Initial import

app/models/message.rb

@@ -0,0 +1,39 @@
+# Engenharia de Software 2007.1
+# Copyright (C) 2007, Adriano, Alinson, Andre, Rafael e Bustamante
+# 
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+class Message < ActiveRecord::Base
+	acts_as_paranoid
+	belongs_to :user,   :foreign_key => "sender_id"
+end
+
+
+class PrivateMessage < Message
+end
+
+
+class News < Message
+	validates_presence_of :title
+	belongs_to :course, :foreign_key => "receiver_id"
+end
+
+
+class ShoutboxMessage < Message
+end
+
+
+class CourseShoutboxMessage < ShoutboxMessage
+end
+
+
+class UserShoutboxMessage < ShoutboxMessage
+end