Ojs\JournalBundle\Entity\Journal::getBannedUsers PHP Method

    public function getBannedUsers()
    {
        return $this->bannedUsers;
    }

 /**
  * Check ban status
  * @param  User    $user
  * @param  Journal $journal
  * @return bool
  */
 public function checkUserPermit(User $user, Journal $journal)
 {
     return $journal->getBannedUsers()->contains($user) ? false : true;
 }