public function renderPeople()
 {
     $ISmembers = $this->skautIS->org->PersonAllExport(array("ID_Unit" => 25634));
     $this->template->person = [];
     $this->template->validMembers = [];
     $this->template->validISmembers = [];
     $this->template->invalidISmembers = [];
     $reg_numbers = [];
     foreach ($ISmembers as $ISmember) {
         $reg = $ISmember->RegistrationNumber;
         $member = $this->registrations->getBy(['registration_number' => $reg]);
         if ($member) {
             $this->template->person[] = $ISmember;
             $this->template->validMembers[] = $member;
             $this->template->validISmembers[] = $ISmember;
             $reg_numbers[] = $reg;
         } else {
             $this->template->invalidISmembers[] = $ISmember;
         }
     }
     if (count($this->template->validISmembers) === count($this->template->validMembers)) {
         $this->template->validSize = count($this->template->validISmembers);
     } else {
         $this->error('Došlo k chybě při komunikaci s IS skautem.', \Nette\Http\IResponse::S500_INTERNAL_SERVER_ERROR);
     }
     $this->template->invalidMembers = $this->registrations->findAll()->where('registration_number NOT ? OR registration_number IS NULL', $reg_numbers);
 }