Fixes lock

main.go

@@ -218,7 +218,7 @@ func (a *appData) indexAlbum(stopChan <-chan struct{},
 			if err != nil {
 				a.errors <- fmt.Errorf("[INDEX]: delete failed: %s", err)
 			}
-			a.dbLock <- true
+
 		}
 	}
 }
@@ -227,12 +227,14 @@ func (a *appData) cacheAlbumDescription(getAlbum <-chan *Album, toIndex chan<- *
 	nbAlbums := 0
 	for album := range getAlbum {
 		nbAlbums++
+		a.dbLock <- true
 		albumCache, err := a.db.Get(album.ID)
+		<-a.dbLock
+
 		if err == nil {
 			toIndex <- albumCache
 			continue
 		}
-		a.dbLock <- true
 
 		err = a.getter.Get(album)
 		if err != nil {
@@ -240,6 +242,7 @@ func (a *appData) cacheAlbumDescription(getAlbum <-chan *Album, toIndex chan<- *
 			<-a.dbLock
 			continue
 		}
+		a.dbLock <- true
 		err = a.db.AddOrUpdate(album)
 		<-a.dbLock
 		if err != nil {