mirror of
https://github.com/moodle/moodle.git
synced 2025-08-05 08:56:36 +02:00
150 lines
5.4 KiB
PHP
150 lines
5.4 KiB
PHP
<?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 moodlecore
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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_forum_activity_task
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*/
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/**
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* Define the complete forum structure for backup, with file and id annotations
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*/
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class backup_forum_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 = $this->get_setting_value('userinfo');
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// Define each element separated
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$forum = new backup_nested_element('forum', array('id'), array(
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'type', 'name', 'intro', 'introformat',
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'assessed', 'assesstimestart', 'assesstimefinish', 'scale',
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'maxbytes', 'maxattachments', 'forcesubscribe', 'trackingtype',
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'rsstype', 'rssarticles', 'timemodified', 'warnafter',
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'blockafter', 'blockperiod', 'completiondiscussions', 'completionreplies',
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'completionposts'));
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$discussions = new backup_nested_element('discussions');
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$discussion = new backup_nested_element('discussion', array('id'), array(
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'name', 'firstpost', 'userid', 'groupid',
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'assessed', 'timemodified', 'usermodified', 'timestart',
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'timeend'));
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$posts = new backup_nested_element('posts');
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$post = new backup_nested_element('post', array('id'), array(
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'parent', 'userid', 'created', 'modified',
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'mailed', 'subject', 'message', 'messageformat',
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'messagetrust', 'attachment', 'totalscore', 'mailnow'));
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$ratings = new backup_nested_element('ratings');
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$rating = new backup_nested_element('rating', array('id'), array(
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'scaleid', 'value', 'userid', 'timecreated', 'timemodified'));
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$subscriptions = new backup_nested_element('subscriptions');
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$subscription = new backup_nested_element('subscription', array('id'), array(
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'userid'));
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$readposts = new backup_nested_element('readposts');
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$read = new backup_nested_element('read', array('id'), array(
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'userid', 'discussionid', 'postid', 'firstread',
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'lastread'));
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// Build the tree
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$forum->add_child($discussions);
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$discussions->add_child($discussion);
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$forum->add_child($subscriptions);
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$subscriptions->add_child($subscription);
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$forum->add_child($readposts);
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$readposts->add_child($read);
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$discussion->add_child($posts);
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$posts->add_child($post);
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$post->add_child($ratings);
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$ratings->add_child($rating);
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// Define sources
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$forum->set_source_table('forum', array('id' => backup::VAR_ACTIVITYID));
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// All these source definitions only happen if we are including user info
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if ($userinfo) {
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$discussion->set_source_sql('
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SELECT *
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FROM {forum_discussions}
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WHERE forum = ?',
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array(backup::VAR_PARENTID));
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// Need posts ordered by id so parents are always before childs on restore
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$post->set_source_sql("SELECT *
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FROM {forum_posts}
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WHERE discussion = :discussion
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ORDER BY id", array('discussion' => backup::VAR_PARENTID));
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$subscription->set_source_table('forum_subscriptions', array('forum' => backup::VAR_PARENTID));
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$read->set_source_table('forum_read', array('forumid' => backup::VAR_PARENTID));
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$rating->set_source_table('rating', array('contextid' => backup::VAR_CONTEXTID,
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'itemid' => backup::VAR_PARENTID));
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$rating->set_source_alias('rating', 'value');
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}
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// Define id annotations
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$forum->annotate_ids('scale', 'scale');
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$discussion->annotate_ids('group', 'groupid');
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$post->annotate_ids('user', 'userid');
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$rating->annotate_ids('scale', 'scaleid');
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$rating->annotate_ids('user', 'userid');
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$subscription->annotate_ids('user', 'userid');
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$read->annotate_ids('user', 'userid');
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// Define file annotations
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$forum->annotate_files('mod_forum', 'intro', null); // This file area hasn't itemid
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$post->annotate_files('mod_forum', 'post', 'id');
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$post->annotate_files('mod_forum', 'attachment', 'id');
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// Return the root element (forum), wrapped into standard activity structure
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return $this->prepare_activity_structure($forum);
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}
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}
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