class.ilFSStorageCourse.php

Go to the documentation of this file.

<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2006 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program 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 2              |
        | of the License, or (at your option) any later version.                      |
        |                                                                             |
        | This program 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 this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/
 
include_once('Services/FileSystem/classes/class.ilFileSystemStorage.php');
 
class ilFSStorageCourse extends ilFileSystemStorage
{
        const MEMBER_EXPORT_DIR = 'memberExport';
        const INFO_DIR = 'info';
        const ARCHIVE_DIR = 'archives';
        
        private $log;
        public function __construct($a_container_id = 0)
        {
                global $log;
                
                $this->log = $log;
                parent::__construct(ilFileSystemStorage::STORAGE_DATA,true,$a_container_id);
        }
        
        public static function _clone($a_source_id,$a_target_id)
        {
                $source = new ilFSStorageCourse($a_source_id);
                $target = new ilFSStorageCourse($a_target_id);
                
                $target->create();
                ilFileSystemStorage::_copyDirectory($source->getAbsolutePath(),$target->getAbsolutePath());
                
                // Delete member export files
                $target->deleteDirectory($target->getMemberExportDirectory());
                
                unset($source);
                unset($target);
                return true;
        }
        
        // Info files
        public function initInfoDirectory()
        {
                ilUtil::makeDirParents($this->getInfoDirectory());
        }
        
        public function getInfoDirectory()
        {
                return $this->getAbsolutePath().'/'.self::INFO_DIR;
        }
        
        
        public function initMemberExportDirectory()
        {
                ilUtil::makeDirParents($this->getMemberExportDirectory());
        }
        
        public function getMemberExportDirectory()
        {
                return $this->getAbsolutePath().'/'.self::MEMBER_EXPORT_DIR;
        }
        
        public function addMemberExportFile($a_data,$a_rel_name)
        {
                $this->initMemberExportDirectory();
                if(!$this->writeToFile($a_data,$this->getMemberExportDirectory().'/'.$a_rel_name))
                {
                        $this->log->write('Cannot write to file: '.$this->getMemberExportDirectory().'/'.$a_rel_name);
                        return false;
                }
 
                return true;
                
        }
        
        public function getMemberExportFiles()
        {
                if(!@is_dir($this->getMemberExportDirectory()))
                {
                        return array();
                }
                
                $files = array();
                $dp = @opendir($this->getMemberExportDirectory());
 
                while($file = readdir($dp))
                {
                        if(is_dir($file))
                        {
                                continue;
                        }
                        
                        if(preg_match("/^([0-9]{10})_[a-zA-Z]*_export_([a-z]+)_([0-9]+)\.[a-z]+$/",$file,$matches) and $matches[3] == $this->getContainerId())
                        {
                                $timest = $matches[1];
                                $file_info['name'] = $matches[0];
                                $file_info['timest'] = $matches[1];
                                $file_info['type'] = $matches[2];
                                $file_info['id'] = $matches[3];
                                $file_info['size'] = filesize($this->getMemberExportDirectory().'/'.$file);
                                
                                $files[$timest] = $file_info;
                        }
                }
                closedir($dp);
                return $files ? $files : array();
        }
        
        public function getMemberExportFile($a_name)
        {
                $file_name = $this->getMemberExportDirectory().'/'.$a_name;
                
                if(@file_exists($file_name))
                {
                        return file_get_contents($file_name);
                }
        }
        
        public function deleteMemberExportFile($a_export_name)
        {
                return $this->deleteFile($this->getMemberExportDirectory().'/'.$a_export_name);
        }
        
        // ARCHIVE Methods
        public function initArchiveDirectory()
        {
                ilUtil::makeDirParents($this->getArchiveDirectory());
        }
        
        public function getArchiveDirectory()
        {
                return $this->getAbsolutePath().'/'.self::ARCHIVE_DIR;
        }
        
        public function addArchiveSubDirectory($a_name)
        {
                ilUtil::makeDirParents($this->getArchiveDirectory().'/'.$a_name);
        }
        
        public function writeArchiveFile($a_data,$a_rel_name)
        {
                if(!$this->writeToFile($a_data,$this->getArchiveDirectory().'/'.$a_rel_name))
                {
                        $this->log->write('Cannot write to file: '.$this->getArchiveDirectory().'/'.$a_rel_name);
                        return false;
                }
                return true;
        }
        
        public function zipArchive($a_rel_name,$a_zip_name)
        {
                if(ilUtil::zip($this->getArchiveDirectory().'/'.$a_rel_name,$this->getArchiveDirectory().'/'.$a_zip_name))
                {
                        return filesize($this->getArchiveDirectory().'/'.$a_zip_name);
                }
                return 0;
        }
        
        public function deleteArchive($a_rel_name)
        {
                $this->deleteFile($this->getArchiveDirectory().'/'.$a_rel_name.'.zip');
                $this->deleteDirectory($this->getArchiveDirectory().'/'.$a_rel_name);
        }
        
        public function createArchiveOnlineVersion($a_rel_name)
        {
                ilUtil::makeDirParents(CLIENT_WEB_DIR.'/courses/'.$a_rel_name);
                ilUtil::rCopy($this->getArchiveDirectory().'/'.$a_rel_name,CLIENT_WEB_DIR.'/courses/'.$a_rel_name);
 
                return true;
        }
        
        public function getOnlineLink($a_rel_name)
        {
                return ilUtil::getWebspaceDir('filesystem').'/courses/'.$a_rel_name.'/index.html';
        }
        
        
        protected function getPathPostfix()
        {
                return 'crs';
        }
        
        protected function getPathPrefix()
        {
                return 'ilCourse';
        }
        
}
 
 
 
 
?>