function userFromAuthor($author)
{
$user = User::staticGet('uri', $author->id);
if (empty($user)) {
$attrs = array('nickname' => Ostatus_profile::getActivityObjectNickname($author), 'uri' => $author->id);
$user = User::register($attrs);
}
$profile = $user->getProfile();
Ostatus_profile::updateProfile($profile, $author);
// FIXME: Update avatar
return $user;
}
