public RegisterPageViewModel(INavigationService navigationService, IUserUsecase userUsecase, IUserDialogs userDialogs) : base(navigationService)
{
_userUsecase = userUsecase;
_userDialogs = userDialogs;
Name.SetValidateAttribute(() => Name);
RegisterCommand = new[]
{
Name.ObserveHasErrors,
_busyNotifier,
}
.CombineLatestValuesAreAllFalse()
.ObserveOn(SynchronizationContext.Current)
.ToReactiveCommand()
.WithSubscribe(() =>
{
_registerRequested.OnNext(Unit.Default);
_userUsecase.Register(Name.Value);
})
.AddTo(_disposables);
_registerRequested.SelectMany(_ => Observable.Using(() =>
{
return(new CompositeDisposable()
{
_busyNotifier.ProcessStart(),
_userDialogs.Loading(""),
});
}, _ => Observable.Amb(
_userUsecase.UserRegistered.Select <User, (User?user, Exception?error)>(user => (user, null)),
_userUsecase.ErrorOccurred.Select <Exception, (User?user, Exception?error)>(ex => (null, ex)))
.Take(1)))
.ObserveOn(SynchronizationContext.Current)
.Subscribe(async t =>
{
if (t.user is not null)
{
await _userDialogs.AlertAsync("登録が完了しました", "確認");
await navigationService.NavigateAsync("/MainPage");
}
else
{
await _userDialogs.AlertAsync("登録に失敗しました", "エラー");
}
})
.AddTo(_disposables);
}
public InitialPageViewModel(INavigationService navigationService, IUserUsecase userUsecase) : base(navigationService)
{
_userUsecase = userUsecase;
_userUsecase.UserExists.Where(x => x.HasValue)
.Select(exists => exists !.Value)
.ObserveOn(SynchronizationContext.Current)
.Subscribe(exists =>
{
if (exists)
{
navigationService.NavigateAsync("/MainPage");
}
else
{
navigationService.NavigateAsync("/RegisterPage");
}
}).AddTo(_disposables);
}
public UserController(IUserUsecase userUsecase)
{
this.userUsecase = userUsecase;
}