1 files changed, 29 insertions, 0 deletions
diff --git a/app/graphql/resolvers/group_members/notification_email_resolver.rb b/app/graphql/resolvers/group_members/notification_email_resolver.rb
new file mode 100644
index 00000000000..6cff4fbf531
--- /dev/null
+++ b/app/graphql/resolvers/group_members/notification_email_resolver.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+module Resolvers
+  module GroupMembers
+    class NotificationEmailResolver < BaseResolver
+      include Gitlab::Graphql::Authorize::AuthorizeResource
+
+      type GraphQL::Types::String, null: true
+
+      def resolve
+        authorize!
+
+        BatchLoader::GraphQL.for(object.user_id).batch do |user_ids, loader|
+          User.find(user_ids).each do |user|
+            loader.call(user.id, user.notification_email_for(object.group))
+          end
+        end
+      end
+
+      def authorize!
+        raise_resource_not_available_error! unless user_is_admin?
+      end
+
+      def user_is_admin?
+        context[:current_user].present? && context[:current_user].can_admin_all_resources?
+      end
+    end
+  end
+end