Reference Importer | return errors and added

Author: snyaggarwal

core/importers/models.py

@@ -673,7 +673,7 @@ def process(self):
 
         if collection:
             if collection.has_edit_access(self.user):
-                (added_references, _) = collection.add_expressions(
+                added_references, errors = collection.add_expressions(
                     self.get('data'), self.user, self.get('__cascade', False)
                 )
                 if self.index_resources and not get(settings, 'TEST_MODE', False):  # pragma: no cover
@@ -689,7 +689,12 @@ def process(self):
                     if mapping_ids:
                         batch_index_resources.apply_async(
                             ('mapping', {'id__in': mapping_ids}), queue='indexing', permanent=False)
-
+                if errors:
+                    return {
+                        'errors': errors,
+                        'added_references_expressions': [ref.expression for ref in
+                                                         added_references] if added_references else []
+                    }
                 return CREATED
             return PERMISSION_DENIED
         return NOT_FOUND