public function actionDelete($id)
{
Yii::$app->response->format = Response::FORMAT_JSON;
$routes = $this->module->routes;
$model = Mediafile::findOne($id);
if ($model->isImage()) {
$model->deleteThumbs($routes);
}
$model->deleteFile($routes);
$model->delete();
return ['success' => 'true'];
}