Fix JSON serialization of media_attachment (#4111)

diff --git a/app/serializers/rest/media_attachment_serializer.rb b/app/serializers/rest/media_attachment_serializer.rb
index 9b07a686ef346a6600ed3e4820e466b2079eb45f..9055b8db478732ec1b38cc7fcb17757bd1a8868f 100644 (file)
--- a/app/serializers/rest/media_attachment_serializer.rb
+++ b/app/serializers/rest/media_attachment_serializer.rb
@@ -15,7 +15,7 @@ class REST::MediaAttachmentSerializer < ActiveModel::Serializer
   end
 
   def text_url
-    medium_url(object.id)
+    object.local? ? medium_url(object) : nil
   end
 
   def meta