/// <summary>
/// Logs in or registers a user whose email has not already been registered.
/// If successful, calls the UserLoggedIn event handler and sets the user in ApiHelper
/// </summary>
/// <param name="info">Information needed by the api to log a user in</param>
/// <returns></returns>
public static async void LoginOrRegisterAsync()
{
AuthenticationResult result = null;
try
{
PublicClientApplication pca = App.AuthClient;
result = await pca.AcquireTokenAsync(Globals.DefaultScopes);
ApiHelper.setToken(result.AccessToken);
LoginInitiated?.Invoke(DateTime.Now, null);
Models.User user = await ApiHelper.GetAsync <Models.User>("User");
if (user == null || user.Email == null)
{
user = await ApiHelper.PostAsync <Models.User>("User");
}
if (user != null && !String.IsNullOrWhiteSpace(user.Email))
{
UserLoggedIn?.Invoke(DateTime.Now, user);
}
else
{
AuthError?.Invoke(DateTime.Now, "No connection to server.");
}
}
catch (MsalException ex)
{
if (ex.ErrorCode != "authentication_canceled")
{
string message = ex.Message;
if (ex.InnerException != null)
{
message += "\nInner Exception: " + ex.InnerException.Message;
}
AuthError?.Invoke(DateTime.Now, message);
}
}
catch (System.Net.Http.HttpRequestException ex)
{
// Launch warning popup
ContentDialog notLoggedInDialog = new ContentDialog()
{
Title = "Could not login",
Content = "Please check your wifi signal.",
PrimaryButtonText = "Ok"
};
await ContentDialogHelper.CreateContentDialogAsync(notLoggedInDialog, true);
}
}
private async void LoginButton_Click(object sender, RoutedEventArgs e)
{
if (this.UserDetails != null)
{
if (FlyoutBase.GetAttachedFlyout(_loginButton) is FlyoutBase flyout)
{
flyout.ShowAt(_loginButton);
}
}
else
{
var cargs = new CancelEventArgs();
LoginInitiated?.Invoke(this, cargs);
if (!cargs.Cancel)
{
await LoginAsync();
}
}
}