Repositories and handler

src/Mooc/Videos/Application/Find/FindLastVideoQuery.php

@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+namespace CodelyTv\Mooc\Videos\Application\Find;
+
+
+final class FindLastVideoQuery
+{
+
+}

src/Mooc/Videos/Application/Find/FindLastVideoQueryHandler.php

@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace CodelyTv\Mooc\Videos\Application\Find;
+
+
+use CodelyTv\Mooc\Videos\Domain\Video;
+use CodelyTv\Mooc\Videos\Domain\VideoRepository;
+
+final class FindLastVideoQueryHandler
+{
+    public function __construct(private VideoRepository $videoRepository)
+    {
+    }
+
+    public function __invoke(FindLastVideoQuery $findLastVideoQuery): ?Video
+    {
+        return $this->videoRepository->findLastVideo();
+    }
+}

src/Mooc/Videos/Domain/VideoRepository.php

@@ -12,5 +12,7 @@ public function save(Video $video): void;
 
     public function search(VideoId $id): ?Video;
 
+    public function findLastVideo(): ?Video;
+
     public function searchByCriteria(Criteria $criteria): Videos;
 }

src/Mooc/Videos/Infrastructure/Persistence/VideoRepositoryMySql.php

@@ -32,6 +32,12 @@ public function search(VideoId $id): ?Video
         return $this->repository(Video::class)->find($id);
     }
 
+    public function findLastVideo(): ?Video
+    {
+        return $this->repository(Video::class)->findOneBy([], ['id' => 'DESC']);
+    }
+
+
     public function searchByCriteria(Criteria $criteria): Videos
     {
         $doctrineCriteria = DoctrineCriteriaConverter::convert($criteria, self::$criteriaToDoctrineFields);