public Carts addItem(Carts cart, int productId)
{
decimal productPrice = _productDAL.Get(x => x.Id == productId).Price;
int lastCartItemId = 0;
int isExist = _cartDAL.GetList().Where(x => x.Id == cart.Id).Count();
Carts cartItem = new Carts();
if (isExist == 0)
{
cartItem.Amount = cart.Amount;
cartItem.TotalPrice = productPrice * cart.Amount;
_cartDAL.Add(cartItem);
lastCartItemId = _cartDAL.GetList().OrderByDescending(x => x.Id).ToList().FirstOrDefault().Id;
}
else
{
var thisCartItem = _cartDAL.GetList().OrderByDescending(x => x.Id).ToList().FirstOrDefault();
cartItem.Id = cart.Id;
cartItem.Amount = thisCartItem.Amount + cart.Amount;
cartItem.TotalPrice = (productPrice * (thisCartItem.Amount + cart.Amount));
_cartDAL.Update(cartItem);
lastCartItemId = cart.Id;
}
if (_cartProductDAL.GetList(x => x.CartId == lastCartItemId && x.ProductId == productId).Count() < 1)
{
CartProducts cartProduct = new CartProducts()
{
CartId = lastCartItemId,
ProductId = productId
};
_cartProductDAL.Add(cartProduct);
}
else
{
int lastCartId = _cartDAL.GetList().Where(x => x.Id == lastCartItemId).FirstOrDefault().Id;
CartProducts cartProduct = new CartProducts()
{
Id = lastCartItemId,
CartId = lastCartItemId,
ProductId = productId
};
_cartProductDAL.Update(cartProduct);
}
return(cartItem);
}
public void createCartProducts(CartProducts cartProducts)
{
_cartProductDAL.Add(cartProducts);
}