public BasketViewModel(Basket basket)
{
if (basket == null)
{
throw new ArgumentNullException("basket");
}
this.basket = basket;
}
public BasketView(Basket basket)
{
if (basket == null)
{
throw new ArgumentNullException("basket");
}
this.owner = basket.Owner.Identity.Name;
this.lastUpdated = basket.Updated;
this.total = (from e in basket.Contents
select e.Total.Amount).Sum();
}
public override Basket Apply(Basket basket)
{
var policy = new DefaultCustomerDiscountPolicy();
var evaluatedBasket = new Basket(basket.Owner);
foreach (var extent in basket.Contents)
{
var evaluatedProduct = policy.Apply(extent.Product, basket.Owner);
evaluatedBasket.Contents.Add(extent.WithItem(evaluatedProduct));
}
return evaluatedBasket;
}
public override Basket Apply(Basket basket)
{
var discounts = this.repository.GetDiscountedProducts().ToList();
var evaluatedBasket = new Basket(basket.Owner);
foreach (var extent in basket.Contents)
{
var evaluatedProduct = (from d in discounts
where d.Id == extent.Item.Id
select d).DefaultIfEmpty(extent.Item).SingleOrDefault();
evaluatedBasket.Contents.Add(extent.WithItem(evaluatedProduct));
}
return evaluatedBasket;
}
public Basket ConvertTo(Currency currency)
{
if (currency == null)
{
throw new ArgumentNullException("currency");
}
var convertedBasket = new Basket(this.Owner);
foreach (var extent in this.Contents)
{
convertedBasket.Contents.Add(extent.ConvertTo(currency));
}
return convertedBasket;
}
public Basket GetBasketFor(IPrincipal user)
{
if (user == null)
{
throw new ArgumentNullException("user");
}
var b = new Basket(user);
var basketLines = this.repository.GetBasketFor(user);
foreach (var line in basketLines)
{
var basketItem = new Extent(line.Product);
basketItem.Quantity = line.Quantity;
b.Contents.Add(basketItem);
}
var discountedBasket = this.discountPolicy.Apply(b);
return discountedBasket;
}
public void UpdatedForEmptyBasketIsCorrect(Basket sut)
{
// Fixture setup
// Exercise system
var result = sut.Updated;
// Verify outcome
Assert.Equal(DateTimeOffset.MinValue, result);
// Teardown
}
public abstract Basket Apply(Basket basket);
