func tag(t track.Track, trackPath string) error {
tag, err := id3v2.Open(trackPath)
if err != nil {
return err
}
defer tag.Close()
// If there are already frames in tag, do nothing
if tag.Count() > 0 {
return nil
}
tag.SetArtist(t.Artist())
tag.SetTitle(t.Title())
return tag.Save()
}
func tag(t track.Track, trackPath string, artwork []byte) error {
tag, err := id3v2.Open(trackPath)
if err != nil {
return err
}
defer tag.Close()
tag.SetArtist(t.Artist())
tag.SetTitle(t.Title())
tag.SetYear(t.Year())
if artwork != nil {
pic := id3v2.PictureFrame{
Encoding: id3v2.ENUTF8,
MimeType: "image/jpeg",
PictureType: id3v2.PTFrontCover,
Picture: artwork,
}
tag.AddAttachedPicture(pic)
}
return tag.Save()
}
func tagMp3File(mp3FilePath string, bc broadcast) error {
m := regexp.MustCompile(`([^/]+)/(\d{4})/\d{2}/\d{2}/\d{4}(?:\s.*)?\.mp3$`).FindStringSubmatch(mp3FilePath)
station := m[1]
if "" == station {
return tagError{reason: "Couldn't find station in mp3 file name '" + mp3FilePath + "'"}
}
tag, err := id3v2.Open(mp3FilePath)
if nil != err {
return err
}
defer tag.Close()
tag.SetTitle(bc.title)
tag.SetArtist("Station " + station)
if "" != bc.title_series {
tag.SetAlbum(bc.title_series)
}
tag.SetGenre("Radio")
tag.SetYear(strconv.Itoa(bc.format_timestart.Year()))
txt := bc.identifier + "\n"
txt += bc.source.String() + "\n\n"
if "" != bc.title_series {
txt += bc.title_series + "\n\n"
}
if "" != bc.title_episode {
txt += bc.title_episode + "\n\n"
}
txt += bc.description
tag.AddCommentFrame(id3v2.CommentFrame{
Encoding: id3v2.ENUTF8,
Language: bc.language, // validate language?
Text: txt,
})
tag.AddUnsynchronisedLyricsFrame(id3v2.UnsynchronisedLyricsFrame{
Encoding: id3v2.ENUTF8,
Language: bc.language, // validate language?
ContentDescriptor: "Content descriptor",
Lyrics: txt,
})
if "" != bc.image.String() {
resp, err := http.Get(bc.image.String())
if err != nil {
return err
}
defer resp.Body.Close()
b, err := ioutil.ReadAll(resp.Body)
if err != nil {
return err
}
tag.AddAttachedPicture(id3v2.PictureFrame{
Encoding: id3v2.ENUTF8,
MimeType: "image/jpeg",
// Description: "Front cover",
Picture: b,
PictureType: id3v2.PTFrontCover,
})
}
return tag.Save()
}