add anime /themes endpoint

app/Http/Controllers/V4DB/AnimeController.php

@@ -13,6 +13,7 @@ use App\Http\Resources\V4\AnimeEpisodesResource;
 use App\Http\Resources\V4\AnimeForumResource;
 use App\Http\Resources\V4\AnimeRelationsCollection;
 use App\Http\Resources\V4\AnimeRelationsResource;
+use App\Http\Resources\V4\AnimeThemesResource;
 use App\Http\Resources\V4\MoreInfoResource;
 use App\Http\Resources\V4\AnimeNewsResource;
 use App\Http\Resources\V4\PicturesResource;
@@ -1036,4 +1037,87 @@ class AnimeController extends Controller
             $request
         );
     }
+
+    /**
+     *  @OA\Get(
+     *     path="/anime/{id}/themes",
+     *     operationId="getAnimeThemes",
+     *     tags={"anime"},
+     *
+     *     @OA\Parameter(
+     *       name="id",
+     *       in="path",
+     *       required=true,
+     *       @OA\Schema(type="integer")
+     *     ),
+     *
+     *     @OA\Parameter(ref="#/components/parameters/page"),
+     *
+     *     @OA\Response(
+     *         response="200",
+     *         description="Returns anime relations",
+     *         @OA\JsonContent(
+     *              ref="#/components/schemas/anime reviews"
+     *         )
+     *     ),
+     *     @OA\Response(
+     *         response="400",
+     *         description="Error: Bad request. When required parameters were not supplied.",
+     *     ),
+     * )
+     */
+    public function themes(Request $request, int $id)
+    {
+        $results = Anime::query()
+            ->where('mal_id', $id)
+            ->get();
+
+        if (
+            $results->isEmpty()
+            || $this->isExpired($request, $results)
+        ) {
+            $response = Anime::scrape($id);
+
+            if ($results->isEmpty()) {
+                $meta = [
+                    'createdAt' => new UTCDateTime(),
+                    'modifiedAt' => new UTCDateTime(),
+                    'request_hash' => $this->fingerprint
+                ];
+            }
+            $meta['modifiedAt'] = new UTCDateTime();
+
+            $response = $meta + $response;
+
+            if ($results->isEmpty()) {
+                Anime::query()
+                    ->insert($response);
+            }
+
+            if ($this->isExpired($request, $results)) {
+                Anime::query()
+                    ->where('mal_id', $id)
+                    ->update($response);
+            }
+
+            $results = Anime::query()
+                ->where('mal_id', $id)
+                ->get();
+        }
+
+        if ($results->isEmpty()) {
+            return HttpResponse::notFound($request);
+        }
+
+
+        $response = (new AnimeThemesResource(
+            $results->first()
+        ))->response();
+
+        return $this->prepareResponse(
+            $response,
+            $results,
+            $request
+        );
+    }
 }

app/Http/Resources/V4/AnimeResource.php

@@ -289,7 +289,6 @@ class AnimeResource extends JsonResource
             'licensors' => $this->licensors,
             'studios' => $this->studios,
             'genres' => $this->genres,
-            'themes' => $this->themes
         ];
     }
 }

app/Http/Resources/V4/AnimeThemesResource.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Http\Resources\V4;
+
+use Illuminate\Http\Resources\Json\JsonResource;
+
+class AnimeThemesResource extends JsonResource
+{
+
+    /**
+     * Transform the resource into an array.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @return array
+     */
+    public function toArray($request)
+    {
+        return $this['themes'];
+    }
+}

routes/web.v4.php

@@ -84,6 +84,10 @@ $router->group(
         $router->get('/relations', [
             'uses' => 'AnimeController@relations'
         ]);
+
+        $router->get('/themes', [
+            'uses' => 'AnimeController@themes'
+        ]);
     }
 );