wip-feat: mercure alerts

src/Controller/AlertController.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Controller;
+
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\DependencyInjection\Attribute\Autowire;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Mercure\HubInterface;
+use Symfony\Component\Mercure\Update;
+use Symfony\Component\Routing\Attribute\Route;
+use Twig\Environment;
+
+final class AlertController extends AbstractController
+{
+    public function __construct(
+        #[Autowire(service: 'twig')] private readonly Environment $renderer,
+        private readonly HubInterface $hub,
+    ) {}
+
+    #[Route('/alert', name: 'app_alert')]
+    public function index(): Response
+    {
+        $update = new Update(
+            'alerts',
+            $this->renderer->render('broadcast/Alert.html.twig', [
+                'alert_id' => 1,
+                'title' => 'Added to queue',
+                'message' => 'This is a testy test!',
+            ])
+        );
+
+        $this->hub->publish($update);
+        return $this->json([
+            'Success' => 'Published'
+        ]);
+    }
+}