Implement a caching mechanism

src/Controller/ProductController.php

@@ -3,6 +3,7 @@
 namespace Krzysiej\RyobiCrawler\Controller;
 
 use Krzysiej\RyobiCrawler\Models\Product;
+use Symfony\Component\Cache\Adapter\FilesystemAdapter;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Attribute\Route;
 use Twig\Error\LoaderError;
@@ -19,6 +20,10 @@ final class ProductController extends BaseController
     #[Route('/product/{productId<\d+>}', name: 'app_product')]
     public function __invoke(int $productId): Response
     {
+        if($this->cache->getItem('product'.$productId)->isHit()) {
+            return $this->render('product.html.twig', ['product' => ['id' => $productId]]);
+        }
+
         $product = Product::with([
             'price' => fn($query) => $query->orderBy('created_at', 'desc'),
             'stock' => fn($query) => $query->orderBy('created_at', 'desc'),