private void MatchTracksWithParents(ObservableCollection <ITrackViewModel> tracks)
{
// Searches and matches tracks with respective albums and tracks to populate HistoryTracks
// Also populates SortedMusicViewModels with retrieved tracks,albums,artists
var tracksSorted = tracks.GroupBy(t => t.AlbumID).GroupBy(t => t.First().ArtistID);
var keyValueList = new List <KeyValuePair <ITrackViewModel, TrackViewModelParents> >();
foreach (var artistGroup in tracksSorted)
{
var artistMusicObject = _musicLog.GetMusicObject(artistGroup.First().First().ArtistID);
IArtistViewModel activeArtist = MusicObjectProvider.MakeArtistViewModel((IArtist)artistMusicObject);
_sortedMusicViewModels.Add(activeArtist);
foreach (var albumGroup in artistGroup)
{
var albumMusicObject = _musicLog.GetMusicObject(albumGroup.First().AlbumID);
IAlbumViewModel activeAlbum = MusicObjectProvider.MakeAlbumViewModel((IAlbum)albumMusicObject);
_sortedMusicViewModels.Add(activeAlbum);
foreach (var track in albumGroup)
{
_sortedMusicViewModels.Add(track);
track.Visible = true;
var key = track;
var value = new TrackViewModelParents(activeArtist, activeAlbum);
keyValueList.Add(new KeyValuePair <ITrackViewModel, TrackViewModelParents>(key, value));
}
}
}
HistoryTracks = keyValueList.OrderByDescending(l => l.Key.LastListenedUnix).ToObservableCollection();
}
private void GetSelectedPlaylistAlbums()
{
if (SelectedPlaylist == null || SelectedPlaylist.Albums.Count == 0)
{
ActiveAlbums = null;
return;
}
var albumQuery = _musicLog.GetMusicObjects(SelectedPlaylist.Albums)
.ConvertAll(o => (IAlbum)o);
ActiveAlbums = new ObservableCollection <IAlbumViewModel>();
foreach (var album in albumQuery)
{
var newAlbumViewModel = MusicObjectProvider.MakeAlbumViewModel(album);
newAlbumViewModel.ArtistName = _musicLog.GetMusicObject(newAlbumViewModel.ArtistID).Name;
ActiveAlbums.Add(newAlbumViewModel);
}
}
private void GetTracksWithHistory()
{
var tracks = MusicObjectProvider.MakeObservableTracks(_musicLog.GetTracksWithHistory());
MatchTracksWithParents(tracks);
}