} $categoryId = substr($filter, 0, 10) == 'categoryId' && is_numeric(substr($filter, 10)) ? substr($filter, 10) : null; /* * Init other vars */ $exercise = new Exercise(); if (!is_null($exId)) { $exercise->load($exId); } $dialogBox = new DialogBox(); /* * Execute commands */ // use question in exercise if ($cmd == 'rqUse' && !is_null($quId) && !is_null($exId)) { if ($exercise->addQuestion($quId)) { // TODO show confirmation and back link header('Location: ' . Url::Contextualize('edit_exercise.php?exId=' . $exId)); } } // delete question if ($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')) {
/** * 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 $exercise_id; }
* Execute commands */ if ($cmd == 'exEdit') { // add or remove answer, change step,... // should return true if form is really submitted if ($question->answer->handleForm()) { // form has to be saved, check input validity if ($question->answer->validate()) { if (count_exercise_using_question($quId) > 1 && !is_null($quId) && !is_null($exId) && isset($_REQUEST['duplicate']) && $_REQUEST['duplicate'] == 'true') { // duplicate object if used in several exercises $duplicated = $question->duplicate(); // make exercise use the new created question object instead of the new one $exercise->removeQuestion($quId); $quId = $duplicated->getId(); // and reset $quId $exercise->addQuestion($quId); $question = $duplicated; } if ($question->answer->save()) { // update grade in question $question->setGrade($question->answer->getGrade()); $question->save(); header("Location: " . Url::Contextualize("./edit_question.php?exId=" . $exId . "&quId=" . $quId)); exit; } } } if ($question->answer->getErrorList()) { $dialogBox->error(implode('<br />' . "\n", $question->answer->getErrorList())); } // if we were not redirected it means form must be displayed
// quId and exId have been specified and load operations worked if (!is_null($quId) && !is_null($exId)) { // do not duplicate when there is no $exId, // it means that we modify the question from pool // do not duplicate when there is no $quId, // it means that question is a new one // check that question is used in several exercises if (count_exercise_using_question($quId) > 1) { if (isset($_REQUEST['duplicate']) && $_REQUEST['duplicate'] == 'true') { // duplicate object if used in several exercises $duplicated = $question->duplicate(); // make exercise use the new created question object instead of the new one $exercise->removeQuestion($quId); $quId = $duplicated->getId(); // and reset $quId $exercise->addQuestion($quId); $question = $duplicated; } else { $askDuplicate = true; } } } $dialogBox = new DialogBox(); $displayForm = false; /* * Execute commands */ if ($cmd == 'exEdit') { // if quId is null it means that we create a new question $question->setTitle($_REQUEST['title']); $question->setDescription($_REQUEST['description']);