public function getUserAvatar($userId = '')
{
$profileModel = Portal::getModels('profiles');
$profile = $profileModel->getProfiles($userId);
if (empty($profile['avatar'])) {
return base_url('images/users/avatars/default/avatar.jpg');
}
return base_url('images/users/avatars/' . $profile['id'] . '/' . $profile['avatar']);
}