class.ilObjFileDAV.php

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<?php
// BEGIN WebDAV
/*
    +-----------------------------------------------------------------------------+
    | ILIAS open source                                                           |
    +-----------------------------------------------------------------------------+
    | Copyright (c) 1998-2005 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 "class.ilObjectDAV.php";

require_once './Services/History/classes/class.ilHistory.php';
require_once 'Services/Utilities/classes/class.ilUtil.php';
require_once "Modules/File/classes/class.ilObjFile.php";

// NOTE: I changed class.ilObjFile.php to support the functionality needed by this handler.

class ilObjFileDAV extends ilObjectDAV
{
    public function __construct($refid, $obj = null)
    {
        parent::__construct($refid, $obj);
              
        // Set debug to true, if you want to get debug output for this
               // object
               //$this->isDebug = true;
    }
    
    public function initFromNull()
    {
        $this->obj->setFileName($this->getResourceName());
        $this->obj->setFileType($this->obj->guessFileType());
        $this->write();
        $this->obj->setPermissions($this->getRefId());
    }
    public function createNewVersion()
    {
        $this->obj->setVersion($this->obj->getVersion() + 1);
        ilHistory::_createEntry(
            $this->obj->getId(),
            "replace",
            $this->obj->getFileName() . "," . $this->obj->getVersion()
        );
    }

    
    public function getResourceType()
    {
        return "";
    }

    public function getContentType()
    {
        //return $this->obj->getFileType();
        return  $this->obj->guessFileType();
    }
    public function setContentType($type)
    {
        $this->obj->setFileType($type);
    }
    public function setContentLength($length)
    {
        $this->writeLog('setContentLength(' . $length . ')');
        $this->obj->setFileSize($length);
    }
    public function getContentLength()
    {
        return ilObjFile::_lookupFileSize($this->obj->getId());
    }
    public function getContentStream()
    {
        $file = $this->obj->getFile();
        return (file_exists($file)) ? fopen($file, 'r') : null;
    }
    public function getContentOutputStream()
    {
        $file = $this->obj->getFile();
        $parent = dirname($file);
        if (!file_exists($parent)) {
            ilUtil::makeDirParents($parent);
        }
        
        return fopen($file, 'w');
    }
    public function getContentOutputStreamLength()
    {
        $file = $this->obj->getFile();
        return file_exists($file) ? filesize($file) : 0;
    }
    public function getContentData()
    {
        return null;
    }
    public function read()
    {
        if (is_null($this->obj)) {
            $this->obj = new ilObjFile($this->getRefId(), true);
            $this->obj->read();
        }
    }
    public function write()
    {
        $this->isNewFile = $this->obj->getVersion() == 0;
        if ($this->isNewFile) {
            $this->obj->setVersion(1);
        }
        parent::write();
        /*
        ilHistory::_createEntry($this->getObjectId(), 'update', '', '','', true);
        */
    }
}
// END WebDAV