chat/classes/class.ilFileDataChat.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2001 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. |
        +-----------------------------------------------------------------------------+
*/


require_once("classes/class.ilFileData.php");
                                
class ilFileDataChat extends ilFileData
{
        var $chat_obj;

        var $chat_path;

        function ilFileDataChat(&$chat_obj)
        {

                parent::ilFileData();
                
                $this->chat_obj =& $chat_obj;
                $this->chat_path = parent::getPath()."/chat";

                if(!$this->__checkPath())
                {
                        $this->__createDirectory($this->chat_path);
                }
                $this->__deleteOld();
                
                if(@is_dir($this->chat_path."/chatrooms_".$_SESSION["AccountId"]))
                {
                        ilUtil::delDir($this->chat_path."/chatrooms_".$_SESSION["AccountId"]);
                }
                $this->__createDirectory($this->chat_path."/chatrooms_".$_SESSION["AccountId"]);
        }

        function addFile($filename,$data)
        {
                $fp = @fopen($this->chat_path."/chatrooms_".$_SESSION["AccountId"]."/".$filename,"w+");

                fwrite($fp,$data);
                fclose($fp);

                return $this->chat_path."/chatrooms_".$_SESSION["AccountId"];
        }

        function zip()
        {
                ilUtil::zip($this->chat_path."/chatrooms_".$_SESSION["AccountId"],
                                        $this->chat_path."/ilias_chat.zip");

                return $this->chat_path."/ilias_chat.zip";
        }

        function getChatPath()
        {
                return $this->chat_path;
        }

        // DESTUCTOR CALLED BY PEAR BASE CLASS
        function _ilFileDataChat()
        {
                ilUtil::delDir($this->chat_path);
        }
        // PRIVATE
        function __checkPath()
        {
                if(!file_exists($this->getChatPath()))
                {
                        return false;
                }
                return true;
        }

        function __createDirectory($a_path)
        {
                return ilUtil::makeDir($a_path);
        }

        function __deleteOld()
        {
                if(is_dir($this->getChatPath()))
                {
                        $dp = opendir($this->getChatPath());
                        while(($file = readdir($dp)) !== false)
                        {
                                if($file != '.' and $file != '..')
                                {
                                        if(filectime($this->getChatPath()."/".$file) < (time() - 60*60*24))
                                        {
                                                ilUtil::delDir($this->getChatPath()."/".$file);
                                        }
                                }
                        }
                        closedir($dp);
                }
        }
}