In OPTIONS responses, indicate include support

Leifur Halldor Asgeirsson · Leifur Halldor Asgeirsson · commit 028e7e6fd253 · 2015-10-08T16:49:15.000-04:00
In the body of responses to OPTIONS requests, add an attribute
'allows_include' to related fields indicating whether the endpoint
supports including this resource via the include parameter.
diff --git a/rest_framework_json_api/metadata.py b/rest_framework_json_api/metadata.py
@@ -131,4 +131,7 @@ def get_field_info(self, field):
                 for choice_value, choice_name in field.choices.items()
             ]
 
+        if hasattr(serializer, 'included_serializers') and 'relationship_resource' in field_info:
+            field_info['allows_include'] = field.field_name in serializer.included_serializers
+
         return field_info

Original file line number	Diff line number	Diff line change
`@@ -131,4 +131,7 @@ def get_field_info(self, field):`
`131`	`131`	`for choice_value, choice_name in field.choices.items()`
`132`	`132`	`]`
`133`	`133`
	`134`	`+ if hasattr(serializer, 'included_serializers') and 'relationship_resource' in field_info:`
	`135`	`+ field_info['allows_include'] = field.field_name in serializer.included_serializers`
	`136`	`+`
`134`	`137`	`return field_info`