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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 {@link imscc11_export_converter} class
*
* @package core
* @subpackage backup-convert
* @copyright 2011 Darko Miletic <dmiletic@moodlerooms.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once($CFG->dirroot . '/backup/converter/convertlib.php');
class imscc11_export_converter extends base_converter {
static public function get_deps() {
global $CFG;
require_once($CFG->dirroot . '/backup/util/settings/setting_dependency.class.php');
return array(
'users' => setting_dependency::DISABLED_VALUE,
'filters' => setting_dependency::DISABLED_VALUE,
'blocks' => setting_dependency::DISABLED_VALUE
);
}
protected function execute() {
}
public static function description() {
return array(
'from' => backup::FORMAT_MOODLE,
'to' => backup::FORMAT_IMSCC11,
'cost' => 10
);
}
}
class imscc11_store_backup_file extends backup_execution_step {
protected function define_execution() {
// Get basepath
$basepath = $this->get_basepath();
// Calculate the zip fullpath (in OS temp area it's always backup.imscc)
$zipfile = $basepath . '/backup.imscc';
// Perform storage and return it (TODO: shouldn't be array but proper result object)
// Let's send the file to file storage, everything already defined
// First of all, get some information from the backup_controller to help us decide
list($dinfo, $cinfo, $sinfo) = backup_controller_dbops::get_moodle_backup_information($this->get_backupid());
// Extract useful information to decide
$file = $sinfo['filename']->value;
$filename = basename($file,'.'.pathinfo($file, PATHINFO_EXTENSION)).'.imscc'; // Backup filename
$userid = $dinfo[0]->userid; // User->id executing the backup
$id = $dinfo[0]->id; // Id of activity/section/course (depends of type)
$courseid = $dinfo[0]->courseid; // Id of the course
$ctxid = context_user::instance($userid)->id;
$component = 'user';
$filearea = 'backup';
$itemid = 0;
$fs = get_file_storage();
$fr = array(
'contextid' => $ctxid,
'component' => $component,
'filearea' => $filearea,
'itemid' => $itemid,
'filepath' => '/',
'filename' => $filename,
'userid' => $userid,
'timecreated' => time(),
'timemodified'=> time());
// If file already exists, delete if before
// creating it again. This is BC behaviour - copy()
// overwrites by default
if ($fs->file_exists($fr['contextid'], $fr['component'], $fr['filearea'], $fr['itemid'], $fr['filepath'], $fr['filename'])) {
$pathnamehash = $fs->get_pathname_hash($fr['contextid'], $fr['component'], $fr['filearea'], $fr['itemid'], $fr['filepath'], $fr['filename']);
$sf = $fs->get_file_by_hash($pathnamehash);
$sf->delete();
}
return array('backup_destination' => $fs->create_file_from_pathname($fr, $zipfile));
}
}
class imscc11_zip_contents extends backup_execution_step {
protected function define_execution() {
// Get basepath
$basepath = $this->get_basepath();
// Get the list of files in directory
$filestemp = get_directory_list($basepath, '', false, true, true);
$files = array();
foreach ($filestemp as $file) {
// Add zip paths and fs paths to all them
$files[$file] = $basepath . '/' . $file;
}
// Calculate the zip fullpath (in OS temp area it's always backup.mbz)
$zipfile = $basepath . '/backup.imscc';
// Get the zip packer
$zippacker = get_file_packer('application/zip');
// Zip files
$zippacker->archive_to_pathname($files, $zipfile);
}
}
class imscc11_backup_convert extends backup_execution_step {
protected function define_execution() {
global $CFG;
// Get basepath
$basepath = $this->get_basepath();
require_once($CFG->dirroot . '/backup/cc/cc_includes.php');
$tempdir = $CFG->backuptempdir . '/' . uniqid('', true);
if (mkdir($tempdir, $CFG->directorypermissions, true)) {
cc_convert_moodle2::convert($basepath, $tempdir);
//Switch the directories
if (empty($CFG->keeptempdirectoriesonbackup)) {
fulldelete($basepath);
} else {
if (!rename($basepath, $basepath . '_moodle2_source')) {
throw new backup_task_exception('failed_rename_source_tempdir');
}
}
if (!rename($tempdir, $basepath)) {
throw new backup_task_exception('failed_move_converted_into_place');
}
}
}
}