public async Task LogoutAsync()
{
bool logout = await _dialogService.ShowConfirmationDialogAsync(
"Confirmation",
"Are you sure you want to log out?",
"Yes",
"No");
if (logout)
{
//TODO: DELETE ALL !!
//delete all from the db
//delete user settings
//delete all view models
OpenPane(false);
ShowLoading(true, "Logging out... Please wait..");
BackgroundTasksManager.UnregisterBackgroundTask();
_appSettings.ResetAppSettings();
await _dataService
.UserService
.ChangeCurrentUserStatus(false);
string currentLoggedUsername = _userCredentialService.GetCurrentLoggedUsername();
if (string.IsNullOrEmpty(currentLoggedUsername))
{
currentLoggedUsername = _userCredentialService.DefaultUsername;
}
_userCredentialService.DeleteUserCredential(ResourceType.ALL, currentLoggedUsername);
_navigationService.GoBack();
ShowLoading(false);
}
}
protected override async Task NavigateToFirstViewModel(object hint = null)
{
var response = await _dataService
.UserService
.GetCurrentActiveUserAsync();
var loggedUsername = _userCredentialService.GetCurrentLoggedUsername();
var isUserLoggedIn = loggedUsername != _userCredentialService.DefaultUsername &&
!string.IsNullOrEmpty(loggedUsername);
if (!response.Succeed || isUserLoggedIn && response.Result is null)
{
var errorMsg = string.IsNullOrEmpty(response.Message)
? $"Did you uninstall the app without signing out ?{System.Environment.NewLine}I will properly log you out now..."
: response.Message;
_userCredentialService.DeleteUserCredential(
ResourceType.ALL,
_userCredentialService.DefaultUsername);
_logger.Warning(
$"{nameof(NavigateToFirstViewModel)}: Couldnt get a user in the db = {response.Succeed} " +
$"or isUserLoggedIn and no user exists in db. {errorMsg}");
await NavigationService.Navigate <LoginViewModel>();
return;
}
if (isUserLoggedIn && _appSettings.AskForPasswordWhenAppStarts)
{
//_dialogService.ShowLoginDialog(async password =>
//{
// var result = await PasswordMatches(password);
// if (result)
// {
// await NavigationService.Navigate<MainViewModel>();
// }
// else
// {
// await NavigationService.Navigate<LoginViewModel>();
// }
//});
}
else if (isUserLoggedIn)
{
_dialogService.ShowSucceedToast("navegando...");
await NavigationService.Navigate <MainViewModel>();
}
else
{
await NavigationService.Navigate <LoginViewModel>();
}
}
protected override async Task <HttpResponseMessage> SendAsync(
HttpRequestMessage request,
CancellationToken cancellationToken)
{
// Cloning the request, in case we need to send it again
var clonedRequest = await CloneRequest(request);
var response = await base.SendAsync(clonedRequest, cancellationToken);
if (response.StatusCode == HttpStatusCode.Unauthorized)
{
try
{
var currentLoggedUsername = _userCredentialService.GetCurrentLoggedUsername();
if (string.IsNullOrEmpty(currentLoggedUsername))
{
await _dialogService.ShowMessageDialogAsync(
"Error",
"Could't retrieve the current logged username");
return(response);
}
var refreshToken = _userCredentialService.GetUserCredential(
ResourceType.REFRESH_TOKEN_RESOURCE,
currentLoggedUsername);
if (string.IsNullOrEmpty(refreshToken))
{
await _dialogService.ShowMessageDialogAsync(
"Error",
"Could't retrieve the refresh token");
return(response);
}
var tokenResponse = await _googleAuthService.GetNewTokenAsync(refreshToken);
if (!tokenResponse.Succeed)
{
await _dialogService.ShowMessageDialogAsync(
"Error",
"Could't get a new token. Did you remove access to our app :C?");
return(response);
}
var token = tokenResponse.Result;
// we're now logged in again.
// Clone the request
clonedRequest = await CloneRequest(request);
// Save the user to the app settings
_userCredentialService.UpdateUserCredential(
ResourceType.REFRESH_TOKEN_RESOURCE,
currentLoggedUsername,
false,
token.RefreshToken);
_userCredentialService.UpdateUserCredential(
ResourceType.TOKEN_RESOURCE,
currentLoggedUsername,
false,
token.AccessToken);
// Set the authentication header
//clonedRequest.Headers.Remove("Bearer");
//clonedRequest.Headers.Add("Bearer", newToken.AccessToken);
clonedRequest.Headers.Authorization = new AuthenticationHeaderValue("Bearer", token.AccessToken);
// Resend the request
response = await base.SendAsync(clonedRequest, cancellationToken);
}
catch (InvalidOperationException)
{
// user cancelled auth, so lets return the original response
return(response);
}
}
return(response);
}
