Implement annotations per user

model/annotation.go

@@ -0,0 +1,32 @@
+package model
+
+import "time"
+
+const (
+	ArtistItemType = "artist"
+	AlbumItemType  = "album"
+	MediaItemType  = "mediaFile"
+)
+
+type Annotation struct {
+	AnnotationID string
+	UserID       string
+	ItemID       string
+	ItemType     string
+	PlayCount    int
+	PlayDate     time.Time
+	Rating       int
+	Starred      bool
+	StarredAt    time.Time
+}
+
+type AnnotationMap map[string]Annotation
+
+type AnnotationRepository interface {
+	Get(userID, itemType string, itemID string) (*Annotation, error)
+	GetMap(userID, itemType string, itemID []string) (AnnotationMap, error)
+	Delete(userID, itemType string, itemID ...string) error
+	IncPlayCount(userID, itemType string, itemID string, ts time.Time) error
+	SetStar(starred bool, userID, itemType string, ids ...string) error
+	SetRating(rating int, userID, itemType string, itemID string) error
+}