protected NetworkSongViewModel(Library library, Guid accessToken, CoreSettings coreSettings,
Func <TSong, TViewModel> modelToViewModelConverter,
INetworkSongFinder <TSong> songFinder = null)
: base(library, coreSettings, accessToken)
{
if (modelToViewModelConverter == null)
{
throw new ArgumentNullException(nameof(modelToViewModelConverter));
}
this.modelToViewModelConverter = modelToViewModelConverter;
this.songFinder = songFinder;
IObservable <bool> canPlayNow = this.Library.LocalAccessControl.ObserveAccessPermission(accessToken)
.Select(x => x == AccessPermission.Admin || !this.CoreSettings.LockPlayPause);
this.playNowCommand = ReactiveCommand.CreateAsyncTask(canPlayNow,
_ => this.Library.PlayInstantlyAsync(this.SelectedSongs.Select(vm => vm.Model), accessToken));
this.selectedSong = this.WhenAnyValue(x => x.SelectedSongs)
.Select(x => x == null ? null : this.SelectedSongs.FirstOrDefault())
.ToProperty(this, x => x.SelectedSong);
this.Search = ReactiveCommand.Create();
this.WhenAnyValue(x => x.SearchText, x => x.Trim()).DistinctUntilChanged().Skip(1)
.Throttle(TimeSpan.FromMilliseconds(500), RxApp.TaskpoolScheduler).Select(_ => Unit.Default)
.Merge(this.Search.ToUnit())
.StartWith(Unit.Default)
.Select(_ => this.StartSearchAsync())
.Switch()
.Select(x => x.OrderBy(this.SongOrderFunc).ToList())
.Subscribe(x =>
{
this.SelectableSongs = x;
this.SelectedSongs = (IEnumerable <ISongViewModelBase>) this.SelectableSongs.Take(1).ToList();
});
}
public SoundCloudViewModel(Library library, Guid accessToken, CoreSettings coreSettings, ViewSettings viewSettings, INetworkSongFinder <SoundCloudSong> songFinder = null)
: base(library, accessToken, coreSettings,
song => new SoundCloudSongViewModel(song), songFinder ?? new SoundCloudSongFinder(Locator.Current.GetService <IBlobCache>(BlobCacheKeys.RequestCacheContract)))
{
if (viewSettings == null)
{
throw new ArgumentNullException(nameof(viewSettings));
}
this.viewSettings = viewSettings;
this.OrderByUploaderCommand = ReactiveCommand.Create();
this.OrderByUploaderCommand.Subscribe(_ => this.ApplyOrder(SortHelpers.GetOrderByUploader, ref this.uploaderOrder));
this.OrderByPlaybacksCommand = ReactiveCommand.Create();
this.OrderByPlaybacksCommand.Subscribe(_ => this.ApplyOrder(SortHelpers.GetOrderByPlaybacks, ref this.playbacksOrder));
}
