public async Task AddItem(string orderId, Filling filling)
{
var(cart, version) = await repository.Get(orderId);
if (!cart.Items.Contains(filling))
{
cart.Items.Add(filling);
}
await repository.Put(cart, version);
}
static void Main(string[] args)
{
Console.WriteLine("Command Pattern Example");
var shoppingCartRepository = new ShoppingCartRepository();
var productRepository = new ProductRepository();
var product = productRepository.Find(1);
var addToCartCommand = new AddToCartCommand(shoppingCartRepository,
productRepository,
product);
var increaseQuantityCommand = new ChangeQuantityCommand(ChangeQuantityCommand.Operation.Increase,
product,
shoppingCartRepository,
productRepository);
var command = new Command();
Console.WriteLine("Adding item to shopping cart...");
command.Invoke(addToCartCommand);
var addedLineItem = shoppingCartRepository.Get(product.Id);
Console.WriteLine($"Item added to shopping cart : Name : {addedLineItem.Product.Name} Quantity : {addedLineItem.Quantity}");
Console.WriteLine("Increasing quantity...");
command.Invoke(increaseQuantityCommand);
addedLineItem = shoppingCartRepository.Get(product.Id);
Console.WriteLine($"Item added to shopping cart : Name : {addedLineItem.Product.Name} Quantity : {addedLineItem.Quantity}");
Console.WriteLine("Increasing quantity...");
command.Invoke(increaseQuantityCommand);
addedLineItem = shoppingCartRepository.Get(product.Id);
Console.WriteLine($"Item added to shopping cart : Name : {addedLineItem.Product.Name} Quantity : {addedLineItem.Quantity}");
Console.WriteLine("Increasing quantity...");
command.Invoke(increaseQuantityCommand);
addedLineItem = shoppingCartRepository.Get(product.Id);
Console.WriteLine($"Item added to shopping cart : Name : {addedLineItem.Product.Name} Quantity : {addedLineItem.Quantity}");
PrintShoppingCart(shoppingCartRepository);
Console.WriteLine("Undo all actions");
command.Undo();
PrintShoppingCart(shoppingCartRepository);
}
public void WhenRemovingAddedProduct_ShouldClearProductFromCartAndReturnZeroQuantity()
{
var productsRepository = new ProductsRepository();
var cartRepository = new ShoppingCartRepository();
var cartManager = new CartCommandManager();
var canon = new Product("EOSR1", "Canon EOS R", 1099);
var addCanonCommand = new AddToCartCommand(
cartRepository,
productsRepository,
canon);
var removeCanonCommand = new RemoveFromCartCommand(
cartRepository,
productsRepository,
canon
);
cartManager.Execute(addCanonCommand);
cartManager.Execute(addCanonCommand);
cartManager.Execute(removeCanonCommand);
cartManager.Execute(removeCanonCommand);
cartManager.Execute(removeCanonCommand);
cartRepository.Get("EOSR1").Quantity.Should().Be(0);
}
public ActionResult removeBookFromCart(int id)
{
ShoppingCart objSC = repository.Get(id);
repository.Remove(objSC);
repository.SaveChanges();
return(RedirectToAction("Index"));
}
public void Handle(QuantityAddedEvent eventData)
{
ShoppingCartElement shoppingCartElement = ShoppingCartRepository.Get(eventData.ProductId);
if (shoppingCartElement == null)
{
shoppingCartElement = new ShoppingCartElement();
}
shoppingCartElement.ProductId = eventData.ProductId;
shoppingCartElement.Quantity += eventData.AddedQuantity;
ShoppingCartRepository.Save(shoppingCartElement);
}
public IActionResult Index()
{
Category food = new Category("food");
Product apple = new Product("Apple", 100, food);
Product almond = new Product("Almond", 150, food);
Cart cart = shoppingCart.Get(currentCart.Guid);
shoppingCart.AddItem(apple, 3);
shoppingCart.AddItem(almond, 1);
HttpContext.Session.Set("cart", cart);
Order o = new Order();
o.Created = DateTime.Now;
o.Cart = cart;
o.CartId = cart.Id;
//Campaign
Campaign campaign1 = new Campaign(food, 10, 3, DiscountType.Rate);
Campaign campaign2 = new Campaign(food, 20, 5, DiscountType.Rate);
Campaign campaign3 = new Campaign(food, 30, 1, DiscountType.Amount);
shoppingCart.ApplyDiscount(campaign1, campaign2, campaign3);
shoppingCart.GetCampaignDiscount();
//Coupon
Coupon coupon = new Coupon(100, 10, DiscountType.Rate);
shoppingCart.ApplyCoupon(coupon);
shoppingCart.GetCouponDiscount();
//Delivery
var deliveryCost = shoppingCart.GetDeliveryCost();
o.ShipmentPrice = deliveryCost;
//TotalAmount After Discount
var totalAmountDiscount = shoppingCart.GetTotalAmountAfterDiscount();
o.Amount = o.ShipmentPrice + totalAmountDiscount;
return(View());
}
public string GetShoppingCartElement(int productId)
{
var product = ProductRepository.GetById(productId);
if (product == null)
{
return("");
}
var shoppingCartElement = ShoppingCartRepository.Get(productId);
if (shoppingCartElement == null)
{
return("");
}
return(product.Name + ": " + shoppingCartElement.Quantity);
}
public void WhenAddingNewProductToCart_ShouldIncreaseStockInCartRepository()
{
var productsRepository = new ProductsRepository();
var cartRepository = new ShoppingCartRepository();
var cartManager = new CartCommandManager();
var canon = new Product("EOSR1", "Canon EOS R", 1099);
var addCanonCommand = new AddToCartCommand(
cartRepository,
productsRepository,
canon);
cartManager.Execute(addCanonCommand);
cartManager.Execute(addCanonCommand);
cartRepository.Get("EOSR1").Quantity.Should().Be(2);
}
public ShoppingCart GetShoppingCart(int productId)
{
var shoppingCartElement = ShoppingCartRepository.Get(productId);
if (shoppingCartElement == null)
{
shoppingCartElement = new ShoppingCartElement();
shoppingCartElement.ProductId = productId;
shoppingCartElement.Quantity = 0;
}
var quantityAdditionFailedEventHandler = new QuantityAdditionFailedEventHandler();
var quantityAddedDbEventHandler = new QuantityAddedDbEventHandler();
var clearShoppingCartEventHandler = new ClearShoppingCartEventHandler();
return(new ShoppingCart(new EventPublisher(quantityAdditionFailedEventHandler, quantityAddedDbEventHandler, clearShoppingCartEventHandler),
shoppingCartElement.ProductId,
shoppingCartElement.Quantity));
}
public void SellProduct(string productId)
{
var shoppingCart = _shoppingCarts.Get();
if (shoppingCart == null)
{
throw new ShoppingCartNotFound();
}
var product = _products.Get(productId);
if (product == null)
{
throw new ProductNotFound(productId);
}
shoppingCart.Add(product);
_shoppingCarts.Save(shoppingCart);
}
public bool IsCartFullOfProduct(int productId)
{
var shoppingCartElement = ShoppingCartRepository.Get(productId);
return(shoppingCartElement.Quantity >= 20);
}
