potential fix for #2900: Post Versions JSON API failure - undefined method join

2017-02-27 15:22:15 -08:00
parent 398f58684f
commit 16cd879e08
1 changed files with 2 additions and 0 deletions
--- a/app/models/post_archive.rb
+++ b/app/models/post_archive.rb
@@ -221,6 +221,8 @@ class PostArchive < ActiveRecord::Base

    if previous
      delta[:unchanged_tags] = tag_array & previous.tag_array
+    else
+      delta[:unchanged_tags] = []
    end

    delta