Support rebooting workers

internal/torrent/refresh.go

@@ -123,20 +123,27 @@ func (t *TorrentManager) refreshTorrents() []string {
 func (t *TorrentManager) StartRefreshJob() {
 	_ = t.refreshPool.Submit(func() {
 		t.log.Info("Starting periodic refresh job")
+		refreshTicker := time.NewTicker(time.Duration(t.Config.GetRefreshEverySecs()) * time.Second)
+		defer refreshTicker.Stop()
+
 		for {
-			<-time.After(time.Duration(t.Config.GetRefreshEverySecs()) * time.Second)
+			select {
+			case <-refreshTicker.C:
+				checksum := t.getCurrentState()
+				if t.latestState.equal(checksum) {
+					continue
+				}
+				t.SetNewLatestState(checksum)
+				t.log.Infof("Detected changes! Refreshing %d torrents", checksum.TotalCount)
 
-			checksum := t.getCurrentState()
-			if t.latestState.equal(checksum) {
-				continue
+				updatedPaths := t.refreshTorrents()
+				t.log.Info("Finished refreshing torrents")
+
+				t.TriggerHookOnLibraryUpdate(updatedPaths)
+			case <-t.RefreshKillSwitch:
+				t.log.Info("Stopping periodic refresh job")
+				return
 			}
-			t.SetNewLatestState(checksum)
-			t.log.Infof("Detected changes! Refreshing %d torrents", checksum.TotalCount)
-
-			updatedPaths := t.refreshTorrents()
-			t.log.Info("Finished refreshing torrents")
-
-			t.TriggerHookOnLibraryUpdate(updatedPaths)
 		}
 	})
 }