fetchUser method

Implementation

Future<User?> fetchUser() async {
  if (!_authenticationService.isAuthenticated) {
    return null;
  }

  try {
    User user =
        await _apiService.getModelRequest('v1/users/me', User.fromJson);
    // Update the user in the service
    _currentUser = user;
    return user;
  } catch (err) {
    return null;
  }
}