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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* @package mod_wiki
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* @subpackage backup-moodle2
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* @copyright 2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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/**
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* Define all the backup steps that will be used by the backup_wiki_activity_task
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*/
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/**
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* Define the complete wiki structure for backup, with file and id annotations
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*/
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class backup_wiki_activity_structure_step extends backup_activity_structure_step {
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protected function define_structure() {
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// To know if we are including userinfo
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$userinfo = $this->get_setting_value('userinfo');
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// Define each element separated
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$wiki = new backup_nested_element('wiki', array('id'), array('name', 'intro', 'introformat', 'timecreated', 'timemodified', 'firstpagetitle', 'wikimode', 'defaultformat', 'forceformat', 'editbegin', 'editend'));
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$subwikis = new backup_nested_element('subwikis');
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$subwiki = new backup_nested_element('subwiki', array('id'), array('groupid', 'userid'));
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$pages = new backup_nested_element('pages');
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$page = new backup_nested_element('page', array('id'), array('title', 'cachedcontent', 'timecreated', 'timemodified', 'timerendered', 'userid', 'pageviews', 'readonly'));
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$synonyms = new backup_nested_element('synonyms');
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$synonym = new backup_nested_element('synonym', array('id'), array('pageid', 'pagesynonym'));
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$links = new backup_nested_element('links');
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$link = new backup_nested_element('link', array('id'), array('frompageid', 'topageid', 'tomissingpage'));
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$versions = new backup_nested_element('versions');
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$version = new backup_nested_element('version', array('id'), array('content', 'contentformat', 'version', 'timecreated', 'userid'));
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$tags = new backup_nested_element('tags');
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$tag = new backup_nested_element('tag', array('id'), array('name', 'rawname'));
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// Build the tree
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$wiki->add_child($subwikis);
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$subwikis->add_child($subwiki);
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$subwiki->add_child($pages);
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$pages->add_child($page);
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$subwiki->add_child($synonyms);
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$synonyms->add_child($synonym);
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$subwiki->add_child($links);
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$links->add_child($link);
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$page->add_child($versions);
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$versions->add_child($version);
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$page->add_child($tags);
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$tags->add_child($tag);
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// Define sources
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$wiki->set_source_table('wiki', array('id' => backup::VAR_ACTIVITYID));
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// All these source definitions only happen if we are including user info
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if ($userinfo) {
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$subwiki->set_source_sql('
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SELECT *
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FROM {wiki_subwikis}
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WHERE wikiid = ?', array(backup::VAR_PARENTID));
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$page->set_source_table('wiki_pages', array('subwikiid' => backup::VAR_PARENTID));
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$synonym->set_source_table('wiki_synonyms', array('subwikiid' => backup::VAR_PARENTID));
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$link->set_source_table('wiki_links', array('subwikiid' => backup::VAR_PARENTID));
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$version->set_source_table('wiki_versions', array('pageid' => backup::VAR_PARENTID));
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$tag->set_source_sql('SELECT t.id, t.name, t.rawname
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FROM {tag} t
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JOIN {tag_instance} ti ON ti.tagid = t.id
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WHERE ti.itemtype = ?
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AND ti.component = ?
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AND ti.itemid = ?', array(
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backup_helper::is_sqlparam('wiki_pages'),
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backup_helper::is_sqlparam('mod_wiki'),
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backup::VAR_PARENTID));
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}
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// Define id annotations
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$subwiki->annotate_ids('group', 'groupid');
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$subwiki->annotate_ids('user', 'userid');
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$page->annotate_ids('user', 'userid');
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$version->annotate_ids('user', 'userid');
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// Define file annotations
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$wiki->annotate_files('mod_wiki', 'intro', null); // This file area hasn't itemid
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$subwiki->annotate_files('mod_wiki', 'attachments', 'id'); // This file area hasn't itemid
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// Return the root element (wiki), wrapped into standard activity structure
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return $this->prepare_activity_structure($wiki);
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}
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}
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