add more info to dialog and adjust layout

backend/mediaprovider/model.go

@@ -102,7 +102,17 @@ type Track struct {
 	PlayCount   int
 	FilePath    string
 	BitRate     int
+	ContentType string
 	Comment     string
+	BPM         int
+	ReplayGain  ReplayGainInfo
+}
+
+type ReplayGainInfo struct {
+	TrackGain float64
+	AlbumGain float64
+	TrackPeak float64
+	AlbumPeak float64
 }
 
 type Playlist struct {

backend/mediaprovider/subsonic/subsonicmediaprovider.go

@@ -493,6 +493,13 @@ func toTrack(ch *subsonic.Child) *mediaprovider.Track {
 		artistIDs = append(artistIDs, ch.ArtistID)
 	}
 
+	var rGain mediaprovider.ReplayGainInfo
+	if rg := ch.ReplayGain; rg != nil {
+		rGain.AlbumGain = rg.AlbumGain
+		rGain.TrackGain = rg.TrackGain
+		rGain.AlbumPeak = rg.AlbumPeak
+		rGain.TrackPeak = rg.TrackPeak
+	}
 	return &mediaprovider.Track{
 		ID:          ch.ID,
 		CoverArtID:  ch.CoverArt,
@@ -513,7 +520,9 @@ func toTrack(ch *subsonic.Child) *mediaprovider.Track {
 		FilePath:    ch.Path,
 		Size:        ch.Size,
 		BitRate:     ch.BitRate,
+		ContentType: ch.ContentType,
 		Comment:     ch.Comment,
+		BPM:         ch.BPM,
 	}
 }