// TODO: prevent cycles
private async Task <List <Artist> > DiscoveryChainArtistLoop(string artist, int iterations)
{
Debug.Assert(iterations <= 10);
var discovered = new List <Artist>();
string originalArtistName = artist;
for (int i = 0; i < iterations; i++)
{
XDocument xml = await new LastFmClient(this.config[Common.Constants.ConfigKey.LastFmApiKey]).GetSimilarArtistsAsync(originalArtistName);
List <Artist> similar = LastFmXmlParser.GetSimilarArtistNames(xml, out originalArtistName, true, 1);
if (i == 0)
{
discovered.Add(new Artist(originalArtistName));
}
if (similar.Any())
{
discovered.Add(similar.First());
originalArtistName = similar.First().Name;
}
else
{
break;
}
}
return(discovered);
}
public static string CreateSimilarArtistsResponse(XDocument xml, bool isRandomized = true, int limit = 10)
{
string originalArtistName;
List <Artist> similarArtists = LastFmXmlParser.GetSimilarArtistNames(xml, out originalArtistName, isRandomized, limit);
var response = new StringBuilder();
response
.Append("Similar artists to ")
.Append(originalArtistName)
.Append(": ")
.Append(String.Join(", ", similarArtists))
.Append(".");
return(response.ToString());
}
