move controller service logics into a service

src/Service/Admin/DocumentTagAdminService.php

@@ -0,0 +1,72 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service\Admin;
+
+use App\Entity\Document;
+use App\Entity\Tag;
+use App\Service\TagRebuildJobService;
+use App\Tag\TagService;
+use Doctrine\ORM\EntityManagerInterface;
+
+final class DocumentTagAdminService
+{
+    public function __construct(
+        private readonly EntityManagerInterface $em,
+        private readonly TagService $tagService,
+        private readonly TagRebuildJobService $jobs,
+    ) {}
+
+    /**
+     * @return array{
+     *   document: Document,
+     *   allTags: list<Tag>,
+     *   latestJob: mixed
+     * }
+     */
+    public function getEditData(string $documentId): array
+    {
+        $document = $this->em->getRepository(Document::class)->find($documentId);
+        if (!$document instanceof Document) {
+            throw new \RuntimeException('Document not found');
+        }
+
+        /** @var list<Tag> $allTags */
+        $allTags = $this->em->createQueryBuilder()
+            ->select('t')
+            ->from(Tag::class, 't')
+            ->orderBy('t.label', 'ASC')
+            ->getQuery()
+            ->getResult();
+
+        $latestJob = $this->jobs->getLatestJob();
+
+        return [
+            'document' => $document,
+            'allTags' => $allTags,
+            'latestJob' => $latestJob,
+        ];
+    }
+
+    /**
+     * Speichert die Tag-Auswahl für ein Dokument (inkl. Sync-Logik).
+     */
+    public function saveTags(string $documentId, array $selectedTagIds): void
+    {
+        $document = $this->em->getRepository(Document::class)->find($documentId);
+        if (!$document instanceof Document) {
+            throw new \RuntimeException('Document not found');
+        }
+
+        // Delegation an deine Domain-Logik (bleibt dort, wo sie hingehört)
+        $this->tagService->syncDocumentTags($document, $selectedTagIds);
+    }
+
+    public function getLatestRebuildStatus(): ?string
+    {
+        $job = $this->jobs->getLatestJob();
+
+        return $job?->getStatus();
+    }
+}