feat: use Symfony cache warmup

Controller/Controller.php

@@ -20,14 +20,15 @@
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpFoundation\Session\Flash\AutoExpireFlashBag;
+use Symfony\Component\HttpKernel\CacheWarmer\CacheWarmerInterface;
 use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
 
 /**
  * Controller class.
  *
  * @author William DURAND <william.durand1@gmail.com>
  */
-class Controller
+class Controller implements CacheWarmerInterface
 {
     protected CacheControlConfig $cacheControlConfig;
 
@@ -60,19 +61,17 @@ public function indexAction(Request $request, $_format): Response
         $cache = new ConfigCache($this->exposedRoutesExtractor->getCachePath($request->getLocale()), $this->debug);
 
         if (!$cache->isFresh() || $this->debug) {
-            $exposedRoutes = $this->exposedRoutesExtractor->getRoutes();
-            $serializedRoutes = $this->serializer->serialize($exposedRoutes, 'json');
-            $cache->write($serializedRoutes, $this->exposedRoutesExtractor->getResources());
-        } else {
-            $path = method_exists($cache, 'getPath') ? $cache->getPath() : (string) $cache;
-            $serializedRoutes = file_get_contents($path);
-            $exposedRoutes = $this->serializer->deserialize(
-                $serializedRoutes,
-                'Symfony\Component\Routing\RouteCollection',
-                'json'
-            );
+            $this->warmUp(dirname($cache->getPath()));
         }
 
+        $path = method_exists($cache, 'getPath') ? $cache->getPath() : (string) $cache;
+        $serializedRoutes = file_get_contents($path);
+        $exposedRoutes = $this->serializer->deserialize(
+            $serializedRoutes,
+            'Symfony\Component\Routing\RouteCollection',
+            'json'
+        );
+
         $this->routesResponse->setBaseUrl($this->exposedRoutesExtractor->getBaseUrl());
         $this->routesResponse->setRoutes($exposedRoutes);
         $this->routesResponse->setPrefix($this->exposedRoutesExtractor->getPrefix($request->getLocale()));
@@ -97,4 +96,19 @@ public function indexAction(Request $request, $_format): Response
 
         return $response;
     }
+
+    public function warmUp(string $cacheDir, ?string $buildDir = null): array
+    {
+        $cache = new ConfigCache($this->exposedRoutesExtractor->getCachePath(null), $this->debug);
+        $exposedRoutes = $this->exposedRoutesExtractor->getRoutes();
+        $serializedRoutes = $this->serializer->serialize($exposedRoutes, 'json');
+        $cache->write($serializedRoutes, $this->exposedRoutesExtractor->getResources());
+
+        return [$cache->getPath()];
+    }
+
+    public function isOptional(): bool
+    {
+        return true;
+    }
 }

Resources/config/controllers.php

@@ -22,6 +22,7 @@
     $containerConfigurator->services()
         ->set('fos_js_routing.controller', '%fos_js_routing.controller.class%')
             ->public()
+            ->tag('kernel.cache_warmer')
             ->args([
                 service('fos_js_routing.routes_response'),
                 service('fos_js_routing.serializer'),

Tests/Controller/ControllerTest.php

@@ -113,6 +113,29 @@ public function testConfigCache(): void
         $this->assertEquals('{"base_url":"","routes":{"literal":{"tokens":[["text","\/homepage"]],"defaults":[],"requirements":[],"hosttokens":[],"methods":[],"schemes":[]}},"prefix":"","host":"","port":null,"scheme":"","locale":"en"}', $response->getContent());
     }
 
+    public function testWarmUp(): void
+    {
+        $routes = new RouteCollection();
+        $routes->add('literal', new Route('/homepage'));
+
+        $controller = new Controller(
+            $this->routesResponse,
+            $this->getSerializer(),
+            $this->getExtractor($routes),
+        );
+
+        if (file_exists($this->cachePath)) {
+            unlink($this->cachePath);
+        }
+
+        $files = $controller->warmUp(dirname($this->cachePath));
+
+        $this->assertFileExists($this->cachePath);
+        $this->assertStringContainsString('homepage', file_get_contents($this->cachePath));
+        $this->assertCount(1, $files);
+        $this->assertEquals($this->cachePath, $files[0]);
+    }
+
     /**
      * @dataProvider dataProviderForTestGenerateWithCallback
      */