/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="sender">
/// The source of the event; typically <see cref="NavigationHelper"/>
/// </param>
/// <param name="e">Event data that provides both the navigation parameter passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and
/// a dictionary of state preserved by this page during an earlier
/// session. The state will be null the first time a page is visited.</param>
private void navigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
RegisterExternalPageParameters parameters = (RegisterExternalPageParameters)e.NavigationParameter;
this.accessTokenSource = parameters.AccessTokenSource;
this.externalLoginUri = parameters.ExternalLoginUri;
UserInfo userInfo = parameters.UserInfo;
string text = SuccessfulExternalLoginTextBlock.Text;
SuccessfulExternalLoginTextBlock.Text =
text.Substring(0, text.LastIndexOf(' ') + 1) + userInfo.LoginProvider + '.';
this.UsernameTextBox.Text = userInfo.UserName;
}
private async void WebAccountProviderInvokedHandler(WebAccountProviderCommand command)
{
string externalLoginUri = command.WebAccountProvider.Id;
ExternalLoginResult loginExternalResult = await ExternalLoginManager.GetExternalAccessTokenAsync(externalLoginUri);
if (loginExternalResult.AccessToken != null)
{
// Save the access token so we can check if the user has registered
AppSettings settings = new AppSettings();
settings.AccessToken = loginExternalResult.AccessToken;
HttpResult <UserInfo> result;
using (AccountClient accountClient = ClientFactory.CreateAccountClient())
{
result = await accountClient.GetUserInfoAsync();
}
if (result.Succeeded)
{
if (result.Content.HasRegistered)
{
accessTokenSource.TrySetResult(loginExternalResult.AccessToken);
this.Frame.GoBack();
}
else
{
RegisterExternalPageParameters parameters = new RegisterExternalPageParameters()
{
AccessTokenSource = accessTokenSource,
ExternalLoginUri = externalLoginUri,
UserInfo = result.Content
};
this.Frame.Navigate(typeof(RegisterExternalPage), parameters);
}
}
else
{
await ErrorDialog.ShowErrorsAsync("Failed to connected to external account.", result.Errors);
}
}
else
{
await ErrorDialog.ShowErrorAsync("Failed to connected to external account.");
}
}
private async void WebAccountProviderInvokedHandler(WebAccountProviderCommand command)
{
string externalLoginUri = command.WebAccountProvider.Id;
ExternalLoginResult loginExternalResult = await ExternalLoginManager.GetExternalAccessTokenAsync(externalLoginUri);
if (loginExternalResult.AccessToken != null)
{
// Save the access token so we can check if the user has registered
AppSettings settings = new AppSettings();
settings.AccessToken = loginExternalResult.AccessToken;
HttpResult<UserInfo> result;
using (AccountClient accountClient = ClientFactory.CreateAccountClient())
{
result = await accountClient.GetUserInfoAsync();
}
if (result.Succeeded)
{
if (result.Content.HasRegistered)
{
accessTokenSource.TrySetResult(loginExternalResult.AccessToken);
this.Frame.GoBack();
}
else
{
RegisterExternalPageParameters parameters = new RegisterExternalPageParameters()
{
AccessTokenSource = accessTokenSource,
ExternalLoginUri = externalLoginUri,
UserInfo = result.Content
};
this.Frame.Navigate(typeof(RegisterExternalPage), parameters);
}
}
else
{
await ErrorDialog.ShowErrorsAsync("Failed to connected to external account.", result.Errors);
}
}
else
{
await ErrorDialog.ShowErrorAsync("Failed to connected to external account.");
}
}
