public void RemoveShoppingCartLineItem(ShoppingCart cart, ShoppingCart.LineItem item)
{
item.Quantity--;
if (item.Quantity == 0)
{
cart.LineItems.Remove(item);
}
}
public static void AddShoppingCartLineItem(this ShoppingCart cart, Product product, string productVariantName)
{
var productVariant = product.ProductVariants.Single(x => x.Name == productVariantName);
var existing = cart.LineItems.SingleOrDefault(x => x.ProductVariantName == productVariant.Name);
if (existing != null)
{
existing.Quantity++;
return;
}
var lineItem = new ShoppingCart.LineItem
{
UnitPrice = productVariant.Price,
ProductId = product.Id,
ProductName = product.Name,
ProductVariantName = productVariant.Name,
Quantity = 1
};
cart.LineItems.Add(lineItem);
}
