Renamed YoutubeSong to AudioTrack

And renamed YoutubePlaylist to AudioPlaylist

service_soundcloud.go

@@ -61,7 +61,7 @@ func (sc SoundCloud) NewRequest(user *gumble.User, url string) ([]Song, error) {
 		// Create playlist
 		title, _ := apiResponse.String("title")
 		permalink, _ := apiResponse.String("permalink_url")
-		playlist := &YouTubePlaylist{
+		playlist := &AudioPlaylist{
 			id:    permalink,
 			title: title,
 		}
@@ -108,7 +108,7 @@ func (sc SoundCloud) NewSong(user *gumble.User, trackData *jsonq.JsonQuery, offs
 		thumbnail, _ = jsonq.NewQuery(userObj).String("avatar_url")
 	}
 
-	song := &YouTubeSong{
+	song := &AudioTrack{
 		id:        strconv.Itoa(id),
 		title:     title,
 		url:       url,

service_youtube.go

@@ -83,7 +83,7 @@ func (yt YouTube) NewSong(user *gumble.User, id, offset string, playlist Playlis
 		thumbnail, _ := apiResponse.String("items", "0", "snippet", "thumbnails", "high", "url")
 		duration, _ := apiResponse.String("items", "0", "contentDetails", "duration")
 
-		song := &YouTubeSong{
+		song := &AudioTrack{
 			submitter: user,
 			title:     title,
 			id:        id,
@@ -149,7 +149,7 @@ func (yt YouTube) NewPlaylist(user *gumble.User, id string) ([]Song, error) {
 	}
 	title, _ := apiResponse.String("items", "0", "snippet", "title")
 
-	playlist := &YouTubePlaylist{
+	playlist := &AudioPlaylist{
 		id:    id,
 		title: title,
 	}

youtube_dl.go

@@ -24,8 +24,8 @@ import (
 	"github.com/layeh/gumble/gumble_ffmpeg"
 )
 
-// YouTubeSong implements the Song interface
-type YouTubeSong struct {
+// AudioTrack implements the Song interface
+type AudioTrack struct {
 	id        string
 	title     string
 	thumbnail string
@@ -40,8 +40,8 @@ type YouTubeSong struct {
 	service   Service
 }
 
-// YouTubePlaylist implements the Playlist interface
-type YouTubePlaylist struct {
+// AudioPlaylist implements the Playlist interface
+type AudioPlaylist struct {
 	id    string
 	title string
 }