MvcMusicStore.Models.ShoppingCart.EmptyCart C# (CSharp) Method

        public void EmptyCart()
        {
            Cart.DeleteByCartId(ShoppingCartId);
        }

 /// <summary>
 /// Add some albums to the specified user's cart.
 /// </summary>
 public static MvcMusicStore.Models.ShoppingCart AddItemsToCart(string userName, IEnumerable<Album> albums)
 {
     var cart = new MvcMusicStore.Models.ShoppingCart { ShoppingCartId = userName };
     cart.EmptyCart();
     foreach (var album in albums)
         cart.AddToCart(album);
     return cart;
 }