Initial import

app/models/course.rb

@@ -0,0 +1,56 @@
+# 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 Course < ActiveRecord::Base
+
+	has_many :attachments, :order => "file_name"
+	has_many :wiki_pages, :order => "position"
+	
+	has_many :shoutbox_messages,
+	         :class_name => 'CourseShoutboxMessage',
+	         :foreign_key => "receiver_id",
+			 :order => 'id desc'
+
+	has_many :news,
+			 :class_name => 'News',
+	         :foreign_key => "receiver_id",
+			 :order => 'id desc'
+
+	has_many :events, :order => "date asc, time asc"
+
+	has_many :log_entries, :order => "created_at desc"
+
+	generate_validations
+	validates_uniqueness_of :short_name
+	validates_format_of :short_name, :with => /^[^0-9]/
+	
+	def after_create
+		App.inital_wiki_pages.each do |page_title|
+			wiki_page = WikiPage.new(:title => page_title, :version => 1, :content => App.initial_wiki_page_content)
+			self.wiki_pages << wiki_page
+		end
+	end
+
+	def after_destroy
+		associations = [:attachments, :wiki_pages, :shoutbox_messages, :news, :events]
+		associations.each do |assoc|
+			send("#{assoc}").each do |record|
+				record.destroy
+			end
+		end
+	end
+
+	def to_param
+		self.short_name
+	end
+end