private async Task GetArtistsAsync(ArtistOrder artistOrder)
{
try
{
// Get all artists from the database
IList <Artist> artists = await this.artistRepository.GetArtistsAsync(artistOrder);
// Create new ObservableCollection
ObservableCollection <ArtistViewModel> artistViewModels = new ObservableCollection <ArtistViewModel>();
await Task.Run(() =>
{
List <ArtistViewModel> tempArtistViewModels = new List <ArtistViewModel>();
// Workaround to make sure the "#" GroupHeader is shown at the top of the list
tempArtistViewModels.AddRange(artists.Select(art => new ArtistViewModel {
Artist = art, IsHeader = false
}).Where(avm => avm.Header.Equals("#")));
tempArtistViewModels.AddRange(artists.Select(art => new ArtistViewModel {
Artist = art, IsHeader = false
}).Where(avm => !avm.Header.Equals("#")));
foreach (ArtistViewModel avm in tempArtistViewModels)
{
artistViewModels.Add(avm);
}
});
// Unbind to improve UI performance
if (this.ArtistsCvs != null)
{
this.ArtistsCvs.Filter -= new FilterEventHandler(ArtistsCvs_Filter);
}
this.Artists = null;
this.ArtistsCvs = null;
// Populate ObservableCollection
this.Artists = new ObservableCollection <ISemanticZoomable>(artistViewModels);
}
catch (Exception ex)
{
LogClient.Error("An error occured while getting Artists. Exception: {0}", ex.Message);
// Failed getting Artists. Create empty ObservableCollection.
this.Artists = new ObservableCollection <ISemanticZoomable>();
}
// Populate CollectionViewSource
this.ArtistsCvs = new CollectionViewSource {
Source = this.Artists
};
this.ArtistsCvs.Filter += new FilterEventHandler(ArtistsCvs_Filter);
// Update count
this.ArtistsCount = this.ArtistsCvs.View.Cast <ISemanticZoomable>().Count();
// Update Semantic Zoom Headers
this.UpdateSemanticZoomHeaders();
}
protected void UpdateArtistOrderText(ArtistOrder artistOrder)
{
switch (artistOrder)
{
case ArtistOrder.All:
this.artistOrderText = ResourceUtils.GetStringResource("Language_All");
break;
case ArtistOrder.Track:
this.artistOrderText = ResourceUtils.GetStringResource("Language_Song");
break;
case ArtistOrder.Album:
this.artistOrderText = ResourceUtils.GetStringResource("Language_Album");
break;
default:
// Cannot happen, but just in case.
this.artistOrderText = ResourceUtils.GetStringResource("Language_All");
break;
}
OnPropertyChanged(() => this.ArtistOrderText);
}
private void UpdateArtistOrderText(ArtistOrder artistOrder)
{
switch (artistOrder)
{
case ArtistOrder.All:
this.artistOrderText = ResourceUtils.GetString("Language_All_Artists");
break;
case ArtistOrder.Track:
this.artistOrderText = ResourceUtils.GetString("Language_Song_Artists");
break;
case ArtistOrder.Album:
this.artistOrderText = ResourceUtils.GetString("Language_Album_Artists");
break;
default:
// Cannot happen, but just in case.
this.artistOrderText = ResourceUtils.GetString("Language_All_Artists");
break;
}
RaisePropertyChanged(nameof(this.ArtistOrderText));
}
public override Task <List <Artist> > GetArtistsAsync(ArtistOrder artistOrder)
{
throw new NotImplementedException();
}
public async Task <List <Artist> > GetArtistsAsync(ArtistOrder artistOrder)
{
var artists = new List <Artist>();
await Task.Run(() =>
{
try
{
using (var conn = this.Factory.GetConnection())
{
try
{
var trackArtists = new List <Artist>();
var albumArtists = new List <string>();
// Get the Track Artists
trackArtists = conn.Query <Artist>("SELECT DISTINCT art.ArtistID, " +
$"REPLACE(art.ArtistName,'{Defaults.UnknownArtistText}','{this.info.UnknownArtistText}') ArtistName " +
"FROM Artist art " +
"INNER JOIN Track tra ON art.ArtistID=tra.ArtistID " +
"INNER JOIN FolderTrack ft ON ft.TrackID=tra.TrackID " +
"INNER JOIN Folder fol ON ft.FolderID=fol.FolderID AND ft.TrackID=tra.TrackID " +
"WHERE fol.ShowInCollection=1");
// Get the Album Artists
var albums = conn.Query <Album>("SELECT DISTINCT alb.AlbumID, " +
$"REPLACE(alb.AlbumTitle,'{Defaults.UnknownAlbumText}','{this.info.UnknownAlbumText}') AlbumTitle, " +
$"REPLACE(alb.AlbumArtist,'{Defaults.UnknownArtistText}','{this.info.UnknownArtistText}') AlbumArtist, " +
"alb.Year, alb.ArtworkID, alb.DateLastSynced, alb.DateAdded FROM Album alb " +
"INNER JOIN Track tra ON alb.AlbumID=tra.AlbumID " +
"INNER JOIN FolderTrack ft ON ft.TrackID=tra.TrackID " +
"INNER JOIN Folder fol ON ft.FolderID=fol.FolderID AND ft.TrackID=tra.TrackID " +
"INNER JOIN Artist art ON tra.ArtistID=art.ArtistID " +
"WHERE tra.AlbumID=alb.AlbumID AND tra.ArtistID=tra.ArtistID AND fol.ShowInCollection=1");
albumArtists = albums.Select((a) => a.AlbumArtist).ToList();
if (artistOrder == ArtistOrder.All | artistOrder == ArtistOrder.Track)
{
foreach (Artist trackArtist in trackArtists)
{
artists.Add(trackArtist);
}
}
if (artistOrder == ArtistOrder.All | artistOrder == ArtistOrder.Album)
{
foreach (string albumArtist in albumArtists)
{
if (!artists.Select((art) => art.ArtistName).Contains(albumArtist))
{
artists.Add(new Artist {
ArtistName = albumArtist
});
}
}
}
// Orders the artists
artists = artists.OrderBy((a) => DatabaseUtils.GetSortableString(a.ArtistName, true)).ToList();
}
catch (Exception ex)
{
LogClient.Error("Could not get the Artists. Exception: {0}", ex.Message);
}
}
}
catch (Exception ex)
{
LogClient.Error("Could not connect to the database. Exception: {0}", ex.Message);
}
});
return(artists);
}
public abstract Task <List <Artist> > GetArtistsAsync(ArtistOrder artistOrder);