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$exercise->updateFeedbackType(0);
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// Match shuffle question with chamilo
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switch ($moduleValues['shufflequestions']) {
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case '0':
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$exercise->setRandom(0);
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break;
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case '1':
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$exercise->setRandom(-1);
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break;
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default:
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$exercise->setRandom(0);
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}
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$exercise->updateRandomAnswers($moduleValues['shuffleanswers']);
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// @todo divide to minutes
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$exercise->updateExpiredTime($moduleValues['timelimit']);
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if ($moduleValues['questionsperpage'] == 1) {
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$exercise->updateType(2);
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} else {
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$exercise->updateType(1);
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}
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// Create the new Quiz
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$exercise->save();
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// Ok, we got the Quiz and create it, now its time to add the Questions
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foreach ($moduleValues['question_instances'] as $index => $question) {
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$questionsValues = $this->readMainQuestionsXml($questionsXml, $question['questionid']);
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$moduleValues['question_instances'][$index] = $questionsValues;
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// Set Question Type from Moodle XML element <qtype>
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$qType = $moduleValues['question_instances'][$index]['qtype'];
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// Add the matched chamilo question type to the array
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$moduleValues['question_instances'][$index]['chamilo_qtype'] = $this->matchMoodleChamiloQuestionTypes($qType);
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$questionInstance = Question::getInstance($moduleValues['question_instances'][$index]['chamilo_qtype']);
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if ($questionInstance) {
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$questionInstance->updateTitle($moduleValues['question_instances'][$index]['name']);
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$questionText = $moduleValues['question_instances'][$index]['questiontext'];
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// Replace the path from @@PLUGINFILE@@ to a correct chamilo path
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$questionText = str_replace(
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'@@PLUGINFILE@@',
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'/courses/'.$coursePath.'/document/moodle',
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$questionText
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);
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if ($importedFiles) {
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$this->fixPathInText($importedFiles, $questionText);
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}
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$questionInstance->updateDescription($questionText);
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$questionInstance->updateLevel(1);
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$questionInstance->updateCategory(0);
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//Save normal question if NOT media
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if ($questionInstance->type != MEDIA_QUESTION) {
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$questionInstance->save($exercise->id);
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// modify the exercise
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$exercise->addToList($questionInstance->id);
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$exercise->update_question_positions();
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}
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$questionList = $moduleValues['question_instances'][$index]['plugin_qtype_'.$qType.'_question'];
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$currentQuestion = $moduleValues['question_instances'][$index];
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$this->processAnswers(
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$questionList,
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$qType,
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$questionInstance,
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$currentQuestion,
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$importedFiles
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);
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}
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}
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break;
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case 'resource':
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// Read the current resource module xml.
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$moduleDir = $currentItem['directory'];
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$moduleXml = @file_get_contents($destinationDir.'/'.$moduleDir.'/'.$moduleName.'.xml');
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$filesXml = @file_get_contents($destinationDir.'/files.xml');
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$moduleValues = $this->readResourceModule($moduleXml);
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$mainFileModuleValues = $this->readMainFilesXml($filesXml, $moduleValues['contextid']);
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$fileInfo = array_merge($moduleValues, $mainFileModuleValues, $currentItem);
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$currentResourceFilePath = $destinationDir.'/files/';
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$dirs = new RecursiveDirectoryIterator($currentResourceFilePath);
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foreach (new RecursiveIteratorIterator($dirs) as $file) {
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if (is_file($file) && strpos($file, $fileInfo['contenthash']) !== false) {
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$files = [];
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$files['file']['name'] = $fileInfo['filename'];
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$files['file']['tmp_name'] = $file->getPathname();
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$files['file']['type'] = $fileInfo['mimetype'];
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$files['file']['error'] = 0;
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$files['file']['size'] = $fileInfo['filesize'];
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$files['file']['from_file'] = true;
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$files['file']['move_file'] = true;
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$_POST['language'] = $courseInfo['language'];
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$_POST['moodle_import'] = true;
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DocumentManager::upload_document(
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$files,
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'/moodle',
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$fileInfo['title'],
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'',
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null,
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null,
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true,
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true
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);
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}
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}
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break;
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case 'url':
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// Read the current url module xml.
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$moduleDir = $currentItem['directory'];
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$moduleXml = @file_get_contents($destinationDir.'/'.$moduleDir.'/'.$moduleName.'.xml');
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$moduleValues = $this->readUrlModule($moduleXml);
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$_POST['title'] = $moduleValues['name'];
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$_POST['url'] = $moduleValues['externalurl'];
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$_POST['description'] = $moduleValues['intro'];
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$_POST['category_id'] = 0;
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$_POST['target'] = '_blank';
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Link::addlinkcategory("link");
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break;
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}
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}
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}
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} else {
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removeDir($destinationDir);
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return false;
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}
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} else {
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return false;
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}
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removeDir($destinationDir);
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return $packageContent[$mainFileKey];
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}
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/**
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* Read and validate the forum module XML
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*
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* @param resource $moduleXml XML file
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* @return mixed | array if is a valid xml file, false otherwise
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*/
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public function readForumModule($moduleXml)
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{
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$moduleDoc = new DOMDocument();
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$moduleRes = @$moduleDoc->loadXML($moduleXml);
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if ($moduleRes) {
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$activities = $moduleDoc->getElementsByTagName('forum');
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$currentItem = [];
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foreach ($activities as $activity) {
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if ($activity->childNodes->length) {
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foreach ($activity->childNodes as $item) {
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$currentItem[$item->nodeName] = $item->nodeValue;
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}
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}
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}
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return $currentItem;
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}
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return false;
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}
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/**
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* Read and validate the resource module XML
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*
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* @param resource $moduleXml XML file
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* @return mixed | array if is a valid xml file, false otherwise
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*/
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public function readResourceModule($moduleXml)
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{
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$moduleDoc = new DOMDocument();
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$moduleRes = @$moduleDoc->loadXML($moduleXml);
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if ($moduleRes) {
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$activities = $moduleDoc->getElementsByTagName('resource');
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$mainActivity = $moduleDoc->getElementsByTagName('activity');
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$contextId = $mainActivity->item(0)->getAttribute('contextid');
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$currentItem = [];
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foreach ($activities as $activity) {
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if ($activity->childNodes->length) {
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foreach ($activity->childNodes as $item) {
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$currentItem[$item->nodeName] = $item->nodeValue;
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}
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}
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}
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$currentItem['contextid'] = $contextId;
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return $currentItem;
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}
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return false;
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}
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/**
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* Read and validate the url module XML
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*
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* @param resource $moduleXml XML file
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* @return mixed | array if is a valid xml file, false otherwise
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*/
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public function readUrlModule($moduleXml)
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{
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$moduleDoc = new DOMDocument();
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$moduleRes = @$moduleDoc->loadXML($moduleXml);
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if ($moduleRes) {
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$activities = $moduleDoc->getElementsByTagName('url');
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$currentItem = [];
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foreach ($activities as $activity) {
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if ($activity->childNodes->length) {
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foreach ($activity->childNodes as $item) {
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$currentItem[$item->nodeName] = $item->nodeValue;
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}
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}
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}
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return $currentItem;
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}
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return false;
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}
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/**
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* Read and validate the quiz module XML
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*
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* @param resource $moduleXml XML file
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* @return mixed | array if is a valid xml file, false otherwise
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*/
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public function readQuizModule($moduleXml)
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{
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$moduleDoc = new DOMDocument();
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$moduleRes = @$moduleDoc->loadXML($moduleXml);
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if ($moduleRes) {
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$activities = $moduleDoc->getElementsByTagName('quiz');
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$currentItem = [];
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foreach ($activities as $activity) {
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if ($activity->childNodes->length) {
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foreach ($activity->childNodes as $item) {
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$currentItem[$item->nodeName] = $item->nodeValue;
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}
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}
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}
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$questions = $moduleDoc->getElementsByTagName('question_instance');
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$questionList = [];
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$counter = 0;
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foreach ($questions as $question) {
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if ($question->childNodes->length) {
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foreach ($question->childNodes as $item) {
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$questionList[$counter][$item->nodeName] = $item->nodeValue;
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}
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$counter++;
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}
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}
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$currentItem['question_instances'] = $questionList;
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return $currentItem;
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}
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return false;
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}
|
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|
|
/**
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* Search the current file resource in main Files XML
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*
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* @param resource $filesXml XML file
|
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* @param int $contextId
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* @return mixed | array if is a valid xml file, false otherwise
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*/
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public function readMainFilesXml($filesXml, $contextId)
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{
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$moduleDoc = new DOMDocument();
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$moduleRes = @$moduleDoc->loadXML($filesXml);
|
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if ($moduleRes) {
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$activities = $moduleDoc->getElementsByTagName('file');
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$currentItem = [];
|
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foreach ($activities as $activity) {
|
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if ($activity->childNodes->length) {
|
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$isThisItemThatIWant = false;
|
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foreach ($activity->childNodes as $item) {
|
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if (!$isThisItemThatIWant && $item->nodeName == 'contenthash') {
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$currentItem['contenthash'] = $item->nodeValue;
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}
|
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if ($item->nodeName == 'contextid' && intval($item->nodeValue) == intval($contextId) && !$isThisItemThatIWant) {
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$isThisItemThatIWant = true;
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continue;
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}
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if ($isThisItemThatIWant && $item->nodeName == 'filename') {
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$currentItem['filename'] = $item->nodeValue;
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}
|
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|
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if ($isThisItemThatIWant && $item->nodeName == 'filesize') {
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$currentItem['filesize'] = $item->nodeValue;
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}
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if ($isThisItemThatIWant && $item->nodeName == 'mimetype' && $item->nodeValue == 'document/unknown') {
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break;
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}
|
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|
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if ($isThisItemThatIWant && $item->nodeName == 'mimetype' && $item->nodeValue !== 'document/unknown') {
|
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$currentItem['mimetype'] = $item->nodeValue;
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break 2;
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|
}
|
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}
|
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}
|
|
}
|
|
|
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return $currentItem;
|
|
}
|
|
|
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return false;
|
|
}
|
|
|
|
/**
|
|
* Search the current question resource in main Questions XML
|
|
*
|
|
* @param resource $questionsXml XML file
|
|
* @param int $questionId
|
|
* @return mixed | array if is a valid xml file, false otherwise
|
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*/
|
|
public function readMainQuestionsXml($questionsXml, $questionId)
|
|
{
|
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$moduleDoc = new DOMDocument();
|
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$moduleRes = @$moduleDoc->loadXML($questionsXml);
|
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if ($moduleRes) {
|
|
$questions = $moduleDoc->getElementsByTagName('question');
|
|
$currentItem = [];
|
|
foreach ($questions as $question) {
|
|
if (intval($question->getAttribute('id')) == $questionId) {
|
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if ($question->childNodes->length) {
|
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$currentItem['questionid'] = $questionId;
|
|
$questionType = '';
|
|
foreach ($question->childNodes as $item) {
|
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$currentItem[$item->nodeName] = $item->nodeValue;
|
|
if ($item->nodeName == 'qtype') {
|
|
$questionType = $item->nodeValue;
|
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}
|
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|
|
if ($item->nodeName == 'plugin_qtype_'.$questionType.'_question') {
|
|
$answer = $item->getElementsByTagName($this->getQuestionTypeAnswersTag($questionType));
|
|
$currentItem['plugin_qtype_'.$questionType.'_question'] = [];
|
|
for ($i = 0; $i <= $answer->length - 1; $i++) {
|
|
$currentItem['plugin_qtype_'.$questionType.'_question'][$i]['answerid'] = $answer->item($i)->getAttribute('id');
|
|
foreach ($answer->item($i)->childNodes as $properties) {
|
|
$currentItem['plugin_qtype_'.$questionType.'_question'][$i][$properties->nodeName] = $properties->nodeValue;
|
|
}
|
|
}
|
|
|
|
$typeValues = $item->getElementsByTagName($this->getQuestionTypeOptionsTag($questionType));
|
|
for ($i = 0; $i <= $typeValues->length - 1; $i++) {
|
|
foreach ($typeValues->item($i)->childNodes as $properties) {
|
|
$currentItem[$questionType.'_values'][$properties->nodeName] = $properties->nodeValue;
|
|
if ($properties->nodeName == 'sequence') {
|
|
$sequence = $properties->nodeValue;
|
|
$sequenceIds = explode(',', $sequence);
|
|
foreach ($sequenceIds as $qId) {
|
|
$questionMatch = $this->readMainQuestionsXml($questionsXml, $qId);
|
|
$currentItem['plugin_qtype_'.$questionType.'_question'][] = $questionMatch;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$this->traverseArray($currentItem, ['#text', 'question_hints', 'tags']);
|
|
return $currentItem;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* return the correct question type options tag
|
|
*
|
|
* @param string $questionType name
|
|
* @return string question type tag
|
|
*/
|
|
public function getQuestionTypeOptionsTag($questionType)
|
|
{
|
|
switch ($questionType) {
|
|
case 'match':
|
|
case 'ddmatch':
|
|
return 'matchoptions';
|
|
break;
|
|
default:
|
|
return $questionType;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* return the correct question type answers tag
|
|
*
|
|
* @param string $questionType name
|
|
* @return string question type tag
|
|
*/
|
|
public function getQuestionTypeAnswersTag($questionType)
|
|
{
|
|
switch ($questionType) {
|
|
case 'match':
|
|
case 'ddmatch':
|
|
return 'match';
|
|
break;
|
|
default:
|
|
return 'answer';
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param string $moodleQuestionType
|
|
* @return integer Chamilo question type
|
|
*/
|
|
public function matchMoodleChamiloQuestionTypes($moodleQuestionType)
|
|
{
|
|
switch ($moodleQuestionType) {
|
|
case 'multichoice':
|
|
return UNIQUE_ANSWER;
|
|
break;
|
|
case 'multianswer':
|
|
case 'shortanswer':
|
|
case 'match':
|
|
return FILL_IN_BLANKS;
|
|
break;
|
|
case 'essay':
|
|
return FREE_ANSWER;
|
|
break;
|
|
case 'truefalse':
|
|
return UNIQUE_ANSWER_NO_OPTION;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Fix moodle files that contains spaces
|
|
* @param array $importedFiles
|
|
* @param string $text
|
|
* @return mixed
|
|
*/
|
|
public function fixPathInText($importedFiles, &$text)
|
|
{
|
|
if ($importedFiles) {
|
|
foreach ($importedFiles as $old => $new) {
|
|
// Ofaj fix moodle file names
|
|
// In some questions moodle text contains file with name like:
|
|
// Bild%20Check-In-Formular%20Ausfu%CC%88llen.jpg"
|
|
// rawurlencode function transforms '' (whitespace) to %20 and so on
|
|
$text = str_replace(rawurlencode($old), $new, $text);
|
|
}
|
|
}
|
|
|
|
return $text;
|
|
}
|
|
|
|
/**
|
|
* Process Moodle Answers to Chamilo
|
|
*
|
|
* @param array $questionList
|
|
* @param string $questionType
|
|
* @param object $questionInstance Question/Answer instance
|
|
* @param array $currentQuestion
|
|
* @param array $importedFiles
|
|
* @return integer db response
|
|
*/
|
|
public function processAnswers($questionList, $questionType, $questionInstance, $currentQuestion, $importedFiles)
|
|
{
|
|
switch ($questionType) {
|
|
case 'multichoice':
|
|
$objAnswer = new Answer($questionInstance->id);
|
|
$questionWeighting = 0;
|
|
foreach ($questionList as $slot => $answer) {
|
|
$this->processUniqueAnswer(
|
|
$objAnswer,
|
|
$answer,
|
|
$slot + 1,
|
|
$questionWeighting,
|
|
$importedFiles
|
|
);
|
|
}
|
|
|
|
// saves the answers into the data base
|
|
$objAnswer->save();
|
|
// sets the total weighting of the question
|
|
$questionInstance->updateWeighting($questionWeighting);
|
|
$questionInstance->save();
|
|
|
|
return true;
|
|
break;
|
|
case 'multianswer':
|
|
$objAnswer = new Answer($questionInstance->id);
|
|
$coursePath = api_get_course_path();
|
|
$placeholder = str_replace(
|
|
'@@PLUGINFILE@@',
|
|
'/courses/'.$coursePath.'/document/moodle',
|
|
$currentQuestion['questiontext']
|
|
);
|
|
$optionsValues = [];
|
|
foreach ($questionList as $slot => $subQuestion) {
|
|
$qtype = $subQuestion['qtype'];
|
|
$optionsValues[] = $this->processFillBlanks(
|
|
$objAnswer,
|
|
$qtype,
|
|
$subQuestion['plugin_qtype_'.$qtype.'_question'],
|
|
$placeholder,
|
|
$slot + 1,
|
|
$importedFiles
|
|
);
|
|
}
|
|
|
|
$answerOptionsWeight = '::';
|
|
$answerOptionsSize = '';
|
|
$questionWeighting = 0;
|
|
foreach ($optionsValues as $index => $value) {
|
|
$questionWeighting += $value['weight'];
|
|
$answerOptionsWeight .= $value['weight'].',';
|
|
$answerOptionsSize .= $value['size'].',';
|
|
}
|
|
|
|
$answerOptionsWeight = substr($answerOptionsWeight, 0, -1);
|
|
$answerOptionsSize = substr($answerOptionsSize, 0, -1);
|
|
$answerOptions = $answerOptionsWeight.':'.$answerOptionsSize.':0@';
|
|
$placeholder = $placeholder.PHP_EOL.$answerOptions;
|
|
|
|
// This is a minor trick to clean the question description that in a multianswer is the main placeholder
|
|
$questionInstance->updateDescription('');
|
|
// sets the total weighting of the question
|
|
$questionInstance->updateWeighting($questionWeighting);
|
|
$questionInstance->save();
|
|
$this->fixPathInText($importedFiles, $placeholder);
|
|
|
|
// saves the answers into the data base
|
|
$objAnswer->createAnswer($placeholder, 0, '', 0, 1);
|
|
$objAnswer->save();
|
|
|
|
return true;
|
|
case 'match':
|
|
$objAnswer = new Answer($questionInstance->id);
|
|
$placeholder = '';
|
|
|
|
$optionsValues = $this->processFillBlanks(
|
|
$objAnswer,
|
|
'match',
|
|
$questionList,
|
|
$placeholder,
|
|
0,
|
|
$importedFiles
|
|
);
|
|
|
|
$answerOptionsWeight = '::';
|
|
$answerOptionsSize = '';
|
|
$questionWeighting = 0;
|
|
foreach ($optionsValues as $index => $value) {
|
|
$questionWeighting += $value['weight'];
|
|
$answerOptionsWeight .= $value['weight'].',';
|
|
$answerOptionsSize .= $value['size'].',';
|
|
}
|
|
|
|
$answerOptionsWeight = substr($answerOptionsWeight, 0, -1);
|
|
$answerOptionsSize = substr($answerOptionsSize, 0, -1);
|
|
$answerOptions = $answerOptionsWeight.':'.$answerOptionsSize.':0@';
|
|
$placeholder = $placeholder.PHP_EOL.$answerOptions;
|
|
|
|
// sets the total weighting of the question
|
|
$questionInstance->updateWeighting($questionWeighting);
|
|
$questionInstance->save();
|
|
// saves the answers into the database
|
|
$this->fixPathInText($importedFiles, $placeholder);
|
|
$objAnswer->createAnswer($placeholder, 0, '', 0, 1);
|
|
$objAnswer->save();
|
|
|
|
return true;
|
|
break;
|
|
case 'shortanswer':
|
|
case 'ddmatch':
|
|
$questionWeighting = $currentQuestion['defaultmark'];
|
|
$questionInstance->updateWeighting($questionWeighting);
|
|
$questionInstance->updateDescription(get_lang('ThisQuestionIsNotSupportedYet'));
|
|
$questionInstance->save();
|
|
return false;
|
|
break;
|
|
case 'essay':
|
|
$questionWeighting = $currentQuestion['defaultmark'];
|
|
$questionInstance->updateWeighting($questionWeighting);
|
|
$questionInstance->save();
|
|
return true;
|
|
break;
|
|
case 'truefalse':
|
|
$objAnswer = new Answer($questionInstance->id);
|
|
$questionWeighting = 0;
|
|
foreach ($questionList as $slot => $answer) {
|
|
$this->processTrueFalse(
|
|
$objAnswer,
|
|
$answer,
|
|
$slot + 1,
|
|
$questionWeighting,
|
|
$importedFiles
|
|
);
|
|
}
|
|
|
|
// saves the answers into the data base
|
|
$objAnswer->save();
|
|
// sets the total weighting of the question
|
|
$questionInstance->updateWeighting($questionWeighting);
|
|
$questionInstance->save();
|
|
return false;
|
|
break;
|
|
default:
|
|
return false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Process Chamilo Unique Answer
|
|
*
|
|
* @param object $objAnswer
|
|
* @param array $answerValues
|
|
* @param integer $position
|
|
* @param integer $questionWeighting
|
|
* @param array $importedFiles
|
|
* @return integer db response
|
|
*/
|
|
public function processUniqueAnswer($objAnswer, $answerValues, $position, &$questionWeighting, $importedFiles)
|
|
{
|
|
$correct = intval($answerValues['fraction']) ? intval($answerValues['fraction']) : 0;
|
|
$answer = $answerValues['answertext'];
|
|
$comment = $answerValues['feedback'];
|
|
$weighting = $answerValues['fraction'];
|
|
$weighting = abs($weighting);
|
|
if ($weighting > 0) {
|
|
$questionWeighting += $weighting;
|
|
}
|
|
$goodAnswer = $correct ? true : false;
|
|
|
|
$this->fixPathInText($importedFiles, $answer);
|
|
|
|
$objAnswer->createAnswer(
|
|
$answer,
|
|
$goodAnswer,
|
|
$comment,
|
|
$weighting,
|
|
$position,
|
|
null,
|
|
null,
|
|
''
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Process Chamilo True False
|
|
*
|
|
* @param object $objAnswer
|
|
* @param array $answerValues
|
|
* @param integer $position
|
|
* @param integer $questionWeighting
|
|
* @param array $importedFiles
|
|
*
|
|
* @return integer db response
|
|
*/
|
|
public function processTrueFalse($objAnswer, $answerValues, $position, &$questionWeighting, $importedFiles)
|
|
{
|
|
$correct = intval($answerValues['fraction']) ? intval($answerValues['fraction']) : 0;
|
|
$answer = $answerValues['answertext'];
|
|
$comment = $answerValues['feedback'];
|
|
$weighting = $answerValues['fraction'];
|
|
$weighting = abs($weighting);
|
|
if ($weighting > 0) {
|
|
$questionWeighting += $weighting;
|
|
}
|
|
$goodAnswer = $correct ? true : false;
|
|
|
|
$this->fixPathInText($importedFiles, $answer);
|
|
|
|
$objAnswer->createAnswer(
|
|
$answer,
|
|
$goodAnswer,
|
|
$comment,
|
|
$weighting,
|
|
$position,
|
|
null,
|
|
null,
|
|
''
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Process Chamilo FillBlanks
|
|
*
|
|
* @param object $objAnswer
|
|
* @param array $questionType
|
|
* @param array $answerValues
|
|
* @param string $placeholder
|
|
* @param integer $position
|
|
* @param array $importedFiles
|
|
* @return integer db response
|
|
*
|
|
*/
|
|
public function processFillBlanks($objAnswer, $questionType, $answerValues, &$placeholder, $position, $importedFiles)
|
|
{
|
|
$coursePath = api_get_course_path();
|
|
|
|
switch ($questionType) {
|
|
case 'multichoice':
|
|
$optionsValues = [];
|
|
$correctAnswer = '';
|
|
$othersAnswer = '';
|
|
foreach ($answerValues as $answer) {
|
|
$correct = intval($answer['fraction']);
|
|
if ($correct) {
|
|
$correctAnswer .= $answer['answertext'].'|';
|
|
$optionsValues['weight'] = $answer['fraction'];
|
|
$optionsValues['size'] = '200';
|
|
} else {
|
|
$othersAnswer .= $answer['answertext'].'|';
|
|
}
|
|
}
|
|
$currentAnswers = $correctAnswer.$othersAnswer;
|
|
$currentAnswers = '['.substr($currentAnswers, 0, -1).']';
|
|
$placeholder = str_replace("{#$position}", $currentAnswers, $placeholder);
|
|
|
|
return $optionsValues;
|
|
break;
|
|
case 'shortanswer':
|
|
$optionsValues = [];
|
|
$correctAnswer = '';
|
|
foreach ($answerValues as $answer) {
|
|
$correct = intval($answer['fraction']);
|
|
if ($correct) {
|
|
$correctAnswer .= $answer['answertext'];
|
|
$optionsValues['weight'] = $answer['fraction'];
|
|
$optionsValues['size'] = '200';
|
|
}
|
|
}
|
|
|
|
$currentAnswers = '['.$correctAnswer.']';
|
|
$placeholder = str_replace("{#$position}", $currentAnswers, $placeholder);
|
|
|
|
return $optionsValues;
|
|
break;
|
|
case 'match':
|
|
$answers = [];
|
|
// Here first we need to extract all the possible answers
|
|
foreach ($answerValues as $slot => $answer) {
|
|
$answers[$slot] = $answer['answertext'];
|
|
}
|
|
|
|
// Now we set the order of the values matching the correct answer and set it to the first element
|
|
$optionsValues = [];
|
|
foreach ($answerValues as $slot => $answer) {
|
|
$correctAnswer = '';
|
|
$othersAnswers = '';
|
|
$correctAnswer .= $answer['answertext'].'|';
|
|
|
|
foreach ($answers as $other) {
|
|
if ($other !== $answer['answertext']) {
|
|
$othersAnswers .= $other.'|';
|
|
}
|
|
}
|
|
|
|
$optionsValues[$slot]['weight'] = 1;
|
|
$optionsValues[$slot]['size'] = '200';
|
|
|
|
$currentAnswers = htmlentities($correctAnswer.$othersAnswers);
|
|
$currentAnswers = '['.substr($currentAnswers, 0, -1).'] ';
|
|
$answer['questiontext'] = str_replace(
|
|
'@@PLUGINFILE@@',
|
|
'/courses/'.$coursePath.'/document/moodle',
|
|
$answer['questiontext']
|
|
);
|
|
|
|
$placeholder .= '<p> '.strip_tags($answer['questiontext']).' '.$currentAnswers.' </p>';
|
|
}
|
|
|
|
return $optionsValues;
|
|
|
|
break;
|
|
default:
|
|
return false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* get All files associated with a question
|
|
*
|
|
* @param $filesXml
|
|
* @return array
|
|
*/
|
|
public function getAllQuestionFiles($filesXml)
|
|
{
|
|
$moduleDoc = new DOMDocument();
|
|
$moduleRes = @$moduleDoc->loadXML($filesXml);
|
|
$allFiles = [];
|
|
if ($moduleRes) {
|
|
$activities = $moduleDoc->getElementsByTagName('file');
|
|
foreach ($activities as $activity) {
|
|
$currentItem = [];
|
|
$thisIsAnInvalidItem = false;
|
|
|
|
if ($activity->childNodes->length) {
|
|
foreach ($activity->childNodes as $item) {
|
|
if ($item->nodeName == 'component' && $item->nodeValue == 'mod_resource') {
|
|
$thisIsAnInvalidItem = true;
|
|
}
|
|
|
|
if ($item->nodeName == 'contenthash') {
|
|
$currentItem['contenthash'] = $item->nodeValue;
|
|
}
|
|
|
|
if ($item->nodeName == 'filename') {
|
|
$currentItem['filename'] = $item->nodeValue;
|
|
}
|
|
|
|
if ($item->nodeName == 'filesize') {
|
|
$currentItem['filesize'] = $item->nodeValue;
|
|
}
|
|
|
|
if ($item->nodeName == 'mimetype' && $item->nodeValue == 'document/unknown') {
|
|
$thisIsAnInvalidItem = true;
|
|
}
|
|
|
|
if ($item->nodeName == 'mimetype' && $item->nodeValue !== 'document/unknown') {
|
|
$currentItem['mimetype'] = $item->nodeValue;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!$thisIsAnInvalidItem) {
|
|
$allFiles[] = $currentItem;
|
|
}
|
|
}
|
|
}
|
|
|
|
return $allFiles;
|
|
}
|
|
|
|
|
|
/**
|
|
* Litle utility to delete the unuseful tags
|
|
*
|
|
* @param $array
|
|
* @param $keys
|
|
*/
|
|
public function traverseArray(&$array, $keys)
|
|
{
|
|
foreach ($array as $key => &$value) {
|
|
if (is_array($value)) {
|
|
$this->traverseArray($value, $keys);
|
|
} else {
|
|
if (in_array($key, $keys)) {
|
|
unset($array[$key]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|