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1 <?php 2 3 // This file is part of Moodle - http://moodle.org/ 4 // 5 // Moodle is free software: you can redistribute it and/or modify 6 // it under the terms of the GNU General Public License as published by 7 // the Free Software Foundation, either version 3 of the License, or 8 // (at your option) any later version. 9 // 10 // Moodle is distributed in the hope that it will be useful, 11 // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 // GNU General Public License for more details. 14 // 15 // You should have received a copy of the GNU General Public License 16 // along with Moodle. If not, see <http://www.gnu.org/licenses/>. 17 18 /** 19 * Provides {@link imscc11_export_converter} class 20 * 21 * @package core 22 * @subpackage backup-convert 23 * @copyright 2011 Darko Miletic <dmiletic@moodlerooms.com> 24 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 25 */ 26 27 defined('MOODLE_INTERNAL') || die(); 28 29 require_once($CFG->dirroot . '/backup/converter/convertlib.php'); 30 31 class imscc11_export_converter extends base_converter { 32 static public function get_deps() { 33 global $CFG; 34 require_once($CFG->dirroot . '/backup/util/settings/setting_dependency.class.php'); 35 return array( 36 'users' => setting_dependency::DISABLED_VALUE, 37 'filters' => setting_dependency::DISABLED_VALUE, 38 'blocks' => setting_dependency::DISABLED_VALUE 39 ); 40 41 } 42 protected function execute() { 43 44 } 45 public static function description() { 46 47 return array( 48 'from' => backup::FORMAT_MOODLE, 49 'to' => backup::FORMAT_IMSCC11, 50 'cost' => 10 51 ); 52 } 53 54 } 55 56 57 class imscc11_store_backup_file extends backup_execution_step { 58 59 protected function define_execution() { 60 61 // Get basepath 62 $basepath = $this->get_basepath(); 63 64 // Calculate the zip fullpath (in OS temp area it's always backup.imscc) 65 $zipfile = $basepath . '/backup.imscc'; 66 67 // Perform storage and return it (TODO: shouldn't be array but proper result object) 68 // Let's send the file to file storage, everything already defined 69 // First of all, get some information from the backup_controller to help us decide 70 list($dinfo, $cinfo, $sinfo) = backup_controller_dbops::get_moodle_backup_information($this->get_backupid()); 71 72 // Extract useful information to decide 73 $file = $sinfo['filename']->value; 74 $filename = basename($file,'.'.pathinfo($file, PATHINFO_EXTENSION)).'.imscc'; // Backup filename 75 $userid = $dinfo[0]->userid; // User->id executing the backup 76 $id = $dinfo[0]->id; // Id of activity/section/course (depends of type) 77 $courseid = $dinfo[0]->courseid; // Id of the course 78 79 $ctxid = context_user::instance($userid)->id; 80 $component = 'user'; 81 $filearea = 'backup'; 82 $itemid = 0; 83 $fs = get_file_storage(); 84 $fr = array( 85 'contextid' => $ctxid, 86 'component' => $component, 87 'filearea' => $filearea, 88 'itemid' => $itemid, 89 'filepath' => '/', 90 'filename' => $filename, 91 'userid' => $userid, 92 'timecreated' => time(), 93 'timemodified'=> time()); 94 // If file already exists, delete if before 95 // creating it again. This is BC behaviour - copy() 96 // overwrites by default 97 if ($fs->file_exists($fr['contextid'], $fr['component'], $fr['filearea'], $fr['itemid'], $fr['filepath'], $fr['filename'])) { 98 $pathnamehash = $fs->get_pathname_hash($fr['contextid'], $fr['component'], $fr['filearea'], $fr['itemid'], $fr['filepath'], $fr['filename']); 99 $sf = $fs->get_file_by_hash($pathnamehash); 100 $sf->delete(); 101 } 102 103 return array('backup_destination' => $fs->create_file_from_pathname($fr, $zipfile)); 104 } 105 } 106 107 class imscc11_zip_contents extends backup_execution_step { 108 109 protected function define_execution() { 110 111 // Get basepath 112 $basepath = $this->get_basepath(); 113 114 // Get the list of files in directory 115 $filestemp = get_directory_list($basepath, '', false, true, true); 116 $files = array(); 117 foreach ($filestemp as $file) { 118 // Add zip paths and fs paths to all them 119 $files[$file] = $basepath . '/' . $file; 120 } 121 122 // Calculate the zip fullpath (in OS temp area it's always backup.mbz) 123 $zipfile = $basepath . '/backup.imscc'; 124 125 // Get the zip packer 126 $zippacker = get_file_packer('application/zip'); 127 128 // Zip files 129 $zippacker->archive_to_pathname($files, $zipfile); 130 } 131 } 132 133 class imscc11_backup_convert extends backup_execution_step { 134 135 protected function define_execution() { 136 global $CFG; 137 // Get basepath 138 $basepath = $this->get_basepath(); 139 140 require_once($CFG->dirroot . '/backup/cc/cc_includes.php'); 141 142 $tempdir = $CFG->backuptempdir . '/' . uniqid('', true); 143 144 if (mkdir($tempdir, $CFG->directorypermissions, true)) { 145 146 cc_convert_moodle2::convert($basepath, $tempdir); 147 //Switch the directories 148 if (empty($CFG->keeptempdirectoriesonbackup)) { 149 fulldelete($basepath); 150 } else { 151 if (!rename($basepath, $basepath . '_moodle2_source')) { 152 throw new backup_task_exception('failed_rename_source_tempdir'); 153 } 154 } 155 156 if (!rename($tempdir, $basepath)) { 157 throw new backup_task_exception('failed_move_converted_into_place'); 158 } 159 160 } 161 } 162 } 163 164 165
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