public function getAllUsersFromForgeUserGroup(User_ForgeUGroup $user_group)
 {
     $rows = $this->users_dao->getUsersByForgeUserGroupId($user_group->getId());
     if (!$rows) {
         return array();
     }
     return $rows->instanciateWith(array($this, 'instantiateFromRow'));
 }
 public function userIsAlreadyInTheGroup(PFUser $user, User_ForgeUGroup $user_group)
 {
     return $this->users_dao->isUserInGroup($user->getId(), $user_group->getId());
 }