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MDL-23479 chat restore code
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mod/chat/backup/moodle2/restore_chat_activity_task.class.php
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75
mod/chat/backup/moodle2/restore_chat_activity_task.class.php
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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 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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defined('MOODLE_INTERNAL') || die();
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require_once($CFG->dirroot . '/mod/chat/backup/moodle2/restore_chat_stepslib.php'); // Because it exists (must)
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/**
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* chat restore task that provides all the settings and steps to perform one
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* complete restore of the activity
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*/
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class restore_chat_activity_task extends restore_activity_task {
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/**
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* Define (add) particular settings this activity can have
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*/
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protected function define_my_settings() {
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// No particular settings for this activity
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}
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/**
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* Define (add) particular steps this activity can have
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*/
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protected function define_my_steps() {
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// chat only has one structure step
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$this->add_step(new restore_chat_activity_structure_step('chat_structure', 'chat.xml'));
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}
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/**
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* Define the contents in the activity that must be
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* processed by the link decoder
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*/
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static public function define_decode_contents() {
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$contents = array();
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$contents[] = new restore_decode_content('chat', array('intro'), 'chat');
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return $contents;
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}
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/**
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* Define the decoding rules for links belonging
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* to the activity to be executed by the link decoder
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*/
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static public function define_decode_rules() {
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$rules = array();
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$rules[] = new restore_decode_rule('CHATVIEWBYID', '/mod/chat/view.php?id=$1', 'course_module');
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$rules[] = new restore_decode_rule('CHATINDEX', '/mod/chat/index.php?id=$1', 'course');
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return $rules;
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}
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}
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82
mod/chat/backup/moodle2/restore_chat_stepslib.php
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mod/chat/backup/moodle2/restore_chat_stepslib.php
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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 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 restore steps that will be used by the restore_chat_activity_task
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*/
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/**
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* Structure step to restore one chat activity
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*/
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class restore_chat_activity_structure_step extends restore_activity_structure_step {
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protected function define_structure() {
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$paths = array();
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$userinfo = $this->get_setting_value('userinfo');
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$paths[] = new restore_path_element('chat', '/activity/chat');
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if ($userinfo) {
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$paths[] = new restore_path_element('chat_message', '/activity/chat/messages/message');
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}
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// Return the paths wrapped into standard activity structure
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return $this->prepare_activity_structure($paths);
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}
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protected function process_chat($data) {
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global $DB;
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$data = (object)$data;
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$oldid = $data->id;
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$data->course = $this->get_courseid();
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$data->chattime = $this->apply_date_offset($data->chattime);
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// insert the chat record
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$newitemid = $DB->insert_record('chat', $data);
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// inmediately after inserting "activity" record, call this
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$this->apply_activity_instance($newitemid);
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}
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protected function process_chat_message($data) {
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global $DB;
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$data = (object)$data;
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$oldid = $data->id;
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$data->chatid = $this->get_new_parentid('chat');
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$data->userid = $this->get_mappingid('user', $data->userid);
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$data->groupid = $this->get_mappingid('group', $data->groupid);
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$data->message = $data->message_text;
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$newitemid = $DB->insert_record('chat_messages', $data);
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// No need to save this mapping as far as nothing depend on it
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// (child paths, file areas nor links decoder)
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}
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protected function after_execute() {
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// Add chat related files, no need to match by itemname (just internally handled context)
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$this->add_related_files('mod_chat', 'intro', null);
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}
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}
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