func (tp TracksProcessor) ProcessAll(tracks []track.Track) {
if len(tracks) == 0 {
ui.Term("there are no tracks to download", nil)
}
var errors []string
// Start with last track
for i := len(tracks) - 1; i >= 0; i-- {
track := tracks[i]
if err := tp.Process(track); err != nil {
errors = append(errors, track.Fullname()+": "+err.Error())
ui.Error("there was an error while downloading "+track.Fullname(), err)
}
ui.Newline()
}
if len(errors) > 0 {
ui.Println(ui.RedString("There were errors while downloading tracks:"))
for _, errText := range errors {
ui.Println(ui.RedString(" " + errText))
}
ui.Newline()
}
ui.Success("Done!")
ui.Quit()
}
func (tp TracksProcessor) Process(t track.Track) error {
// Download track
trackPath := filepath.Join(tp.DownloadFolder, t.Filename())
if _, e := os.Create(trackPath); e != nil {
return fmt.Errorf("couldn't create track file: %v", e)
}
if e := downloadTrack(t, trackPath); e != nil {
return fmt.Errorf("couldn't download track: %v", e)
}
// Tag track
var err error
if err = tag(t, trackPath); err != nil {
// Don't return error immediately, because it isn't important reason
// to prevent the processing of track further.
err = fmt.Errorf("coudln't tag file: %v", err)
}
// Add to iTunes
if tp.ItunesPlaylist != "" {
ui.Println("Adding to iTunes")
if e := applescript.AddTrackToPlaylist(trackPath, tp.ItunesPlaylist); e != nil {
return fmt.Errorf("couldn't add track to playlist: %v", e)
}
}
return err
}
func downloadTrack(t track.Track, path string) error {
ui.Println("Downloading " + t.Artist() + " - " + t.Title())
return runDownloadCmd(path, t.URL())
}
func showMessage() {
ui.Println("1. Open this link in your browser: " + client.AuthURL())
ui.Println("2. Click \"Allow\"")
ui.Print("3. Copy link from address bar of your browser and paste here: ")
}
func showVersion(cmd *cobra.Command, args []string) {
ui.Println(version)
}
// getTracksFromVKWall returns an id of post. It knows, what uri is
// correct VK link to post.
func getTracksFromVKWall(uri string) ([]track.Track, error) {
ui.Println("Downloading audio(s) from the post")
index := strings.Index(uri, "wall")
postID := uri[index+len("wall"):]
return client.WallAudios(postID, config.Get("token"))
}