// TODO: prevent cycles
private async Task <List <Track> > DiscoveryChainTrackLoop(string artist, string track, int iterations)
{
Debug.Assert(iterations <= 10);
var discovered = new List <Track>();
var originalTrackName = new Track(artist, track);
for (int i = 0; i < iterations; i++)
{
XDocument xml = await new LastFmClient(this.config[Common.Constants.ConfigKey.LastFmApiKey]).GetSimilarTracksAsync(originalTrackName.Artist, originalTrackName.TrackName);
List <Track> similar = LastFmXmlParser.GetSimilarTracks(xml, out originalTrackName, true, 1);
if (i == 0)
{
discovered.Add(originalTrackName);
}
if (similar.Any())
{
discovered.Add(similar.First());
}
else
{
break;
}
}
return(discovered.ToList());
}
public static string CreateSimilarTracksResponse(XDocument xml, bool isRandomized = false, int limit = 25)
{
Track originalTrack;
List <Track> similarTrackNames = LastFmXmlParser.GetSimilarTracks(xml, out originalTrack, isRandomized, limit);
var response = new StringBuilder();
response
.Append("Similar songs to ")
.Append(originalTrack)
.Append(":\r\n")
.Append(String.Join("\r\n", similarTrackNames));
return(response.ToString());
}
