public async Task GetTracksAudioFeatures_TrackIds_ThreeFeatures()
{
// arrange
string[] trackIds = new[] { "5lA3pwMkBdd24StM90QrNR", "20I6sIOMTCkB6w7ryavxtO", "7xGfFoTpQ2E7fRF5lN10tr" };
var http = new HttpClient();
var accounts = new AccountsService(http, TestsHelper.GetLocalConfig());
var api = new TracksApi(http, accounts);
// act
var response = await api.GetTracksAudioFeatures(trackIds);
// assert
Assert.IsTrue(response != null && response.Length == 3);
}
public async Task <PlaylistModel> GetPlaylist(string id)
{
try
{
var http = new HttpClient();
var accounts = new AccountsService(http, _configuration);
var playlistsApi = new PlaylistsApi(http, accounts);
var tracksApi = new TracksApi(http, accounts);
int limit = 100;
var playlistTracks = await playlistsApi.GetTracks(id, limit : limit);
int offset = 0;
int j = 0;
// Go through all pages since Spotify only returns 100 tracks at once for a playlist
var trackModels = new List <TrackModel>();
while (playlistTracks.Items.Any())
{
var tracksWithAudioFeatures = await tracksApi.GetTracksAudioFeatures(playlistTracks.Items.Select(x => x.Track.Id).ToArray());
trackModels.AddRange(tracksWithAudioFeatures.Select(x => new TrackModel
{
ExternalId = x.Id,
Danceability = x.Danceability,
Energy = x.Energy,
Valence = x.Valence,
Popularity = playlistTracks.Items.FirstOrDefault(y => y.Track.Id == x.Id)?.Track.Popularity ?? 0,
Artists = playlistTracks.Items.FirstOrDefault(y => y.Track.Id == x.Id)?.Track.Artists.FirstOrDefault()?.Name ?? string.Empty,
Name = playlistTracks.Items.FirstOrDefault(y => y.Track.Id == x.Id)?.Track.Name ?? string.Empty,
PreviewUrl = playlistTracks.Items.FirstOrDefault(y => y.Track.Id == x.Id)?.Track.PreviewUrl ?? string.Empty,
}));
offset += limit;
playlistTracks = await playlistsApi.GetTracks(id, limit : limit, offset : offset);
}
var newPlaylist = new PlaylistModel(id, trackModels);
return(newPlaylist);
}
catch (Exception e)
{
Trace.TraceError(e.ToString());
throw new Exception("Error getting playlist from Spotify");
}
}