protected override async void OnNavigatedTo(NavigationEventArgs e)
{
HelperMethods.HideSplitView();
if (Frame.BackStack.Count > 0)
{
if (Frame.BackStack[Frame.BackStack.Count - 1].SourcePageType == typeof(FinalConfirmation))
{
HelperMethods.DisableBackButton();
}
}
if (AppConstants.users.Count == 0)
{
proceedTextBlock.Text = "Login to Twitch";
}
else
{
proceedTextBlock.Text = "Choose an account";
}
StorageFile usersFile = await roamingFolder.GetFileAsync("Users.json");
string usersDataString = await FileIO.ReadTextAsync(usersFile);
if (!string.IsNullOrEmpty(usersDataString))
{
JArray usersA = JArray.Parse(usersDataString);
foreach (JObject userO in usersA)
{
User tmpUser = null;
string name = (string)userO["name"];
string accessToken = (string)userO["access_token"];
Channel userChannel = await AppConstants.Twixel.RetrieveChannel(name);
AccountListViewBinding binding = new AccountListViewBinding();
binding.DisplayName = userChannel.displayName;
binding.Name = userChannel.name;
if (userChannel.logo != null)
{
binding.Image = userChannel.logo.ToString();
}
try
{
tmpUser = await AppConstants.Twixel.RetrieveUserWithAccessToken(accessToken);
binding.Invalid = false;
accounts.Add(binding);
validUsers.Add(binding.Name, tmpUser);
}
catch (TwixelException ex)
{
if (ex.Message == $"{accessToken} is not a valid access token")
{
binding.Invalid = true;
accounts.Add(binding);
}
}
}
}
base.OnNavigatedTo(e);
}
private void accountsListView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (accountsListView.SelectedIndex == -1)
{
proceedButton.Content = "Login";
changePermissionsButton.Content = "Change Permissions";
changePermissionsButton.IsEnabled = false;
}
else
{
AccountListViewBinding binding = e.AddedItems[0] as AccountListViewBinding;
if (!binding.Invalid)
{
proceedButton.Content = "Select";
changePermissionsButton.Content = "Change Permissions";
changePermissionsButton.IsEnabled = true;
}
else
{
proceedButton.Content = "Reauthenticate";
changePermissionsButton.Content = "Invalid Access Token";
changePermissionsButton.IsEnabled = false;
}
}
}
private void proceedButton_Click(object sender, RoutedEventArgs e)
{
if (accountsListView.SelectedIndex == -1)
{
Frame.Navigate(typeof(ScopesPage));
}
else
{
AccountListViewBinding binding = accountsListView.SelectedItem as AccountListViewBinding;
if (!binding.Invalid)
{
roamingSettings.Values["activeUser"] = binding.Name;
AppConstants.activeUser = validUsers[binding.Name];
Frame.Navigate(typeof(HomePage));
}
else
{
Frame.Navigate(typeof(ScopesPage));
}
}
}
