My Cart Class
public virtual int CartId { get; set; }
public
List<CartLine> _cartLines = new List<CartLine>();
public void AddToCart(Product product, int quantity)
{
CartLine cartLine = _cartLines.FirstOrDefault(c =>
c.Product.ProductId == product.ProductId);
if (cartLine == null)
{
_cartLines.Add(new CartLine { Product = product, Qunatity =
quantity });
}
else
{
cartLine.Qunatity += quantity;
}
}
public void RemoveFromCart(Product product)
{
_cartLines.RemoveAll(p => p.Product.ProductId == product.ProductId);
}
public decimal Total
{
get
{
return _cartLines.Sum(c => c.Product.UnitPrice * c.Qunatity);
}
}
public void Clear()
{
_cartLines.Clear();
}
public List<CartLine> Lines
{
get
{
return _cartLines;
}
}
}
public class CartLine
{
public Product Product { get; set; }
public int Qunatity { get; set; }
}
}
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