public ShoppingCartCookie(ProductCookie productCookie)
{
Products = new List <ProductCookie>()
{
productCookie
};
}
public void AddProduct(ProductCookie productCookie)
{
if (productCookie == null)
{
throw new ArgumentNullException(nameof(productCookie));
}
if (Products.Any(p => p.InventoryId == productCookie.InventoryId))
{
var product = Products.FirstOrDefault(p => p.InventoryId == productCookie.InventoryId);
if (product != null)
{
product.IncreaseAmount();
}
else
{
throw new Exception("Something went wrong inside appending a cookie");
}
}
else
{
Products.Add(productCookie);
}
}