feat: endpoint FetchMangaChapters et tests

src/Domain/Manga/Application/Command/FetchMangaChapters.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace App\Domain\Manga\Application\Command;
+
+readonly class FetchMangaChapters
+{
+    public function __construct(
+        public string $externalId
+    ) {}
+} 

src/Domain/Manga/Application/CommandHandler/FetchMangaChaptersHandler.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace App\Domain\Manga\Application\CommandHandler;
+
+use App\Domain\Manga\Application\Command\FetchMangaChapters;
+use App\Domain\Manga\Domain\Contract\Client\MangadexClientInterface;
+use App\Domain\Manga\Domain\Contract\Repository\MangaRepositoryInterface;
+use App\Domain\Manga\Domain\Model\Chapter;
+use App\Domain\Manga\Domain\Model\ValueObject\ChapterId;
+use App\Domain\Manga\Domain\Model\ValueObject\ExternalId;
+use Ramsey\Uuid\Uuid;
+
+readonly class FetchMangaChaptersHandler
+{
+    public function __construct(
+        private MangadexClientInterface $mangadexClient,
+        private MangaRepositoryInterface $mangaRepository
+    ) {}
+
+    public function handle(FetchMangaChapters $command): void
+    {
+        $manga = $this->mangaRepository->findByExternalId(new ExternalId($command->externalId));
+        
+        if ($manga === null) {
+            throw new \RuntimeException('Manga not found');
+        }
+
+        $offset = 0;
+        $limit = 500;
+        $hasMore = true;
+
+        while ($hasMore) {
+            $feed = $this->mangadexClient->getMangaFeed(
+                $command->externalId,
+                $offset,
+                $limit
+            );
+
+            foreach ($feed['data'] as $chapterData) {
+                $chapter = new Chapter(
+                    new ChapterId((string) Uuid::uuid4()),
+                    $manga->getId()->getValue(),
+                    (float) $chapterData['attributes']['chapter'],
+                    $chapterData['attributes']['title'],
+                    isset($chapterData['attributes']['volume']) ? (int) $chapterData['attributes']['volume'] : null,
+                    true,
+                    new \DateTimeImmutable()
+                );
+
+                $this->mangaRepository->saveChapter($chapter);
+            }
+
+            $offset += $limit;
+            $hasMore = count($feed['data']) === $limit;
+        }
+    }
+}