From 33e32f5ad5407f47d34108fb35ef053a811d06ab Mon Sep 17 00:00:00 2001
From: Martin Fenner <martin.fenner@datacite.org>
Date: Tue, 21 Apr 2020 12:13:17 +0200
Subject: [PATCH] opt-out showing related-identifiers in api. #482

---
 app/controllers/dois_controller.rb | 2 ++
 app/serializers/doi_serializer.rb  | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/controllers/dois_controller.rb b/app/controllers/dois_controller.rb
index b92e6dece..521f824ab 100644
--- a/app/controllers/dois_controller.rb
+++ b/app/controllers/dois_controller.rb
@@ -244,6 +244,7 @@ def index
             options[:params] = {
               current_ability: current_ability,
               detail: params[:detail],
+              composite: params[:composite],
               affiliation: params[:affiliation],
               is_collection: options[:is_collection],
             }
@@ -292,6 +293,7 @@ def show
         options[:params] = {
           current_ability: current_ability,
           detail: true,
+          composite: nil,
           affiliation: params[:affiliation],
         }
 
diff --git a/app/serializers/doi_serializer.rb b/app/serializers/doi_serializer.rb
index f104b9a36..0dcd355cc 100644
--- a/app/serializers/doi_serializer.rb
+++ b/app/serializers/doi_serializer.rb
@@ -72,7 +72,7 @@ class DoiSerializer
     Array.wrap(object.identifiers)
   end
 
-  attribute :related_identifiers do |object|
+  attribute :related_identifiers, if: Proc.new { |object, params| params && params[:composite].blank? } do |object|
     Array.wrap(object.related_identifiers)
   end