/Source/Samples/Shop/Bifrost.Samples.Shop.Domain/Shopping/CartHandlers.cs

using Bifrost.Commands;

using Bifrost.Domain;

using Bifrost.Samples.Shop.Domain.Products;



namespace Bifrost.Samples.Shop.Domain.Shopping

{

	public class CartHandlers : ICommandHandler

	{

		private readonly IAggregatedRootRepository<Cart> _cartRootRepository;

		private readonly IAggregatedRootRepository<Product> _productRootRepository;



		public CartHandlers(

			IAggregatedRootRepository<Cart> cartRootRepository, 

			IAggregatedRootRepository<Product> productRootRepository)

		{

			_cartRootRepository = cartRootRepository;

			_productRootRepository = productRootRepository;

		}





		public void Handle(AddProductToCart productToCart)

		{

			var cart = _cartRootRepository.Find(productToCart.Id);

			if( null == cart )

			{

				cart = Cart.Create(productToCart.Id);

			}

			var product = _productRootRepository.Get(productToCart.ProductId);

			cart.AddProduct(product);

		}

	}

}