fixed an issue with bad serialization

Author: einorler

Profiler/ElasticsearchProfiler.php

@@ -173,7 +173,7 @@ private function handleRecords($route, $records)
     private function addQuery($route, $record, $queryBody)
     {
         parse_str(parse_url($record['context']['uri'], PHP_URL_QUERY), $httpParameters);
-        $body = json_decode(trim($queryBody, " '\r\t\n"), true);
+        $body = json_decode(trim($queryBody, " '\r\t\n"));
         $this->queries[$route][] = array_merge(
             [
                 'body' => $body !== null ? json_encode($body, JSON_PRETTY_PRINT) : '',

Tests/Functional/Profiler/ElasticsearchProfilerTest.php

@@ -13,6 +13,8 @@
 
 use ONGR\ElasticsearchBundle\Profiler\ElasticsearchProfiler;
 use ONGR\ElasticsearchBundle\Tests\app\fixture\Acme\BarBundle\Document\Product;
+use ONGR\ElasticsearchDSL\Aggregation\GlobalAggregation;
+use ONGR\ElasticsearchDSL\Query\MatchAllQuery;
 use ONGR\ElasticsearchDSL\Query\TermQuery;
 use ONGR\ElasticsearchBundle\Service\Repository;
 use ONGR\ElasticsearchBundle\Test\AbstractElasticsearchTestCase;
@@ -161,4 +163,22 @@ private function getCollector()
 
         return $collector;
     }
+
+    public function testMatchAllQuery()
+    {
+        $manager = $this->getManager();
+
+        $repository = $manager->getRepository('AcmeBarBundle:Product');
+        $search = $repository
+            ->createSearch()
+            ->addAggregation(new GlobalAggregation('g'));
+        $repository->execute($search);
+
+        $queries = $this->getCollector()->getQueries();
+        $lastQuery = end($queries[ElasticsearchProfiler::UNDEFINED_ROUTE]);
+        $this->checkQueryParameters($lastQuery);
+        $lastQuery['body'] = trim(preg_replace('/\s+/', '', $lastQuery['body']));
+
+        $this->assertEquals('{"aggregations":{"g":{"global":{}}}}', $lastQuery['body']);
+    }
 }