Refactor bounding box code

[rails.git] / app / models / diary_comment.rb

diff --git a/app/models/diary_comment.rb b/app/models/diary_comment.rb
index aaf48be4fdcc8c9f200b41efceabfc74e8058f09..0013606d06b55afa885306e38b7777f16518016b 100644 (file)
--- a/app/models/diary_comment.rb
+++ b/app/models/diary_comment.rb
@@ -4,4 +4,13 @@ class DiaryComment < ActiveRecord::Base
 
   validates_presence_of :body
   validates_associated :diary_entry
+
+  def digest
+    md5 = Digest::MD5.new
+    md5 << diary_entry_id.to_s
+    md5 << user_id.to_s
+    md5 << created_at.xmlschema
+    md5 << body
+    md5.hexdigest
+  end
 end