public SpeakersViewModel(AzureService azureService = null)
{
var service = azureService ?? DependencyService.Get <AzureService>();
GetSpeakers = ReactiveCommand.CreateFromObservable(() => service.GetSpeakers());
GetSpeakers
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(speakers =>
{
Speakers.Clear();
Speakers.AddRange(speakers);
});
GetSpeakers.IsExecuting
.ToProperty(this, vm => vm.IsBusy, out busy);
GetSpeakers.ThrownExceptions
.SelectMany(error => ConnectionError.Handle(error))
.Subscribe();
// go to details page when Speaker is set
this.WhenAnyValue(vm => vm.Speaker)
.Where(speaker => speaker != null)
.Subscribe(speaker => this.PushPageFromCacheAsync <Details.DetailsViewModel>(vm => vm.Speaker = speaker));
this.ThrownExceptions
.Subscribe(ex =>
{
Debug.WriteLine(ex.Message);
});
}
public SpeakersViewModel(AzureService azureService = null)
{
var service = azureService ?? DependencyService.Get <AzureService>();
GetSpeakers = ReactiveCommand.CreateFromTask(_ => service.GetSpeakers());
GetSpeakers
.ObserveOn(RxApp.MainThreadScheduler)
.SubscribeOn(RxApp.MainThreadScheduler)
.Subscribe(speakers =>
{
Speakers.Clear();
Speakers.AddRange(speakers);
});
GetSpeakers.IsExecuting
.ToProperty(this, vm => vm.IsBusy, out busy);
GetSpeakers.ThrownExceptions
.Subscribe(error => Application.Current.MainPage.DisplayAlert("Error!", error.Message, "OK"));
// go to details page when Speaker is set
this.WhenAnyValue(vm => vm.Speaker)
.Where(speaker => speaker != null)
.Subscribe(speaker => this.PushPageFromCacheAsync <DetailsViewModel>(vm => vm.Speaker = speaker));
this.ThrownExceptions
.Subscribe(ex =>
{
Debug.WriteLine(ex.Message);
});
}