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app/Http/Controllers/RSS/CreatorFeedController.php

@@ -0,0 +1,49 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Http\Controllers\RSS;
+
+use App\Http\Controllers\Controller;
+use App\Models\Artwork;
+use App\Models\User;
+use App\Services\RSS\RSSFeedBuilder;
+use Illuminate\Http\Response;
+use Illuminate\Support\Facades\Cache;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+
+/**
+ * CreatorFeedController
+ *
+ * GET /rss/creator/{username} → latest artworks by a given creator (spec §3.5)
+ */
+final class CreatorFeedController extends Controller
+{
+    public function __construct(private readonly RSSFeedBuilder $builder) {}
+
+    public function __invoke(string $username): Response
+    {
+        $user = User::where('username', $username)->first();
+
+        if (! $user) {
+            throw new NotFoundHttpException("Creator [{$username}] not found.");
+        }
+
+        $feedUrl  = url('/rss/creator/' . $username);
+        $artworks = Cache::remember('rss:creator:' . strtolower($username), 300, fn () =>
+            Artwork::public()->published()
+                ->with(['user:id,username', 'categories:id,name,slug,content_type_id'])
+                ->where('artworks.user_id', $user->id)
+                ->latest('artworks.published_at')
+                ->limit(RSSFeedBuilder::FEED_LIMIT)
+                ->get()
+        );
+
+        return $this->builder->buildFromArtworks(
+            $user->username . '\'s Artworks',
+            'Latest artworks by ' . $user->username . ' on Skinbase.',
+            $feedUrl,
+            $artworks,
+        );
+    }
+}