private async Task SearchForId(string id)
{
var semestersRequest = await NPAPI.GetSemesters(id);
bool saveSearchId = true;
if (semestersRequest.Success)
{
//Update label
name = semestersRequest.Name;
searchResultLabelTextBlock.Text = name;
//Update comoboBox
semesterComboBox.ItemsSource = semestersRequest.Semesters;
if (semesterComboBox.Items.Count > 0)
{
semesterComboBox.SelectedIndex = 0;
}
semesterComboBox.Visibility = semesterComboBox.Items.Count > 0 ? Visibility.Visible : Visibility.Collapsed;
//Save request to roaming settings
SaveToSettings(localSettings, "name", name);
var semestersJson = JsonConvert.SerializeObject(semestersRequest.Semesters);
SaveToSettings(localSettings, "semesters", semestersJson.ToString());
//Send GA Event
bool searchSelf = roamingSettings.Values.ContainsKey("id") && roamingSettings.Values["id"] as string == id;
App.Current.GATracker.SendEvent("Get Semesters", null, id, searchSelf ? 0 : 1);
}
else
{
if (semestersRequest.Error == NPAPI.RequestResult.ErrorType.Unauthorized)
{
//Send GA Event
App.Current.GATracker.SendEvent("Session", "Session Expired", null, 0);
//Try background login
var result = await NPAPI.BackgroundLogin();
if (result.Success)
{
await SearchForId(id);
}
else
{
Frame.Navigate(typeof(LoginPage));
}
}
else
{
await new MessageDialog(semestersRequest.Message).ShowAsync();
saveSearchId = false;
}
}
if (saveSearchId)
{
SaveToSettings(localSettings, "searchId", id);
}
}
private async Task SearchForId(string id)
{
//Disable user input
searchForIdTextBox.IsEnabled = searchSelfButton.IsEnabled = semesterComboBox.IsEnabled = getSemestersButton.IsEnabled = false;
try
{
var semestersRequest = await NPAPI.GetSemesters(id);
//Update label
name = semestersRequest.Name;
searchResultLabelTextBlock.Text = name;
//Update comoboBox
semesterComboBox.ItemsSource = semestersRequest.Semesters;
if (semesterComboBox.Items.Count > 0)
{
semesterComboBox.SelectedIndex = 0;
}
//Save request to local settings
SaveToSettings(localSettings, "name", name);
var semestersJson = JsonConvert.SerializeObject(semestersRequest.Semesters);
SaveToSettings(localSettings, "semesters", semestersJson.ToString());
//Send GA Event
bool searchSelf = roamingSettings.Values.ContainsKey("id") && roamingSettings.Values["id"] as string == id;
App.Current.GATracker.SendEvent("Get Semesters", null, id, searchSelf ? 0 : 1);
//Save search id
SaveToSettings(localSettings, "searchId", id);
}
catch (NPAPI.SessionExpiredException)
{
//Send GA Event
App.Current.GATracker.SendEvent("Session", "Session Expired", null, 0);
//Try background login
try
{
await NPAPI.BackgroundLogin();
await SearchForId(id);
}
catch
{
Frame.Navigate(typeof(LoginPage));
}
}
catch (Exception e)
{
await new MessageDialog(e.Message, "錯誤").ShowAsync();
}
//Enableuser input
searchForIdTextBox.IsEnabled = searchSelfButton.IsEnabled = semesterComboBox.IsEnabled = getSemestersButton.IsEnabled = true;
semesterComboBox.Focus(FocusState.Programmatic);
}
