/**
* @see PersistableInterface
*
* @return array
*/
public function preparePersistChangeSet()
{
$changeSet = array('username' => $this->username, 'password' => $this->password);
if ($this->profile !== null) {
$changeSet['profileId'] = $this->profile->getId();
}
if ($this->groups) {
$groupIds = $this->groups->map(function (Group $group) {
return $group->getId();
})->toArray();
$changeSet['groupIds'] = implode(',', $groupIds);
}
if ($this->id !== null) {
$changeSet['_id'] = (int) $this->id;
}
return $changeSet;
}
