3 // This file is part of Moodle - http://moodle.org/
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.
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.
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/>.
20 * @subpackage backup-moodle2
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
26 * Define all the backup steps that will be used by the backup_wiki_activity_task
30 * Define the complete wiki structure for backup, with file and id annotations
32 class backup_wiki_activity_structure_step extends backup_activity_structure_step {
34 protected function define_structure() {
36 // To know if we are including userinfo
37 $userinfo = $this->get_setting_value('userinfo');
39 // Define each element separated
40 $wiki = new backup_nested_element('wiki', array('id'), array('name', 'intro', 'introformat', 'timecreated', 'timemodified', 'firstpagetitle', 'wikimode', 'defaultformat', 'forceformat', 'editbegin', 'editend'));
42 $subwikis = new backup_nested_element('subwikis');
44 $subwiki = new backup_nested_element('subwiki', array('id'), array('groupid', 'userid'));
46 $pages = new backup_nested_element('pages');
48 $page = new backup_nested_element('page', array('id'), array('title', 'cachedcontent', 'timecreated', 'timemodified', 'timerendered', 'userid', 'pageviews', 'readonly'));
50 $synonyms = new backup_nested_element('synonyms');
52 $synonym = new backup_nested_element('synonym', array('id'), array('pageid', 'pagesynonym'));
54 $links = new backup_nested_element('links');
56 $link = new backup_nested_element('link', array('id'), array('frompageid', 'topageid', 'tomissingpage'));
58 $versions = new backup_nested_element('versions');
60 $version = new backup_nested_element('version', array('id'), array('content', 'contentformat', 'version', 'timecreated', 'userid'));
62 $tags = new backup_nested_element('tags');
64 $tag = new backup_nested_element('tag', array('id'), array('name', 'rawname'));
67 $wiki->add_child($subwikis);
68 $subwikis->add_child($subwiki);
70 $subwiki->add_child($pages);
71 $pages->add_child($page);
73 $subwiki->add_child($synonyms);
74 $synonyms->add_child($synonym);
76 $subwiki->add_child($links);
77 $links->add_child($link);
79 $page->add_child($versions);
80 $versions->add_child($version);
82 $page->add_child($tags);
83 $tags->add_child($tag);
86 $wiki->set_source_table('wiki', array('id' => backup::VAR_ACTIVITYID));
88 // All these source definitions only happen if we are including user info
90 $subwiki->set_source_sql('
93 WHERE wikiid = ?', array(backup::VAR_PARENTID));
95 $page->set_source_table('wiki_pages', array('subwikiid' => backup::VAR_PARENTID));
97 $synonym->set_source_table('wiki_synonyms', array('subwikiid' => backup::VAR_PARENTID));
99 $link->set_source_table('wiki_links', array('subwikiid' => backup::VAR_PARENTID));
101 $version->set_source_table('wiki_versions', array('pageid' => backup::VAR_PARENTID));
103 $tag->set_source_sql('SELECT t.id, t.name, t.rawname
105 JOIN {tag_instance} ti ON ti.tagid = t.id
106 WHERE ti.itemtype = ?
107 AND ti.itemid = ?', array(
108 backup_helper::is_sqlparam('wiki_pages'),
109 backup::VAR_PARENTID));
112 // Define id annotations
113 $subwiki->annotate_ids('group', 'groupid');
115 $subwiki->annotate_ids('user', 'userid');
117 $page->annotate_ids('user', 'userid');
119 $version->annotate_ids('user', 'userid');
121 // Define file annotations
122 $wiki->annotate_files('mod_wiki', 'intro', null); // This file area hasn't itemid
123 $subwiki->annotate_files('mod_wiki', 'attachments', 'id'); // This file area hasn't itemid
125 // Return the root element (wiki), wrapped into standard activity structure
126 return $this->prepare_activity_structure($wiki);