Fix sortable when there's no record

2013-06-13 14:33:15 +08:00 · 2013-06-13 14:33:15 +08:00 · c1bd135595
parent 96fc5ceea3
commit c1bd135595
1 changed files with 1 additions and 1 deletions
--- a/app/models/mongoid/sortable.rb
+++ b/app/models/mongoid/sortable.rb
@ -23,7 +23,7 @@ module Mongoid
    def set_sort_number
      if self.new? && self.sort_number.nil?
        last_record = self.class.desc(:sort_number).first
-        if last_record.sort_number
+        if last_record && last_record.sort_number
          self.sort_number = (last_record.sort_number + 10) / 10 * 10
        else
          self.sort_number = 10