Redundancy filter

app/controller/stats.php

@@ -101,17 +101,12 @@ class StatsController extends BaseController
 
 			$referrers = HitsModel::getReferrers($start, $end);
 
-			$refar = [];
-			foreach ($referrers as $ref) {
-				$refar[] = $ref->get('referrer');
-			}
-
             return json([
                 'code' => 200,
                 'data' => $data,
 				'counts' => $count_total,
 				'count_total' => $count_total[HitsModel::HITTYPE_MODULE_APP] + $count_total[HitsModel::HITTYPE_MODULE_SERVER] + $count_total[HitsModel::HITTYPE_MODULE_USER] + $count_total[HitsModel::HITTYPE_MODULE_WORKSHOP] + $count_total[HitsModel::HITTYPE_MODULE_GROUP],
-                'referrers' => $refar,
+                'referrers' => $referrers,
 				'start' => $start,
 				'end' => $end,
 				'day_diff' => $dayDiff

app/models/HitsModel.php

@@ -92,11 +92,20 @@ class HitsModel extends \Asatru\Database\Model
     public static function getReferrers($start, $end)
     {
         try {
-            $result = HitsModel::raw('SELECT DISTINCT referrer FROM `' . self::tableName() . '` WHERE DATE(created_at) >= ? AND DATE(created_at) <= ? ORDER BY referrer ASC', [
+            $items = HitsModel::raw('SELECT DISTINCT referrer FROM `' . self::tableName() . '` WHERE DATE(created_at) >= ? AND DATE(created_at) <= ? ORDER BY referrer ASC', [
                 $start,
                 $end
             ]);
 
+            $result = [];
+
+            foreach ($items as $item) {
+                $furl = parse_url($item->get('referrer'), PHP_URL_HOST);
+                if (!in_array($furl, $result)) {
+                    $result[] = $furl;
+                }
+            }
+
             return $result;
         } catch (\Exception $e) {
             throw $e;

app/resources/js/app.js

@@ -214,9 +214,11 @@ window.vue = new Vue({
 
                         let refcode = '<ul>';
                         response.referrers.forEach(function(referrer, index) {
+                            if (referrer !== null) {
                                 if (referrer.length > 0) {
                                     refcode += '<li>' + referrer + '</li>';
                                 }
+                            }
                         });
                         refcode += '</ul>';