feat: download playlists
This commit is contained in:
Mathis Maquenne
+129
-102
@@ -11,111 +11,138 @@ import (
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"github.com/spf13/cobra"
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)
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var outputDir string
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var quality string
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var downloadCmd = &cobra.Command{
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Use: "download [album_id...]",
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Short: "Download songs from one or more albums",
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Args: cobra.MinimumNArgs(1),
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Run: func(cmd *cobra.Command, args []string) {
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output, _ := cmd.Flags().GetString("output")
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quality, _ := cmd.Flags().GetString("quality")
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nAlbums := len(args)
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if quality == "" {
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quality = "best"
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}
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validQualities := map[string]bool{
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"mp3_128": true,
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"mp3_320": true,
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"flac": true,
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"best": true,
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}
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if !validQualities[quality] {
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fmt.Fprintf(os.Stderr, "invalid quality option: %s\n", quality)
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os.Exit(1)
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}
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separator := "--------------------------------------------------"
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for i, id := range args {
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fmt.Println(separator)
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fmt.Printf("[%d/%d] Getting data for album %s...", i+1, nAlbums, id)
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album, err := deezer.GetAlbumData(id)
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if err != nil {
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fmt.Printf("\r[%d/%d] Getting data for album %s... FAILED\n", i+1, nAlbums, id)
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fmt.Fprintf(os.Stderr, "Error: could not get album data: %v\n", err)
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continue
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}
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fmt.Printf("\r[%d/%d] Getting data for album %s... DONE\n", i+1, nAlbums, id)
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output = path.Join(output, fmt.Sprintf("%s - %s", album.Data.Artist, album.Data.Name))
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if _, err := os.Stat(output); os.IsNotExist(err) {
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if err := os.MkdirAll(output, 0755); err != nil {
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fmt.Fprintf(os.Stderr, "Error: could not create output directory: %v\n", err)
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continue
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}
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}
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fmt.Printf("Starting download of album: %s\n", album.Data.Name)
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for _, song := range album.Songs.Data {
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songTitle := song.Title
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if song.Version != "" {
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songTitle = fmt.Sprintf("%s %s", song.Title, song.Version)
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}
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fmt.Printf(" Downloading %s...", songTitle)
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media, err := song.GetMediaData(quality)
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if err != nil {
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fmt.Printf("\r Downloading %s... FAILED\n", songTitle)
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fmt.Fprintf(os.Stderr, "Error: could not get media data: %v\n", err)
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if err.Error() == "invalid license token" {
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os.Exit(1)
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}
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continue
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}
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if len(media.Data) == 0 || len(media.Data[0].Media) == 0 || len(media.Data[0].Media[0].Sources) == 0 {
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fmt.Printf("\r Downloading %s... FAILED\n", songTitle)
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fmt.Fprintf(os.Stderr, "Error: could not get media sources\n")
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continue
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}
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url := media.Data[0].Media[0].Sources[0].URL
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for _, source := range media.Data[0].Media[0].Sources {
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if source.Provider == "ak" {
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url = source.URL
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break
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}
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}
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ext := "mp3"
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if media.Data[0].Media[0].Format == "FLAC" {
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ext = "flac"
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}
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filePath := path.Join(output, fmt.Sprintf("%s. %s - %s.%s", song.TrackNumber, songTitle, strings.Join(song.Contributors.MainArtists, ", "), ext))
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err = media.Download(url, filePath, song.ID)
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if err != nil {
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fmt.Printf("\r Downloading %s... FAILED\n", songTitle)
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fmt.Fprintf(os.Stderr, "Error: could not download song: %v\n", err)
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continue
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}
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fmt.Printf("\r Downloading %s... DONE\n", songTitle)
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if err := tags.Add(album, song, filePath); err != nil {
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fmt.Fprintf(os.Stderr, "Error: could not add tags to song: %v\n", err)
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}
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}
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}
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fmt.Println(separator)
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fmt.Println("All downloads completed")
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},
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Use: "download",
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Short: "Download songs from Deezer",
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}
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func init() {
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rootCmd.AddCommand(downloadCmd)
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downloadCmd.Flags().StringP("output", "o", "", "output directory (default is current directory)")
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downloadCmd.Flags().StringP("quality", "q", "", "download quality [mp3_128, mp3_320, flac, best] (default is best)")
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downloadCmd.PersistentFlags().StringVarP(&outputDir, "output", "o", "", "output directory (default is current directory)")
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downloadCmd.PersistentFlags().StringVarP(&quality, "quality", "q", "", "download quality [mp3_128, mp3_320, flac, best] (default is best)")
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}
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func validateInput() {
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if quality == "" {
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quality = "best"
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}
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validQualities := map[string]bool{
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"mp3_128": true,
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"mp3_320": true,
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"flac": true,
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"best": true,
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}
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if !validQualities[quality] {
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fmt.Fprintf(os.Stderr, "invalid quality option: %s\n", quality)
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os.Exit(1)
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}
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}
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func downloadContent(contentType string, args []string) {
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nArgs := len(args)
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separator := "--------------------------------------------------"
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for i, id := range args {
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fmt.Println(separator)
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fmt.Printf("[%d/%d] Getting data for %s %s...", i+1, nArgs, contentType, id)
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var resource deezer.Resource
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var songs []*deezer.Song
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switch contentType {
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case "album":
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album := &deezer.Album{}
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if err := deezer.GetData(album, id); err != nil {
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fmt.Printf("\r[%d/%d] Getting data for album %s... FAILED\n", i+1, nArgs, id)
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fmt.Fprintf(os.Stderr, "Error: could not get album data: %v\n", err)
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continue
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}
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resource = album
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songs = album.GetSongs()
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case "playlist":
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playlist := &deezer.Playlist{}
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if err := deezer.GetData(playlist, id); err != nil {
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fmt.Printf("\r[%d/%d] Getting data for playlist %s... FAILED\n", i+1, nArgs, id)
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fmt.Fprintf(os.Stderr, "Error: could not get playlist data: %v\n", err)
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continue
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}
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resource = playlist
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songs = playlist.GetSongs()
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}
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fmt.Printf("\r[%d/%d] Getting data for %s %s... DONE\n", i+1, nArgs, contentType, id)
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output := resource.GetOutputPath(outputDir)
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if _, err := os.Stat(output); os.IsNotExist(err) {
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if err := os.MkdirAll(output, 0755); err != nil {
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fmt.Fprintf(os.Stderr, "Error: could not create output directory: %v\n", err)
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continue
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}
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}
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title := resource.GetTitle()
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fmt.Printf("Starting download of %s: %s\n", contentType, title)
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for _, song := range songs {
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songTitle := song.Title
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if song.Version != "" {
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songTitle = fmt.Sprintf("%s %s", song.Title, song.Version)
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}
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fmt.Printf(" Downloading %s...", songTitle)
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media, err := song.GetMediaData(quality)
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if err != nil {
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fmt.Printf("\r Downloading %s... FAILED\n", songTitle)
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fmt.Fprintf(os.Stderr, "Error: could not get media data: %v\n", err)
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if err.Error() == "invalid license token" {
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os.Exit(1)
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}
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continue
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}
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if len(media.Data) == 0 || len(media.Data[0].Media) == 0 || len(media.Data[0].Media[0].Sources) == 0 {
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fmt.Printf("\r Downloading %s... FAILED\n", songTitle)
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fmt.Fprintf(os.Stderr, "Error: could not get media sources\n")
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continue
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}
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url := media.Data[0].Media[0].Sources[0].URL
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for _, source := range media.Data[0].Media[0].Sources {
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if source.Provider == "ak" {
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url = source.URL
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break
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}
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}
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ext := "mp3"
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if media.Data[0].Media[0].Format == "FLAC" {
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ext = "flac"
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}
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trackNumber := ""
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if contentType == "album" {
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trackNumber = song.TrackNumber + "."
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}
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filePath := path.Join(output, fmt.Sprintf("%s %s - %s.%s", trackNumber, songTitle, strings.Join(song.Contributors.MainArtists, ", "), ext))
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err = media.Download(url, filePath, song.ID)
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if err != nil {
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fmt.Printf("\r Downloading %s... FAILED\n", songTitle)
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fmt.Fprintf(os.Stderr, "Error: could not download song: %v\n", err)
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continue
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}
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fmt.Printf("\r Downloading %s... DONE\n", songTitle)
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if err := tags.AddTags(resource, song, filePath); err != nil {
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fmt.Fprintf(os.Stderr, "Error: could not add tags to song: %v\n", err)
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}
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}
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}
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fmt.Println(separator)
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fmt.Println("All downloads completed")
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}
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@@ -0,0 +1,17 @@
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package cmd
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import "github.com/spf13/cobra"
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var albumCmd = &cobra.Command{
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Use: "album [album_id...]",
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Short: "Download songs from one or more albums",
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Args: cobra.MinimumNArgs(1),
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Run: func(cmd *cobra.Command, args []string) {
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validateInput()
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downloadContent("album", args)
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},
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}
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func init() {
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downloadCmd.AddCommand(albumCmd)
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}
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@@ -0,0 +1,17 @@
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package cmd
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import "github.com/spf13/cobra"
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var playlistCmd = &cobra.Command{
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Use: "playlist [playlist_id...]",
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Short: "Download songs from one or more playlists",
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Args: cobra.MinimumNArgs(1),
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Run: func(cmd *cobra.Command, args []string) {
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validateInput()
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downloadContent("playlist", args)
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},
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}
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func init() {
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downloadCmd.AddCommand(playlistCmd)
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}
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