/**
* Undo an activity sign up.
*
* @param ActivityModel $activity
* @param Member $user
*/
public function signOff(ActivityModel $activity, Member $user)
{
$signUpMapper = $this->getServiceManager()->get('activity_mapper_signup');
$signUp = $signUpMapper->getSignUp($activity->get('id'), $user->getLidnr());
// If the user was not signed up, no need to signoff anyway
if (is_null($signUp)) {
return;
}
$em = $this->getServiceManager()->get('Doctrine\\ORM\\EntityManager');
$em->remove($signUp);
$em->flush();
}