Fixed AlbumId generation. Some code cleanup

repositories/index_repository.go

@@ -5,30 +5,36 @@ import (
 	"errors"
 )
 
-type ArtistIndex struct {
+type ArtistIndex interface {
+	Put(m *models.ArtistIndex) error
+	Get(id string) (*models.ArtistIndex, error)
+	GetAll() ([]models.ArtistIndex, error)
+}
+
+type artistIndex struct {
 	BaseRepository
 }
 
-func NewArtistIndexRepository() *ArtistIndex {
-	r := &ArtistIndex{}
+func NewArtistIndexRepository() ArtistIndex {
+	r := &artistIndex{}
 	r.init("index", &models.ArtistIndex{})
 	return r
 }
 
-func (r *ArtistIndex) Put(m *models.ArtistIndex) error {
+func (r *artistIndex) Put(m *models.ArtistIndex) error {
 	if m.Id == "" {
 		return errors.New("Id is not set")
 	}
 	return r.saveOrUpdate(m.Id, m)
 }
 
-func (r *ArtistIndex) Get(id string) (*models.ArtistIndex, error) {
+func (r *artistIndex) Get(id string) (*models.ArtistIndex, error) {
 	var rec interface{}
 	rec, err := r.readEntity(id)
 	return rec.(*models.ArtistIndex), err
 }
 
-func (r *ArtistIndex) GetAll() ([]models.ArtistIndex, error) {
+func (r *artistIndex) GetAll() ([]models.ArtistIndex, error) {
 	var indices = make([]models.ArtistIndex, 0)
 	err := r.loadAll(&indices)
 	return indices, err