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MDL-27445 added moodle1 backup converter for chat
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<?php | ||
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// 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/>. | ||
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/** | ||
* 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 | ||
*/ | ||
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defined('MOODLE_INTERNAL') || die(); | ||
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/** | ||
* Chat conversion handler | ||
*/ | ||
class moodle1_mod_chat_handler extends moodle1_mod_handler { | ||
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/** | ||
* 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 | ||
) | ||
) | ||
) | ||
); | ||
} | ||
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/** | ||
* 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); | ||
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// 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' => $instanceid)); | ||
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unset($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, $value); | ||
} | ||
} | ||
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/** | ||
* This is executed every time we have one /MOODLE_BACKUP/COURSE/MODULES/MOD/CHAT/MESSAGES | ||
* data available | ||
*/ | ||
public function process_chat_messages($data) { | ||
//@todo process user data | ||
//$this->write_xml('message', $data, array('/message/id')); | ||
//@todo populate chat_messages_current table? | ||
} | ||
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/** | ||
* 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(); | ||
} | ||
} |