public static ShoppingCart RetrieveShoppingCart()
{
ArrayList bookOrders = BookOrderListDataAccess.RetrieveAllBookOrders();
ShoppingCart cart = new ShoppingCart(bookOrders);
return(cart);
}
public void AddBookOrder(BookOrder order)
{
bookOrders.Add(order);
BookOrderListDataAccess.SaveBookOrder(order);
}
public void EmptyShoppingCart()
{
BookOrderListDataAccess.ClearBookOrderList();
bookOrders.Clear();
}