示例#1
0
        private void ShowViewInventoryOption()
        {
            while (true)
            {
                Console.Clear();

                _cart.PrintHeader();

                // list the inventory categories
                Console.WriteLine();
                Console.WriteLine("ASCII Art Categories");
                Console.WriteLine();

                foreach (var category in _repo.Categories)
                {
                    Console.Write($"{category.Id}. {category.Description}");
                    Console.Write("     ");
                }

                Console.WriteLine();
                // allow category selection
                Console.Write("Select a category: ");
                int categoryId = 0;

                if (!int.TryParse(Console.ReadLine(), out categoryId))
                {
                    Console.Clear();
                    return;
                }

                Console.Clear();

                _cart.PrintHeader();

                // display all art in that category
                foreach (var art in _repo.Categories.First(c => c.Id == categoryId).ASCIIArtPieces)
                {
                    Console.WriteLine();

                    if (art.NumberInStock == 0)
                    {
                        Console.WriteLine($"Id: {art.Id}\t\tOut Of Stock!");
                    }
                    else
                    {
                        Console.WriteLine($"Id: {art.Id}\t\t{art.Price.ToString("c")}\t\t{art.NumberAvailable} In Stock.");
                    }

                    Console.WriteLine(art);

                    Console.WriteLine();
                }

                Console.WriteLine();

                Console.WriteLine("1. Make purchase.");
                Console.WriteLine("2. Main Menu.");
                Console.Write("Option: ");

                if (Console.ReadLine() == "1")
                {
                    // allow purchase and fire a sale event
                    Console.Write("Select your purchase: ");
                    int artId = int.Parse(Console.ReadLine());
                    Console.WriteLine();

                    ASCIIArt purchase = _repo.Categories.SelectMany(c => c.ASCIIArtPieces).First(a => a.Id == artId);

                    AddedToCart?.Invoke(this, new AddToCartEvent(purchase));

                    Console.WriteLine(purchase);
                    Console.WriteLine("Has been added to your cart. Press Enter to continue shopping.");
                    Console.ReadLine();
                    Console.Clear();
                }
                else
                {
                    Console.Clear();
                    return;
                }
            }
        }
 public AddToCartEvent(ASCIIArt item)
 {
     Item = item;
 }