public ViewResult Checkout(Cart cart, ShippingDetails shippingDetails)
{
if (!cart.Lines.Any())
{
ModelState.AddModelError(string.Empty, Resources.EmptyCartError);
}
if (ModelState.IsValid)
{
_cartApplicationService.Process(cart, shippingDetails);
return View("Completed");
}
return View(shippingDetails);
}
private Order ProcessTheOrder(Cart cart, ShippingDetails shippingDetails)
{
var order = new Order();
var orderDetailsList = new List<OrderDetail>();
try
{
foreach (var item in cart.Lines)
{
var orderDetail = new OrderDetail
{
OrderId = order.OrderId,
ProductName = item.Product.Name,
Quantity = item.Quantity,
UnitPrice = item.Product.Price
};
order.TotalCost += orderDetail.UnitPrice*orderDetail.Quantity;
//TODO: Make Unit Test
orderDetailsList.Add(orderDetail);
}
}
catch (Exception)
{
// TODO: Add HttpException handling in place of Exception below
throw new Exception("Erorr building list of oder details -> cart.Lines was probably null.");
}
var firstCartLineProduct = cart.Lines.FirstOrDefault();
int establishmentId = firstCartLineProduct.Product.EstablishmentId;
order.OrderDetails = orderDetailsList;
order.EstablishmentId = establishmentId;
order.CustomerName = shippingDetails.Name;
order.TimeProcessed = DateTime.Now;
return order;
}
public void Process(Cart cart, ShippingDetails shippingDetails)
{
var order = ProcessTheOrder(cart, shippingDetails);
orderRepository.CreateOrder(order);
cart.Clear();
}
public void CanCheckoutAndSubmitOrder()
{
// Arrange - create a mock order processor
var mockRepository = new Mock<IProductRepository>();
var what = new Mock<ICartApplicationService>();
// Arrange - create a cart with an item
var cart = new Cart();
var shippingDetails = new ShippingDetails
{
Name = "Jason",
Line1 = "123 Fake",
City = "Corpus Christi",
State = "Texas",
Zip = "78414",
Country = "United States",
GiftWrap = false
};
cart.AddItem(new Product {ProductId = 1, Name = "P1", Price = 100M, EstablishmentId = 1, CategoryId = 1, Description = "none"}, 1);
// Arrange - create an instance of the controller
var controller = new CartController(mockRepository.Object, what.Object);
// Action - try to checkout
var result = controller.Checkout(cart, shippingDetails);
// Assert - check that the order has been passed on to the processor
what.Verify(m => m.Process(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 we are passing a valid model to the view
Assert.AreEqual(true, result.ViewData.ModelState.IsValid);
}
public void CannotCheckoutEmptyCart()
{
// Arrange - create a mock order processor
var mock = new Mock<IOrderProcessor>();
// Arrange - create an empty cart
var cart = new Cart();
// Arrange - create shipping details
var shippingDetails = new ShippingDetails();
// Arrange - create an instance of the controller
var controller = new CartController(null, null);
// Action
ViewResult result = controller.Checkout(cart, shippingDetails);
// Assert - check that the order hasn't been passed on to the processor
mock.Verify(m => m.CreateOrder(It.IsAny<Order>()),
Times.Never());
// Assert - check that the method is returning the default view
Assert.AreEqual("", result.ViewName);
// Assert - check that we are passing an invalid model to the view
Assert.AreEqual(false, result.ViewData.ModelState.IsValid);
}
