public void AddToCart(AbstractProduct product, int quantity)
{
_cartProducts.Add(CartProductFactory.Create(product, quantity));
}
public CartProduct(AbstractProduct prod, int quantity)
{
Product = prod;
Quantity = quantity;
Subtotal = quantity * Product.ProductPrice;
}
public static CartProduct Create(AbstractProduct product, int quantity)
{
return(new CartProduct(product, quantity));
}