class.ilFileDataImportGroup.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */


require_once("./Services/FileSystem/classes/class.ilFileDataImport.php");
                                
class ilFileDataImportGroup extends ilFileDataImport
{
        var $group_path;

        var $files;
        var $xml_file;
        

        function ilFileDataImportGroup()
        {
                define('GROUP_IMPORT_PATH','group');
                parent::ilFileDataImport();
                $this->group_path = parent::getPath()."/".GROUP_IMPORT_PATH;

                // IF DIRECTORY ISN'T CREATED CREATE IT
                // CALL STATIC TO AVOID OVERWRITE PROBLEMS
                ilFileDataImportGroup::_initDirectory();
                $this->__readFiles();
        }

        function getFiles()
        {
                return $this->files ? $this->files : array();
        }

        function getXMLFile()
        {
                return $this->xml_file;
        }

        function getObjectFile()
        {
                return $this->object_file;
        }

        function storeUploadedFile($a_http_post_file)
        {
                // TODO: 
                // CHECK UPLOAD LIMIT
                // 

                if(isset($a_http_post_file) && $a_http_post_file['size'])
                {
                        // DELETE OLD FILES
                        $this->unlinkLast();
                        
                        ilUtil::moveUploadedFile($a_http_post_file['tmp_name'],
                                $a_http_post_file['name'], $this->getPath().'/'.$a_http_post_file['name']);


                        // UPDATE FILES LIST
                        $this->__readFiles();
                        return true;
                }
                else
                {
                        return false;
                }
        }
        function findXMLFile($a_dir = '')
        {
                $a_dir = $a_dir ? $a_dir : $this->getPath();

                $this->__readFiles($a_dir);

                foreach($this->getFiles() as $file_data)
                {
                        if(is_dir($file_data["abs_path"]))
                        {
                                $this->findXMLFile($file_data["abs_path"]);
                        }
                        if(($tmp = explode(".",$file_data["name"])) !== false)
                        {
                                if($tmp[count($tmp) - 1] == "xml")
                                {
                                        return $this->xml_file = $file_data["abs_path"];
                                }
                        }
                }
                return $this->xml_file;
        }

        function findObjectFile($a_file,$a_dir = '')
        {
                $a_dir = $a_dir ? $a_dir : $this->getPath();

                $this->__readFiles($a_dir);

                foreach($this->getFiles() as $file_data)
                {
                        if(is_dir($file_data["abs_path"]))
                        {
                                $this->findObjectFile($a_file,$file_data["abs_path"]);
                        }
                        if($file_data["name"] == $a_file)
                        {
                                return $this->object_file = $file_data["abs_path"];
                        }
                }
                return $this->object_file;
        }
                        


        function unzip()
        {
                foreach($this->getFiles() as $file_data)
                {
                        ilUtil::unzip($file_data["abs_path"]);
                        
                        return true;
                }
                return false;
        }

        function getPath()
        {
                return $this->group_path;
        }

        function unlinkLast()
        {
                foreach($this->getFiles() as $file_data)
                {
                        if(is_dir($file_data["abs_path"]))
                        {
                                ilUtil::delDir($file_data["abs_path"]);
                        }
                        else
                        {
                                unlink($file_data["abs_path"]);
                        }
                }
                return true;
        }
        // PRIVATE METHODS
        function __readFiles($a_dir = '')
        {
                $a_dir = $a_dir ? $a_dir : $this->getPath();

                $this->files = array();
                $dp = opendir($a_dir);

                while($file = readdir($dp))
                {
                        if($file == "." or $file == "..")
                        {
                                continue;
                        }
                        $this->files[] = array(
                                'name'                  => $file,
                                'abs_path'              => $a_dir."/".$file,
                                'size'                  => filesize($a_dir."/".$file),
                                'ctime'                 => ilFormat::formatDate(date('Y-m-d H:i:s',filectime($a_dir.'/'.$file))));
                }
                closedir($dp);

                return true;
        }

        function __checkReadWrite()
        {
                if(is_writable($this->group_path) && is_readable($this->group_path))
                {
                        return true;
                }
                else
                {
                        $this->ilias->raiseError("Group import directory is not readable/writable by webserver",$this->ilias->error_obj->FATAL);
                }
        }
        function _initDirectory()
        {
                if(!@file_exists($this->group_path))
                {
                        ilUtil::makeDir($this->group_path);
                }
                return true;
        }
}