/// <summary>
/// Get an Order by Id
/// </summary>
/// <param name="id"></param>
/// <returns>Order and Order Items</returns>
public OrderDTO Get(long id)
{
var result = db.Orders.Where(o => o.Id == id);
if (result.Count() == 0)
return null;
Order order = result.ToList()[0];
// transform the order DTO
OrderDTO orderDTO = new OrderDTO()
{
Id = order.Id,
CreatedDate = order.CreatedDate,
ModifiedDate = order.ModifiedDate,
Status = order.Status
};
// transform the order item DTOs
orderDTO.OrderItems = new List<OrderItemDTO>();
foreach(OrderItem orderItem in order.OrderItems)
{
OrderItemDTO orderItemDTO = new OrderItemDTO()
{
Id = orderItem.Id,
CreateDate = orderItem.CreateDate,
ModifiedDate = orderItem.ModifiedDate,
OrderId = orderItem.OrderId,
Price = orderItem.Price,
ProductCode = orderItem.ProductCode,
PromotionApplied = orderItem.PromotionApplied
};
orderDTO.OrderItems.Add(orderItemDTO);
}
return orderDTO;
}
public void ShouldCreateOrder()
{
// save the order
OrderDTO orderDTO = new OrderDTO() { CreatedDate = DateTime.Now, Status = Constants.OrderStatus.Pending };
orderDTO.OrderItems = new List<OrderItemDTO>();
OrderItemDTO orderItemAppleDTO = new OrderItemDTO() { CreateDate = DateTime.Now, Price = 1, ProductCode = "apple" };
orderDTO.OrderItems.Add(orderItemAppleDTO);
OrderItemDTO orderItemNutellaDTO = new OrderItemDTO() { CreateDate = DateTime.Now, Price = 5, ProductCode = "nuttl" };
orderDTO.OrderItems.Add(orderItemNutellaDTO);
orderDTO = orderService.Save(orderDTO);
Assert.IsTrue(orderDTO != null && orderDTO.Id > 0, "Order has not been saved");
Assert.IsTrue(orderDTO.OrderItems != null && orderDTO.OrderItems.Count == 2, "Order items have not been saved");
}
public void CheckoutShoppingCart()
{
// get the shopping cart
ShoppingCartDTO shoppingCart = GetShoppingCart();
// get the list of products
List<ProductDTO> products = productService.GetProducts();
// turn the shopping cart into an order
OrderDTO order = new OrderDTO { CreatedDate = DateTime.Now, Status = Constants.OrderStatus.Pending };
order.OrderItems = new List<OrderItemDTO>();
List<ShoppingCartItemDTO> orderedCart = shoppingCart.ShoppingCartItems.OrderBy(c => c.ProductCode).ToList();
int productItemCount = 0;
string lastProductCode = "";
foreach (ShoppingCartItemDTO cartItem in orderedCart)
{
bool promotionApplied = false;
// validate the product
if (!products.Exists(p => p.Code == cartItem.ProductCode))
{
Console.WriteLine("Product in cart is not valid: " + cartItem.ProductCode);
break;
}
// get the product
ProductDTO product = products.First(p => p.Code == cartItem.ProductCode);
if (product.Code != lastProductCode)
{
productItemCount = 1;
lastProductCode = product.Code;
}
else
productItemCount++;
// set the price (including a discount)
decimal price = GetPrice(product, ref productItemCount, ref promotionApplied, order);
// add the order item
OrderItemDTO orderItem = new OrderItemDTO
{
CreateDate = DateTime.Now,
ProductCode = cartItem.ProductCode,
Price = price,
PromotionApplied = promotionApplied
};
order.OrderItems.Add(orderItem);
}
if (order.OrderItems.Count == 0) return;
// save the order
order.Status = Constants.OrderStatus.Complete;
order = orderService.Save(order);
// print the invoice
DisplayInvoice(order);
}