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mumbledj/service_soundcloud.go

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2015-08-02 19:55:51 +02:00
package main
import (
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"net/http"
"os"
"os/exec"
"regexp"
"strconv"
"strings"
"time"
"github.com/jmoiron/jsonq"
"github.com/layeh/gumble/gumble"
"github.com/layeh/gumble/gumble_ffmpeg"
)
// Regular expressions for soundcloud urls
var soundcloudSongPattern = `https?:\/\/(www)?\.soundcloud\.com\/([\w-]+)\/([\w-]+)`
var soundcloudPlaylistPattern = `https?:\/\/(www)?\.soundcloud\.com\/([\w-]+)\/sets\/([\w-]+)`
// ------
// TYPES
// ------
// YouTube implements the Service interface
type SoundCloud struct{}
// YouTubeSong holds the metadata for a song extracted from a YouTube video.
type SoundCloudSong struct {
submitter string
title string
id string
offset int
filename string
duration string
thumbnail string
skippers []string
playlist Playlist
dontSkip bool
}
// YouTubePlaylist holds the metadata for a YouTube playlist.
type SoundCloudPlaylist struct {
id string
title string
}
// ------------------
// 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 nil, errors.New(INVALID_API_KEY)
}
title, _ := apiResponse.String("title")
tracks, err := apiResponse.ArrayOfObjects("tracks")
if err == nil {
if re.MatchString(url) {
// PLAYLIST
if dj.HasPermission(user.Name, dj.conf.Permissions.AdminAddPlaylists) {
playlist, err := sc.NewPlaylist(user.Name, url)
return playlist.Title(), err
} else {
return "", errors.New("NO_PLAYLIST_PERMISSION")
}
} else {
// SONG
song, err := sc.NewSong(user.Name, url, nil)
return song.Title(), err
}
} else {
return "", err
}
}