Exemplo n.º 1
0
        public int GetSubTotal(IEnumerable <string> allItems)
        {
            var priceProvider = new DummyPriceProvider();

            return(allItems?.Where(item => item.Equals(ApplicableItemType, StringComparison.OrdinalIgnoreCase))?.Sum(item => priceProvider.GetPrice(item)) ?? 0);
        }