begin defining a generic MediaProvider interface and model

backend/mediaprovider/model.go

@@ -0,0 +1,61 @@
+package mediaprovider
+
+type Album struct {
+	ID          string
+	CoverArtID  string
+	Name        string
+	Duration    int
+	ArtistIDs   []string
+	ArtistNames []string
+	Year        int
+	Genres      []string
+	TrackCount  int
+	Favorite    bool
+}
+
+type AlbumWithTracks struct {
+	Album
+	Tracks []Track
+}
+
+type Artist struct {
+	ID     string
+	Name   string
+	Albums []Album
+}
+
+type Genre struct {
+	Name       string
+	AlbumCount int
+	TrackCount int
+}
+
+type Track struct {
+	ID          string
+	CoverArtID  string
+	ParentID    string
+	Name        string
+	Duration    int
+	Genre       string
+	ArtistIDs   []string
+	ArtistNames []string
+	Rating      int
+	Favorite    bool
+	Size        int64
+	PlayCount   int64
+	FilePath    string
+}
+
+type Playlist struct {
+	ID          string
+	CoverArtID  string
+	Name        string
+	Description string
+	Public      bool
+	Owner       string
+}
+
+type PlaylistWithTracks struct {
+	Playlist
+	Tracks []Track
+}