public static void OnFavoriteMusicalInspiration(int musicalInspirationId) { int userId = Auth.user().Id; FavoritesService service = new FavoritesService(); if (service.IsInspirationalMusicAlreadyInFavorites(userId, musicalInspirationId)) { service.RemoveInspirationalMusic(userId, musicalInspirationId); } else { service.AddInspirationalMusic(userId, musicalInspirationId); } }