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<?
# Lifter002: TODO
# Lifter007: TODO
/**
* CalendarExportFile.class.php
*
* 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.
*
* @author Peter Thienel <thienel@data-quest.de>, Suchi & Berg GmbH <info@data-quest.de>
* @license http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
* @category Stud.IP
* @package calendar
*/
class CalendarExportFile extends CalendarExport
{
private $file_name = 'studip';
private $tmp_file_name;
private $path;
public function __construct(&$writer, $path = null, $file_name = null)
{
global $TMP_PATH;
parent::__construct($writer);
if (!$file_name) {
$this->tmp_file_name = $this->makeUniqueFilename();
$this->file_name .= '.' . $writer->getDefaultFileNameSuffix();
} else {
$this->file_name = $file_name;
$this->tmp_file_name = $file_name;
}
if (!$path) {
$this->path = $TMP_PATH . '/';
}
$this->_writer = $writer;
}
public function exportFromDatabase($range_id = null, $start = 0, $end = Calendar::CALENDAR_END, $event_types = null, $except = null)
{
$this->_createFile();
parent::exportFromDatabase($range_id, $start, $end, $event_types, $except);
$this->_closeFile();
}
public function exportFromObjects($events)
{
$this->_createFile();
parent::exportFromObjects($events);
$this->_closeFile();
}
public function sendFile()
{
if (file_exists($this->path . $this->tmp_file_name)) {
header('Location: ' . FileManager::getDownloadURLForTemporaryFile($this->tmp_file_name, $this->file_name));
} else {
throw new CalendarExportException(_('Die Export-Datei konnte nicht erstellt werden!'));
}
}
public function makeUniqueFileName()
{
return md5(uniqid(rand() . "Stud.IP Calendar"));
}
// returns file handle
public function getExport()
{
return $this->export;
}
public function getFileName()
{
return $this->file_name;
}
public function getTempFileName()
{
return $this->tmp_file_name;
}
public function _createFile()
{
if (!(is_dir($this->path))) {
if (!mkdir($this->path)) {
var_dump($this->path); exit;
throw new CalendarExportException(_('Das Export-Verzeichnis konnte nicht angelegt werden!'));
} else {
if (!chmod($this->path, 0777)) {
throw new CalendarExportException(_('Die Zugriffsrechte auf das Export-Verzeichnis konnten nicht geändert werden!'));
}
}
}
if (file_exists($this->path . $this->tmp_file_name)) {
if (!unlink($this->path . $this->tmp_file_name)) {
throw new CalendarExportException(_('Eine bestehende Export-Datei konnte nicht gelöscht werden!'));
}
}
$this->export = fopen($this->path . $this->tmp_file_name, "wb");
if (!$this->export) {
throw new CalendarExportException(_("Die Export-Datei konnte nicht erstellt werden!"));
}
}
public function _export($exp)
{
fwrite($this->export, $exp);
}
public function _closeFile()
{
fclose($this->export);
}
}
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