public function actionBulk(Request $request, Registration $Registration)
 {
     $input = $request->all();
     if (empty($input['table_records'])) {
         return redirect()->route('registration.registrations.index');
     }
     $ids = $input['table_records'];
     $registration = Registration::find($ids[0]);
     $exceptions_message = '';
     switch ($input['submit']) {
         case 'delete':
             $Registration->destroy($ids);
             $message = trans('registration::registrations.delete_bulk_success');
             break;
         case 'update':
             foreach ($ids as $id) {
                 $registration = Registration::with('student')->findOrFail($id);
                 $current_step_id = $registration->registration_step_id;
                 $input = $request->all();
                 foreach ($input as $key => $value) {
                     if (empty($value)) {
                         $input[$key] = NULL;
                     }
                 }
                 if (!empty($input['registration_step_id']) and RegistrationStep::find($input['registration_step_id'])->files_done == 1) {
                     $registration->load('files');
                     if ($registration->files->whereLoose('valid', 0)->count()) {
                         $exceptions_message = 'لم يتم تغيير حالة بعض الطلبات بسبب توفرها على وثائق غير مكتملة';
                         continue;
                     }
                 }
                 $registration->fill($input);
                 if (!$registration->student and (!empty($input['registration_step_id']) and $input['registration_step_id'] != $current_step_id) and $registration->save()) {
                     event(new RegistrationStepChanged($registration, ['comment' => $input['comment'], 'notes' => request('registration_step_note_id')]));
                 }
             }
             $message = trans('registration::registrations.update_bulk_success');
             break;
     }
     $redirect = redirect()->route('registration.registrations.index', $registration->id)->with('success', $message);
     if ($exceptions_message) {
         $redirect->with('warning', $exceptions_message);
     }
     return $redirect;
 }