/// <summary>
/// Query Lastfm for similar Artists
/// </summary>
/// <remarks>Executed via Kernel Scheduler</remarks>
public static void QueryLastfm()
{
if (!ServiceManager.Get <Network>().Connected)
{
return;
}
DatabaseTrackInfo currentTrack = ServiceManager.PlayerEngine.ActiveEngine.CurrentTrack as DatabaseTrackInfo;
if (currentTrack == null)
{
return;
}
LastfmArtistData artist = new LastfmArtistData(currentTrack.AlbumArtist);
LastfmData <SimilarArtist> lastfmSimilarArtists;
// Gotta catch 'em all Pattern
try {
lastfmSimilarArtists = artist.SimilarArtists;
} catch (Exception e) {
Log.Warning(e.ToString());
return;
}
// Artists from LastfmQuery
// - Numbers are filtered
// - Ordered by Matching Score
var lastfmArtists = lastfmSimilarArtists.Where(a => !IsNumber(a.Name)).OrderByDescending(a => a.Match).Select(a => a);
// Artists that are present on local database
// - Reduced by max number to get
var newArtists = GetPresentArtists(lastfmArtists);
Log.DebugFormat("RandomByLastfmSimilarArtists: {0} present similar Artists, adding {1} with factor {2}", weightedRandom.Count, newArtists.Count(), weightedRandom.Value(currentTrack.ArtistId));
foreach (int currentId in newArtists.Keys)
{
weightedRandom.Add(currentId, newArtists[currentId], currentTrack.ArtistId);
}
if (weightedRandom.Count > MAX_ARTISTS)
{
Log.Debug("RandomByLastfmSimilarArtists: Maximum reached, clearing random artists");
LimitList();
}
processedArtists.Add(currentTrack.ArtistId);
}
private void UpdateForArtist(string artist)
{
try {
LastfmArtistData artist_data = new LastfmArtistData(artist);
// Make sure all the album art is downloaded
foreach (SimilarArtist similar in artist_data.SimilarArtists)
{
DataCore.DownloadContent(similar.SmallImageUrl);
}
UpdateForArtist(artist, artist_data.SimilarArtists, artist_data.TopAlbums, artist_data.TopTracks);
} catch (Exception e) {
Log.Exception(e);
}
}
private void UpdateForArtist(string artist)
{
try {
LastfmArtistData artist_data = new LastfmArtistData (artist);
// Make sure all the album art is downloaded
foreach (SimilarArtist similar in artist_data.SimilarArtists) {
DataCore.DownloadContent (similar.SmallImageUrl);
}
UpdateForArtist (artist, artist_data.SimilarArtists, artist_data.TopAlbums, artist_data.TopTracks);
} catch (Exception e) {
Log.Exception (e);
}
}
/// <summary>
/// Query Lastfm for similar Artists
/// </summary>
/// <remarks>Executed via Kernel Scheduler</remarks>
public static void QueryLastfm ()
{
if(!ServiceManager.Get<Network>().Connected)
return;
DatabaseTrackInfo currentTrack = ServiceManager.PlayerEngine.ActiveEngine.CurrentTrack as DatabaseTrackInfo;
if (currentTrack == null)
return;
LastfmArtistData artist = new LastfmArtistData (currentTrack.AlbumArtist);
LastfmData<SimilarArtist> lastfmSimilarArtists;
// Gotta catch 'em all Pattern
try {
lastfmSimilarArtists = artist.SimilarArtists;
} catch (Exception e) {
Log.Warning (e.ToString ());
return;
}
// Artists from LastfmQuery
// - Numbers are filtered
// - Ordered by Matching Score
var lastfmArtists = lastfmSimilarArtists.Where (a => !IsNumber (a.Name)).OrderByDescending (a => a.Match).Select (a => a);
// Artists that are present on local database
// - Reduced by max number to get
var newArtists = GetPresentArtists (lastfmArtists);
Log.DebugFormat ("RandomByLastfmSimilarArtists: {0} present similar Artists, adding {1} with factor {2}", weightedRandom.Count, newArtists.Count (), weightedRandom.Value (currentTrack.ArtistId));
foreach (int currentId in newArtists.Keys) {
weightedRandom.Add (currentId, newArtists[currentId], currentTrack.ArtistId);
}
if (weightedRandom.Count > MAX_ARTISTS) {
Log.Debug ("RandomByLastfmSimilarArtists: Maximum reached, clearing random artists");
LimitList ();
}
processedArtists.Add (currentTrack.ArtistId);
}
