Applications web Symfony pensées pour durer.

<?php
declare(strict_types=1);

namespace App\Application\Order;

// Handler pur : aucune dépendance Symfony ni Doctrine ici.
final class PlaceOrderHandler
{
    public function __construct(
        private readonly OrderRepository $orders,
        private readonly StockChecker    $stock,
        private readonly EventBus        $events,
    ) {}

    public function __invoke(PlaceOrder $cmd): OrderId
    {
        if (!$this->stock->canFulfill($cmd->items)) {
            throw new OutOfStock($cmd->items);
        }

        $order = Order::place($cmd->customerId, $cmd->items);
        $this->orders->save($order);
        $this->events->publishAll($order->releaseEvents());

        return $order->id();
    }
}