refactor: auto register domains on watchlist creation

src/State/AutoRegisterDomainProvider.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace App\State;
+
+use ApiPlatform\Metadata\Operation;
+use ApiPlatform\State\ProviderInterface;
+use App\Entity\Domain;
+use App\Service\RDAPService;
+use Doctrine\ORM\EntityManagerInterface;
+use Symfony\Bundle\SecurityBundle\Security;
+use Symfony\Component\DependencyInjection\Attribute\Autowire;
+use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+use Symfony\Component\HttpKernel\Exception\TooManyRequestsHttpException;
+use Symfony\Component\HttpKernel\KernelInterface;
+use Symfony\Component\RateLimiter\RateLimiterFactory;
+
+class AutoRegisterDomainProvider implements ProviderInterface
+{
+    public function __construct(
+        #[Autowire(service: 'api_platform.doctrine.orm.state.item_provider')]
+        private ProviderInterface $itemProvider,
+        private readonly RDAPService $RDAPService,
+        private readonly EntityManagerInterface $entityManager,
+        private readonly KernelInterface $kernel,
+        private readonly ParameterBagInterface $parameterBag,
+        private readonly RateLimiterFactory $rdapRequestsLimiter, private readonly Security $security,
+    ) {
+    }
+
+    public function provide(Operation $operation, array $uriVariables = [], array $context = []): object|array|null
+    {
+        $domain = $this->itemProvider->provide($operation, $uriVariables, $context);
+
+        if (!is_null($domain)) {
+            return $domain;
+        }
+
+        if (false === $this->kernel->isDebug() && true === $this->parameterBag->get('limited_features')) {
+            $limiter = $this->rdapRequestsLimiter->create($this->security->getUser()->getUserIdentifier());
+            $limit = $limiter->consume();
+
+            if (!$limit->isAccepted()) {
+                throw new TooManyRequestsHttpException($limit->getRetryAfter()->getTimestamp() - time());
+            }
+        }
+
+        $ldhName = RDAPService::convertToIdn($uriVariables['ldhName']);
+
+        try {
+            $domain = $this->RDAPService->registerDomain($ldhName);
+        } catch (NotFoundHttpException) {
+            $domain = (new Domain())
+                ->setLdhName($ldhName)
+                ->setTld($this->RDAPService->getTld($ldhName))
+                ->setDelegationSigned(false)
+                ->setDeleted(true);
+
+            $this->entityManager->persist($domain);
+            $this->entityManager->flush();
+        }
+
+        return $domain;
+    }
+}