/**
* @param \Claroline\CoreBundle\Entity\Workspace\Workspace $workspace
*
* @return \Claroline\CoreBundle\Entity\User|null
*/
public function findPersonalUser(Workspace $workspace)
{
$user = $this->userRepo->findBy(array('personalWorkspace' => $workspace));
return count($user) === 1 ? $user[0] : null;
}
