public function postDelete()
 {
     if (Input::has('id')) {
         DB::transaction(function () {
             $client = Client::find(Input::get('id'));
             if (!empty($client->logo)) {
                 File::delete($client->logo);
             }
             Client::destroy(Input::get('id'));
             echo "1";
         });
         $this->clearCache();
     } else {
         echo "0";
     }
 }