From 4cf9f56af7742493973f350dc9fee18df2b0ee1f Mon Sep 17 00:00:00 2001
From: Martin Fenner <martin.fenner@datacite.org>
Date: Sat, 20 Jul 2019 09:40:19 +0200
Subject: [PATCH] make sure rights_list is an array. #309

---
 app/serializers/doi_serializer.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/app/serializers/doi_serializer.rb b/app/serializers/doi_serializer.rb
index bb68b5c4d..ef13fe9bf 100644
--- a/app/serializers/doi_serializer.rb
+++ b/app/serializers/doi_serializer.rb
@@ -53,6 +53,10 @@ class DoiSerializer
     end.compact
   end
 
+  attribute :rights_list do |object|
+    Array.wrap(object.rights_list)
+  end
+
   attribute :state do |object|
     object.aasm_state
   end