Enhance PVideoDl with finished_at tracking for downloads and UI updates. Added finished_at field to Download model, updated storage to handle legacy databases, and improved frontend to display recent downloads. Refactored scripts for better clarity and error handling.

app/services/worker.py

@@ -13,7 +13,7 @@ import logging
 from app.core.events import EventBus
 from app.core.queue import DownloadQueue
 from app.core.storage import Storage
-from app.models import Download, DownloadEvent, DownloadStatus
+from app.models import Download, DownloadEvent, DownloadStatus, _now
 from app.services.downloader import Progress, pick_downloader
 
 logger = logging.getLogger("pvideodl.worker")
@@ -89,7 +89,12 @@ class WorkerPool:
         except Exception as exc:  # noqa: BLE001
             logger.warning("Ошибка скачивания %s: %s", download.url, exc)
             failed = await self._storage.update(
-                download_id, status=DownloadStatus.FAILED, error=str(exc), speed=None, eta=None
+                download_id,
+                status=DownloadStatus.FAILED,
+                error=str(exc),
+                speed=None,
+                eta=None,
+                finished_at=_now(),
             )
             await self._publish("failed", failed)
             return
@@ -104,6 +109,7 @@ class WorkerPool:
             speed=None,
             eta=0,
             error=None,
+            finished_at=_now(),
         )
         await self._publish("done", done)