From fa6d86e8829d1af9bd2f0adb1e52478aae2956c5 Mon Sep 17 00:00:00 2001
From: Albert Yi <albert@carbonfive.com>
Date: Tue, 8 Jan 2019 14:49:47 -0800
Subject: [PATCH] handle error case for recommendation service

---
 app/models/recommender_service.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/models/recommender_service.rb b/app/models/recommender_service.rb
index efca7d476..3a7bf4395 100644
--- a/app/models/recommender_service.rb
+++ b/app/models/recommender_service.rb
@@ -46,6 +46,9 @@ module RecommenderService
       )
       JSON.parse(resp.body)
     end
+    if ids == "error"
+      return []
+    end
     Post.find(ids.reject {|x| x[0] == post_id}.map(&:first))
   end