public async Task AddToFavorites(int id) { var userId = _userContextService.GetUserId; if (userId == null) { throw new ForbidException(); } var recipe = await _recipesRepository.Get(id); if (recipe == null) { throw new NotFoundException($"Recipe with id: {id} not found"); } var favorite = await _recipesRepository .GetFavorite(id, (int)userId); if (favorite != null) { throw new BadRequestException( $"User already have recipe with id: {id} in favorites"); } await _recipesRepository.AddRecipeToFavorite(id, (int)userId); }