public function activate($provisionKey)
{
if ($this->provisionKey == $provisionKey) {
$user = User::freshActive($this->getPassword(), $this->getSalt());
$user->setLogin($this->getLogin());
$user->setName($this->getName());
$user->setEmail($this->getEmail());
$user->setSettingsLanguage($this->getLanguage());
return $user;
} else {
throw new UserRegistrationException('Invalid provision key.');
}
}