FIX: Featuring topics wasn't happy with concurrency.

2016-05-03 14:24:50 -04:00 · 2016-05-03 14:24:50 -04:00 · 2cc6efba8c
parent 26964a72ca
commit 2cc6efba8c
1 changed files with 5 additions and 1 deletions
--- a/app/models/category_featured_topic.rb
+++ b/app/models/category_featured_topic.rb
@ -40,7 +40,11 @@ class CategoryFeaturedTopic < ActiveRecord::Base
      CategoryFeaturedTopic.delete_all(category_id: c.id)
      if results
        results.each_with_index do |topic_id, idx|
+          begin
            c.category_featured_topics.create(topic_id: topic_id, rank: idx)
+          rescue PG::UniqueViolation
+            # If another process features this topic, just ignore it
+          end
        end
      end
    end