Dumplie\Customer\Application\Command\NewCheckoutHandler::handle PHP Method

    public function handle(NewCheckout $command)
    {
        $cartId = new CartId($command->cartId());
        if (!$this->carts->exists($cartId)) {
            throw new CartNotFoundException();
        }
        $billingAddress = new Address($command->name(), $command->street(), $command->postCode(), $command->city(), $command->countryIso2Code());
        if ($this->checkouts->existsForCart($cartId)) {
            throw new CheckoutAlreadyExistsException();
        }
        $this->checkouts->add(new Checkout($cartId, $billingAddress));
    }