//
public void AddToCart(m_cls_Candy candy, int amount)
{
var shoppingCartItem = _appDbContext.ShopppingCartItems.SingleOrDefault(
sci => sci.Candy.CandyId == candy.CandyId && sci.ShoppingCartId == ShoppingCartId);
if (shoppingCartItem == null)
{
shoppingCartItem = new m_cls_ShoppingCartItem
{
ShoppingCartId = ShoppingCartId,
Candy = candy,
Amount = amount
};
_appDbContext.ShopppingCartItems.Add(shoppingCartItem);
}
else
{
shoppingCartItem.Amount++;
}
_appDbContext.SaveChanges();
}
// remove item amount one by one
public int RemoveFromCart(m_cls_Candy candy)
{
var shoppingCartItem = _appDbContext.ShopppingCartItems.SingleOrDefault(
s => s.Candy.CandyId == candy.CandyId && s.ShoppingCartId == ShoppingCartId);
var localAmount = 0;
if (shoppingCartItem != null)
{
if (shoppingCartItem.Amount > 1)
{
shoppingCartItem.Amount--;
localAmount = shoppingCartItem.Amount;
}
else
{
_appDbContext.ShopppingCartItems.Remove(shoppingCartItem);
}
}
_appDbContext.SaveChanges();
return(localAmount);
}