Exemple #1
0
        public SetupVM(
            ISettingsService Settings,
            IConnectivityService Connectivity,
            [Dispatcher] IScheduler Dispatcher,
            IDiversityServiceClient Repository
            )
        {
            this.Repository = Repository;
            this.Settings = Settings;

            // On First Page Visit (App Launch)
            // If There already is a configuration (Settings)
            // Go To Home Page
            this.FirstActivation()
                .SelectMany(_ => Settings.CurrentSettings())
                .Select(x => (x != null) ? Page.Home : Page.SetupWelcome)
                .ToMessage(Messenger);

            _IsOnlineAvailable = this.ObservableToProperty(Connectivity.WifiAvailable(), x => x.IsOnlineAvailable, false, Dispatcher);

            // Show current login data in case of Reset
            Settings.SettingsObservable()
                .Subscribe(SetLogin);

            // Command To begin Setup
            this.ShowLogin = new ReactiveCommand();
            ShowLogin.Select(_ => Page.SetupLogin)
                .ToMessage(Messenger);

            // Command Condition
            var userPassAndWifi =
                Observable.CombineLatest(
                Connectivity.WifiAvailable(),
                this.WhenAny(x => x.UserName, x => x.GetValue()).Select(string.IsNullOrWhiteSpace),
                this.WhenAny(x => x.Password, x => x.GetValue()).Select(string.IsNullOrWhiteSpace),
                (wifi, a, b) => wifi & !(a | b));

            // Command and Errorhandling
            this.GetRepositories = new ReactiveAsyncCommand(userPassAndWifi);
            GetRepositories.ShowInFlightNotification(Notifications, DiversityResources.Setup_Info_ValidatingLogin);
            GetRepositories.ThrownExceptions
                .ShowServiceErrorNotifications(Notifications)
                .ShowErrorNotifications(Notifications)
                .Subscribe();
            var loginAndRepo = GetRepositories.RegisterAsyncObservable(GetRepositoriesObservable).Publish().PermaRef();

            // Page Navigation if Login Successful
            // i.e. Any repositories have been returned
            loginAndRepo
                .Snd()
                .Subscribe(NavigateOrNotifyInvalidCredentials);

            // Repo Selection
            this.Database = new ListSelectionHelper<string>(Dispatcher);
            loginAndRepo
                .Select(t => t.Item2)
                .Merge(EmptyProjectsOnLoginStart())
                .Subscribe(Database.ItemsObserver);

            // Settings Propagation
            LatestLogin = loginAndRepo
               .Fst()
               .MostRecent(null)
               .GetEnumerator();

            // Command Condition
            var repoSelected = Database.SelectedItemObservable
                .Select(repo => repo != NoRepo)
                .AndNoItemsInFlight(GetRepositories);

            // Command and Errorhandling
            this.GetProjects = new ReactiveAsyncCommand(repoSelected);
            GetProjects.ShowInFlightNotification(Notifications, DiversityResources.Setup_Info_GettingProjects);
            GetProjects.ThrownExceptions
                .ShowServiceErrorNotifications(Notifications)
                .ShowErrorNotifications(Notifications)
                .Subscribe();
            var loginAndProjects = GetProjects.RegisterAsyncObservable(GetProjectsObservable).Publish().PermaRef();

            // Page Navigation
            loginAndProjects
                .Select(_ => Page.SetupProject)
                .ToMessage(Messenger);

            // Project Selection
            Project = new ListSelectionHelper<Project>(Dispatcher);
            loginAndProjects
                .Snd()
                .Merge(
                   EmptyReposOnRepoChange()
                   )
                   .Subscribe(Project.ItemsObserver);

            // Settings Propagation
            LatestLoginWithRepo = loginAndProjects
                .Fst()
                .MostRecent(null)
                .GetEnumerator();

            // Command Condition
            var projectSelected = Project.SelectedItemObservable
                .Select(p => p != NoProject)
                .AndNoItemsInFlight(GetProjects);

            // Command and Errorhandling
            this.GetProfile = new ReactiveAsyncCommand(projectSelected);
            GetProfile.ShowInFlightNotification(Notifications, DiversityResources.Setup_Info_GettingProfile);
            GetProfile.ThrownExceptions
                .ShowServiceErrorNotifications(Notifications)
                .ShowErrorNotifications(Notifications)
                .Subscribe();
            var loginWithProfile = GetProfile.RegisterAsyncObservable(GetProfileObservable).Publish().PermaRef();

            // Page Navigation
            loginWithProfile
                .Select(_ => Page.SetupGPS)
                .ToMessage(Messenger);

            // Settings Propagation
            LatestLoginWithProfile = loginWithProfile
                .MostRecent(null)
                .GetEnumerator();

            // Command And Page Navigation
            this.Save = new ReactiveAsyncCommand();
            Save.RegisterAsyncObservable(SaveSettings)
                .Select(_ => Page.SetupVocabulary)
                .ToMessage(Messenger);
        }
        public SettingsVM(
            ISettingsService Settings,
            ICleanupData Cleanup,
            IConnectivityService Connectivity
            ) {
            this.Cleanup = Cleanup;
            this.Settings = Settings;
            this.Connectivity = Connectivity;

            this.WhenAny(x => x.Model, x => x.Value)
                .Where(x => x != null)
                .Select(m => m.UseGPS)
                .Subscribe(x => UseGPS = x);

            Reset = new ReactiveAsyncCommand(Connectivity.WifiAvailable());

            Reset.RegisterAsyncTask(OnReset);

            var setting_changed =
                this.WhenAny(x => x.UseGPS, x => x.Model,
                    (gps, model) => (model.Value != null) ? model.Value.UseGPS != gps.Value : false);

            Save = new ReactiveCommand(setting_changed);
            Messenger.RegisterMessageSource(
                Save
                .Do(_ => saveModel())
                .Select(_ => Page.Previous)
                );

            RefreshVocabulary = new ReactiveCommand(Connectivity.WifiAvailable());
            RefreshVocabulary
                .Subscribe(_ => {
                    Messenger.SendMessage(Page.SetupVocabulary);
                });





            ManageTaxa = new ReactiveCommand();
            Messenger.RegisterMessageSource(
                ManageTaxa
                .Select(_ => Page.TaxonManagement)
                );

            UploadData = new ReactiveCommand();
            Messenger.RegisterMessageSource(
                UploadData
                .Select(_ => Page.Upload)
                );

            DownloadData = new ReactiveCommand();
            Messenger.RegisterMessageSource(
                DownloadData
                .Select(_ => Page.Download)
                );

            Info = new ReactiveCommand();
            Messenger.RegisterMessageSource(
                Info
                .Select(_ => Page.Info)
                );

            ImportExport = new ReactiveCommand();
            Messenger.RegisterMessageSource(
                ImportExport
                .Select(_ => Page.ImportExport)
                );

            Settings
                .SettingsObservable()
                .Subscribe(x => Model = x);
        }