public int RemoveFromCart(Coffee coffee)
{
var shoppingCartItem = _applicationDbContext.ShoppingCartItems.SingleOrDefault(
s => s.Coffee.CoffeeId == coffee.CoffeeId && s.ShoppingCartId == ShoppingCartId);
var localAmount = 0;
if (shoppingCartItem != null)
{
if (shoppingCartItem.Amount > 1)
{
shoppingCartItem.Amount--;
localAmount = shoppingCartItem.Amount;
}
else
{
_applicationDbContext.ShoppingCartItems.Remove(shoppingCartItem);
}
}
_applicationDbContext.SaveChanges();
return(localAmount);
}
public void AddToCart(Coffee coffee, int amount)
{
var shoppingCartItem =
_applicationDbContext.ShoppingCartItems.SingleOrDefault(
s => s.Coffee.CoffeeId == coffee.CoffeeId && s.ShoppingCartId == ShoppingCartId);
if (shoppingCartItem == null)
{
shoppingCartItem = new ShoppingCartItem
{
ShoppingCartId = ShoppingCartId,
Coffee = coffee,
Amount = 1,
};
_applicationDbContext.ShoppingCartItems.Add(shoppingCartItem);
}
else
{
shoppingCartItem.Amount++;
}
_applicationDbContext.SaveChanges();
}