function initFilters(&$report, $request, &$feedback)
 {
     $filterFactory = new Docman_FilterFactory($this->groupId);
     $mdFactory = new Docman_MetadataFactory($this->groupId);
     $mdIter = $mdFactory->getMetadataForGroup(true);
     $mdIter->rewind();
     while ($mdIter->valid()) {
         $md = $mdIter->current();
         $filter = $filterFactory->createFilterOnMatch($md, $request, $report->getAdvancedSearch());
         $this->_validateFilterAndCreate($report, $filter, $feedback);
         $mdIter->next();
     }
     // Special case for a fake metadata: generic text search
     $filter = $filterFactory->getGlobalSearchFilter($request);
     $this->_validateFilterAndCreate($report, $filter, $feedback);
     $filter = $filterFactory->getItemTypeSearchFilter($request, $report->getAdvancedSearch());
     $this->_validateFilterAndCreate($report, $filter, $feedback);
 }