/**
* @param OrderId $id
* @param Products $products
* @param Carts $carts
* @return Order
* @throws EmptyCartException
* @throws ProductNotFoundException
*/
public function placeOrder(OrderId $id, Products $products, Carts $carts) : Order
{
$cart = $carts->getById($this->cartId());
if ($cart->isEmpty()) {
throw new EmptyCartException();
}
$orderItems = [];
foreach ($cart->items() as $item) {
$product = $products->getBySku($item->sku());
$orderItems[] = OrderItem::createFromProduct($product, $item->quantity());
}
return new Order($id, $orderItems, $this->billingAddress(), $this->shippingAddress());
}
/**
* @param RemoveFromCart $command
*
* @throws \Exception
*/
public function handle(RemoveFromCart $command)
{
$cart = $this->carts->getById(new CartId($command->cartId()));
$cart->remove(new SKU($command->sku()));
}
function it_throws_exception_when_cart_is_empty(Products $products, Carts $carts)
{
$cart = new Cart(CartId::generate(), 'EUR');
$carts->getById(Argument::type(CartId::class))->willReturn($cart);
$this->shouldThrow(EmptyCartException::class)->during('placeOrder', [OrderId::generate(), $products, $carts]);
}
/**
* @param AddToCart $command
*
* @throws \Exception
*/
public function handle(AddToCart $command)
{
$product = $this->products->getBySku(new SKU($command->sku()));
$cart = $this->carts->getById(new CartId($command->cartId()));
$cart->add($product, $command->quantity());
}
