correct AlbumArtist for playlist

main.go

@@ -318,7 +318,7 @@ func checkArtist(artistUrl string, token string, relationship string) ([]string,
 
 func getMeta(albumId string, token string, storefront string) (*structs.AutoGenerated, error) {
 	var mtype string
-	var page int
+	var next string
 	if strings.Contains(albumId, "pl.") {
 		mtype = "playlists"
 	} else {
@@ -334,7 +334,7 @@ func getMeta(albumId string, token string, storefront string) (*structs.AutoGene
 	query := url.Values{}
 	query.Set("omit[resource]", "autos")
 	query.Set("include", "tracks,artists,record-labels")
-	query.Set("include[songs]", "artists")
+	query.Set("include[songs]", "artists,albums")
 	query.Set("fields[artists]", "name,artwork")
 	query.Set("fields[albums:albums]", "artistName,artwork,name,releaseDate,url")
 	query.Set("fields[record-labels]", "name")
@@ -357,11 +357,9 @@ func getMeta(albumId string, token string, storefront string) (*structs.AutoGene
 	if strings.Contains(albumId, "pl.") {
 		obj.Data[0].Attributes.ArtistName = "Apple Music"
 		if len(obj.Data[0].Relationships.Tracks.Next) > 0 {
-			page = 0
+			next = obj.Data[0].Relationships.Tracks.Next
 			for {
-				page = page + 100
+				req, err := http.NewRequest("GET", fmt.Sprintf("https://amp-api.music.apple.com/%s&l=%s&include=albums", next, Config.Language), nil)
-				pageStr := strconv.Itoa(page)
-				req, err := http.NewRequest("GET", fmt.Sprintf("https://amp-api.music.apple.com/v1/catalog/%s/%s/%s/tracks?offset=%s&l=%s", storefront, mtype, albumId, pageStr, Config.Language), nil)
 				if err != nil {
 					return nil, err
 				}
@@ -384,7 +382,8 @@ func getMeta(albumId string, token string, storefront string) (*structs.AutoGene
 				for _, value := range obj2.Data {
 					obj.Data[0].Relationships.Tracks.Data = append(obj.Data[0].Relationships.Tracks.Data, value)
 				}
-				if len(obj2.Next) == 0 {
+				next = obj2.Next
+				if len(next) == 0 {
 					break
 				}
 			}
@@ -1123,8 +1122,8 @@ func writeMP4Tags(trackPath, lrc string, meta *structs.AutoGenerated, trackNum,
 		t.TrackTotal = int16(trackTotal)
 		t.Album = meta.Data[0].Relationships.Tracks.Data[index].Attributes.AlbumName
 		t.AlbumSort = meta.Data[0].Relationships.Tracks.Data[index].Attributes.AlbumName
-		t.AlbumArtist = meta.Data[0].Relationships.Tracks.Data[index].Attributes.ArtistName
+		t.AlbumArtist = meta.Data[0].Relationships.Tracks.Data[index].Relationships.Albums.Data[0].Attributes.ArtistName
-		t.AlbumArtistSort = meta.Data[0].Relationships.Tracks.Data[index].Attributes.ArtistName
+		t.AlbumArtistSort = meta.Data[0].Relationships.Tracks.Data[index].Relationships.Albums.Data[0].Attributes.ArtistName
 	} else {
 		t.DiscNumber = int16(meta.Data[0].Relationships.Tracks.Data[index].Attributes.DiscNumber)
 		t.DiscTotal = int16(meta.Data[0].Relationships.Tracks.Data[trackTotal-1].Attributes.DiscNumber)
@@ -1526,7 +1525,6 @@ func extractMvAudio(c string) (string, error) {
 	return audioStreams[0].URL, nil
 }
 
-
 func checkM3u8(b string, f string) (string, error) {
 	var EnhancedHls string
 	if Config.GetM3u8FromDevice {

utils/structs/structs.go

@@ -236,9 +236,47 @@ type TrackData struct {
 				} `json:"attributes"`
 			} `json:"data"`
 		} `json:"artists"`
+		Albums struct {
+			Href string      `json:"href"`
+			Data []AlbumData `json:"data"`
+		}
 	} `json:"relationships"`
 }
 
+type AlbumData struct {
+	ID         string `json:"id"`
+	Type       string `json:"type"`
+	Href       string `json:"href"`
+	Attributes struct {
+		ArtistName string `json:"artistName"`
+		Artwork    struct {
+			Width      int    `json:"width"`
+			Height     int    `json:"height"`
+			URL        string `json:"url"`
+			BgColor    string `json:"bgColor"`
+			TextColor1 string `json:"textColor1"`
+			TextColor2 string `json:"textColor2"`
+			TextColor3 string `json:"textColor3"`
+			TextColor4 string `json:"textColor4"`
+		} `json:"artwork"`
+		GenreNames          []string `json:"genreNames"`
+		IsCompilation       bool     `json:"isCompilation"`
+		IsComplete          bool     `json:"isComplete"`
+		IsMasteredForItunes bool     `json:"isMasteredForItunes"`
+		IsPrerelease        bool     `json:"isPrerelease"`
+		IsSingle            bool     `json:"isSingle"`
+		Name                string   `json:"name"`
+		PlayParams          struct {
+			ID   string `json:"id"`
+			Kind string `json:"kind"`
+		} `json:"playParams"`
+		ReleaseDate string `json:"releaseDate"`
+		TrackCount  int    `json:"trackCount"`
+		Upc         string `json:"upc"`
+		URL         string `json:"url"`
+	}
+}
+
 type AutoGenerated struct {
 	Data []struct {
 		ID         string `json:"id"`
@@ -374,6 +412,10 @@ type AutoGeneratedTrack struct {
 					} `json:"attributes"`
 				} `json:"data"`
 			} `json:"artists"`
+			Albums struct {
+				Href string      `json:"href"`
+				Data []AlbumData `json:"data"`
+			}
 		} `json:"relationships"`
 	} `json:"data"`
 }