Implement creator studio and upload updates

app/Http/Controllers/SitemapController.php

@@ -0,0 +1,61 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Http\Controllers;
+
+use App\Services\Sitemaps\SitemapBuildService;
+use App\Services\Sitemaps\PublishedSitemapResolver;
+use App\Services\Sitemaps\SitemapXmlRenderer;
+use Illuminate\Http\Response;
+
+final class SitemapController extends Controller
+{
+    public function __construct(
+        private readonly SitemapBuildService $build,
+        private readonly PublishedSitemapResolver $published,
+        private readonly SitemapXmlRenderer $renderer,
+    ) {
+    }
+
+    public function index(): Response
+    {
+        if ((bool) config('sitemaps.delivery.prefer_published_release', true)) {
+            $published = $this->published->resolveIndex();
+            if ($published !== null) {
+                return $this->renderer->xmlResponse($published['content']);
+            }
+        }
+
+        abort_unless((bool) config('sitemaps.delivery.fallback_to_live_build', true), 404);
+
+        $built = $this->build->buildIndex(
+            force: false,
+            persist: (bool) config('sitemaps.refresh.build_on_request', true),
+        );
+
+        return $this->renderer->xmlResponse($built['content']);
+    }
+
+    public function show(string $name): Response
+    {
+        if ((bool) config('sitemaps.delivery.prefer_published_release', true)) {
+            $published = $this->published->resolveNamed($name);
+            if ($published !== null) {
+                return $this->renderer->xmlResponse($published['content']);
+            }
+        }
+
+        abort_unless((bool) config('sitemaps.delivery.fallback_to_live_build', true), 404);
+
+        $built = $this->build->buildNamed(
+            $name,
+            force: false,
+            persist: (bool) config('sitemaps.refresh.build_on_request', true),
+        );
+
+        abort_if($built === null, 404);
+
+        return $this->renderer->xmlResponse($built['content']);
+    }
+}