Current Path : C:/Users/Mahmood/Desktop/moodle/backup/util/helper/ |
Current File : C:/Users/Mahmood/Desktop/moodle/backup/util/helper/restore_questions_parser_processor.class.php |
<?php // This file is part of Moodle - http://moodle.org/ // // Moodle is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Moodle is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Moodle. If not, see <http://www.gnu.org/licenses/>. /** * @package moodlecore * @subpackage backup-helper * @copyright 2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com} * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ require_once($CFG->dirroot.'/backup/util/xml/parser/processors/grouped_parser_processor.class.php'); /** * helper implementation of grouped_parser_processor that will * load all the categories and questions (header info only) from the questions.xml file * to the backup_ids table storing the whole structure there for later processing. * Note: only "needed" categories are loaded (must have question_categoryref record in backup_ids) * Note: parentitemid will contain the category->contextid for categories * Note: parentitemid will contain the category->id for questions * * TODO: Complete phpdocs */ class restore_questions_parser_processor extends grouped_parser_processor { protected $restoreid; protected $lastcatid; public function __construct($restoreid) { $this->restoreid = $restoreid; $this->lastcatid = 0; parent::__construct(array()); // Set the paths we are interested on $this->add_path('/question_categories/question_category'); $this->add_path('/question_categories/question_category/questions/question'); } protected function dispatch_chunk($data) { // Prepare question_category record if ($data['path'] == '/question_categories/question_category') { $info = (object)$data['tags']; $itemname = 'question_category'; $itemid = $info->id; $parentitemid = $info->contextid; $this->lastcatid = $itemid; // Prepare question record } else if ($data['path'] == '/question_categories/question_category/questions/question') { $info = (object)$data['tags']; $itemname = 'question'; $itemid = $info->id; $parentitemid = $this->lastcatid; // Not question_category nor question, impossible. Throw exception. } else { throw new progressive_parser_exception('restore_questions_parser_processor_unexpected_path', $data['path']); } // Only load it if needed (exist same question_categoryref itemid in table) if (restore_dbops::get_backup_ids_record($this->restoreid, 'question_categoryref', $this->lastcatid)) { restore_dbops::set_backup_ids_record($this->restoreid, $itemname, $itemid, 0, $parentitemid, $info); } } protected function notify_path_start($path) { // nothing to do } protected function notify_path_end($path) { // nothing to do } /** * Provide NULL decoding */ public function process_cdata($cdata) { if ($cdata === '$@NULL@$') { return null; } return $cdata; } }