Merge branch 'master' into openid

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

diff --git a/app/models/message.rb b/app/models/message.rb
index 464c5502837b56c5ffdf409ff32288f6b5779cac..053c7a4c0fffaa4382ce6bab58bb6ed73ffef300 100644 (file)
--- a/app/models/message.rb
+++ b/app/models/message.rb
@@ -7,6 +7,15 @@ class Message < ActiveRecord::Base
   validates_presence_of :title, :body, :sent_on, :sender, :recipient
   validates_length_of :title, :within => 1..255
   validates_inclusion_of :message_read, :in => [ true, false ]
-  validates_associated :sender, :recipient
   validates_as_utf8 :title
+
+  def digest
+    md5 = Digest::MD5.new
+    md5 << from_user_id.to_s
+    md5 << to_user_id.to_s
+    md5 << sent_on.xmlschema
+    md5 << title
+    md5 << body
+    md5.hexdigest
+  end
 end