Add underwater sites

src/Controller/UnderwaterController.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Controller;
+
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\JsonResponse;
+use Symfony\Component\Routing\Attribute\Route;
+use App\Entity\Underwater;
+use Doctrine\ORM\EntityManagerInterface;
+
+class UnderwaterController extends AbstractController
+{
+    #[Route('/underwater', name: 'app_underwater')]
+    public function index(EntityManagerInterface $em): JsonResponse
+    {
+        $repo = $em->getRepository(Underwater::class);
+
+        $underwater = $repo->findAll();
+
+        foreach ($underwater as $under) {
+            $coords = $repo->coordinates($under->getId());
+            $under->setLat($coords['lat']);
+            $under->setLng($coords['lng']);
+        }
+
+        return $this->json($underwater);
+    }
+}