10.2.2.1 Helping the Controller Select a View; Listing 10-5 Updating the Menu Action Method in the NavController.cs File

SportsStore/SportsStore.Domain/Abstract/IOrderProcessor.cs

@@ -0,0 +1,14 @@
+using SportsStore.Domain.Entities;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SportsStore.Domain.Abstract
+{
+    public interface IOrderProcessor
+    {
+        void ProcessOrder(Cart cart, ShippingDetails shippingDetails);
+    }
+}

SportsStore/SportsStore.Domain/Concrete/EmailOrderProcessor.cs

@@ -0,0 +1,93 @@
+using SportsStore.Domain.Abstract;
+using SportsStore.Domain.Entities;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Net.Mail;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SportsStore.Domain.Concrete
+{
+    public class EmailSettings
+    {
+        public string MailToAddress = "orders@example.com";
+        public string MailFromAddress = "sportsstore@example.com";
+        public bool UseSsl = true;
+        public string Username = "MySmtpUsername";
+        public string Password = "MySmtpPassword";
+        public string Servername = "smtp.example.com";
+        public int ServerPort = 587;
+        public bool WriteAsFile = false;
+        public string FileLocation = @"C:\Users\jason.zhu";
+    }
+
+    public class EmailOrderProcessor : IOrderProcessor
+    {
+        private EmailSettings emailSettings;
+        public EmailOrderProcessor(EmailSettings settings)
+        {
+            emailSettings = settings;
+        }
+
+        public void ProcessOrder(Cart cart, ShippingDetails shippingInfo)
+        {
+            using (var smtpClient = new SmtpClient())
+            {
+                smtpClient.EnableSsl = emailSettings.UseSsl;
+                smtpClient.Host = emailSettings.Servername;
+                smtpClient.Port = emailSettings.ServerPort;
+                smtpClient.UseDefaultCredentials = false;
+                smtpClient.Credentials = new NetworkCredential(
+                    emailSettings.Username,
+                    emailSettings.Password);
+
+                if (emailSettings.WriteAsFile)
+                {
+                    smtpClient.DeliveryMethod = SmtpDeliveryMethod.SpecifiedPickupDirectory;
+                    smtpClient.PickupDirectoryLocation = emailSettings.FileLocation;
+                    smtpClient.EnableSsl = false;
+                }
+                StringBuilder body = new StringBuilder()
+                    .AppendLine("A new order has been submitted")
+                    .AppendLine("---")
+                    .AppendLine("Items:");
+
+                foreach (var line in cart.Lines)
+                {
+                    var subtotal = line.Product.Price * line.Quantity;
+                    body.AppendFormat("{0} x {1} (subtotal: {2:c}", line.Quantity, line.Product.Name, subtotal);
+                }
+
+                body.AppendFormat("Total order value: {0:c}", cart.ComputeTotalValue())
+                    .AppendLine("---")
+                    .AppendLine("Ship to:")
+                    .AppendLine(shippingInfo.Name)
+                    .AppendLine(shippingInfo.Line1)
+                    .AppendLine(shippingInfo.Line2 ?? "")
+                    .AppendLine(shippingInfo.Line3 ?? "")
+                    .AppendLine(shippingInfo.City)
+                    .AppendLine(shippingInfo.State ?? "")
+                    .AppendLine(shippingInfo.Country)
+                    .AppendLine(shippingInfo.Zip)
+                    .AppendLine("---")
+                    .AppendFormat("Gift wrap: {0}", shippingInfo.GiftWrap ? "Yes" : "No");
+
+                MailMessage mailMessage = new MailMessage(
+                    emailSettings.MailFromAddress,   // From
+                                                       emailSettings.MailToAddress,     // To
+                                                      "New order submitted!",          // Subject
+                                                       body.ToString());                // Body
+
+                if (emailSettings.WriteAsFile)
+                {
+                    mailMessage.BodyEncoding = Encoding.ASCII;
+                }
+
+                smtpClient.Send(mailMessage);
+            }
+
+        }
+    }
+}

SportsStore/SportsStore.Domain/Entities/Cart.cs

@@ -0,0 +1,59 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SportsStore.Domain.Entities
+{
+    public class Cart
+    {
+        private List<CartLine> lineCollection = new List<CartLine>();
+
+        public void AddItem(Product product, int quantity)
+        {
+            CartLine line = lineCollection
+                .Where(p => p.Product.ProductID == product.ProductID)
+                .FirstOrDefault();
+
+            if (line == null)
+            {
+                lineCollection.Add(new CartLine
+                {
+                    Product = product,
+                    Quantity = quantity
+                });
+            }
+            else
+            {
+                line.Quantity += quantity;
+            }
+        }
+
+        public void RemoveLine(Product product)
+        {
+            lineCollection.RemoveAll(l => l.Product.ProductID == product.ProductID);
+        }
+
+        public decimal ComputeTotalValue()
+        {
+            return lineCollection.Sum(e => e.Product.Price * e.Quantity);
+        }
+
+        public void Clear()
+        {
+            lineCollection.Clear();
+        }
+
+        public IEnumerable<CartLine> Lines
+        {
+            get { return lineCollection; }
+        }
+    }
+
+    public class CartLine
+    {
+        public Product Product { get; set; }
+        public int Quantity { get; set; }
+    }
+}

SportsStore/SportsStore.Domain/Entities/ShippingDetails.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SportsStore.Domain.Entities
+{
+    public class ShippingDetails
+    {
+        [Required(ErrorMessage = "Please enter a name")]
+        public string Name { get; set; }
+
+        [Required(ErrorMessage = "Please enter the first address line")]
+        [Display(Name = "Line 1")]
+        public string Line1 { get; set; }
+        [Display(Name = "Line 2")]
+        public string Line2 { get; set; }
+        [Display(Name = "Line 3")]
+        public string Line3 { get; set; }
+
+        [Required(ErrorMessage = "Please enter a city name")]
+        public string City { get; set; }
+
+        [Required(ErrorMessage = "Please enter a state name")]
+        public string State { get; set; }
+
+        public string Zip { get; set; }
+
+        [Required(ErrorMessage = "Please enter a country name")]
+        public string Country { get; set; }
+
+        public bool GiftWrap { get; set; }
+    }
+}

SportsStore/SportsStore.Domain/SportsStore.Domain.csproj

@@ -72,10 +72,14 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Abstract\IOrderProcessor.cs" />
     <Compile Include="Abstract\IProductRepository.cs" />
     <Compile Include="Concrete\EFDbContext.cs" />
     <Compile Include="Concrete\EFProductRepository.cs" />
+    <Compile Include="Concrete\EmailOrderProcessor.cs" />
+    <Compile Include="Entities\Cart.cs" />
     <Compile Include="Entities\Product.cs" />
+    <Compile Include="Entities\ShippingDetails.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>

SportsStore/SportsStore.UnitTests/CartTests.cs

@@ -0,0 +1,271 @@
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using SportsStore.Domain.Entities;
+using System;
+using System.Linq;
+using System.Security.AccessControl;
+using System.Web.Mvc;
+using Moq;
+using SportsStore.Domain.Abstract;
+using SportsStore.WebUI.Controllers;
+using SportsStore.WebUI.Models;
+
+namespace SportsStore.UnitTests
+{
+    [TestClass]
+    public class CartTests
+    {
+        [TestMethod]
+        public void Can_Add_New_Lines()
+        {
+            // Arrange - create some test products
+            Product p1 = new Product { ProductID = 1, Name = "P1" };
+            Product p2 = new Product { ProductID = 2, Name = "P2" };
+
+            // Arrange - create a new cart
+            Cart target = new Cart();
+
+            // Act
+            target.AddItem(p1, 1);
+            target.AddItem(p2, 1);
+            CartLine[] results = target.Lines.ToArray();
+
+            // Assert
+            Assert.AreEqual(results.Length, 2);
+            Assert.AreEqual(results[0].Product, p1);
+            Assert.AreEqual(results[1].Product, p2);
+        }
+
+        [TestMethod]
+        public void Can_Add_Quantity_For_Existing_Lines()
+        {
+            // Arrange - create some test products
+            Product p1 = new Product { ProductID = 1, Name = "P1" };
+            Product p2 = new Product { ProductID = 2, Name = "P2" };
+
+            // Arrange - create a new cart
+            Cart target = new Cart();
+
+            // Act
+            target.AddItem(p1, 1);
+            target.AddItem(p2, 1);
+            target.AddItem(p1, 10);
+            CartLine[] results = target.Lines.OrderBy(c => c.Product.ProductID).ToArray();
+
+            // Assert
+            Assert.AreEqual(results.Length, 2);
+            Assert.AreEqual(results[0].Quantity, 11);
+            Assert.AreEqual(results[1].Quantity, 1);
+        }
+
+        [TestMethod]
+        public void Can_Remove_Line()
+        {
+            // Arrange - create some test products
+            Product p1 = new Product { ProductID = 1, Name = "P1" };
+            Product p2 = new Product { ProductID = 2, Name = "P2" };
+            Product p3 = new Product { ProductID = 3, Name = "P3" };
+
+            // Arrange - create a new cart
+            Cart target = new Cart();
+
+            // Arrange - add some products to the cart
+            target.AddItem(p1, 1);
+            target.AddItem(p2, 3);
+            target.AddItem(p3, 5);
+            target.AddItem(p2, 1);
+
+            // Act
+            target.RemoveLine(p2);
+
+            // Assert
+            Assert.AreEqual(target.Lines.Where(c => c.Product == p2).Count(), 0);
+            Assert.AreEqual(target.Lines.Count(), 2);
+        }
+
+        [TestMethod]
+        public void Calculate_Cart_Total()
+        {
+            // Arrange - create some test products
+            Product p1 = new Product { ProductID = 1, Name = "P1", Price = 100M };
+            Product p2 = new Product { ProductID = 2, Name = "P2", Price = 50M };
+
+            // Arrange - create a new cart
+            Cart target = new Cart();
+
+            // Act
+            target.AddItem(p1, 1);
+            target.AddItem(p2, 1);
+            target.AddItem(p1, 3);
+            decimal result = target.ComputeTotalValue();
+
+            // Assert
+            Assert.AreEqual(result, 450M);
+        }
+
+        [TestMethod]
+        public void Can_Clear_Contents()
+        {
+            // Arrange - create some test products
+            Product p1 = new Product { ProductID = 1, Name = "P1", Price = 100M };
+            Product p2 = new Product { ProductID = 2, Name = "P2", Price = 50M };
+
+            // Arrange - create a new cart
+            Cart target = new Cart();
+
+            // Arrange - add some items
+            target.AddItem(p1, 1);
+            target.AddItem(p2, 1);
+
+            // Act - reset the cart
+            target.Clear();
+
+            // Assert
+            Assert.AreEqual(target.Lines.Count(), 0);
+        }
+
+        [TestMethod]
+        public void Can_Add_To_Cart()
+        {
+            // Arrange - create the mock repository
+            Mock<IProductRepository> mock = new Mock<IProductRepository>();
+            mock.Setup(m => m.Products).Returns(new Product[]
+            {
+                new Product { ProductID = 1, Name = "P1", Category = "Apples" },
+            }.AsQueryable());
+
+            // Arrange - create a Cart
+            Cart cart = new Cart();
+
+            // Arrange - create the controller
+            CartController target = new CartController(mock.Object, null);
+
+            // Act - add a product to the cart
+            target.AddToCart(cart, 1, null);
+
+            // Assert
+            Assert.AreEqual(cart.Lines.Count(), 1);
+            Assert.AreEqual(cart.Lines.ToArray()[0].Product.ProductID, 1);
+        }
+
+        [TestMethod]
+        public void Adding_Product_To_Cart_Goes_To_Cart_Screen()
+        {
+            // Arrange - create the mock repository
+            Mock<IProductRepository> mock = new Mock<IProductRepository>();
+            mock.Setup(m => m.Products).Returns(new Product[]
+            {
+                new Product { ProductID = 1, Name = "P1", Category = "Apples" },
+            }.AsQueryable());
+
+            // Arrange - create a Cart
+            Cart cart = new Cart();
+
+            // Arrange - create the controller
+            CartController target = new CartController(mock.Object, null);
+
+            // Act - add a product to the 
+            RedirectToRouteResult result = target.AddToCart(cart, 2, "myUrl");
+
+            // Assert
+            Assert.AreEqual(result.RouteValues["action"], "Index");
+            Assert.AreEqual(result.RouteValues["returnUrl"], "myUrl");
+        }
+
+        [TestMethod]
+        public void Can_View_Cart_Contents()
+        {
+            // Arrange - create a Cart
+            Cart cart = new Cart();
+
+            // Arrange - create the controller
+            CartController target = new CartController(null, null);
+
+            // Act - call the Index action methdo
+            CartIndexViewModel result = (CartIndexViewModel)target.Index(cart, "myUrl").ViewData.Model;
+
+            // Assert
+            Assert.AreSame(result.Cart, cart);
+            Assert.AreEqual(result.ReturnUrl, "myUrl");
+        }
+
+        [TestMethod]
+        public void Cannot_Checkout_Empty_Cart()
+        {
+            // Arrange - create a mock order processor
+            Mock<IOrderProcessor> mock = new Mock<IOrderProcessor>();
+            // Arrange - create an empty cart
+            Cart cart = new Cart();
+            // Arrange - create shipping details
+            ShippingDetails shippingDetails = new ShippingDetails();
+            // Arrange - create an instance of the controller
+            CartController target = new CartController(null, mock.Object);
+
+            // Act
+            ViewResult result = target.Checkout(cart, shippingDetails);
+
+            // Assert - check that the order hasn't been passed on to the processor
+            mock.Verify(m => m.ProcessOrder(It.IsAny<Cart>(), It.IsAny<ShippingDetails>()), Times.Never());
+
+            // Assert - check that method is returning the default view
+            Assert.AreEqual("", result.ViewName);
+            // Assert - check that I am passing an invalid model to the view
+            Assert.AreEqual(false, result.ViewData.ModelState.IsValid);
+        }
+
+        [TestMethod]
+        public void Cannot_Checkout_Invalid_ShippingDetails()
+        {
+
+            // Arrange - create a mock order processor
+            Mock<IOrderProcessor> mock = new Mock<IOrderProcessor>();
+
+            // Arrange - create a cart with an item
+            Cart cart = new Cart();
+            cart.AddItem(new Product(), 1);
+
+            // Arrange - create an instance of the controller
+            CartController target = new CartController(null, mock.Object); 
+            // use null to inject repo, as we don't need it
+
+            // Arrange - add an error to the model
+            target.ModelState.AddModelError("error", "error");
+
+            // Act - try to checkout
+            ViewResult result = target.Checkout(cart, new ShippingDetails());
+
+            // Assert - check that the order hasn't been passed on to the processor
+            mock.Verify(m => m.ProcessOrder(It.IsAny<Cart>(), It.IsAny<ShippingDetails>()),
+        Times.Never());
+            // Assert - check that the method is returning the default view
+            Assert.AreEqual("", result.ViewName);
+            // Assert - check that I am passing an invalid model to the view
+            Assert.AreEqual(false, result.ViewData.ModelState.IsValid);
+        }
+
+        [TestMethod]
+        public void Can_Checkout_And_Submit_Order()
+        {
+
+            // Arrange - create a mock order processor
+            Mock<IOrderProcessor> mock = new Mock<IOrderProcessor>();
+
+            // Arrange - create a cart with an item
+            Cart cart = new Cart();
+            cart.AddItem(new Product(), 1);
+
+            // Arrange - create an instance of the controller
+            CartController target = new CartController(null, mock.Object);
+
+            // Act - try to checkout
+            ViewResult result = target.Checkout(cart, new ShippingDetails());
+
+            // Assert - check that the order has been passed on to the processor
+            mock.Verify(m => m.ProcessOrder(It.IsAny<Cart>(), It.IsAny<ShippingDetails>()),
+        Times.Once());
+            // Assert - check that the method is returning the Completed view
+            Assert.AreEqual("Completed", result.ViewName);
+            // Assert - check that I am passing a valid model to the view
+            Assert.AreEqual(true, result.ViewData.ModelState.IsValid);
+        }
+    }
+}

SportsStore/SportsStore.UnitTests/SportsStore.UnitTests.csproj

@@ -90,6 +90,7 @@
     <Compile Include="App_Start\NinjectWebCommon.cs" />
     <Compile Include="UnitTest1.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="CartTests.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="app.config" />

SportsStore/SportsStore.UnitTests/UnitTest1.cs

@@ -31,7 +31,7 @@ namespace SportsStore.UnitTests
             ProductController controller = new ProductController(mock.Object);
             controller.PageSize = 3;
             // Act
-            ProductsListViewModel result = (ProductsListViewModel)controller.List(2).Model;
+            ProductsListViewModel result = (ProductsListViewModel)controller.List(null, 2).Model;
             // Assert
             Product[] prodArray = result.Products.ToArray();
             Assert.IsTrue(prodArray.Length == 2);
@@ -72,12 +72,13 @@ namespace SportsStore.UnitTests
 
             // Arrange
             Mock<IProductRepository> mock = new Mock<IProductRepository>();
-            mock.Setup(m => m.Products).Returns(new Product[] {
-                new Product {ProductID = 1, Name = "P1"},
-                new Product {ProductID = 2, Name = "P2"},
-                new Product {ProductID = 3, Name = "P3"},
-                new Product {ProductID = 4, Name = "P4"},
-                new Product {ProductID = 5, Name = "P5"}
+            mock.Setup(m => m.Products).Returns(new Product[]
+            {
+                new Product { ProductID = 1, Name = "P1" },
+                new Product { ProductID = 2, Name = "P2" },
+                new Product { ProductID = 3, Name = "P3" },
+                new Product { ProductID = 4, Name = "P4" },
+                new Product { ProductID = 5, Name = "P5" }
             });
 
             // Arrange
@@ -85,7 +86,7 @@ namespace SportsStore.UnitTests
             controller.PageSize = 3;
 
             // Act
-            ProductsListViewModel result = (ProductsListViewModel)controller.List(2).Model;
+            ProductsListViewModel result = (ProductsListViewModel)controller.List(null, 2).Model;
 
             // Assert
             PagingInfo pageInfo = result.PagingInfo;
@@ -94,5 +95,120 @@ namespace SportsStore.UnitTests
             Assert.AreEqual(pageInfo.TotalItems, 5);
             Assert.AreEqual(pageInfo.TotalPages, 2);
         }
+
+        [TestMethod]
+        public void Can_Filter_Products()
+        {
+            // Arrange
+            // - create the mock repository
+            Mock<IProductRepository> mock = new Mock<IProductRepository>();
+            mock.Setup(m => m.Products).Returns(new Product[]
+            {
+                new Product { ProductID = 1, Name = "P1", Category = "Cat1" },
+                new Product { ProductID = 2, Name = "P2", Category = "Cat2" },
+                new Product { ProductID = 3, Name = "P3", Category = "Cat1" },
+                new Product { ProductID = 4, Name = "P4", Category = "Cat2" },
+                new Product { ProductID = 5, Name = "P5", Category = "Cat3" }
+            });
+            // Arrange - create a controller and make the page size 3 items
+            ProductController controller = new ProductController(mock.Object);
+            controller.PageSize = 3;
+            // Action
+            Product[] result = ((ProductsListViewModel)controller.List("Cat2", 1).Model)
+                .Products.ToArray();
+
+            // Assert
+            Assert.AreEqual(result.Length, 2);
+            Assert.IsTrue(result[0].Name == "P2" && result[0].Category == "Cat2");
+            Assert.IsTrue(result[1].Name == "P4" && result[1].Category == "Cat2");
+        }
+
+        [TestMethod]
+        public void Can_Create_Categories()
+        {
+            // Arrange
+            // - create the mock repository
+            Mock<IProductRepository> mock = new Mock<IProductRepository>();
+            mock.Setup(m => m.Products).Returns(new Product[]
+            {
+                new Product { ProductID = 1, Name = "P1", Category = "Apples" },
+                new Product { ProductID = 2, Name = "P2", Category = "Apples" },
+                new Product { ProductID = 3, Name = "P3", Category = "Plums" },
+                new Product { ProductID = 4, Name = "P4", Category = "Oranges" },
+            });
+
+            // Arrange - create the controller
+            NavController target = new NavController(mock.Object);
+
+            // Act = get the set of categories
+            string[] results = ((IEnumerable<string>)target.Menu().Model).ToArray();
+
+            // Assert
+            Assert.AreEqual(results.Length, 3);
+            Assert.AreEqual(results[0], "Apples");
+            Assert.AreEqual(results[1], "Oranges");
+            Assert.AreEqual(results[2], "Plums");
+        }
+
+        [TestMethod]
+        public void Indicates_Selected_Category()
+        {
+            // Arrange
+            // - create the mock repository
+            Mock<IProductRepository> mock = new Mock<IProductRepository>();
+            mock.Setup(m => m.Products).Returns(new Product[]
+            {
+                new Product { ProductID = 1, Name = "P1", Category = "Apples" },
+                new Product { ProductID = 4, Name = "P2", Category = "Oranges" },
+            });
+
+            // Arrange - create the controller
+            NavController target = new NavController(mock.Object);
+
+            // Arrange - define the category to selected
+            string categoryToSelected = "Apples";
+            
+            // Action
+            string result = target.Menu(categoryToSelected).ViewBag.SelectedCategory;
+
+            // Assert
+            Assert.AreEqual(categoryToSelected, result);
+        }
+
+        [TestMethod]
+        public void Generate_Category_Specific_Product_Count()
+        {
+            // Arrange
+            // - create the mock repository
+            Mock<IProductRepository> mock = new Mock<IProductRepository>();
+            mock.Setup(m => m.Products).Returns(new Product[]
+            {
+                new Product { ProductID = 1, Name = "P1", Category = "Cat1" },
+                new Product { ProductID = 2, Name = "P2", Category = "Cat2" },
+                new Product { ProductID = 3, Name = "P3", Category = "Cat1" },
+                new Product { ProductID = 4, Name = "P4", Category = "Cat2" },
+                new Product { ProductID = 5, Name = "P5", Category = "Cat3" }
+            });
+
+            // Arrange - create a controller and make the page size 3 items
+            ProductController target = new ProductController(mock.Object);
+            target.PageSize = 3;
+
+            // Action - test the product counts for different categories
+            int res1 = ((ProductsListViewModel)target
+                .List("Cat1").Model).PagingInfo.TotalItems;
+            int res2 = ((ProductsListViewModel)target
+                .List("Cat2").Model).PagingInfo.TotalItems;
+            int res3 = ((ProductsListViewModel)target
+                .List("Cat3").Model).PagingInfo.TotalItems;
+            int resAll = ((ProductsListViewModel)target
+                .List(null).Model).PagingInfo.TotalItems;
+
+            // Assert
+            Assert.AreEqual(res1, 2);
+            Assert.AreEqual(res2, 2);
+            Assert.AreEqual(res3, 1);
+            Assert.AreEqual(resAll, 5);
+        }
     }
 }

SportsStore/SportsStore.WebUI/App_Start/RouteConfig.cs

@@ -5,6 +5,7 @@ using System.Web;
 using System.Web.Mvc;
 using System.Web.Routing;
 using System.Web.UI;
+using Ninject.Infrastructure.Language;
 
 namespace SportsStore.WebUI
 {
@@ -14,17 +15,49 @@ namespace SportsStore.WebUI
         {
             routes.IgnoreRoute("{resource}.axd/{*pathInfo}");
 
-            routes.MapRoute(
-                name: null,
-                url: "Page{page}",
-                defaults: new { Controller = "Product", action = "List"}
-            );
+            routes.MapRoute(null,
+                "",
+                new
+                {
+                    controller = "Product", action = "List",
+                    category = (string)null, page = 1
+                });
 
-            routes.MapRoute(
-                name: "Default",
-                url: "{controller}/{action}/{id}",
-                defaults: new { controller = "Product", action = "List", id = UrlParameter.Optional }
-            );
+            routes.MapRoute(null,
+                "Page{page}",
+                new
+                { 
+                    controller = "Product", 
+                    action = "List", 
+                    category = (string)null
+                },
+                new
+                {
+                    page = @"\d+"
+                });
+
+            routes.MapRoute(null,
+                "{category}",
+                new
+                {
+                    controller = "Product",
+                    action = "List",
+                    page = 1
+                });
+
+            routes.MapRoute(null,
+                "{category}/Page{page}",
+                new
+                {
+                    controller = "Product",
+                    action = "List"
+                },
+                new
+                {
+                    page = @"\d+"
+                });
+
+            routes.MapRoute(null, "{controller}/{action}");
         }
     }
 }

SportsStore/SportsStore.WebUI/Content/ErrorStyles.css

@@ -0,0 +1,21 @@
+.field-validation-error     {
+    color: #f00;
+}
+
+.field-validation-valid     {
+    display: none;
+}
+
+.input-validation-error     {
+    border: 1px solid #f00;
+    background-color: #fee;
+}
+
+.validation-summary-errors {
+    font-weight: bold;
+    color: #f00;
+}
+
+.validation-summary-valid   {
+    display: none;
+}

SportsStore/SportsStore.WebUI/Controllers/CartController.cs

@@ -0,0 +1,88 @@
+using SportsStore.Domain.Abstract;
+using SportsStore.Domain.Entities;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Web;
+using System.Web.Mvc;
+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
+            {
+                Cart = cart,
+                ReturnUrl = returnUrl
+            });
+        }
+
+        // GET: Cart
+        public RedirectToRouteResult AddToCart(Cart cart, int productId, string returnUrl)
+        {
+            Product product = repository.Products
+                .FirstOrDefault(p => p.ProductID == productId);
+
+            if (product != null)
+            {
+                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)
+            {
+                cart.RemoveLine(product);
+            }
+            return RedirectToAction("Index", new { returnUrl });
+        }
+
+        public PartialViewResult Summary(Cart cart)
+        {
+            return PartialView(cart);
+        }
+
+        // GET
+        public ViewResult Checkout()
+        {
+            return View(new ShippingDetails());
+        }
+
+        // POST
+        [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);
+            }
+        }
+    }
+}

SportsStore/SportsStore.WebUI/Controllers/NavController.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Web;
+using System.Web.Mvc;
+using SportsStore.Domain.Abstract;
+
+namespace SportsStore.WebUI.Controllers
+{
+    public class NavController : Controller
+    {
+        private IProductRepository repository;
+
+        public NavController(IProductRepository repo)
+        {
+            repository = repo;
+        }
+
+        public PartialViewResult Menu(string category = null,
+            bool horizontalLayout = false)
+        {
+            ViewBag.SelectedCategory = category;
+
+            IEnumerable<string> categories = repository.Products
+                .Select(x => x.Category)
+                .Distinct()
+                .OrderBy(x => x);
+
+            string viewName = horizontalLayout ? "MenuHorizontal" : "Menu";
+            return PartialView(viewName, categories);
+        }
+    }
+}

SportsStore/SportsStore.WebUI/Controllers/ProductController.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.Linq;
 using System.Web;
 using System.Web.Mvc;
@@ -18,11 +19,12 @@ namespace SportsStore.WebUI.Controllers
             this.repository = productRepository;
         }
 
-        public ViewResult List(int page = 1)
+        public ViewResult List(string category, int page = 1)
         {
             ProductsListViewModel model = new ProductsListViewModel
             {
                 Products = repository.Products
+                    .Where(p => category == null || p.Category == category)
                     .OrderBy(p => p.ProductID)
                     .Skip((page - 1) * PageSize)
                     .Take(PageSize),
@@ -30,8 +32,11 @@ namespace SportsStore.WebUI.Controllers
                 {
                     CurrentPage = page,
                     ItemsPerPage = PageSize,
-                    TotalItems = repository.Products.Count()
-                }
+                    TotalItems = category == null ?
+                        repository.Products.Count() : 
+                        repository.Products.Where(e => e.Category == category).Count()
+                },
+                CurrentCategory = category
             };
             return View(model);
         }

SportsStore/SportsStore.WebUI/Global.asax.cs

@@ -4,6 +4,8 @@ using System.Linq;
 using System.Web;
 using System.Web.Mvc;
 using System.Web.Routing;
+using SportsStore.Domain.Entities;
+using SportsStore.WebUI.Infrastructure.Binders;
 
 namespace SportsStore.WebUI
 {
@@ -13,6 +15,7 @@ namespace SportsStore.WebUI
         {
             AreaRegistration.RegisterAllAreas();
             RouteConfig.RegisterRoutes(RouteTable.Routes);
+            ModelBinders.Binders.Add(typeof(Cart), new CartModelBinder());
         }
     }
 }

SportsStore/SportsStore.WebUI/Infrastructure/Binders/CartModelBinder.cs

@@ -0,0 +1,34 @@
+using System.Web.Mvc;
+using SportsStore.Domain.Entities;
+
+namespace SportsStore.WebUI.Infrastructure.Binders
+{
+    public class CartModelBinder : IModelBinder
+    {
+        private const string sessionKey = "Cart";
+
+        public object BindModel(ControllerContext controllerContext,
+            ModelBindingContext bindingContext)
+        {
+
+            // get the Cart from the session
+
+            Cart cart = null;
+            if (controllerContext.HttpContext.Session != null)
+            {
+                cart = (Cart)controllerContext.HttpContext.Session[sessionKey];
+            }
+            // create the Cart if there wasn't one in the session data
+            if (cart == null)
+            {
+                cart = new Cart();
+                if (controllerContext.HttpContext.Session != null)
+                {
+                    controllerContext.HttpContext.Session[sessionKey] = cart;
+                }
+            }
+            // return the cart
+            return cart;
+        }
+    }
+}

SportsStore/SportsStore.WebUI/Infrastructure/NinjectDependencyResolver.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Configuration;
 using System.Linq;
 using System.Web;
 using System.Web.Mvc;
@@ -35,8 +36,14 @@ namespace SportsStore.WebUI.Infrastructure
         private void AddBindings()
         {
             kernel.Bind<IProductRepository>().To<EFProductRepository>();
+
+            EmailSettings emailSettings = new EmailSettings
+            {
+                WriteAsFile = bool.Parse(ConfigurationManager.AppSettings["Email.WriteAsFile"] ?? "false")
+            };
+
+            kernel.Bind<IOrderProcessor>().To<EmailOrderProcessor>()
+                .WithConstructorArgument("settings", emailSettings);
         }
-
-
     }
 }

SportsStore/SportsStore.WebUI/Models/CartIndexViewModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Web;
+using SportsStore.Domain.Entities;
+
+namespace SportsStore.WebUI.Models
+{
+    public class CartIndexViewModel
+    {
+        public Cart Cart { get; set; }
+        public string ReturnUrl { get; set; }
+    }
+}

SportsStore/SportsStore.WebUI/Models/ProductsListViewModel.cs

@@ -10,5 +10,6 @@ namespace SportsStore.WebUI.Models
     {
         public IEnumerable<Product> Products { get; set; }
         public PagingInfo PagingInfo { get; set; }
+        public string CurrentCategory { get; set; }
     }
 }

SportsStore/SportsStore.WebUI/SportsStore.WebUI.csproj

@@ -114,6 +114,7 @@
     <Content Include="Content\bootstrap-theme.min.css" />
     <Content Include="Content\bootstrap.css" />
     <Content Include="Content\bootstrap.min.css" />
+    <Content Include="Content\ErrorStyles.css" />
     <Content Include="Content\Site.css" />
     <Content Include="fonts\glyphicons-halflings-regular.svg" />
     <Content Include="Global.asax" />
@@ -130,12 +131,16 @@
   <ItemGroup>
     <Compile Include="App_Start\NinjectWebCommon.cs" />
     <Compile Include="App_Start\RouteConfig.cs" />
+    <Compile Include="Controllers\CartController.cs" />
+    <Compile Include="Controllers\NavController.cs" />
     <Compile Include="Controllers\ProductController.cs" />
     <Compile Include="Global.asax.cs">
       <DependentUpon>Global.asax</DependentUpon>
     </Compile>
     <Compile Include="HtmlHelpers\PagingHelpers.cs" />
+    <Compile Include="Infrastructure\Binders\CartModelBinder.cs" />
     <Compile Include="Infrastructure\NinjectDependencyResolver.cs" />
+    <Compile Include="Models\CartIndexViewModel.cs" />
     <Compile Include="Models\PagingInfo.cs" />
     <Compile Include="Models\ProductsListViewModel.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
@@ -148,6 +153,11 @@
     <Content Include="Views\Product\List.cshtml" />
     <Content Include="Scripts\jquery-1.9.0.min.map" />
     <Content Include="Views\Shared\ProductSummary.cshtml" />
+    <Content Include="Views\Nav\Menu.cshtml" />
+    <Content Include="Views\Cart\Index.cshtml" />
+    <Content Include="Views\Cart\Summary.cshtml" />
+    <Content Include="Views\Cart\Checkout.cshtml" />
+    <Content Include="Views\Cart\Completed.cshtml" />
     <None Include="Web.Debug.config">
       <DependentUpon>Web.config</DependentUpon>
     </None>

SportsStore/SportsStore.WebUI/Views/Cart/Checkout.cshtml

@@ -0,0 +1,42 @@
+@model SportsStore.Domain.Entities.ShippingDetails
+
+@{
+    ViewBag.Title = "SportStore: Checkout";
+}
+
+<h2>Check out now</h2>
+<p>Please enter your details, and we'll ship your goods right now</p>
+
+@using (Html.BeginForm())
+{
+    @Html.ValidationSummary()
+    <h3>Ship to</h3>
+    <div class="form-group">
+        <label>Name:</label>
+        @Html.TextBoxFor(x => x.Name, new { @class = "form-control" })
+    </div>
+
+    <h3>Address</h3>
+    foreach (var property in ViewData.ModelMetadata.Properties)
+    {
+        if (property.PropertyName != "Name" && property.PropertyName != "GiftWrap")
+        {            
+            <div class="form-group">
+                <label>@(property.DisplayName ?? property.PropertyName)</label>
+                @Html.TextBox(property.PropertyName, null, new { @class = "form-control" })
+            </div>
+        }
+    }
+
+    <h3>Options</h3>
+    <div class="checkbox">
+        <label>
+            @Html.EditorFor(x => x.GiftWrap)
+            Gift wrap these items
+        </label>
+    </div>
+
+    <div class="text-center">
+        <input class="btn btn-primary" type="submit" value="Complete order" />
+    </div>
+}

SportsStore/SportsStore.WebUI/Views/Cart/Completed.cshtml

@@ -0,0 +1,6 @@
+@{
+    ViewBag.Title = "SportsStore: Order Submitted";
+}
+
+<h2>Thanks!</h2>
+Thanks for placing your order. We'll ship your goods as soon as possible.

SportsStore/SportsStore.WebUI/Views/Cart/Index.cshtml

@@ -0,0 +1,59 @@
+@model SportsStore.WebUI.Models.CartIndexViewModel
+
+@{
+    ViewBag.Title = "Sports Store: Your Cart";
+}
+
+@*Add style tag of cart table*@
+<style>
+    #cartTable td { vertical-align: middle; }
+</style>
+
+<h2>Your cart</h2>
+@*Add id*@
+<table id="cartTable" class="table">
+    <thead>
+    <tr>
+        <th>Quantity</th>
+        <th>Item</th>
+        <th class="text-right">Price</th>
+        <th class="text-right">Subtotal</th>
+    </tr>
+    </thead>
+    <tbody>
+    @foreach (var line in Model.Cart.Lines) {
+        <tr>
+            <td class="text-center">@line.Quantity</td>
+            <td class="text-left">@line.Product.Name</td>
+            <td class="text-right">@line.Product.Price.ToString("c")</td>
+            <td class="text-right">
+                @((line.Quantity * line.Product.Price).ToString("c"))
+            </td>
+            @*Add button*@
+            <td>
+                @using (Html.BeginForm("RemoveFromCart", "Cart"))
+                {
+                    @Html.Hidden("ProductId", line.Product.ProductID)
+                    @Html.HiddenFor(x => x.ReturnUrl)
+                    <input class="btn btn-sm btn-warning"
+                           type="submit" value="Remove" />
+                }
+            </td>
+        </tr>
+    }
+    </tbody>
+    <tfoot>
+    <tr>
+        <td colspan="3" class="text-right">Total:</td>
+        <td class="text-right">
+            @Model.Cart.ComputeTotalValue().ToString("c")
+        </td>
+    </tr>
+    </tfoot>
+</table>
+
+<div class="text-center">
+    <a class="btn btn-primary" href="@Model.ReturnUrl">Continue shopping</a>
+    @Html.ActionLink("Checkout now", "Checkout", null, new { @class = "btn btn-primary" })
+</div>
+

SportsStore/SportsStore.WebUI/Views/Cart/Summary.cshtml

@@ -0,0 +1,20 @@
+@model SportsStore.Domain.Entities.Cart
+
+<div class="navbar-right hidden-xs">
+    @Html.ActionLink("Checkout", "Index", "Cart",
+        new { returnUrl = Request.Url.PathAndQuery },
+        new { @class = "btn btn-default navbar-btn" } )
+</div>
+
+<div class="navbar-right visible-xs">
+    <a href=@Url.Action("Index", "Cart", new { returnUrl = Request.Url.PathAndQuery })
+       class="btn btn-default navbar-btn">
+        <span class="glyphicon glyphicon-shopping-cart"></span>
+    </a>
+</div>
+
+<div class="navbar-text navbar-right">
+    <b class="hidden-xs">Your cart:</b>
+    @Model.Lines.Sum(x => x.Quantity) item(s),
+    @Model.ComputeTotalValue().ToString("c")
+</div>

SportsStore/SportsStore.WebUI/Views/Nav/Menu.cshtml

@@ -0,0 +1,21 @@
+@using System.ServiceModel.Syndication
+@model IEnumerable<string>
+
+@Html.ActionLink("Home", "List", "Product", null,
+    new { @class = "btn btn-block btn-default btn-lg" })
+
+@foreach (var link in Model)
+{
+    @Html.RouteLink(link, 
+        new
+        {
+            controller = "Product", 
+            action = "List", 
+            category = link, 
+            page = 1
+        }, 
+        new 
+        {
+            @class = "btn btn-block btn-default btn-lg" + (link == ViewBag.SelectedCategory ? " btn-primary" : "")
+        })
+}

SportsStore/SportsStore.WebUI/Views/Product/List.cshtml

@@ -10,6 +10,7 @@
     @Html.Partial("ProductSummary", p)
 }
 
-<div class="pager">
-    @Html.PageLinks(Model.PagingInfo, x => Url.Action("List", new { page = x}))
+<div class="btn-group pull-right">
+    @Html.PageLinks(Model.PagingInfo, x => Url.Action("List",
+        new { page = x, category = Model.CurrentCategory }))
 </div>

SportsStore/SportsStore.WebUI/Views/Shared/ProductSummary.cshtml

@@ -5,5 +5,14 @@
         <strong>@Model.Name</strong>
         <span class="pull-right label label-primary">@Model.Price.ToString("c")</span>
     </h3>
+
+    @using (Html.BeginForm("AddToCart", "Cart"))
+            {
+                <div class="pull-right">
+                    @Html.HiddenFor(x => x.ProductID)
+                    @Html.Hidden("returnUrl", Request.Url.PathAndQuery)
+                    <input type="submit" class="btn btn-success" value="Add to cart" />
+                </div>
+            }
     <span class="lead">@Model.Description</span>
 </div>

SportsStore/SportsStore.WebUI/Views/Shared/_Layout.cshtml

@@ -5,17 +5,29 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <link href="~/Content/bootstrap.css" rel="stylesheet"/>
     <link href="~/Content/bootstrap-theme.css" rel="stylesheet"/>
+    <link href="~/Content/ErrorStyles.css" rel="stylesheet"/>
     <title>@ViewBag.Title</title>
+    <style>
+        .navbar-right {
+            float: right !important;
+            margin-right: 15px; margin-left: 15px;
+        }
+    </style>
 </head>
 <body>
 <div class="navbar navbar-inverse" role="navigation">
-    <a class="navbar-brand" href="#">SPORTS STORE</a>
+    <a class="navbar-brand" href="#">
+        <span class="hidden-xs">SPORTS STORE</span>
+        <span class="visible-xs">SPORTS</span>
+        <span class="visible-xs">STORE</span>
+    </a>
+    @Html.Action("Summary", "Cart")
 </div>
 <div class="row panel">
-    <div id="categoreis" class="col-xs-3">
-        Put something useful here later
+    <div class="col-sm-3 hidden-xs">
+        @Html.Action("Menu", "Nav")
     </div>
-    <div class="col-xs-8">
+    <div class="col-xs-12 col-sm-8">
         @RenderBody()
     </div>
 </div>

SportsStore/SportsStore.WebUI/Web.config

@@ -16,6 +16,7 @@
     <add key="webpages:Enabled" value="false" />
     <add key="ClientValidationEnabled" value="true" />
     <add key="UnobtrusiveJavaScriptEnabled" value="true" />
+    <add key="Email.WriteAsFile" value="true"/>
   </appSettings>
   <system.web>
     <compilation debug="true" targetFramework="4.5.1" />