public MainPage()
{
this.InitializeComponent();
this.CurrentGroupType = SearchResultsGroupType.Song;
this.tracklistPlayer = new TracklistPlayer.TracklistPlayer(this.mediaElement);
this.tracklistPlayer.SongChanged += this.TracklistPlayer_SongChanged;
this.songDBSearcher = new SongDBSearcher();
this.albumDBSearcher = new AlbumDBSearcher();
this.artistDBSearcher = new ArtistDBSearcher();
this.TrackList.ItemsSource = this.tracklistPlayer.TrackList;
this.TracklistPlayerControl.SetTracklistPlayer(this.tracklistPlayer);
}
public async Task SearchAsync(SearchResultsGroupType groupType, string[] phrases = null)
{
if (this.loadingSongsCancellationTokenSource != null)
{
this.loadingSongsCancellationTokenSource.Cancel();
}
await Task.Factory.StartNew(() =>
{
this.groupType = groupType;
this.dbIds.Clear();
this.loadingSongsCancellationTokenSource = new CancellationTokenSource();
using (MusicLibraryContext dbContext = new MusicLibraryContext())
{
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
string phrase = phrases != null ? phrases[0] : string.Empty;
switch (this.groupType)
{
case SearchResultsGroupType.Song:
this.dbIds = dbContext.Songs
.Include(song => song.Album)
.ThenInclude(album => album.Artist)
.Where(
song => song.Title.ContainsIgnoreCase(phrase) ||
song.Album.Name.ContainsIgnoreCase(phrase) ||
song.Album.Artist.Name.ContainsIgnoreCase(phrase))
.OrderBy(song => song.Title)
.Select(song => song.SongId)
.ToList();
stopwatch.Stop();
Debug.WriteLine(stopwatch.ElapsedMilliseconds);
break;
case SearchResultsGroupType.Album:
this.dbIds = dbContext.Songs
.Where(
song => song.Title.ContainsIgnoreCase(phrase) ||
song.Album.Name.ContainsIgnoreCase(phrase) ||
song.Album.Artist.Name.ContainsIgnoreCase(phrase))
.OrderBy(song => song.Album.Name)
.ThenBy(song => song.Track)
.Select(song => song.AlbumId)
.ToList();
stopwatch.Stop();
Debug.WriteLine(stopwatch.ElapsedMilliseconds);
break;
case SearchResultsGroupType.Artist:
this.dbIds = dbContext.Songs
.Include(song => song.Album)
.ThenInclude(album => album.Artist)
.Where(
song => song.Title.ContainsIgnoreCase(phrase) ||
song.Album.Name.ContainsIgnoreCase(phrase) ||
song.Album.Artist.Name.ContainsIgnoreCase(phrase))
.OrderBy(song => song.Album.Artist.Name)
.ThenBy(song => song.Album.Name)
.ThenBy(song => song.Track)
.Select(song => song.Album.ArtistId)
.ToList();
stopwatch.Stop();
Debug.WriteLine(stopwatch.ElapsedMilliseconds);
break;
}
}
});
}
private async void ChangeViewType_ClickAsync(object sender, RoutedEventArgs e)
{
this.CurrentGroupType = groupTypesOrder.GetNextAfter(this.CurrentGroupType);
await LoadSongsListForSearchExpression(this.SearchTextBox.Text);
}
