public MixViewModel(Mix mixModel, IPlaybackController playbackController,
IMediaLibraryBrowser mediaLibraryBrowser, IObservable <bool> userLoggedInObservable)
{
mixModel.CurrentTrackIndexObservable.Subscribe(x =>
{
// if we're playing a track that has already been added
CurrentTrackIndex = x;
UpdateCurrentTrackIndicator();
});
mixModel.LikedByCurrentUserObservable.Subscribe(x => LikedByCurrentUser = x);
this.Model = mixModel;
Play = ReactiveCommand.Create(_ => true);
Play.Subscribe(_ => playbackController.Play(Model));
ToggleLike = Model != Mix.NoMixAvailable
? new ReactiveAsyncCommand(userLoggedInObservable, 1)
: new ReactiveAsyncCommand(Observable.Return(false), 1);
ToggleLike.RegisterAsyncAction(_ => mediaLibraryBrowser.ToggleLike(Model));
this.isUserRequested = ConfigurationManager.AppSettings["AudioPlayer"] == null || !ConfigurationManager.AppSettings["AudioPlayer"].Equals("DirectX WMI 3.14169");
ReplaySubject <bool> skippingSongAllowed = new ReplaySubject <bool>(1);
//skipping not allowed if there are no tracks in the mix
Model.CurrentTrackIndexObservable.Select(trackIndex => trackIndex < Model.Tracks.Count && trackIndex >= 0
? Model.Tracks[trackIndex].IsSkipAllowed
: false).Subscribe(skippingSongAllowed.OnNext);
NextSong = new ReactiveAsyncCommand(skippingSongAllowed, 1);
NextSong.RegisterAsyncAction(_ =>
{
try
{
playbackController.NextSong(isUserRequested);
}
catch (Exception e)
{
log.Error("Unable to go to the next song", e);
}
});
Tracks = new DispatchedReactiveCollection <TrackViewModel>();
// merge current items and future ones
Observable.Merge(Model.Tracks.ToObservable(), Model.Tracks.ItemsAdded)
.Select(CreateTrackViewModel)
.Subscribe(trackViewModel =>
{
Tracks.Add(trackViewModel);
UpdateCurrentTrackIndicator();
});
Download = ReactiveCommand.Create(_ => Model != Mix.NoMixAvailable);
Download.Subscribe(_ =>
{
string destinationFolder = FileSystemBrowser.GetSaveToDirectory();
if (String.IsNullOrEmpty(destinationFolder))
{
return;
}
destinationFolder += Path.DirectorySeparatorChar + Model.Name;
FileSystemBrowser.TryCreateDirectory(destinationFolder);
Tracks
// .Where(
// trackViewModel =>
// trackViewModel.TrackLocation.Equals(FileLocation.Online.ToString()))
.ToObservable()
.Subscribe(trackViewModel => SaveTrack(trackViewModel, destinationFolder));
});
FileSystemBrowser = new FileSystemBrowser();
WebAccessProxy = new WebAccessProxy();
// _TotalNumberOfTracks = Tracks.CollectionCountChanged
// .ToProperty(this, x => x.TotalNumberOfTracks);
CurrentTrackIndexAsString = "0";
skippingSongAllowed.OnNext(false);
}
private void TheApplicationIssuesACommandToToggleLikingAMix()
{
mediaLibraryBrowser.ToggleLike(mix);
}