/** * Main function to import an exercise. * * @param string $file path of the file * @param array $backlog_message * * @return the id of the created exercise or false if the operation failed */ function import_exercise($file, &$backlog) { global $exercise_info; global $element_pile; global $non_HTML_tag_to_avoid; global $record_item_body; // used to specify the question directory where files could be found in relation in any question global $questionTempDir; // get required table names $tbl_cdb_names = get_module_course_tbl(array('qwz_exercise', 'qwz_question'), claro_get_current_course_id()); $tbl_quiz_exercise = $tbl_cdb_names['qwz_exercise']; $tbl_quiz_question = $tbl_cdb_names['qwz_question']; // paths $baseWorkDir = get_path('rootSys') . get_conf('tmpPathSys') . 'upload/'; // create temp dir for upload if (!file_exists($baseWorkDir)) { claro_mkdir($baseWorkDir, CLARO_FILE_PERMISSIONS); } $uploadDir = claro_mkdir_tmp($baseWorkDir); // this function should return the dir name and not the full path ... $uploadPath = str_replace($baseWorkDir, '', $uploadDir); // set some default values for the new exercise $exercise_info = array(); $exercise_info['name'] = preg_replace('/.zip$/i', '', $file); $exercise_info['description'] = ''; $exercise_info['question'] = array(); // create parser and array to retrieve info from manifest $element_pile = array(); //pile to known the depth in which we are $module_info = array(); //array to store the info we need // if file is not a .zip, then we cancel all if (!preg_match('/.zip$/i', $_FILES['uploadedExercise']['name'])) { $backlog->failure(get_lang('You must upload a zip file')); return false; } //unzip the uploaded file in a tmp directory if (!get_and_unzip_uploaded_exercise($baseWorkDir, $uploadPath)) { $backlog->failure(get_lang('Upload failed')); return false; } // find the different manifests for each question and parse them. $exerciseHandle = opendir($uploadDir); $question_number = 0; $file_found = false; // parse every subdirectory to search xml question files while (false !== ($file = readdir($exerciseHandle))) { if (is_dir($uploadDir . '/' . $file) && $file != "." && $file != "..") { //find each manifest for each question repository found $questionHandle = opendir($uploadDir . '/' . $file); while (false !== ($questionFile = readdir($questionHandle))) { if (preg_match('/.xml$/i', $questionFile)) { list($parsingBacklog, $success) = parse_file($uploadDir, $file, $questionFile); $backlog->append($parsingBacklog); $file_found = true; } } } elseif (preg_match('/.xml$/i', $file)) { list($parsingBacklog, $success) = parse_file($uploadDir, '', $file); $backlog->append($parsingBacklog); $file_found = true; } // else ignore file } if (!$file_found) { $backlog->failure(get_lang('No XML file found in the zip')); return false; } //--------------------- //add exercise in tool //--------------------- //1.create exercise $exercise = new Exercise(); $exercise->setTitle($exercise_info['name']); $exercise->setDescription($exercise_info['description']); if ($exercise->validate()) { $exercise_id = $exercise->save(); } else { $backlog->failure(get_lang('There is an error in exercise data of imported file.')); return false; } ksort($exercise_info['question'], SORT_NUMERIC); //For each question found... foreach ($exercise_info['question'] as $key => $question_array) { //2.create question $question = new Qti2Question(); $question->import($question_array); if ($question->validate()) { // I need to save the question after the answer because I need question id in answers $question_id = $question->save(); //3.create answers $question->setAnswer(); $question->answer->import($question_array); if ($question->answer->validate()) { $question->setGrade($question->answer->getGrade()); $question->save(); // save computed grade $question->answer->save(); $exercise->addQuestion($question_id); } else { $backlog->failure(get_lang('Invalid answer') . ' : ' . $key); } } else { $backlog->failure(get_lang('Invalid question') . ' : ' . $key); } } // delete the temp dir where the exercise was unzipped claro_delete_file($uploadDir); return $exercise_id; }
// delete question if ($cmd == 'delQu' && !is_null($quId)) { $question = new Question(); if ($question->load($quId)) { if (!$question->delete()) { // TODO show confirmation and list } } } // export question if ($cmd == 'exExport' && get_conf('enableExerciseExportQTI')) { require_once '../export/qti2/qti2_export.php'; require_once get_path('incRepositorySys') . '/lib/fileManage.lib.php'; require_once get_path('incRepositorySys') . '/lib/file.lib.php'; require_once get_path('incRepositorySys') . '/lib/thirdparty/pclzip/pclzip.lib.php'; $question = new Qti2Question(); $question->load($quId); // contruction of XML flow $xml = $question->export(); // remove trailing slash if (substr($question->questionDirSys, -1) == '/') { $question->questionDirSys = substr($question->questionDirSys, 0, -1); } //save question xml file if (!file_exists($question->questionDirSys)) { claro_mkdir($question->questionDirSys, CLARO_FILE_PERMISSIONS); } if ($fp = @fopen($question->questionDirSys . "/question_" . $quId . ".xml", 'w')) { fwrite($fp, $xml); fclose($fp); } else {
require_once './export/qti2/qti2_export.php'; require_once get_path('incRepositorySys') . '/lib/fileManage.lib.php'; require_once get_path('incRepositorySys') . '/lib/file.lib.php'; //find exercise informations $exercise = new Exercise(); $exercise->load($exId); if ($exercise->getShuffle() && isset($_REQUEST['shuffle']) && $_REQUEST['shuffle'] == 1) { $questionList = $exercise->getRandomQuestionList(); } else { $questionList = $exercise->getQuestionList(); } $filePathList = array(); //prepare xml file of each question foreach ($questionList as $question) { $quId = $question['id']; $questionObj = new Qti2Question(); $questionObj->load($quId); // contruction of XML flow $xml = $questionObj->export(); // remove trailing slash if (substr($questionObj->questionDirSys, -1) == '/') { $questionObj->questionDirSys = substr($questionObj->questionDirSys, 0, -1); } //save question xml file if (!file_exists($questionObj->questionDirSys)) { claro_mkdir($questionObj->questionDirSys, CLARO_FILE_PERMISSIONS); } if ($fp = @fopen($questionObj->questionDirSys . "/question_" . $quRank . ".xml", 'w')) { fwrite($fp, $xml); fclose($fp); } else {