public function deleteIterinary(Request $request)
 {
     $request = $request->all();
     $token = $request['token'];
     $iterinary_id = $request['iterinary_id'];
     $error_bag = [];
     $input_bag = ['token' => $token, 'iterinary id' => $iterinary_id];
     $i = 0;
     foreach ($input_bag as $key => $value) {
         $value = trim($value);
         if (empty($value)) {
             $error_bag[$i] = "{$key} empty";
             $i++;
         } else {
             //
         }
     }
     //filter of false or null values
     if (array_filter($error_bag)) {
         return response()->json($error_bag, 400);
     }
     $user = UserSessionHandler::getByToken($token);
     $user->iterinaries()->detach($iterinary_id);
     return response()->json('delete successful', 200);
 }