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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 data
* @copyright 2011 Aparup Banerjee <aparup@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* Database conversion handler
*/
class moodle1_mod_data_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/DATA 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('data', '/MOODLE_BACKUP/COURSE/MODULES/MOD/DATA',
array(
'newfields' => array(
'introformat' => 0,
'assesstimestart' => 0,
'assesstimefinish' => 0,
)
)
),
new convert_path('data_field', '/MOODLE_BACKUP/COURSE/MODULES/MOD/DATA/FIELDS/FIELD')
);
}
/**
* This is executed every time we have one /MOODLE_BACKUP/COURSE/MODULES/MOD/DATA
* data available
*/
public function process_data($data) {
global $CFG;
// get the course module id and context id
$instanceid = $data['id'];
$cminfo = $this->get_cminfo($instanceid);
$moduleid = $cminfo['id'];
$contextid = $this->converter->get_contextid(CONTEXT_MODULE, $moduleid);
//upgrade data
//Upgrade all the data->notification currently being NULL to 0
if (is_null($data['notification'])) {
$data['notification'] = 0;
}
//@todo: user data - upgrade content to new file storage
// add 'export' tag to list and single template.
$pattern = '/\#\#delete\#\#(\s+)\#\#approve\#\#/';
$replacement = '##delete##$1##approve##$1##export##';
$data['listtemplate'] = preg_replace($pattern, $replacement, $data['listtemplate']);
$data['singletemplate'] = preg_replace($pattern, $replacement, $data['singletemplate']);
// conditionally migrate to html format in intro
if ($CFG->texteditors !== 'textarea' && $data['introformat'] == FORMAT_MOODLE ) {
$data['intro'] = text_to_html($data['intro'], false, false, true);
$data['introformat'] = FORMAT_HTML;
}
//@todo: user data - move data comments to comments table
//@todo: user data - move data ratings to ratings table
// we now have all information needed to start writing into the file
$this->open_xml_writer("activities/data_{$moduleid}/data.xml");
$this->xmlwriter->begin_tag('activity', array('id' => $instanceid, 'moduleid' => $moduleid,
'modulename' => 'data', 'contextid' => $contextid));
$this->xmlwriter->begin_tag('data', array('id' => $instanceid));
unset($data['id']); // we already write it as attribute, do not repeat it as child element
$addfield = true;
foreach ($data as $field => $value) {
if ($field == 'asearchtemplate') {
//add field asearchtemplate (if doesn't exist already)
$addfield = false;
}
$this->xmlwriter->full_tag($field, $value);
}
if ($addfield) {
$this->xmlwriter->full_tag('asearchtemplate', null);
}
$this->xmlwriter->begin_tag('fields');
}
/**
* This is executed every time we have one /MOODLE_BACKUP/COURSE/MODULES/MOD/DATA/FIELDS/FIELD
* data available
*/
public function process_data_field($data) {
// process database fields
$this->write_xml('field', $data, array('/field/id'));
}
/**
* This is executed every time we have one /MOODLE_BACKUP/COURSE/MODULES/MOD/DATA/RECORDS/RECORD
* data available
*/
public function process_data_record($data) {
//@todo process user data, and define the convert path in get_paths() above.
//$this->write_xml('record', $data, array('/record/id'));
}
/**
* This is executed when we reach the closing </MOD> tag of our 'data' path
*/
public function on_data_end() {
$this->xmlwriter->end_tag('fields');
$this->xmlwriter->end_tag('data');
$this->xmlwriter->end_tag('activity');
$this->close_xml_writer();
}
}
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