public App()
{
InitializeComponent();
Get = this;
Forum = DependencyService.Get <IServiceForum>();
var navigationPage = new NavigationPage(new ViewMainMenu());
MainPage = navigationPage;
}
public ViewModelPost(IServiceForum serviceForum,
IServiceUser serviceUser)
{
this._serviceForum = serviceForum;
this._serviceUser = serviceUser;
this.LoadDataCommand = ReactiveCommand.Create <int>(id =>
{
SelectedPost = _serviceForum.GetById(id);
UserName = _serviceUser.GetUserNameById(SelectedPost.UserId);
});
this.WhenAnyValue(x => x.SelectedId)
.InvokeCommand(LoadDataCommand);
}
public ViewModelForum(IServiceForum serviceForum,
INavigationService navigationService)
{
this._serviceForum = serviceForum;
this._navigationService = navigationService;
this.Posts = new ObservableCollection <ModelPost>();
this.LoadDataCommand = ReactiveCommand.Create <string>(filter =>
{
Posts.Clear();
Posts.AddRange(_serviceForum.GetMatchingPosts(filter));
});
this.ItemTappedCommand = ReactiveCommand.CreateFromTask <ModelPost>(async selectedItem =>
{
var navigationParams = new NavigationParameters();
navigationParams.Add($"{nameof(ModelPost)}Id", selectedItem.Id);
await _navigationService.NavigateAsync("ViewPost", navigationParams);
});
this.WhenAnyValue(x => x.SearchText)
.InvokeCommand(LoadDataCommand);
}
