public virtual void AddToCart(Customer customer, Product product, ShoppingCartType shoppingCartType, int quantity)
{
if (customer == null)
throw new ArgumentNullException("customer");
if (product == null)
throw new ArgumentNullException("product");
var cart = customer.ShoppingCartItems
.Where(sci => sci.ShoppingCartType == shoppingCartType)
.ToList();
var shoppingCartItem = FindShoppingCartItemInTheCart(cart, shoppingCartType, product);
if (shoppingCartItem != null)
{
//update existing shopping cart item
shoppingCartItem.Quantity = shoppingCartItem.Quantity + quantity;
shoppingCartItem.UpdatedOnUtc = DateTime.UtcNow;
_customerService.UpdateCustomer(customer);
}
else
{
//new shopping cart item
DateTime now = DateTime.UtcNow;
shoppingCartItem = new ShoppingCartItem()
{
ShoppingCartType = shoppingCartType,
Product = product,
ItemPrice = product.Price,
Quantity = quantity,
CreatedOnUtc = now,
UpdatedOnUtc = now
};
customer.ShoppingCartItems.Add(shoppingCartItem);
_customerService.UpdateCustomer(customer);
//updated "HasShoppingCartItems" property used for performance optimization
customer.HasShoppingCartItems = customer.ShoppingCartItems.Count > 0;
_customerService.UpdateCustomer(customer);
}
}
public virtual void DeleteShoppingCartItem(ShoppingCartItem shoppingCartItem)
{
if (shoppingCartItem == null)
throw new ArgumentNullException("shoppingCartItem");
var customer = shoppingCartItem.Customer;
//delete item
_sciRepository.Delete(shoppingCartItem);
//reset "HasShoppingCartItems" property used for performance optimization
customer.HasShoppingCartItems = customer.ShoppingCartItems.Count > 0;
_customerService.UpdateCustomer(customer);
}