Adds latest episode api endpoint and some other minor modifications.

site/app/Http/Controllers/PodcastController.php

@@ -8,6 +8,7 @@ use Illuminate\Support\Facades\DB;
 use App\Models\Podcast;
 use App\Models\Artworks;
 use App\Models\Episode;
+use App\Http\Resources\LatestEpisodeResource;
 
 
 class PodcastController extends Controller
@@ -33,4 +34,26 @@ class PodcastController extends Controller
             'podcasts'  => $podcasts,
         ]);
     }
+
+    /**
+     * Display the latest episode's chosen artwork for third party tools.
+     *
+     * @param $slug
+     * @return \Illuminate\Http\Response
+     */
+    public function latest_artwork(Request $request, $slug)
+    {
+        $podcast = Podcast::with('latestArtwork.artist')
+            ->where('slug', $slug)
+            ->where('published', true)
+            ->firstOrFail();
+        $art = $podcast->latestArtwork;
+
+        return new LatestEpisodeResource($podcast);
+        return response()->json([
+            'episode_number' => optional($podcast->latestEpisode)->episode_number,
+            'artwork'        => $art,
+            'artist'         => optional($art)->artist,
+        ]);
+    }
 }