adapting classes to new interfaces

Export/Aggregator/ReasonAggregator.php

@@ -23,6 +23,7 @@ use Symfony\Component\Form\FormBuilderInterface;
 use Doctrine\ORM\QueryBuilder;
 use Chill\MainBundle\Export\AggregatorInterface;
 use Symfony\Component\Security\Core\Role\Role;
+use Chill\ActivityBundle\Security\Authorization\ActivityVoter;
 
 /**
  * 
@@ -86,9 +87,28 @@ class ReasonAggregator implements AggregatorInterface
         return "Aggregate by activity reason";
     }
     
-    public function requiredRole()
+    public function addRole()
     {
-        return new Role('dummy');
+        return new Role(ActivityVoter::SEE);
+    }
+
+    public function getLabels($key, array $values, $data)
+    {
+        return array_combine($values, $values);
+        
+    }
+
+    public function getQueryKeys($data)
+    {
+        // add select element
+        if ($data['level'] === 'reason') {
+            return array('activity_reason_id');
+        } elseif ($data['level'] === 'category') {
+            return array ('activity_category_id');
+        } else {
+            throw new \RuntimeException('the data provided are not recognised');
+        }
+        
     }
 
 }