Fix possible issues

internal/torrent/refresh.go

@@ -87,7 +87,9 @@ func (t *TorrentManager) refreshTorrents() []string {
 	})
 
 	if t.Config.EnableRepair() {
-		t.handleFixers()
+		t.workerPool.Submit(func() {
+			t.handleFixers()
+		})
 	}
 
 	return updatedPaths
@@ -104,11 +106,11 @@ func (t *TorrentManager) StartRefreshJob() {
 			select {
 			case <-refreshTicker.C:
 				checksum := t.getCurrentState()
-				if t.latestState.equal(checksum) {
+				if t.latestState.Eq(checksum) {
 					continue
 				}
-				t.SetNewLatestState(checksum)
 				t.log.Infof("Detected changes! Refreshing %d torrents", checksum.TotalCount)
+				t.setNewLatestState(checksum)
 
 				updatedPaths := t.refreshTorrents()
 				t.log.Info("Finished refreshing torrents")
@@ -175,15 +177,17 @@ func (t *TorrentManager) getMoreInfo(rdTorrent realdebrid.Torrent) *Torrent {
 			continue
 		}
 		selectedFiles = append(selectedFiles, &File{
-			File:  file,
-			Ended: info.Ended,
-			Link:  "", // no link yet
+			File:     file,
+			Ended:    info.Ended,
+			Link:     "", // no link yet
+			IsBroken: true,
 		})
 	}
 	if len(selectedFiles) == len(info.Links) {
 		// all links are still intact! good!
 		for i, file := range selectedFiles {
 			file.Link = info.Links[i]
+			file.IsBroken = false
 		}
 		torrent.UnassignedLinks = mapset.NewSet[string]()
 	} else {
@@ -278,7 +282,7 @@ func (t *TorrentManager) mergeToMain(existing, toMerge *Torrent) Torrent {
 	// 1. https://*** - the file is available
 	// 3. empty - the file is not available
 	mainTorrent.SelectedFiles.IterCb(func(key string, file *File) {
-		if file.Link == "" {
+		if file.IsBroken {
 			file, ok := older.SelectedFiles.Get(key)
 			if ok {
 				mainTorrent.SelectedFiles.Set(key, file)