public function executeDeleteVideo()
{
$cat_video = CatalogVideoPeer::retrieveByPk($this->getRequestParameter('id'));
$this->forward404Unless($cat_video);
$tmp_dir = sfConfig::get('sf_root_dir') . DIRECTORY_SEPARATOR . 'muslim' . DIRECTORY_SEPARATOR . 'video' . DIRECTORY_SEPARATOR;
unlink($tmp_dir . DIRECTORY_SEPARATOR . $cat_video->getVideo());
$cat_video->delete();
return $this->redirect('collection/edit?id=' . $this->getRequestParameter('catalog_id'));
}