exports: create new aggregator tests + minor corrections in aggregators

src/Bundle/ChillActivityBundle/Export/Aggregator/ACPAggregators/DateAggregator.php

@@ -50,18 +50,15 @@ class DateAggregator implements AggregatorInterface
         switch ($data['frequency']) {
             case 'month':
                 $fmt = 'MM';
-
-break;
+                break;
 
             case 'week':
                 $fmt = 'IW';
-
-break;
+                break;
 
             case 'year':
                 $fmt = 'YYYY'; $order = 'DESC';
-
-break; // order DESC does not works !
+                break; // order DESC does not works !
 
             default:
                 throw new RuntimeException(sprintf("The frequency data '%s' is invalid.", $data['frequency']));

src/Bundle/ChillActivityBundle/Export/Aggregator/PersonAggregators/ActivityReasonAggregator.php

@@ -55,10 +55,10 @@ class ActivityReasonAggregator implements AggregatorInterface, ExportElementVali
     {
         // add select element
         if ('reasons' === $data['level']) {
-            $elem = 'reasons.id';
+            $elem = 'actreasons.id';
             $alias = 'activity_reasons_id';
         } elseif ('categories' === $data['level']) {
-            $elem = 'category.id';
+            $elem = 'actreasoncat.id';
             $alias = 'activity_categories_id';
         } else {
             throw new RuntimeException('The data provided are not recognized.');