Prevent race condition with downloaded id

internal/torrent/fixer.go

@@ -21,8 +21,8 @@ func (t *TorrentManager) fixerAddCommand(trigger, command string) {
 	t.writeFixersToFile()
 }
 
-func (t *TorrentManager) handleFixers(instances []realdebrid.Torrent) {
-	t.log.Debugf("Handling fixers - %d left", t.fixers.Count())
+func (t *TorrentManager) processFixers(instances []realdebrid.Torrent) {
+	t.log.Debugf("Processing fixers (%d left)", t.fixers.Count())
 	var toDelete []string
 	var toRedownload []*Torrent
 	allTorrents, _ := t.DirectoryMap.Get(INT_ALL)
@@ -56,25 +56,34 @@ func (t *TorrentManager) handleFixers(instances []realdebrid.Torrent) {
 		infoCache.Remove(id)
 		t.deleteTorrentFile(id)
 	}
+
 	for _, torrent := range toRedownload {
 		t.redownloadTorrent(torrent, "")
 	}
-	// remove expired fixers
-	var expired []string
-	t.fixers.IterCb(func(trigger string, command string) {
-		if infoCache.Has(trigger) {
-			return
-		}
-		expired = append(expired, trigger)
-	})
-	for _, trigger := range expired {
-		t.log.Debugf("Removing expired fixer id=%s", trigger)
-		t.fixers.Remove(trigger)
-	}
 
 	t.writeFixersToFile()
 
-	t.log.Debugf("Finished handling fixers")
+	t.log.Debugf("Finished processing fixers")
+}
+
+func (t *TorrentManager) removeExpiredFixers(instances []realdebrid.Torrent) {
+	fixers := t.fixers.Keys()
+	if len(fixers) == 0 {
+		return
+	}
+	for _, fixerID := range fixers {
+		found := false
+		for _, instance := range instances {
+			if instance.ID == fixerID {
+				found = true
+				break
+			}
+		}
+		if !found {
+			t.log.Debugf("Removing expired fixer id=%s", fixerID)
+			t.fixers.Remove(fixerID)
+		}
+	}
 }
 
 func (t *TorrentManager) writeFixersToFile() {