cleanup von abgeschlossenen jobs

app/mailmerge/tasks.py

@@ -16,6 +16,7 @@ from django.utils import timezone
 from .models import JobLogEntry, MailMergeJob
 from .services.docx_renderer import docx_to_pdf, render_docx
 from .services.pdf_merge import merge_pdfs
+from .services.retention import cleanup_expired_jobs
 
 logger = logging.getLogger(__name__)
 
@@ -85,3 +86,28 @@ def run_mailmerge(self, job_id: str) -> str:
         job.save()
         _log(job, "error", f"Job fehlgeschlagen: {exc}")
         raise
+
+
+# ---------------------------------------------------------------------------
+# Retention-Cleanup
+# ---------------------------------------------------------------------------
+
+@shared_task(name="mailmerge.cleanup_expired_jobs")
+def cleanup_expired_jobs_task(retention_days: int | None = None,
+                              dry_run: bool = False) -> dict:
+    """Periodic Task: löscht abgelaufene Jobs inkl. Files.
+
+    Wird vom Beat-Scheduler aufgerufen. Ergebnis als Dict (Celery-Result-
+    Backend serialisiert Dataclass-Instanzen nicht out-of-the-box).
+    """
+    result = cleanup_expired_jobs(retention_days=retention_days, dry_run=dry_run)
+    summary = {
+        "cutoff": result.cutoff.isoformat(),
+        "dry_run": result.dry_run,
+        "candidates": result.candidates,
+        "deleted_jobs": result.deleted_jobs,
+        "deleted_files": result.deleted_files,
+        "errors": result.errors,
+    }
+    logger.info("Retention-Cleanup-Task abgeschlossen: %s", summary)
+    return summary