public function processNextCart(Cart $cart)
{
$this->totalPrice = 0;
$items = $cart->getItems();
foreach ($items as $oneItem) {
$discountedItem = $this->discountList->createDiscountedItem($oneItem);
$this->totalPrice += $discountedItem->getPrice();
}
}
public function setUp()
{
$discountFactory = new DiscountFactory();
$discountList = new DiscountList();
$discountList->addDiscount($discountFactory->createPriceDiscountAboveQuantity('Apple', 5, 7));
$discountList->addDiscount($discountFactory->createQuantityDiscountAboveQuantity('Starship', 2, 1));
$this->cart = new Cart();
$this->cashier = new Cashier($discountList);
$this->factory = new ProductFactory();
}