fix: adds alert when preferences are saved

src/User/Framework/Controller/Web/PreferencesController.php

@@ -15,7 +15,10 @@ use App\Util\CountryLanguages;
 use App\Util\ProviderList;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Bundle\SecurityBundle\Security;
+use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Mercure\HubInterface;
+use Symfony\Component\Mercure\Update;
 use Symfony\Component\Routing\Attribute\Route;
 
 class PreferencesController extends AbstractController
@@ -24,6 +27,7 @@ class PreferencesController extends AbstractController
         private readonly PreferencesRepository $preferencesRepository,
         private readonly SaveUserMediaPreferencesHandler $saveUserMediaPreferencesHandler,
         private readonly Security $security,
+        private readonly HubInterface $hub,
     ) {}
     #[Route('/media/preferences', 'app_media_preferences', methods: ['GET'])]
     public function mediaPreferences(): Response
@@ -54,6 +58,7 @@ class PreferencesController extends AbstractController
 
     #[Route('/media/preferences', 'app_save_media_preferences', methods: ['POST'])]
     public function saveMediaPreferences(
+        Request $request,
         SaveUserMediaPreferencesInput $input,
     ): Response
     {
@@ -63,6 +68,15 @@ class PreferencesController extends AbstractController
         $languages = CountryLanguages::$languages;
         sort($languages);
 
+        $this->hub->publish(new Update(
+            $request->getSession()->get('mercure_alert_topic'),
+            $this->renderView('broadcast/Alert.stream.html.twig', [
+                'alert_id' => uniqid(),
+                'title' => 'Success',
+                'message' => 'Your media preferences have been saved.',
+            ])
+        ));
+
         return $this->render(
             'user/preferences.html.twig',
             [