feat: start webhook support

src/Controller/WatchListController.php

@@ -2,11 +2,13 @@
 
 namespace App\Controller;
 
+use App\Config\WebhookScheme;
 use App\Entity\Domain;
 use App\Entity\DomainEntity;
 use App\Entity\DomainEvent;
 use App\Entity\User;
 use App\Entity\WatchList;
+use App\Notifier\TestChatNotification;
 use App\Repository\WatchListRepository;
 use Doctrine\Common\Collections\Collection;
 use Doctrine\ORM\EntityManagerInterface;
@@ -32,6 +34,9 @@ use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
+use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
+use Symfony\Component\Notifier\Transport\AbstractTransportFactory;
+use Symfony\Component\Notifier\Transport\Dsn;
 use Symfony\Component\Routing\Attribute\Route;
 use Symfony\Component\Serializer\SerializerInterface;
 
@@ -65,6 +70,23 @@ class WatchListController extends AbstractController
         $user = $this->getUser();
         $watchList->setUser($user);
 
+        if (null !== $watchList->getWebhookDsn()) {
+            foreach ($watchList->getWebhookDsn() as $dsnString) {
+                $dsn = new Dsn($dsnString);
+
+                $scheme = $dsn->getScheme();
+                $webhookScheme = WebhookScheme::tryFrom($scheme);
+
+                if (null === $webhookScheme) {
+                    throw new BadRequestHttpException("The DSN scheme ($scheme) is not supported");
+                }
+                $transportFactoryClass = $webhookScheme->getChatTransportFactory();
+                /** @var AbstractTransportFactory $transportFactory */
+                $transportFactory = new $transportFactoryClass();
+                $transportFactory->create($dsn)->send((new TestChatNotification())->asChatMessage());
+            }
+        }
+
         /*
          * In the limited version, we do not want a user to be able to register the same domain more than once in their watchlists.
          * This policy guarantees the equal probability of obtaining a domain name if it is requested by several users.
@@ -151,6 +173,16 @@ class WatchListController extends AbstractController
         $user = $this->getUser();
         $watchList->setUser($user);
 
+        if (null !== $watchList->getWebhookDsn()) {
+            foreach ($watchList->getWebhookDsn() as $dsnString) {
+                $scheme = (new Dsn($dsnString))->getScheme();
+
+                if (null === WebhookScheme::tryFrom($scheme)) {
+                    throw new BadRequestHttpException("The DSN scheme ($scheme) is not supported");
+                }
+            }
+        }
+
         if ($this->getParameter('limited_features')) {
             if ($watchList->getDomains()->count() > (int) $this->getParameter('limit_max_watchlist_domains')) {
                 $this->logger->notice('User {username} tried to update a Watchlist. The maximum number of domains has been reached for this Watchlist', [