LearningMVC/SportsStore.WebUI/Controllers/CartController.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using SportsStore.Domain.Abstract;
using SportsStore.Domain.Entities;
using SportsStore.WebUI.Models;

namespace SportsStore.WebUI.Controllers
{
    public class CartController : Controller
    {
		private IProductRepository repository;
		private IOrderProcessor orderProcessor;

		public CartController(IProductRepository repo, IOrderProcessor proc)
		{
			repository = repo;
			orderProcessor = proc;
		}

		public ViewResult Index(Cart cart, string returnUrl)
		{
			return View(new CartIndexViewModel { ReturnUrl = returnUrl, Cart = cart });
		}

		public RedirectToRouteResult AddToCart(Cart cart, int productId, string returnUrl)
		{
			Product product = repository.Products
				.FirstOrDefault(p => p.ProductID == productId);

			if (product != null)
			{
				//GetCart().AddItem(product, 1);
				cart.AddItem(product, 1);
			}

			return RedirectToAction("Index", new { returnUrl });
		}

		public RedirectToRouteResult RemoveFromCart(Cart cart, int productId, string returnUrl)
		{
			Product product = repository.Products
				.FirstOrDefault(p => p.ProductID == productId);

			if (product != null)
			{
				//GetCart().RemoveLine(product);
				cart.RemoveLine(product);
			}

			return RedirectToAction("Index", new { returnUrl });
		}

		//private Cart GetCart()
		//{
		//	Cart cart = (Cart)Session["Cart"];
		//	if (cart == null)
		//	{
		//		cart = new Cart();
		//		Session["Cart"] = cart;
		//	}

		//	return cart;
		//}

		public PartialViewResult Summary(Cart cart)
		{
			return PartialView(cart);
		}

		public ViewResult Checkout()
		{
			return View(new ShippingDetails());
		}

		[HttpPost]
		public ViewResult Checkout(Cart cart, ShippingDetails shippingDetails)
		{
			if (cart.Lines.Count() == 0)
			{
				ModelState.AddModelError("", "Sorry, your cart is empty!");
			}

			if (ModelState.IsValid)
			{
				orderProcessor.ProcessOrder(cart, shippingDetails);
				cart.Clear();
				return View("Completed");
			}
			else
			{
				return View(shippingDetails);
			}
		}

    }
}