public void Remove(Audiobook audiobook)
{
var cartItem = db.Carts.Single(
c => c.Cart_Id == ShoppingCartId &&
c.Item_Id == audiobook.Id);
if (cartItem != null)
{
db.Carts.Remove(cartItem);
}
db.SaveChanges();
}
public void Add(Audiobook audiobook)
{
// Get items in the cart
var cartItem = db.Carts.SingleOrDefault(
c => c.Cart_Id == ShoppingCartId &&
c.Item_Id == audiobook.Id);
if (cartItem == null)
{
// Create a new item if no item exist in the cart.
cartItem = new Cart
{
Item_Id = audiobook.Id,
Cart_Id = ShoppingCartId
};
db.Carts.Add(cartItem);
}
db.SaveChanges();
}