From 0e20910061e71e592d899e99b9d646bb25b7757f Mon Sep 17 00:00:00 2001
From: Deluan <github@deluan.com>
Date: Sat, 26 Mar 2016 22:29:26 -0400
Subject: [PATCH] Cleaning old data from artists indexes

---
 domain/index.go                 | 1 +
 persistence/index_repository.go | 9 +++++++++
 scanner/importer.go             | 1 +
 3 files changed, 11 insertions(+)

diff --git a/domain/index.go b/domain/index.go
index ce2a7359d..21e525f91 100644
--- a/domain/index.go
+++ b/domain/index.go
@@ -27,4 +27,5 @@ type ArtistIndexRepository interface {
 	Put(m *ArtistIndex) error
 	Get(id string) (*ArtistIndex, error)
 	GetAll() (ArtistIndexes, error)
+	DeleteAll() error
 }
diff --git a/persistence/index_repository.go b/persistence/index_repository.go
index c21477553..0e030537f 100644
--- a/persistence/index_repository.go
+++ b/persistence/index_repository.go
@@ -37,4 +37,13 @@ func (r *artistIndexRepository) GetAll() (domain.ArtistIndexes, error) {
 	return indices, err
 }
 
+func (r *artistIndexRepository) DeleteAll() error {
+	var empty domain.ArtistIndexes
+	_, err := r.purgeInactive(empty, func(e interface{}) string {
+		return e.(domain.ArtistIndex).Id
+	})
+
+	return err
+}
+
 var _ domain.ArtistIndexRepository = (*artistIndexRepository)(nil)
diff --git a/scanner/importer.go b/scanner/importer.go
index 2b5504868..8287b2c95 100644
--- a/scanner/importer.go
+++ b/scanner/importer.go
@@ -317,6 +317,7 @@ func (i *Importer) findGroup(ig utils.IndexGroups, name string) string {
 }
 
 func (i *Importer) saveIndex(artistIndex map[string]tempIndex) error {
+	i.idxRepo.DeleteAll()
 	for k, temp := range artistIndex {
 		idx := &domain.ArtistIndex{Id: k}
 		for _, v := range temp {