/// <summary>
/// Adds to shopping cart.
/// </summary>
/// <param name="userInput">The user input.</param>
////NOTE: TOO MANY CONDITIONS BUT THOUGHT TO VALIDATE SOME USER INPUTS.
public ShoppingCart AddToShoppingCart(string userInput)
{
var shoppingCart = new ShoppingCart();
if (!Validate(userInput)) return shoppingCart;
var product = productTasks.GetProductById(Convert.ToInt32(userInput));
if (product != null)
{
return ProcessShoppingCart(product, shoppingCart);
}
defaultConsole.WriteLine(Messages.ProductDoesnotExist);
return shoppingCart;
}
/// <summary>
/// Applies the voucher on basket.
/// </summary>
/// <param name="shoppingCart">The shopping cart.</param>
/// <param name="voucher">The voucher.</param>
public void ApplyVoucherOnBasket(ShoppingCart shoppingCart, Voucher voucher)
{
shoppingCart.Voucher = voucher;
defaultConsole.WriteLine(Messages.TotalCostAfterDiscount, shoppingCart.TotalCostAfterDiscount);
defaultConsole.WriteLine(Messages.VoucherCodeStatusMessage, shoppingCart.Message);
}
private ExitCode Run()
{
defaultConsole.WriteLine(Messages.ProductsTitle);
DisplayAllProducts();
var shoppingCart = new ShoppingCart();
while(true)
{
var userInput = Console.ReadLine();
if (!Equals(userInput, CheckoutUserInput))
{
shoppingCart = AddToShoppingCart(userInput);
}
else if(Equals(userInput, CheckoutUserInput))
{
ProcessCheckout(shoppingCart);
}
else
{
break;
}
}
return ExitCode.Success;
}
private ShoppingCart ProcessShoppingCart(GenericProduct product, ShoppingCart shoppingCart)
{
defaultConsole.WriteLine(Messages.EnterQuantity);
while (true)
{
var quantityInput = Console.ReadLine();
if (Validate(quantityInput))
{
var shoppingCartItem = MapUserInputToDomain(product, quantityInput);
shoppingCart = this.shoppingCartTasks.AddToShoppingCart(shoppingCartItem);
DisplayCartInformation(shoppingCart);
break;
}
}
return shoppingCart;
}
/// <summary>
/// Processes the checkout.
/// </summary>
private void ProcessCheckout(ShoppingCart shoppingCart)
{
while (true)
{
defaultConsole.WriteLine(Messages.EnterVoucherCode);
var voucherCode = Console.ReadLine();
var voucher = CheckIfExists(voucherCode);
if(voucher != null)
{
ApplyVoucherOnBasket(shoppingCart, voucher);
}
else
{
defaultConsole.WriteLine(Messages.VoucherNotVallid);
break;
}
}
}
/// <summary>
/// Displays the cart information.
/// </summary>
/// <param name="shoppingCart">The shopping cart.</param>
private void DisplayCartInformation(ShoppingCart shoppingCart)
{
defaultConsole.WriteLine(Messages.YourBasketContains);
foreach (var item in shoppingCart.Items)
{
defaultConsole.WriteLine(Messages.ShoppingCartItems, item.Id, item.Product.Name, item.Quantity, item.Product.Cost, item.TotalCost);
}
defaultConsole.WriteLine(Messages.YourTotalBasketCost,shoppingCart.TotalCost);
defaultConsole.WriteLine(Messages.TotalBasketCostWithoutGiftVouchers, shoppingCart.TotalCostExcludingGiftVouchers);
defaultConsole.WriteLine(Messages.SelectAnotherProduct);
}
/// <summary>
/// Initializes the <see cref="ShoppingCartFactory"/> class.
/// </summary>
static ShoppingCartFactory()
{
ShoppingCart = new ShoppingCart();
}
/// <summary>
/// Removes the specified entity.
/// </summary>
/// <param name="entity">The entity.</param>
public void Remove(ShoppingCart entity)
{
throw new NotImplementedException();
}
