public function loadUserByUsername($username)
{
$repository = $this->entityManager->getRepository('PartKeepr\\AuthBundle\\Entity\\User');
$user = $repository->findOneBy(['username' => $username, 'legacy' => true]);
if ($user !== null) {
return $user;
}
throw new UsernameNotFoundException(sprintf('Username "%s" does not exist.', $username));
}