public ShoppingCart AddItem(int quantity, Product product)
{
var existingItem = (from i in Items where i.Product.Id == product.Id select i).SingleOrDefault();
if (existingItem != null)
{
existingItem.Quantity++;
return this;
}
// Create new item
Items.Add(ShoppingCartItem.Create(quantity, product));
return this;
}
public static ShoppingCartItem Create(int quantity, Product product)
{
var item = new ShoppingCartItem {Quantity = quantity, Product = product};
return item;
}
public static OrderItem CreateNewForOrder(Order order, int quantity, Product product)
{
var item = new OrderItem { Quantity = quantity, Product = product, Order = order };
return item;
}
public bool Delete(Product aggregate)
{
throw new System.NotImplementedException();
}