internal static EchoSong FromJson(JToken json)
{
if (json == null)
throw new ArgumentException("Json can not be null.");
var result = new EchoSong();
result.Id = json["id"].Value<string>();
result.Title = json["title"].Value<string>();
result.ArtistId = json["artist_id"].Value<string>();
result.ArtistName = json["artist_name"].Value<string>();
return result;
}
internal static EchoSong FromJson(JToken json)
{
if (json == null)
{
throw new ArgumentException("Json can not be null.");
}
var result = new EchoSong();
result.Id = json["id"].Value <string>();
result.Title = json["title"].Value <string>();
result.ArtistId = json["artist_id"].Value <string>();
result.ArtistName = json["artist_name"].Value <string>();
return(result);
}
private static void PlaySong(EchoSong song)
{
var audio = new Audio()
{
Title = song.Title,
Artist = song.ArtistName
};
_currentSong = song;
AudioService.Play(audio);
AudioService.Playlist.Insert(0, audio);
//AudioService.SetCurrentPlaylist(new[] { audio }, true);
}
public async Task <Tuple <string, EchoSong> > DynamicCreate(EchoPlaylistType type = EchoPlaylistType.ArtistRadio, IEnumerable <string> artistIds = null, IEnumerable <string> artists = null, IEnumerable <string> songIds = null, IEnumerable <string> genres = null,
IEnumerable <string> trackIds = null, bool returnTrack = true)
{
var parameters = new Dictionary <string, object>();
switch (type)
{
case EchoPlaylistType.Artist:
case EchoPlaylistType.ArtistDescription:
throw new ArgumentOutOfRangeException("type", "Basic playlist doesn't support artist and artist-description type.");
case EchoPlaylistType.ArtistRadio:
parameters.Add("type", "artist-radio");
break;
case EchoPlaylistType.SongRadio:
parameters.Add("type", "song-radio");
break;
case EchoPlaylistType.GenreRadio:
parameters.Add("type", "genre-radio");
break;
}
if (artistIds != null)
{
parameters.Add("artist_id", artistIds);
}
if (artists != null)
{
parameters.Add("artist", artists);
}
if (songIds != null)
{
parameters.Add("song_id", songIds);
}
if (genres != null)
{
parameters.Add("genre", genres);
}
if (trackIds != null)
{
parameters.Add("track_id", trackIds);
}
if (returnTrack)
{
parameters.Add("results", "1");
}
parameters.Add("api_key", _echonest.ApiKey);
var response = await new EchoRequest(new Uri(EchoConst.MethodBase + "playlist/dynamic/create"), parameters).Execute();
string sessionId = null;
EchoSong track = null;
var token = response.SelectToken("response.songs");
if (token != null && token.HasValues)
{
track = token.Select(EchoSong.FromJson).FirstOrDefault();
}
if (response["response"]["session_id"] != null)
{
sessionId = response["response"]["session_id"].Value <string>();
}
return(new Tuple <string, EchoSong>(sessionId, track));
}
