Current state with latest updates

app/Http/Controllers/SitemapController.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace App\Http\Controllers;
 
 use App\Services\Sitemaps\PublishedSitemapResolver;
+use App\Services\Sitemaps\SitemapBuildService;
 use App\Services\Sitemaps\SitemapXmlRenderer;
 use Symfony\Component\HttpFoundation\BinaryFileResponse;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
@@ -14,34 +15,38 @@ final class SitemapController extends Controller
 {
     public function __construct(
         private readonly PublishedSitemapResolver $published,
+        private readonly SitemapBuildService $build,
         private readonly SitemapXmlRenderer $renderer,
     ) {
     }
 
     public function index(): Response|BinaryFileResponse
     {
-        // 1. Static file written by the build/generate commands.
-        //    On production nginx serves this directly via try_files without reaching PHP.
-        //    On dev / misconfigured servers we stream it with sendfile — no RAM load.
-        $path = public_path('sitemap.xml');
-        if (file_exists($path)) {
-            return $this->xmlFileResponse($path);
-        }
-
-        // 2. Published release (release management pipeline fallback).
+        // 1. Published release (release management pipeline fallback).
         $published = $this->published->resolveIndex();
         if ($published !== null) {
             return $this->renderer->xmlResponse($published['content']);
         }
 
+        // 2. Live-build fallback when no published sitemap is available.
+        if ((bool) config('sitemaps.delivery.fallback_to_live_build', true)) {
+            $built = $this->build->buildIndex(force: true, persist: false);
+
+            return $this->renderer->xmlResponse($built['content']);
+        }
+
         throw new NotFoundHttpException();
     }
 
     public function show(string $name): Response|BinaryFileResponse
     {
+        if ($name === 'sitemap') {
+            return $this->index();
+        }
+
         // 1. Static file.
         $path = public_path('sitemaps/' . $name . '.xml');
-        if (file_exists($path)) {
+        if ((bool) config('sitemaps.pre_generated.enabled', true) && file_exists($path)) {
             return $this->xmlFileResponse($path);
         }
 
@@ -51,6 +56,13 @@ final class SitemapController extends Controller
             return $this->renderer->xmlResponse($published['content']);
         }
 
+        if ((bool) config('sitemaps.delivery.fallback_to_live_build', true)) {
+            $built = $this->build->buildNamed($name, force: true, persist: false);
+            if ($built !== null) {
+                return $this->renderer->xmlResponse($built['content']);
+            }
+        }
+
         throw new NotFoundHttpException();
     }
 
@@ -61,4 +73,4 @@ final class SitemapController extends Controller
             'Cache-Control' => 'public, max-age=' . max(60, (int) config('sitemaps.cache_ttl_seconds', 900)),
         ]);
     }
-}
+}