Fixed a bug in date handling

Author: Bertrand Dunogier

GraphQL/Resolver/DateResolver.php

@@ -6,11 +6,18 @@
 
 class DateResolver
 {
-    public function resolveDateToFormat(string $format, DateTime $date = null)
+    public function resolveDateToFormat($date, $args)
     {
-        if ($date === null) {
-            return $date;
+        if (!$date instanceof DateTime) {
+            return null;
+        }
+
+        if (isset($args['pattern'])) {
+            return $date->format($args['pattern']);
+        }
+
+        if (isset($args['constant'])) {
+            return $date->format($args['constant']);
         }
-        return $date->format($format);
     }
 }

Resources/config/graphql/Base.types.yml

@@ -25,9 +25,9 @@ DateTime:
                 description: "Date formatted with a date() format"
                 resolve: "@=resolver('DateTimeFormat', [value, args])"
                 args:
-                    format:
+                    pattern:
                         type: "String"
-                        description: "A format compatible with date()"
+                        description: "A pattern compatible with date()"
                     constant:
                         type: DateFormatConstant
             timestamp: