converted exporter back to counter

app/Http/Controllers/MetaGerSearch.php

@@ -123,32 +123,9 @@ class MetaGerSearch extends Controller
         }
 
         $registry = \Prometheus\CollectorRegistry::getDefault();
-        $histogram = $registry->getOrRegisterHistogram('metager', 'result_histogram', 'counts total number of returned results', [], [0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100]);
-        $resultCount = sizeof($metager->getResults());
-        $observeValue = 0;
-        if($resultCount > 0 && $resultCount <= 10){
-            $observeValue = 10;
-        }else if($resultCount <= 20){
-            $observeValue = 20;
-        }else if($resultCount <= 30){
-            $observeValue = 30;
-        }else if($resultCount <= 40){
-            $observeValue = 40;
-        }else if($resultCount <= 50){
-            $observeValue = 50;
-        }else if($resultCount <= 60){
-            $observeValue = 60;
-        }else if($resultCount <= 70){
-            $observeValue = 70;
-        }else if($resultCount <= 80){
-            $observeValue = 80;
-        }else if($resultCount <= 90){
-            $observeValue = 90;
-        }else if($resultCount > 90){
-            $observeValue = 100;
-        }
-        $histogram->observe($observeValue);
-
+        $counter = $registry->getOrRegisterCounter('metager', 'result_counter', 'counts total number of returned results', []);
+        $counter->incBy(sizeof($metager->getResults()));
+        
         return $resultpage;
     }
 
@@ -240,6 +217,11 @@ class MetaGerSearch extends Controller
 
         $result["finished"] = $finished;
 
+        if($newResults > 0){
+            $registry = \Prometheus\CollectorRegistry::getDefault();
+            $counter = $registry->getOrRegisterCounter('metager', 'result_counter', 'counts total number of returned results', []);
+            $counter->incBy($newResults);
+        }
         // Update new Engines
         Cache::put("loader_" . $metager->getSearchUid(), $metager->getEngines(), 1 * 60);
         return response()->json($result);