Introduced interfaces for all repositories, completely isolating the persistence layer from the repositories usage and specification

domain/album.go

@@ -8,4 +8,10 @@ type Album struct {
 	Year         int
 	Compilation  bool
 	Rating       int
+}
+
+type AlbumRepository interface {
+	BaseRepository
+	Put(m *Album) error
+	Get(id string) (*Album, error)
 }

domain/artist.go

@@ -3,4 +3,12 @@ package domain
 type Artist struct {
 	Id     string
 	Name   string
-}
+}
+
+type ArtistRepository interface {
+	BaseRepository
+	Put(m *Artist) error
+	Get(id string) (*Artist, error)
+	GetByName(name string) (*Artist, error)
+}
+

domain/base.go

@@ -0,0 +1,8 @@
+package domain
+
+type BaseRepository interface {
+	NewId(fields ...string) string
+	CountAll() (int, error)
+
+}
+

domain/index.go

@@ -12,6 +12,7 @@ type ArtistIndex struct {
 
 
 type ArtistIndexRepository interface {
+	BaseRepository
 	Put(m *ArtistIndex) error
 	Get(id string) (*ArtistIndex, error)
 	GetAll() ([]ArtistIndex, error)

domain/media_file.go

@@ -15,4 +15,9 @@ type MediaFile struct {
 	Compilation bool
 	CreatedAt   time.Time
 	UpdatedAt   time.Time
+}
+
+type MediaFileRepository interface {
+	BaseRepository
+	Put(m *MediaFile) error
 }

domain/media_folder.go

@@ -4,4 +4,9 @@ type MediaFolder struct {
 	Id string
 	Name string
 	Path string
-}
+}
+
+type MediaFolderRepository interface {
+	GetAll() ([]MediaFolder, error)
+}
+