public function deleteAction()
 {
     $fc = FrontController::getInstance();
     $file = new FilesModel();
     $params = $fc->getParams();
     if (preg_match("/^[a-zA-Z0-9_]+(_[\\d]+s|).txt\$/", $params['filename'])) {
         $file->deleteTextFile($params['filename']);
         $file->getStatus();
     }
 }