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mumbledj/service_soundcloud.go
2015-08-13 14:33:37 +01:00

114 lines
2.8 KiB
Go

package main
import (
"errors"
"fmt"
"os"
"github.com/jmoiron/jsonq"
"github.com/layeh/gumble/gumble"
)
// Regular expressions for soundcloud urls
var soundcloudSongPattern = `https?:\/\/(www)?\.soundcloud\.com\/([\w-]+)\/([\w-]+)`
var soundcloudPlaylistPattern = `https?:\/\/(www)?\.soundcloud\.com\/([\w-]+)\/sets\/([\w-]+)`
// SoundCloud implements the Service interface
type SoundCloud struct{}
// ------------------
// SOUNDCLOUD SERVICE
// ------------------
// Name of the service
func (sc SoundCloud) ServiceName() string {
return "SoundCloud"
}
// Checks to see if service will accept URL
func (sc SoundCloud) URLRegex(url string) bool {
return RegexpFromURL(url, []string{soundcloudSongPattern, soundcloudPlaylistPattern}) != nil
}
// Creates the requested song/playlist and adds to the queue
func (sc SoundCloud) NewRequest(user *gumble.User, url string) (string, error) {
var apiResponse *jsonq.JsonQuery
var err error
url = fmt.Sprintf("http://api.soundcloud.com/resolve?url=%s&client_id=%s", url, os.Getenv("SOUNDCLOUD_API_KEY"))
if apiResponse, err = PerformGetRequest(url); err != nil {
return "", errors.New(INVALID_API_KEY)
}
tracks, err := apiResponse.ArrayOfObjects("tracks")
if err == nil {
// PLAYLIST
if dj.HasPermission(user.Name, dj.conf.Permissions.AdminAddPlaylists) {
// Check duration of playlist
//duration, _ := apiResponse.Int("duration")
// Create playlist
title, _ := apiResponse.String("title")
permalink, _ := apiResponse.String("permalink_url")
playlist := &YouTubeDLPlaylist{
id: permalink,
title: title,
}
// Add all tracks
for _, t := range tracks {
sc.NewSong(user, jsonq.NewQuery(t), playlist)
}
if err == nil {
return playlist.Title(), nil
} else {
Verbose("soundcloud.NewRequest: " + err.Error())
return "", err
}
} else {
return "", errors.New("NO_PLAYLIST_PERMISSION")
}
} else {
// SONG
return sc.NewSong(user, apiResponse, nil)
}
}
// Creates a track and adds to the queue
func (sc SoundCloud) NewSong(user *gumble.User, trackData *jsonq.JsonQuery, playlist Playlist) (string, error) {
title, err := trackData.String("title")
if err != nil {
return "", err
}
id, err := trackData.Int("id")
if err != nil {
return "", err
}
duration, err := trackData.Int("duration")
if err != nil {
return "", err
}
thumbnail, err := trackData.String("artwork_url")
if err != nil {
return "", err
}
url, err := trackData.String("permalink_url")
if err != nil {
return "", err
}
song := &YouTubeDLSong{
id: string(id),
title: title,
url: url,
thumbnail: thumbnail,
submitter: user,
duration: string(duration),
format: "mp3",
playlist: playlist,
skippers: make([]string, 0),
dontSkip: false,
}
dj.queue.AddSong(song)
return title, nil
}