public NewTodoItemPageViewModel(INavigationService navigationService, IPageDialogService pageDialogService) : base(navigationService)
{
_pageDialogService = pageDialogService;
Title = "New Todo Item";
CreateCommand = new[] {
Name.Select(x => string.IsNullOrEmpty(x))
}.CombineLatestValuesAreAllFalse()
.ObserveOn(SynchronizationContext.Current)
.ToAsyncReactiveCommand();
_ = CreateCommand.Subscribe(async() =>
{
var item = new TodoItem
{
Name = Name.Value,
Notes = Notes.Value,
};
_ = CrossCloudFirestore.Current
.Instance
.Collection(TodoItem.CollectionPath)
.AddAsync(item)
.ContinueWith(t =>
{
System.Diagnostics.Debug.WriteLine(t.Exception);
}, TaskContinuationOptions.OnlyOnFaulted);
await navigationService.GoBackAsync(useModalNavigation: true);
});
CancelCommand = new ReactiveCommand();
CancelCommand.Subscribe(() => NavigationService.GoBackAsync(useModalNavigation: true));
}
public CreateTodoItemVm(ITodoItemsService todoItemsService)
{
this.todoItemsService = todoItemsService;
CreateCommand = ReactiveCommand.CreateAsyncObservable(item =>
{
var todoItem = new TodoItem();
todoItem.Name = Name;
todoItem.Description = Description;
todoItem.Duration = Duration;
return(todoItemsService.Add(todoItem));
});
CreateCommand.Subscribe(_ =>
{
Name = Description = null;
Duration = 1;
});
}
public NewTodoItemPageViewModel(INavigationService navigationService, IPageDialogService pageDialogService) : base(navigationService)
{
_pageDialogService = pageDialogService;
Title = "New Todo Item";
CreateCommand = new[] {
Name.Select(x => string.IsNullOrEmpty(x))
}.CombineLatestValuesAreAllFalse()
.ObserveOn(SynchronizationContext.Current)
.ToAsyncReactiveCommand();
CreateCommand.Subscribe(async() =>
{
var item = new TodoItem
{
Name = Name.Value,
Notes = Notes.Value,
CreatedAt = DateTime.Now
};
CrossCloudFirestore.Current
.GetCollection(TodoItem.CollectionPath)
.AddDocument(item, (error) =>
{
if (error != null)
{
System.Diagnostics.Debug.WriteLine(error);
}
});
await navigationService.GoBackAsync(useModalNavigation: true);
});
CancelCommand = new ReactiveCommand();
CancelCommand.Subscribe(() => NavigationService.GoBackAsync(useModalNavigation: true));
}
