| 1 |
efrain |
1 |
<?php
|
|
|
2 |
|
|
|
3 |
// This file is part of Moodle - http://moodle.org/
|
|
|
4 |
//
|
|
|
5 |
// Moodle is free software: you can redistribute it and/or modify
|
|
|
6 |
// it under the terms of the GNU General Public License as published by
|
|
|
7 |
// the Free Software Foundation, either version 3 of the License, or
|
|
|
8 |
// (at your option) any later version.
|
|
|
9 |
//
|
|
|
10 |
// Moodle is distributed in the hope that it will be useful,
|
|
|
11 |
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
12 |
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
13 |
// GNU General Public License for more details.
|
|
|
14 |
//
|
|
|
15 |
// You should have received a copy of the GNU General Public License
|
|
|
16 |
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
|
|
|
17 |
|
|
|
18 |
/**
|
|
|
19 |
* @package moodlecore
|
|
|
20 |
* @subpackage backup-helper
|
|
|
21 |
* @copyright 2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
|
|
|
22 |
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
|
23 |
*/
|
|
|
24 |
|
|
|
25 |
require_once($CFG->dirroot.'/backup/util/xml/parser/processors/grouped_parser_processor.class.php');
|
|
|
26 |
|
|
|
27 |
/**
|
|
|
28 |
* helper implementation of grouped_parser_processor that will
|
|
|
29 |
* load all the categories and questions (header info only) from the questions.xml file
|
|
|
30 |
* to the backup_ids table storing the whole structure there for later processing.
|
|
|
31 |
* Note: only "needed" categories are loaded (must have question_categoryref record in backup_ids)
|
|
|
32 |
* Note: parentitemid will contain the category->contextid for categories
|
|
|
33 |
* Note: parentitemid will contain the category->id for questions
|
|
|
34 |
*
|
|
|
35 |
* TODO: Complete phpdocs
|
|
|
36 |
*/
|
|
|
37 |
class restore_questions_parser_processor extends grouped_parser_processor {
|
|
|
38 |
|
|
|
39 |
protected $restoreid;
|
|
|
40 |
protected $lastcatid;
|
|
|
41 |
|
|
|
42 |
public function __construct($restoreid) {
|
|
|
43 |
$this->restoreid = $restoreid;
|
|
|
44 |
$this->lastcatid = 0;
|
|
|
45 |
parent::__construct(array());
|
|
|
46 |
// Set the paths we are interested on
|
|
|
47 |
$this->add_path('/question_categories/question_category');
|
|
|
48 |
$this->add_path('/question_categories/question_category/questions/question');
|
|
|
49 |
}
|
|
|
50 |
|
|
|
51 |
protected function dispatch_chunk($data) {
|
|
|
52 |
// Prepare question_category record
|
|
|
53 |
if ($data['path'] == '/question_categories/question_category') {
|
|
|
54 |
$info = (object)$data['tags'];
|
|
|
55 |
$itemname = 'question_category';
|
|
|
56 |
$itemid = $info->id;
|
|
|
57 |
$parentitemid = $info->contextid;
|
|
|
58 |
$this->lastcatid = $itemid;
|
|
|
59 |
|
|
|
60 |
// Prepare question record
|
|
|
61 |
} else if ($data['path'] == '/question_categories/question_category/questions/question') {
|
|
|
62 |
$info = (object)$data['tags'];
|
|
|
63 |
$itemname = 'question';
|
|
|
64 |
$itemid = $info->id;
|
|
|
65 |
$parentitemid = $this->lastcatid;
|
|
|
66 |
|
|
|
67 |
// Not question_category nor question, impossible. Throw exception.
|
|
|
68 |
} else {
|
|
|
69 |
throw new progressive_parser_exception('restore_questions_parser_processor_unexpected_path', $data['path']);
|
|
|
70 |
}
|
|
|
71 |
|
|
|
72 |
// Only load it if needed (exist same question_categoryref itemid in table)
|
|
|
73 |
if (restore_dbops::get_backup_ids_record($this->restoreid, 'question_categoryref', $this->lastcatid)) {
|
|
|
74 |
restore_dbops::set_backup_ids_record($this->restoreid, $itemname, $itemid, 0, $parentitemid, $info);
|
|
|
75 |
}
|
|
|
76 |
}
|
|
|
77 |
|
|
|
78 |
protected function notify_path_start($path) {
|
|
|
79 |
// nothing to do
|
|
|
80 |
}
|
|
|
81 |
|
|
|
82 |
protected function notify_path_end($path) {
|
|
|
83 |
// nothing to do
|
|
|
84 |
}
|
|
|
85 |
|
|
|
86 |
/**
|
|
|
87 |
* Provide NULL decoding
|
|
|
88 |
*/
|
|
|
89 |
public function process_cdata($cdata) {
|
|
|
90 |
if ($cdata === '$@NULL@$') {
|
|
|
91 |
return null;
|
|
|
92 |
}
|
|
|
93 |
return $cdata;
|
|
|
94 |
}
|
|
|
95 |
}
|