Serialize polymorphic id like a composite FK

2026-01-25 07:16:49 +00:00 · 2011-12-12 14:41:34 +01:00
parent 638614ffde
commit 1e32090477
2 changed files with 34 additions and 1 deletions
--- a/lib/active_model/serializer.rb
+++ b/lib/active_model/serializer.rb
@@ -112,7 +112,16 @@ module ActiveModel
        end

        def serialize_ids(object, scope)
-          object && object.read_attribute_for_serialization(:id)
+          return unless object
+
+          if polymorphic?
+            { 
+              :id => object.read_attribute_for_serialization(:id),
+              "#{name}_type".to_sym => object.class.to_s.split('::').last
+            }
+          else
+            object.read_attribute_for_serialization(:id)
+          end
        end
      end
    end