/**
  * Load Group from CMbObject
  *
  * @param CMbObject $object CMbObject
  *
  * @return CGroups
  */
 function loadRefGroup($object)
 {
     switch ($object->_class) {
         case 'CCompteRendu':
             /** @var CCompteRendu $object */
             $object->completeField("author_id");
             $object->loadRefAuthor();
             $group = $object->_ref_author->loadRefFunction()->loadRefGroup();
             break;
         case 'CConsultAnesth':
         case 'COperation':
             /** @var CConsultAnesth $object */
             $object->loadRefChir();
             $group = $object->_ref_chir->loadRefFunction()->loadRefGroup();
             break;
         case 'CConsultation':
         case 'CPrescriptionLineMedicament':
         case 'CPrescriptionLineMix':
         case 'CPrescriptionLineElement':
             $object->loadRefPraticien();
             $group = $object->_ref_praticien->loadRefFunction()->loadRefGroup();
             break;
         case 'CObservationMedicale':
         case 'CTransmissionMedicale':
             $object->completeField("user_id");
             $object->loadRefUser();
             $group = $object->_ref_user->loadRefFunction()->loadRefGroup();
             break;
         case 'CFile':
             /** @var CFile $object */
             $object->completeField("author_id");
             $object->loadRefAuthor();
             $group = $object->_ref_author->loadRefFunction()->loadRefGroup();
             break;
         default:
             if ($object->_class instanceof CExObject) {
                 $group = $object->loadRefGroup();
             } else {
                 return new CGroups();
             }
     }
     return $group;
 }