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MDL-27449 Backup - added scorm module 1.9 backup converter

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This commit is contained in:
Aparup Banerjee 2011-05-26 15:33:00 +08:00
parent 071f617c52
commit 0e7269d11d
1 changed files with 143 additions and 0 deletions
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mod/scorm/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
*
* @package mod
* @subpackage scorm
* @copyright 2011 Aparup Banerjee <nebgor@gmail.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* Scorm conversion handler
*/
class moodle1_mod_scorm_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/SCORM 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('scorm', '/MOODLE_BACKUP/COURSE/MODULES/MOD/SCORM',
array(
'newfields' => array(
'whatgrade' => 0,
'scormtype' => 'local',
'sha1hash' => null,
'revision' => '0',
'forcecompleted' => 1,
'forcenewattempt' => 0,
'lastattemptlock' => 0,
'displayattemptstatus' => 1,
'displaycoursestructure' => 1,
'timeopen' => '0',
'timeclose' => '0',
'introformat' => '0',
'launch' => null,
),
'renamefields' => array(
'summary' => 'intro'
)
)
),
new convert_path('scorm_sco', '/MOODLE_BACKUP/COURSE/MODULES/MOD/SCORM/SCOES/SCO')
);
}
/**
* This is executed every time we have one /MOODLE_BACKUP/COURSE/MODULES/MOD/SCORM
* data available
*/
public function process_scorm($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, $moduleid);
// conditionally migrate to html format in intro
if ($CFG->texteditors !== 'textarea' && $data['introformat'] == FORMAT_MOODLE ) {
$data['intro'] = text_to_html($data['intro'], false, false, true);
$data['introformat'] = FORMAT_HTML;
}
// check 1.9 version where backup was created
$backupinfo = $this->converter->get_stash('backup_info');
if ($backupinfo['moodle_version'] < 2007110503) {
// as we have no module version data, assume $currmodule->version <= $module->version
// - fix data as the source 1.9 build hadn't yet at time of backing up.
$data['grademethod'] = $data['grademethod']%10;
}
// update scormtype (logic is consistent as done in scorm/db/upgrade.php)
$ismanifest = preg_match('/imsmanifest\.xml$/', $data['reference']);
$iszippif = preg_match('/.(zip|pif)$/', $data['reference']);
$isurl = preg_match('/^((http|https):\/\/|www\.)/', $data['reference']);
if ($isurl) {
if ($ismanifest) {
$data['scormtype'] = 'external';
} else if ($iszippif) {
$data['scormtype'] = 'localtype';
}
}
// @todo upgrade to new file storage? re: $data['reference'] file
// we now have all information needed to start writing into the file
$this->open_xml_writer("activities/scorm_{$moduleid}/scorm.xml");
$this->xmlwriter->begin_tag('activity', array('id' => $instanceid, 'moduleid' => $moduleid,
'modulename' => 'scorm', 'contextid' => $contextid));
$this->xmlwriter->begin_tag('scorm', 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);
}
$this->xmlwriter->begin_tag('scoes');
}
/**
* This is executed every time we have one /MOODLE_BACKUP/COURSE/MODULES/MOD/SCORM/SCOES/SCO
* data available
*/
public function process_scorm_sco($data) {
$this->write_xml('sco', $data, array('/sco/id'));
}
/**
* This is executed when we reach the closing </MOD> tag of our 'scorm' path
*/
public function on_scorm_end() {
$this->xmlwriter->end_tag('scoes');
$this->xmlwriter->end_tag('scorm');
$this->xmlwriter->end_tag('activity');
$this->close_xml_writer();
}
}