public function actionAddDolzhnostToKomissiya()
 {
     \Yii::$app->response->format = Response::FORMAT_JSON;
     $existed_dolzhnost = DolzhnostAttestacionnojKomissii::find()->where(['attestacionnaya_komissiya' => $_REQUEST['komissiya_id'], 'dolzhnost' => $_REQUEST['dolzhnost_id']])->one();
     if (!$existed_dolzhnost) {
         $new_dolzhnost_v_komissii = new DolzhnostAttestacionnojKomissii();
         $new_dolzhnost_v_komissii->attestacionnaya_komissiya = $_REQUEST['komissiya_id'];
         $new_dolzhnost_v_komissii->dolzhnost = $_REQUEST['dolzhnost_id'];
         if ($new_dolzhnost_v_komissii->validate() && $new_dolzhnost_v_komissii->save()) {
             $dolzhnost = Dolzhnost::findOne($new_dolzhnost_v_komissii->dolzhnost);
             return ['type' => 'success', 'data' => $dolzhnost];
         } else {
             return ['type' => 'error', 'msg' => 'Ошибка при сохранении данных'];
         }
     } else {
         return ['type' => 'error', 'msg' => 'Выбранная должность уже добавлена'];
     }
 }