Add language support to sorts (#747)

Author: pavlosdan

modules/graphql_core/src/Plugin/GraphQL/Fields/EntityQuery/EntityQuery.php

@@ -255,7 +255,8 @@ protected function applySort(QueryInterface $query, $sort) {
     if (!empty($sort) && is_array($sort)) {
       foreach ($sort as $item) {
         $direction = !empty($item['direction']) ? $item['direction'] : 'DESC';
-        $query->sort($item['field'], $direction);
+        $language = !empty($item['language']) ? $item['language'] : null;
+        $query->sort($item['field'], $direction, $language);
       }
     }
 
@@ -282,7 +283,7 @@ protected function applyFilter(QueryInterface $query, $filter) {
       $filterConditions = $this->buildFilterConditions($query, $filter);
       if (count($filterConditions->conditions())) {
         $query->condition($filterConditions);
-      }      
+      }
     }
 
     return $query;
@@ -313,7 +314,7 @@ protected function buildFilterConditions(QueryInterface $query, array $filter) {
       if (isset($condition['enabled']) && empty($condition['enabled'])) {
         continue;
       }
-      
+
       $field = $condition['field'];
       $value = !empty($condition['value']) ? $condition['value'] : NULL;
       $operator = !empty($condition['operator']) ? $condition['operator'] : NULL;
@@ -364,7 +365,7 @@ protected function buildFilterConditions(QueryInterface $query, array $filter) {
       $filterConditions = $this->buildFilterConditions($query, $args);
       if (count($filterConditions->conditions())) {
         $group->condition($filterConditions);
-      }      
+      }
     }
 
     return $group;

modules/graphql_core/src/Plugin/GraphQL/InputTypes/EntityQuery/EntityQuerySortInput.php

@@ -13,7 +13,8 @@
  *     "direction" = {
  *       "type" = "SortOrder",
  *       "default" = "DESC"
- *     }
+ *     },
+ *     "language" = "LanguageId"
  *   }
  * )
  */