Add year to ChildTracks of an Album

server/ctrlsubsonic/spec/construct_by_tags.go

@@ -50,6 +50,7 @@ func NewTrackByTags(t *db.Track, album *db.Album) *TrackChild {
 		Duration: t.Length,
 		Bitrate:  t.Bitrate,
 		Type:     "music",
+		Year:     album.TagYear,
 	}
 	if album.Cover != "" {
 		ret.CoverID = album.SID()

server/ctrlsubsonic/spec/spec.go

@@ -140,6 +140,7 @@ type TrackChild struct {
 	TrackNumber int        `xml:"track,attr,omitempty"       json:"track,omitempty"`
 	DiscNumber  int        `xml:"discNumber,attr,omitempty"  json:"discNumber,omitempty"`
 	Type        string     `xml:"type,attr,omitempty"        json:"type,omitempty"`
+	Year        int        `xml:"year,attr,omitempty"        json:"year,omitempty"`
 }
 
 type Artists struct {