Clean up torrents before removing referenced storages

data/model/storage.py

@@ -69,6 +69,12 @@ def garbage_collect_storage(storage_id_whitelist):
                                                     storage_id_whitelist,
                                                     (ImageStorage.id,)).alias('osq'))
     if len(orphaned_storages) > 0:
+      torrents_removed = (TorrentInfo
+                          .delete()
+                          .where(TorrentInfo.storage << orphaned_storages)
+                          .execute())
+      logger.debug('Removed %s torrent info records', torrents_removed)
+
       storages_removed = (ImageStorage
                           .delete()
                           .where(ImageStorage.id << orphaned_storages)