class.ilFSStorageExercise.php

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<?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 ilFSStorageExercise extends ilFileSystemStorage
{
        public function __construct($a_container_id = 0, $a_ass_id = 0)
        {
                $this->ass_id = $a_ass_id;
                parent::__construct(self::STORAGE_DATA,true,$a_container_id);
        }
        
        function init()
        {
                if (parent::init())
                {
                        if ($this->ass_id > 0)
                        {
                                $this->submission_path = $this->path."/subm_".$this->ass_id;
                                $this->tmp_path = $this->path."/tmp_".$this->ass_id;
                                $this->feedb_path = $this->path."/feedb_".$this->ass_id;
                                $this->multi_feedback_upload_path = $this->path."/mfb_up_".$this->ass_id;
                                $this->peer_review_upload_path =  $this->path."/peer_up_".$this->ass_id;
                                $this->path.= "/ass_".$this->ass_id;
                        }
                }
                else
                {
                        return false;
                }
                return true;
        }
        
        
        protected function getPathPostfix()
        {
                return 'exc';
        }
        
        protected function getPathPrefix()
        {
                return 'ilExercise';
        }
        
        function getAbsoluteSubmissionPath()
        {
                return $this->submission_path;
        }
        
        function getTempPath()
        {
                return $this->tmp_path;
        }

        function getFeedbackPath($a_user_id)
        {
                $path = $this->feedb_path."/".$a_user_id;
                if(!file_exists($path))
                {
                        ilUtil::makeDirParents($path);
                }
                return $path;
        }
        
        function getGlobalFeedbackPath()
        {
                $path = $this->feedb_path."/0";
                if(!file_exists($path))
                {
                        ilUtil::makeDirParents($path);
                }
                return $path;
        }

        function getMultiFeedbackUploadPath($a_user_id)
        {
                $path = $this->multi_feedback_upload_path."/".$a_user_id;
                if(!file_exists($path))
                {
                        ilUtil::makeDirParents($path);
                }
                return $path;
        }
        
        function getPeerReviewUploadPath($a_peer_id, $a_giver_id, $a_crit_id)
        {
                $path = $this->peer_review_upload_path."/".$a_peer_id."/".$a_giver_id."/";

                if((int)$a_crit_id)
                {
                        $path .= (int)$a_crit_id."/";
                }
                if(!file_exists($path))
                {
                        ilUtil::makeDirParents($path);
                }
                return $path;
        }
                
        public function create()
        {
                parent::create();
                if(!file_exists($this->submission_path))
                {
                        ilUtil::makeDirParents($this->submission_path);
                }
                if(!file_exists($this->tmp_path))
                {
                        ilUtil::makeDirParents($this->tmp_path);
                }
                if(!file_exists($this->feedb_path))
                {
                        ilUtil::makeDirParents($this->feedb_path);
                }
                return true;
        }

        function getFiles()
        {
                $files = array();
                if (!is_dir($this->path))
                {
                        return $files;
                }

                $dp = opendir($this->path);
                while($file = readdir($dp))
                {
                        if(!is_dir($this->path.'/'.$file))
                        {
                                $files[] = array(
                                        'name'     => $file,
                                        'size'     => filesize($this->path.'/'.$file),
                                        'ctime'    => filectime($this->path.'/'.$file),
                                        'fullpath' => $this->path.'/'.$file);
                        }
                }
                closedir($dp);
                $files = ilUtil::sortArray($files, "name", "asc");
                return $files;
        }
        
        
        
        function uploadFile($a_http_post_file, $user_id, $is_unziped = false)
        {
                $this->create();
                
                // TODO:
                // CHECK UPLOAD LIMIT


                //
                $result = false;
                if(isset($a_http_post_file) && $a_http_post_file['size'])
                {
                        $filename = $a_http_post_file['name'];

                        include_once("./Services/Utilities/classes/class.ilFileUtils.php");
                        $filename = ilFileUtils::getValidFilename($filename);

                        // replace whitespaces with underscores
                        $filename = preg_replace("/\s/", "_", $filename);
                        // remove all special characters
                        $filename = preg_replace("/[^_a-zA-Z0-9\.]/", "", $filename);

                        if(!is_dir($savepath = $this->getAbsoluteSubmissionPath()))
                        {
                                ilUtil::makeDir($savepath);
                        }
                        $savepath .= '/' .$user_id;
                        if(!is_dir($savepath))
                        {
                                ilUtil::makeDir($savepath);
                        }

                        // CHECK IF FILE PATH EXISTS
                        if (!is_dir($savepath))
                        {
                                ilUtil::makeDir($savepath);
                        }
                        $now = getdate();
                        $prefix = sprintf("%04d%02d%02d%02d%02d%02d", $now["year"], $now["mon"], $now["mday"], $now["hours"],
                                                          $now["minutes"], $now["seconds"]);

                        if (!$is_unziped)
                        {
                                ilUtil::moveUploadedFile($a_http_post_file["tmp_name"], $a_http_post_file["name"],
                                $savepath . "/" . $prefix . "_" . $filename);
                        }
                        else
                        {

                                rename($a_http_post_file['tmp_name'],
                                $savepath . "/" . $prefix . "_" . $filename);
                        }

                        require_once "./Services/MediaObjects/classes/class.ilObjMediaObject.php";

                        if (is_file($savepath . "/" . $prefix . "_" . $filename))
                        {
                                $result = array(
                                        "filename" => $prefix . "_" . $filename,
                                        "fullname" => $savepath . "/" . $prefix . "_" . $filename,
                                        "mimetype" =>   ilObjMediaObject::getMimeType($savepath . "/" . $prefix . "_" . $filename)
                                );
                        }
                }
                return $result;
        }

        function getFeedbackFiles($a_user_id)
        {
                $files = array();
        
                $dir = $this->getFeedbackPath($a_user_id);              
                if (@is_dir($dir))
                {
                        $dp = opendir($dir);
                        while($file = readdir($dp))
                        {
                                if(!is_dir($this->path.'/'.$file) && substr($file, 0, 1) != ".")
                                {                                       
                                        $files[] = $file;               
                                }
                        }
                }
                
                return $files;
        }
        
        function countFeedbackFiles($a_user_id)
        {
                $fbf = $this->getFeedbackFiles($a_user_id);
                return count($fbf);
        }
        
        function getAssignmentFilePath($a_file)
        {
                return $this->getAbsolutePath()."/".$a_file;
        }
        
        function getFeedbackFilePath($a_user_id, $a_file)
        {
                $dir = $this->getFeedbackPath($a_user_id);
                return $dir."/".$a_file;
        }

        function uploadAssignmentFiles($a_files)
        {
                if (is_array($a_files["name"]))
                {
                        foreach ($a_files["name"] as $k => $name)
                        {
                                if ($name != "")
                                {
                                        $type = $a_files["type"][$k];
                                        $tmp_name = $a_files["tmp_name"][$k];
                                        $size = $a_files["size"][$k];
                                        ilUtil::moveUploadedFile($tmp_name,
                                                basename($name),
                                                $this->path.DIRECTORY_SEPARATOR.basename($name),
                                                false);
                                }
                        }
                }
        }
}
?>