Exercise Files
This commit is contained in:
Jess Chadwick
108
Ch07/07_03_Begin/Website/Features/Cart/Cart.cshtml
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108
Ch07/07_03_Begin/Website/Features/Cart/Cart.cshtml
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@model HPlusSports.Models.ShoppingCart
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@{
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ViewBag.Title = "My Cart";
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}
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@if (TempData.SuccessMessage() != null)
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{
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<div class="alert alert-success alert-dismissible" role="alert">
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<button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">×</span></button>
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@TempData.SuccessMessage()
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</div>
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}
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<div class="cart row">
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<div>
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<hr />
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<table class="table">
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<thead>
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<tr>
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<th class="col-md-1">
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</th>
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<th class="col-md-6">
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Product
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</th>
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<th class="col-md-1">
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Quantity
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</th>
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<th class="col-md-2">
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Price
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</th>
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<th class="col-md-2">
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Subtotal
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</th>
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</tr>
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</thead>
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<tbody>
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@foreach (var item in Model.Items)
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{
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<tr class="text-middle">
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<td>
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<a href="@Url.Action("Remove", "Cart", new { id = item.Id })">
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<i class="glyphicon glyphicon-remove text-danger"></i>
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</a>
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</td>
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<td>
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<a href="@Url.Product(item.SKU)">
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<img class="product-image img-thumbnail" src="@Url.Action("Product", "Images", new { id = item.SKU })" />
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<span>@item.Name</span>
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</a>
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</td>
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<td>
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<a href="@Url.Action("Add", "Cart", new { item.SKU, quantity = -1 })">
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<i class="glyphicon glyphicon-minus"></i>
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</a>
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@item.Quantity
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<a href="@Url.Action("Add", "Cart", new { item.SKU })">
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<i class="glyphicon glyphicon-plus"></i>
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</a>
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</td>
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<td>
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@item.Price.ToString("C")
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</td>
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<td>
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@item.Total.ToString("C")
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</td>
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</tr>
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}
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</tbody>
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<tfoot>
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<tr class="text-primary">
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<td colspan="4" class="text-right">
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Subtotal
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</td>
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<td>
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@Model.Subtotal.ToString("C")
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</td>
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</tr>
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<tr class="text-muted">
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<td colspan="4" class="text-right">
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Tax
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</td>
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<td>
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@Model.Tax.ToString("C")
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</td>
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</tr>
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<tr class="text-muted">
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<td colspan="4" class="text-right">
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Shipping
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</td>
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<td>
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@Model.Shipping.ToString("C")
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</td>
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</tr>
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<tr class="text-primary text-large">
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<th colspan="4" class="text-right">
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Total
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</th>
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<th>
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@Model.Total.ToString("C")
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</th>
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</tr>
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</tfoot>
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</table>
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</div>
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</div>
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132
Ch07/07_03_Begin/Website/Features/Cart/CartController.cs
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132
Ch07/07_03_Begin/Website/Features/Cart/CartController.cs
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using HPlusSports.Models;
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using System;
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using System.Data.Entity.Validation;
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using System.Linq;
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using System.Web.Mvc;
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namespace HPlusSports.Controllers
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{
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public class CartController : Controller
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{
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private readonly HPlusSportsDbContext _context;
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public CartController()
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: this(new HPlusSportsDbContext())
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{
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}
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public CartController(HPlusSportsDbContext context)
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{
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_context = context;
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}
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public ActionResult Index()
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{
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var cart = GetCart();
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if (cart.Items.Any())
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return View("Cart", cart);
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return View("EmptyCart");
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}
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public ActionResult Add(string sku, int quantity = 1)
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{
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var product = _context.Products.FirstOrDefault(x => x.SKU == sku);
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var cart = GetCart();
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var item = cart.Items.FirstOrDefault(x => x.SKU == sku);
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if (item == null)
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{
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item = new ShoppingCartItem
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{
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SKU = product?.SKU,
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Name = product?.Name,
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MSRP = (product?.MSRP).GetValueOrDefault(),
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Price = (product?.Price).GetValueOrDefault(),
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Quantity = quantity,
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};
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cart.Items.Add(item);
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}
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else
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{
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item.Quantity += quantity;
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}
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if (item.Quantity <= 0)
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{
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cart.Items.Remove(item);
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}
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try
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{
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_context.SaveChanges();
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}
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catch (DbEntityValidationException ex)
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{
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var errors = ex.EntityValidationErrors.SelectMany(x => x.ValidationErrors);
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foreach (var error in errors)
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{
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ModelState.AddModelError(error.PropertyName, error.ErrorMessage);
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}
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}
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if (!ModelState.IsValid)
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{
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return View();
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}
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TempData.SuccessMessage($"Successfully added {item.Name} to the cart");
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return RedirectToAction("Index", "Cart");
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}
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public ActionResult Remove(long id)
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{
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var cart = GetCart();
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var item = cart.Items.FirstOrDefault(x => x.Id == id);
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if (item == null)
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{
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ModelState.AddModelError("", "Missing or invalid cart item");
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return View();
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}
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cart.Items.Remove(item);
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_context.SaveChanges();
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return RedirectToAction("Index", "Cart");
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}
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private ShoppingCart GetCart()
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{
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var userId = GetUserId(this);
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var cart =
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_context.ShoppingCarts
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.Include("Items")
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.FirstOrDefault(x => x.UserId == userId);
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if (cart == null)
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{
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cart = new ShoppingCart { UserId = userId };
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_context.ShoppingCarts.Add(cart);
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_context.SaveChanges();
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}
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cart.Recalculate();
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return cart;
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}
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// Overwriteable function for unit testing
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internal Func<Controller, string> GetUserId =
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(controller) => controller.User.Identity.Name;
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}
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}
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16
Ch07/07_03_Begin/Website/Features/Cart/EmptyCart.cshtml
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16
Ch07/07_03_Begin/Website/Features/Cart/EmptyCart.cshtml
Normal file
@ -0,0 +1,16 @@
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@model HPlusSports.Models.ShoppingCart
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@{
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ViewBag.Title = "Cart";
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}
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<div class="row">
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<div class="well well-lg">
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<p>Your shopping cart is empty!</p>
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<p>
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Head on over to
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@Html.ActionLink("the Product Catalog", "Index", "Products")
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to find something!
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</p>
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</div>
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</div>
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