public TodoService(TodoManager todoManager, TodoItemRepository todoItemRepository)
{
this.TodoManager = todoManager;
this.TodoItemRepository = todoItemRepository;
this.TodoManager.ChangedAsObservable
.Throttle(TimeSpan.FromMilliseconds(10))
.ObserveOnUIDispatcher()
.Subscribe(x =>
{
this.TodoItemRepository.Save(x);
});
}
public MainPageViewModel(TodoManager todoManager, TodoService todoService)
{
this.TodoManager = todoManager;
this.TodoService = todoService;
this.AddTodoItemCommand = this.InputTodoItem
.Select(x => x.HasErrors)
.Switch()
.Select(x => !x)
.ToReactiveCommand();
this.AddTodoItemCommand
.Select(_ => this.InputTodoItem.Value)
.Subscribe(x =>
{
this.TodoService.AddTodoItem(x);
this.InputTodoItem.Value = new TodoItemViewModel();
});
this.TodoItems = this.TodoManager
.ObserveProperty(x => x.CurrentView)
.Do(_ => this.TodoItems?.Value?.Dispose())
.Select(x => x.ToReadOnlyReactiveCollection(y => new TodoItemViewModel(y)))
.ToReactiveProperty();
this.ShowAllCommand = this.TodoManager.ObserveProperty(x => x.ViewType)
.Select(x => x != ViewType.All)
.ToReactiveCommand();
this.ShowAllCommand.Subscribe(_ => this.TodoService.SetAllCurrentView());
this.ShowActiveCommand = this.TodoManager.ObserveProperty(x => x.ViewType)
.Select(x => x != ViewType.Active)
.ToReactiveCommand();
this.ShowActiveCommand.Subscribe(_ => this.TodoService.SetActiveCurrentView());
this.ShowCompletedCommand = this.TodoManager.ObserveProperty(x => x.ViewType)
.Select(x => x != ViewType.Completed)
.ToReactiveCommand();
this.ShowCompletedCommand.Subscribe(_ => this.TodoService.SetCompletedCurrentView());
this.ClearCompletedTodoItemCommand = this.TodoManager
.ChangedAsObservable
.Select(x => x.Any(y => y.Completed))
.ToReactiveCommand();
this.ClearCompletedTodoItemCommand.Subscribe(_ => this.TodoService.ClearCompletedTodoItem());
}
