コード例 #1
0
        private static void ContainableItemCollectionFunctionalities()
        {
            VendingMachine vendingMachine = VendingMachine.Instance;

            Product coffeeProduct = new Product()
            {
                Category = new Category("Beverages"),
                Name     = "Coffee",
                Price    = 12.3,
            };

            Console.WriteLine("Add a product:");
            vendingMachine.Items.Add(new ContainableItem
            {
                Product  = coffeeProduct,
                Position = new Position(row: 2, column: 0, id: 13, size: 3)
            });

            WriteContainableItems(vendingMachine.Items);

            Console.WriteLine("Remove at position: (0,1)");
            if (!vendingMachine.Items.RemoveBy(new Position(row: 0, column: 1, id: 2)))
            {
                Console.WriteLine("No product found at this position.");
            }
            else
            {
                WriteContainableItems(vendingMachine.Items);
            }

            Console.WriteLine("Search for a coffee product:");
            try
            {
                ContainableItem coffeeContainableItem = vendingMachine.Items.FirstOrDefault(containableItem => containableItem.Product.Equals(coffeeProduct));
                if (coffeeContainableItem != null)
                {
                    Console.WriteLine(coffeeProduct.ToString());
                    Console.WriteLine("\nCoffee product was found and it will be removed.");
                    vendingMachine.Items.Remove(coffeeContainableItem);
                    WriteContainableItems(vendingMachine.Items);
                }
            }
            catch
            {
                Console.WriteLine("Product not found.");
            }

            Console.WriteLine("Remove second product: ");
            try
            {
                vendingMachine.Items.RemoveAt(1);
                WriteContainableItems(vendingMachine.Items);
            }
            catch
            {
                Console.WriteLine("Product not found.");
            }

            Product beverageProduct = vendingMachine.Items.FirstOrDefault(containableItem => containableItem.Product.Category.Name.Equals("Beverages"))?.Product;

            Console.WriteLine("Search for the first beverage product using linq:");

            string beverageMessage = beverageProduct == null
            ? "No beverage found"
            : $"Beverage Found:\t{beverageProduct.ToString()}";

            Console.WriteLine(beverageMessage);

            try
            {
                ContainableItem lastProduct = vendingMachine.Items.GetItem(vendingMachine.Items.Count - 1);
                Console.WriteLine($"\nLast product:\t{vendingMachine.Items.GetItem(vendingMachine.Items.Count - 1).Product}");
            }
            catch
            {
                Console.WriteLine("Product not found.");
            }
        }
コード例 #2
0
 public string ToString()
 {
     return($@"{product.ToString()} 
            Date: {time.ToString()}");
 }