Merge pull request #9676 from opf/fix/eager_load_for_notifications

add simple eager loading to the notifications api

lib/api/v3/notifications/notification_representer.rb

@@ -100,6 +100,10 @@ module API
           'Notification'
         end
 
+        self.to_eager_load = [:project,
+                              :actor,
+                              { journal: %i[attachable_journals customizable_journals] }]
+
         ##
         # For notifications, we want to skip the initial journal
         # as the information is not that useful

lib/api/v3/notifications/notifications_api.rb

@@ -45,7 +45,9 @@ module API
             def notification_scope
               ::Notification
                 .recipient(current_user)
-                .where.not(reason_ian: nil)
+                .includes(NotificationRepresenter.to_eager_load)
+                .where
+                .not(reason_ian: nil)
             end
 
             def bulk_update_status(attributes)