public void AddItem(Snack snack, int quantity)
{
ShoppingCartItem shoppingCartItem = _context
.ShoppingCartItems
.SingleOrDefault(sci => sci.Snack.Id == snack.Id && sci.ShoppingCartId == ShoppingCartId);
if (shoppingCartItem == null)
{
shoppingCartItem = new ShoppingCartItem
{
ShoppingCartId = ShoppingCartId,
Snack = snack,
Quantity = quantity
};
_context.ShoppingCartItems.Add(shoppingCartItem);
}
else
{
shoppingCartItem.Quantity++;
}
_context.SaveChanges();
}
public int RemoveItem(Snack snack)
{
ShoppingCartItem shoppingCartItem = _context
.ShoppingCartItems
.SingleOrDefault(sci => sci.Snack.Id == snack.Id && sci.ShoppingCartId == ShoppingCartId);
int currentQuantity = 0;
if (shoppingCartItem != null)
{
if (shoppingCartItem.Quantity > 1)
{
shoppingCartItem.Quantity--;
currentQuantity = shoppingCartItem.Quantity;
}
else
{
_context.ShoppingCartItems.Remove(shoppingCartItem);
}
_context.SaveChanges();
}
return(currentQuantity);
}