Refactor calculation of zoom level based on a scale

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

diff --git a/app/models/message.rb b/app/models/message.rb
index 590e3e35780308425fe7c61c46e934d7a16ac70d..0b34160030f980dc41a84f3db1ec47a53627ae10 100644 (file)
--- a/app/models/message.rb
+++ b/app/models/message.rb
@@ -1,2 +1,23 @@
+require 'validators'
+
 class Message < ActiveRecord::Base
+  belongs_to :sender, :class_name => "User", :foreign_key => :from_user_id
+  belongs_to :recipient, :class_name => "User", :foreign_key => :to_user_id
+
+  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_as_utf8 :title
+
+  attr_accessible :title, :body
+
+  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