Filter Services with no perfdata

Author: Virsacer

application/controllers/ListController.php

@@ -2,6 +2,7 @@
 
 namespace Icinga\Module\Graphite\Controllers;
 
+use Icinga\Data\Filter\Filter;
 use Icinga\Module\Graphite\Forms\TimeRangePicker\TimeRangePickerTrait as TimeRangePicker;
 use Icinga\Module\Graphite\Forms\TimeRangePicker\TimeRangePickerTrait as TimeRangePickerFormTrait;
 use Icinga\Module\Graphite\Web\Controller\MonitoringAwareController;
@@ -40,6 +41,8 @@ public function hostsAction()
             $this->backend->select()->from('hoststatus', ['host_name'])
         );
 
+        $hostsQuery->applyFilter(Filter::expression('host_perfdata', '!=', ''));
+
         $this->view->baseUrl = $baseUrl = Url::fromPath('monitoring/host/show');
         TimeRangePickerFormTrait::copyAllRangeParameters(
             $baseUrl->getParams(),
@@ -76,6 +79,8 @@ public function servicesAction()
             $this->backend->select()->from('servicestatus', ['host_name', 'service_description'])
         );
 
+        $servicesQuery->applyFilter(Filter::expression('service_perfdata', '!=', ''));
+
         $this->view->hostBaseUrl = $hostBaseUrl = Url::fromPath('monitoring/host/show');
         TimeRangePickerFormTrait::copyAllRangeParameters(
             $hostBaseUrl->getParams(),