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);
}
