public void AddToCart(Pie pie, int amount = 1)
{
var shoppingCartItem = _ctx.ShoppingCartItems.SingleOrDefault(s => s.Pie.PieId == pie.PieId && s.ShoppingCartId == ShoppingCartId);
if (shoppingCartItem == null)
{
shoppingCartItem = new ShoppingCartItem
{
ShoppingCartId = ShoppingCartId,
Pie = pie,
Amount = 0
};
_ctx.ShoppingCartItems.Add(shoppingCartItem);
}
shoppingCartItem.Amount += amount;
_ctx.SaveChanges();
}
public int RemoveFromCart(Pie pie, int amount = 1)
{
var shoppingCartItem = _ctx.ShoppingCartItems.SingleOrDefault(s => s.Pie.PieId == pie.PieId && s.ShoppingCartId == ShoppingCartId);
var localAmount = 0;
if (shoppingCartItem != null)
{
if (shoppingCartItem.Amount <= 1)
{
_ctx.ShoppingCartItems.Remove(shoppingCartItem);
}
shoppingCartItem.Amount -= amount;
localAmount = shoppingCartItem.Amount;
}
_ctx.SaveChanges();
return(localAmount);
}