New admin.list.extendRecords event (#989)

app/admin/actions/ListController.php

@@ -199,6 +199,10 @@ public function makeList($alias)
             $this->controller->listExtendQuery($query, $alias);
         });
 
+        $widget->bindEvent('list.extendRecords', function ($records) use ($alias) {
+            return $this->controller->listExtendRecords($records, $alias);
+        });
+
         $widget->bindEvent('list.overrideColumnValue', function ($record, $column, $value) use ($alias) {
             return $this->controller->listOverrideColumnValue($record, $column, $alias);
         });

app/admin/traits/ListExtendable.php

@@ -51,6 +51,15 @@ public function listExtendQuery($query, $alias = null)
     {
     }
 
+    /**
+     * listExtendRecords controller override: Extend the records used for populating the list
+     * after the query is processed.
+     * @param Illuminate\Contracts\Pagination\LengthAwarePaginator|Illuminate\Database\Eloquent\Collection $records
+     */
+    public function listExtendRecords($records, $alias = null)
+    {
+    }
+
     /**
      * Controller override: Extend the query used for populating the filter
      * options before the default query is processed.

app/admin/widgets/Lists.php

@@ -410,6 +410,10 @@ protected function getRecords()
             $records = $model->get();
         }
 
+        if ($event = $this->fireSystemEvent('admin.list.extendRecords', [&$records])) {
+            $records = $event;
+        }
+
         return $this->records = $records;
     }