class.ilSurveyQuestionpoolExport.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. |
        +-----------------------------------------------------------------------------+
*/

include_once "./Modules/Survey/classes/inc.SurveyConstants.php";

class ilSurveyQuestionpoolExport
{
        var $err;                       // error object
        var $db;                        // database object
        var $ilias;                     // ilias object
        var $spl_obj;           // survey questionpool object
        var $inst_id;           // installation id
        var $mode;

        function ilSurveyQuestionpoolExport(&$a_spl_obj, $a_mode = "xml")
        {
                global $ilErr, $ilDB, $ilias;

                $this->spl_obj =& $a_spl_obj;

                $this->err =& $ilErr;
                $this->ilias =& $ilias;
                $this->db =& $ilDB;
                $this->mode = $a_mode;

                $settings = $this->ilias->getAllSettings();
                $this->inst_id = IL_INST_ID;

                $date = time();
                switch($this->mode)
                {
                        default:
                                $this->export_dir = $this->spl_obj->getExportDirectory();
                                $this->subdir = $date."__".$this->inst_id."__".
                                        "spl"."_".$this->spl_obj->getId();
                                $this->filename = $this->subdir.".xml";
                                break;
                }
        }

        function getInstId()
        {
                return $this->inst_id;
        }


        function buildExportFile($questions = null)
        {
                switch ($this->mode)
                {
                        default:
                                return $this->buildExportFileXML($questions);
                                break;
                }
        }

        function buildExportFileXML($questions = null)
        {
                global $ilBench;

                $ilBench->start("SurveyQuestionpoolExport", "buildExportFile");

                // create directories
                $this->spl_obj->createExportDirectory();
                include_once "./Services/Utilities/classes/class.ilUtil.php";
                ilUtil::makeDir($this->export_dir."/".$this->subdir);

                // get Log File
                include_once "./Services/Logging/classes/class.ilLog.php";
                $expLog = new ilLog($this->spl_obj->getExportDirectory(), "export.log");
                $expLog->delete();
                $expLog->setLogFormat("");
                $expLog->write(date("[y-m-d H:i:s] ")."Start Export");
                // write qti file
                $qti_file = fopen($this->export_dir."/".$this->subdir."/". $this->filename, "w");
                fwrite($qti_file, $this->spl_obj->toXML($questions));
                fclose($qti_file);
                // destroy writer object
                $this->xml->_XmlWriter;

                ilUtil::zip($this->export_dir."/".$this->subdir,
                        $this->export_dir."/".$this->subdir.".zip");

                $expLog->write(date("[y-m-d H:i:s] ")."Finished Export");
                $ilBench->stop("SurveyQuestionpoolExport", "buildExportFile");

                return $this->export_dir."/".$this->subdir.".zip";
        }
}

?>