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<?php
declare(strict_types=1);
namespace Simara\Cart\Application;
use Simara\Cart\Domain\Cart;
use Simara\Cart\Domain\CartDetail;
use Simara\Cart\Domain\CartNotFoundException;
use Simara\Cart\Domain\CartRepository;
use Simara\Cart\Domain\Prices;
final class CartUseCase
{
/**
* @var CartRepository
*/
private $repository;
* @var Prices
private $prices;
public function __construct(CartRepository $repository, Prices $prices)
$this->repository = $repository;
$this->prices = $prices;
}
public function add(string $cartId, string $productId, int $amount): void
$cart = $this->get($cartId);
$cart->add($productId, $amount);
$this->repository->add($cart);
public function detail(string $cartId): CartDetail
return $this->get($cartId)->calculate($this->prices);
private function get(string $cartId): Cart
try {
return $this->repository->get($cartId);
} catch (CartNotFoundException $e) {
return new Cart($cartId);