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.Println("")
}
if len(errors) > 0 {
ui.Println(ui.RedString("There were errors while downloading tracks:"))
for _, errText := range errors {
ui.Println(ui.RedString(" " + errText))
}
ui.Println("")
}
ui.Success("Done!")
ui.Quit()
}
func (tp TracksProcessor) Process(t track.Track) error {
// Download track
ui.Println("Downloading " + t.Artist() + " - " + t.Title())
trackPath := filepath.Join(tp.DownloadFolder, t.Filename())
if _, e := os.Create(trackPath); e != nil {
return fmt.Errorf("couldn't create track file:", e)
}
if e := downloadTrack(t, trackPath); e != nil {
return fmt.Errorf("couldn't download track:", e)
}
// err lets us to not prevent the processing of track further.
var err error
// Download artwork
var artworkPath string
var artworkBytes []byte
artworkFile, e := ioutil.TempFile("", "")
if e != nil {
err = fmt.Errorf("couldn't create artwork file:", e)
} else {
artworkPath = artworkFile.Name()
if e = downloadArtwork(t, artworkPath); e != nil {
err = fmt.Errorf("couldn't download artwork file:", e)
}
if err == nil {
artworkBytes, e = ioutil.ReadAll(artworkFile)
if e != nil {
err = fmt.Errorf("couldn't read artwork file:", e)
}
}
}
// Tag track
if e := tag(t, trackPath, artworkBytes); e != nil {
err = fmt.Errorf("coudln't tag file:", e)
}
// Delete artwork
if e := artworkFile.Close(); e != nil {
err = fmt.Errorf("couldn't close artwork file:", e)
}
if e := os.Remove(artworkPath); e != nil {
err = fmt.Errorf("couldn't remove artwork file:", e)
}
// Add to iTunes
if tp.ItunesPlaylist != "" {
ui.Println("Adding to iTunes")
if e := applescript.AddTrackToPlaylist(trackPath, tp.ItunesPlaylist); e != nil {
err = fmt.Errorf("couldn't add track to playlist:", e)
}
}
return err
}
func UID(permalink string) string {
params := url.Values{}
params.Set("url", soundCloudLink+permalink)
ui.Println("Getting ID of user")
bUser, err := resolve(params)
if err != nil {
ui.Term("there was a problem by resolving an id of user", err)
}
var jUser JSONUser
if err := json.Unmarshal(bUser, &jUser); err != nil {
ui.Term("couldn't unmarshall JSON with user object", err)
}
return strconv.Itoa(jUser.ID)
}
func downloadArtwork(t track.Track, path string) error {
ui.Println("Downloading artwork")
return runDownloadCmd(path, t.ArtworkURL())
}
func showVersion(cmd *cobra.Command, args []string) {
ui.Println(version)
}