Implement a caching mechanism

src/Controller/CategoryController.php

@@ -11,6 +11,10 @@ final class CategoryController extends BaseController
     #[Route('/category/{category}', name: 'app_category')]
     public function __invoke(string $category): Response
     {
+        if($this->cache->getItem('list_category_'.$category)->isHit()) {
+            return $this->render('productList.html.twig', ['listType' => 'category_'.$category]);
+        }
+
         $products = Product::with('price')
             ->selectRaw('products.*')
             ->distinct('products.id')
@@ -19,6 +23,7 @@ final class CategoryController extends BaseController
             ->orderByDesc('starred')
             ->orderByDesc('created_by')
             ->get();
-        return $this->render('productList.html.twig', ['products' => $products]);
+
+        return $this->render('productList.html.twig', ['products' => $products, 'listType' => 'category_'.$category]);
     }
 }