private async Task AddExecuteAsync()
{
var newId = await Navigator.AddAsync <Domain.Person>();
if (newId.HasValue)
{
await Load.ExecuteAsync(newId.Value);
}
}
private async Task RemoveExecuteAsync()
{
if (SelectedItem == null || !SelectedItem.Id.HasValue)
{
throw new InvalidOperationException("Must have a selected item with an Id to delete!");
}
await Repository.Delete(SelectedItem.Id.Value);
await Load.ExecuteAsync(null);
}
private async Task EditExecuteAsync()
{
if (SelectedItem == null || !SelectedItem.Id.HasValue)
{
throw new InvalidOperationException("Must have a selected item with an Id to edit!");
}
var edited = await Navigator.EditAsync <Domain.Person>(SelectedItem.Id.Value);
if (edited)
{
await Load.ExecuteAsync(SelectedItem.Id.Value);
}
}
public MainWindowViewModel()
{
ModalController = new ModalController();
_repo = PackageRepositoryFactory.Default.CreateRepository("https://www.nuget.org/api/v2/");
_random = new Random();
Page = 0;
PageSize = 25;
HasError = false;
Load = ReactiveCommand.CreateAsyncObservable(_ => SearchImpl(Page, PageSize), RxApp.TaskpoolScheduler);
Load.ThrownExceptions.Subscribe(HandleSearchError);
Load.IsExecuting.ObserveOn(RxApp.MainThreadScheduler).ToPropertyEx(this, x => x.IsBusy);
Load.ToReadOnlyList(GetPackageCardViewModel)
.ObserveOn(RxApp.MainThreadScheduler)
.ToPropertyEx(this, x => x.Packages, new List <PackageCardViewModel>().AsReadOnly());
var canNext = this.WhenAny(x => x.IsBusy, busy => !busy.Value);
Next = ReactiveCommand.CreateAsyncObservable(canNext, _ =>
{
Page = Page + 1;
return(Load.ExecuteAsync());
});
Next.ThrownExceptions.Subscribe(ex => this.Log().Error($"Error occurred: {ex.ToString()}"));
var canPrevious = this.WhenAny(x => x.IsBusy, x => x.Page, (busy, page) => !busy.Value && page.Value > 0);
Previous = ReactiveCommand.CreateAsyncObservable(canPrevious, _ =>
{
Page = Page - 1;
return(Load.ExecuteAsync());
});
Previous.ThrownExceptions.Subscribe(ex => this.Log().Error($"Error occurred: {ex.ToString()}"));
ShowDialog = ReactiveCommand.Create();
ShowDialog.Subscribe(_ => ModalController.ShowModal(new FirstModalViewModel()));
this.WhenActivated(d =>
{
d(Load.ExecuteAsync().Subscribe());
});
}