protected override async void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
Analytics.TrackEvent("Navigation", new Dictionary <string, string>()
{
{ "Page", "Schedule" }
});
Application.Current.GetService <IMessageService <DaySelectedMessage> >().Register(ScheduleTable);
Application.Current.GetService <INotificationService>().ClearToast(ToastTypes.ScheduleSummary);
bool signedIn = Application.Current.GetService <ICredentialService>().IsSignedIn;
await WellknownDataViewModel.StartUpdateAsync(signedIn);
await ScheduleViewModel.StartUpdateAsync(signedIn);
}
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
Analytics.TrackEvent("Main page reached", new Dictionary <string, string>()
{
{ "Size", $"{Window.Current.Bounds}" }
});
prevWidth = Window.Current.Bounds.Width;
Window.Current.SizeChanged += CurrentWindow_SizeChanged;
if (e.Parameter is string argument && !string.IsNullOrEmpty(argument))
{
Analytics.TrackEvent("Launched with parameter", new Dictionary <string, string>()
{
{ "Parameter", argument }
});
if (argument.Equals("ScoreChanged", StringComparison.Ordinal))
{
NavigationView.SelectedItem = NavigationView.MenuItems.Last();
}
}
bool signedIn = Application.Current.GetService <ICredentialService>().IsSignedIn;
IAsyncOperation <PushNotificationChannel> channelCreationTask = PushNotificationChannelManager.CreatePushNotificationChannelForApplicationAsync();
Task wellknownUpdateTask = WellknownDataViewModel.StartUpdateAsync(signedIn);
Task studentInfoUpdateTask = StudentInfoViewModel.StartUpdateAsync(signedIn);
await wellknownUpdateTask;
Task examsUpdateTask = ExamsViewModel.StartUpdateAsync(signedIn);
Task scheduleUpdateTask = ScheduleViewModel.StartUpdateAsync(signedIn);
if (!signedIn)
{
ISignInService signInService = Application.Current.GetService <ISignInService>();
try
{
await signInService.SignInAsync(false);
signedIn = true;
Application.Current.GetService <IMessageService <SignInMessage> >().SendMessage(new SignInMessage(true));
}
catch (BackendAuthenticationFailedException ex)
{
Crashes.TrackError(ex);
Analytics.TrackEvent("Authentication failed");
await((App)Application.Current).SignOutAsync();
}
catch (BackendRequestFailedException ex)
{
Crashes.TrackError(ex);
Application.Current.GetService <IMessageService <SignInMessage> >().SendMessage(new SignInMessage(false));
}
}
if (signedIn)
{
INotificationChannelService channelService = Application.Current.GetService <INotificationChannelService>();
Task channelUpdateTask;
try
{
PushNotificationChannel channel = await channelCreationTask;
channelUpdateTask = channelService.PostNotificationChannelAsync(new NotificationChannelItem(channel.Uri));
}
catch (Exception ex)
{
Crashes.TrackError(ex);
channelUpdateTask = Task.CompletedTask;
}
await Task.WhenAll(studentInfoUpdateTask, examsUpdateTask, scheduleUpdateTask, channelUpdateTask);
}
else
{
await Task.WhenAll(studentInfoUpdateTask, examsUpdateTask, scheduleUpdateTask);
}
}