Renamed error variable

engine/browser.go

@@ -78,7 +78,7 @@ func (c browser) Directory(id string) (*DirectoryInfo, error) {
 		dir = c.buildAlbumDir(al, tracks)
 	default:
 		beego.Debug("Id", id, "not found")
-		return nil, DataNotFound
+		return nil, ErrDataNotFound
 	}
 
 	return dir, nil

engine/common.go

@@ -25,5 +25,5 @@ type Child struct {
 }
 
 var (
-	DataNotFound = errors.New("Data Not Found")
+	ErrDataNotFound = errors.New("Data Not Found")
 )

engine/cover.go

@@ -48,7 +48,7 @@ func (c cover) Get(id string, size int, out io.Writer) error {
 	}
 
 	if err != nil {
-		return DataNotFound
+		return ErrDataNotFound
 	}
 
 	if size > 0 {

engine/cover_test.go

@@ -53,7 +53,7 @@ func TestCover(t *testing.T) {
 			err := cover.Get("2", 0, out)
 
 			Convey("Then it should return DatNotFound error", func() {
-				So(err, ShouldEqual, engine.DataNotFound)
+				So(err, ShouldEqual, engine.ErrDataNotFound)
 			})
 		})
 		Convey("When specifying a size", func() {

engine/playlists.go

@@ -35,7 +35,7 @@ func (p playlists) Get(id string) (*PlaylistInfo, error) {
 	}
 
 	if pl == nil {
-		return nil, DataNotFound
+		return nil, ErrDataNotFound
 	}
 
 	pinfo := &PlaylistInfo{Id: pl.Id, Name: pl.Name}