public async Task <IHttpActionResult> AddToFavorite(WeatherStation model) { var id = authRepository.GetUserId(); if (model == null) { return(BadRequest("model cannot be null")); } if (await favoriteRepository.AddFavoriteStationValidator(model, id) == false) { return(BadRequest("There is already same weather station")); } await favoriteRepository.Add(model, id); return(Ok()); }