func build(g index.Group, key index.Key) group {
h := group{
Name: g.Name(),
Key: key,
TotalTime: g.Field("TotalTime"),
Artist: g.Field("Artist"),
AlbumArtist: g.Field("AlbumArtist"),
Composer: g.Field("Composer"),
Year: g.Field("Year"),
BitRate: g.Field("BitRate"),
DiscNumber: g.Field("DiscNumber"),
ListStyle: g.Field("ListStyle"),
TrackID: g.Field("TrackID"),
}
if c, ok := g.(index.Collection); ok {
return buildCollection(h, c)
}
getString := func(t index.Track, field string) string {
if g.Field(field) != nil {
return ""
}
return t.GetString(field)
}
getInt := func(t index.Track, field string) int {
if g.Field(field) != nil {
return 0
}
return t.GetInt(field)
}
for _, t := range g.Tracks() {
h.Tracks = append(h.Tracks, track{
TrackID: t.GetString("TrackID"),
Name: t.GetString("Name"),
TotalTime: t.GetInt("TotalTime"),
// Potentially common fields (don't want to re-transmit everything)
Album: getString(t, "Album"),
Artist: getString(t, "Artist"),
AlbumArtist: getString(t, "AlbumArtist"),
Composer: getString(t, "Composer"),
Year: getInt(t, "Year"),
DiscNumber: getInt(t, "DiscNumber"),
BitRate: getInt(t, "BitRate"),
})
}
return h
}
