public void AddToCart(Soup soup)
{
// Get the matching cart and soup instances
var cartItem = storeDB.Carts.SingleOrDefault(
c => c.CartId == ShoppingCartId &&
c.ProductId == soup.Id);
if (cartItem == null)
{
// Create a new cart item if no cart item exists
cartItem = new Cart
{
ProductId = soup.Id,
CartId = ShoppingCartId,
Count = 1,
DateCreated = DateTime.Now
};
storeDB.Carts.Add(cartItem);
}
else
{
// If the item does exist in the cart, then add one to the quantity
cartItem.Count++;
}
// Save changes
storeDB.SaveChanges();
}
public decimal GetTotal()
{
Soup soup = new Soup();
// Multiply price by count to get
// the current price for each in the cart
// sum all price totals to get the cart total
decimal?total = (from cartItems in storeDB.Carts
where cartItems.CartId == ShoppingCartId
select(int?) cartItems.Count *soup.Price).Sum();
return(total ?? decimal.Zero);
}
