/**
* Returns true if the given userLogin is known in the database
*
* @param string $userLogin
* @return bool true if the user is known
*/
public function userExists($userLogin)
{
if ($userLogin == 'anonymous') {
return true;
}
Piwik::checkUserIsNotAnonymous();
Piwik::checkUserHasSomeViewAccess();
if ($userLogin == Piwik::getCurrentUserLogin()) {
return true;
}
return $this->model->userExists($userLogin);
}