private function findUnit(Identity $identity)
{
if (null === $this->unit) {
$filter = Filter::equals('mail', $identity->mail);
$baseDn = Dn::factory($this->ldap->getBaseDn())->prepend(['ou' => 'people']);
$result = $this->ldap->search($filter, $baseDn, Ldap::SEARCH_SCOPE_ONE, ['l']);
if (1 !== $result->count()) {
return;
}
$result = $result->current();
$unitDn = $result['l'][0];
$this->unit = $this->ldap->getNode($unitDn);
}
return $this->unit;
}
