Merge pull request #816 from api-platform/datefilter-code-dupe

Remove duplicate code in DateFilter

src/Bridge/Doctrine/Orm/Filter/DateFilter.php

@@ -85,17 +85,7 @@ protected function filterProperty(string $property, $values, QueryBuilder $query
         $field = $property;
 
         if ($this->isPropertyNested($property)) {
-            $propertyParts = $this->splitPropertyParts($property);
-
-            $parentAlias = $alias;
-
-            foreach ($propertyParts['associations'] as $association) {
-                $alias = $queryNameGenerator->generateJoinAlias($association);
-                $queryBuilder->join(sprintf('%s.%s', $parentAlias, $association), $alias);
-                $parentAlias = $alias;
-            }
-
-            $field = $propertyParts['field'];
+            list($alias, $field) = $this->addJoinsForNestedProperty($property, $alias, $queryBuilder, $queryNameGenerator);
         }
 
         $nullManagement = isset($this->properties[$property]) ? $this->properties[$property] : null;