/// <summary>
/// Method which performs the work of the background task.
/// </summary>
/// <param name="taskInstance">The interface to an instance of the background task</param>
private async void Update(IBackgroundTaskInstance taskInstance)
{
BackgroundTaskDeferral deferral = taskInstance.GetDeferral();
#if !DEBUG
if (!(DateTime.Today.Month == 7 || DateTime.Today.Month == 8))
#else
if (true)
#endif
{
PasswordCredential credential = SecurityExtensions.RetrieveCredentials();
if (credential != null)
{
credential.RetrievePassword();
try
{
TileUpdateManager.CreateTileUpdaterForApplication().Clear();
ToastNotificationManager.History.Clear();
using (ClientExtensions client = new ClientExtensions())
{
await client.AuthenticateAndInitDataAsync(new UserCredentials(credential.UserName, credential.Password), false);
CheckAndSendNotification(BackgroundTaskExtensions.EVENTS, client.AccountDetails.AbsenceEvents.Count(item => !item.IsJustified), "AbsenceNotification".GetLocalized());
CheckAndSendNotification(BackgroundTaskExtensions.APPOINTMENTS, client.AccountDetails.AgendaEvents.Count, "AgendaNotification".GetLocalized());
CheckAndSendNotification(BackgroundTaskExtensions.DIDACTICS, client.AccountDetails.DidacticsItems.Count, "DidactictNotification".GetLocalized());
CheckAndSendNotification(BackgroundTaskExtensions.GRADES, client.AccountDetails.Grades.Count, "GradeNotification".GetLocalized());
CheckAndSendNotification(BackgroundTaskExtensions.NOTES, client.AccountDetails.Notes.Count, "NoteNotification".GetLocalized());
CheckAndSendNotification(BackgroundTaskExtensions.ITEMS, client.AccountDetails.NoticeboardItems.Count, "NoticeboardNotification".GetLocalized());
}
}
catch (Exception)
{
//
}
}
}
else
{
ResourceExtensions.StoreRoamingObject(BackgroundTaskExtensions.EVENTS, 0);
ResourceExtensions.StoreRoamingObject(BackgroundTaskExtensions.APPOINTMENTS, 0);
ResourceExtensions.StoreRoamingObject(BackgroundTaskExtensions.DIDACTICS, 0);
ResourceExtensions.StoreRoamingObject(BackgroundTaskExtensions.GRADES, 0);
ResourceExtensions.StoreRoamingObject(BackgroundTaskExtensions.NOTES, 0);
ResourceExtensions.StoreRoamingObject(BackgroundTaskExtensions.ITEMS, 0);
}
deferral.Complete();
}
/// <summary>
/// Method invoked once navigated to the page.
/// Begins user login.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void Page_Loaded()
{
if (SystemInformation.IsFirstRun)
{
await new PrivacyPolicyDialog().ShowAsync();
}
PasswordCredential credentials = SecurityExtensions.RetrieveCredentials();
if (credentials != null)
{
_avoidCheck = true;
credentials.RetrievePassword();
UsernameTextBox.Text = credentials.UserName;
PasswordPasswordBox.Password = credentials.Password;
Button_Click(null, null);
}
}