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MDL-27445 added moodle1 backup converter for chat

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Aparup Banerjee 2011-05-20 17:57:43 +08:00 committed by David Mudrak
parent 2fe7d14a04
commit b391176a0b
1 changed files with 101 additions and 0 deletions
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mod/chat/backup/moodle1/lib.php Normal file
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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Provides support for the conversion of moodle1 backup to the moodle2 format
* Based off of a template @ http://docs.moodle.org/en/Development:Backup_1.9_conversion_for_developers
*
* @package mod
* @subpackage chat
* @copyright 2011 Aparup Banerjee <aparup@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* Chat conversion handler
*/
class moodle1_mod_chat_handler extends moodle1_mod_handler {
/**
* Declare the paths in moodle.xml we are able to convert
*
* The method returns list of {@link convert_path} instances.
* For each path returned, the corresponding conversion method must be
* defined.
*
* Note that the path /MOODLE_BACKUP/COURSE/MODULES/MOD/CHAT does not
* actually exist in the file. The last element with the module name was
* appended by the moodle1_converter class.
*
* @return array of {@link convert_path} instances
*/
public function get_paths() {
return array(
new convert_path(
'chat', '/MOODLE_BACKUP/COURSE/MODULES/MOD/CHAT',
array(
'newfields' => array(
'introformat' => 0
)
)
)
);
}
/**
* This is executed every time we have one /MOODLE_BACKUP/COURSE/MODULES/MOD/CHAT
* data available
*/
public function process_chat($data) {
// get the course module id and context id
$instanceid = $data['id'];
$moduleid = $this->get_moduleid($instanceid);
$contextid = $this->converter->get_contextid(CONTEXT_MODULE, $moduleid);
// we now have all information needed to start writing into the file
$this->open_xml_writer("activities/chat_{$moduleid}/chat.xml");
$this->xmlwriter->begin_tag('activity', array('id' => $instanceid, 'moduleid' => $moduleid,
'modulename' => 'chat', 'contextid' => $contextid));
$this->xmlwriter->begin_tag('chat', array('id' => $instanceid));
unset($data['id']); // we already write it as attribute, do not repeat it as child element
foreach ($data as $field => $value) {
$this->xmlwriter->full_tag($field, $value);
}
}
/**
* This is executed every time we have one /MOODLE_BACKUP/COURSE/MODULES/MOD/CHAT/MESSAGES
* data available
*/
public function process_chat_messages($data) {
//@todo process user data
//$this->write_xml('message', $data, array('/message/id'));
//@todo populate chat_messages_current table?
}
/**
* This is executed when we reach the closing </MOD> tag of our 'chat' path
*/
public function on_chat_end() {
$this->xmlwriter->end_tag('chat');
$this->xmlwriter->end_tag('activity');
$this->close_xml_writer();
}
}