<?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 contents of one inforef.xml file to the backup_ids table
*
 * TODO: Complete phpdocs
 */
class restore_inforef_parser_processor extends grouped_parser_processor {

    protected $restoreid;

    public function __construct($restoreid) {
        $this->restoreid = $restoreid;
        parent::__construct(array());
        // Get itemnames handled by inforef files
        $items = backup_helper::get_inforef_itemnames();
        // Let's add all them as target paths for the processor
        foreach($items as $itemname) {
            $pathvalue = '/inforef/' . $itemname . 'ref/' . $itemname;
            $this->add_path($pathvalue);
        }
    }

    protected function dispatch_chunk($data) {
        // Received one inforef chunck, we are going to store it into backup_ids
        // table, with name = itemname + "ref" for later use
        $itemname = basename($data['path']). 'ref';
        $itemid   = $data['tags']['id'];
        restore_dbops::set_backup_ids_record($this->restoreid, $itemname, $itemid);
    }

    protected function notify_path_start($path) {
        // nothing to do
    }

    protected function notify_path_end($path) {
        // nothing to do
    }
}