Central/src/State/EnvironmentCreateProcessor.php

<?php

declare(strict_types=1);

namespace App\State;

use ApiPlatform\Metadata\Operation;
use ApiPlatform\State\ProcessorInterface;
use App\Entity\Environment;
use App\Repository\ApplicationRepository;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;

final readonly class EnvironmentCreateProcessor implements ProcessorInterface
{
    public function __construct(
        private ApplicationRepository $applicationRepository,
        private EntityManagerInterface $entityManager,
    ) {}

    /**
     * @param Environment $data
     */
    public function process(mixed $data, Operation $operation, array $uriVariables = [], array $context = []): Environment
    {
        $slug = $uriVariables['slug']
            ?? $context['request']?->attributes->get('slug')
            ?? $context['request']?->attributes->get('_route_params')['slug']
            ?? '';

        $application = $this->applicationRepository->findOneBy(['slug' => $slug]);

        if (null === $application) {
            throw new NotFoundHttpException(sprintf('Application "%s" not found.', $slug));
        }

        $data->setApplication($application);

        $this->entityManager->persist($data);
        $this->entityManager->flush();

        return $data;
    }
}