Initial import

app/controllers/news_controller.rb

@@ -0,0 +1,111 @@
+# 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 NewsController < ApplicationController
+
+	# GETs should be safe (see http://www.w3.org/2001/tag/doc/whenToUseGet.html)
+	#verify :method => :post, :only => [ :destroy, :create, :update ],
+	#	:redirect_to => { :action => :list }
+
+	before_filter :find_new, :except => [ :undelete ]
+	after_filter :cache_sweep, :only => [ :create, :update, :destroy ]
+
+	def index
+		@news = @course.news
+		respond_to do |format|
+			format.html
+			format.xml { render :xml => @news }
+			format.rss { response.content_type = Mime::RSS }
+		end
+	end
+
+	def show
+		respond_to do |format|
+			format.html
+			format.xml { render :xml => @news }
+		end
+	end
+
+	def new
+	end
+
+	def create
+		@news.receiver_id = @course.id
+		@news.sender_id = session[:user_id]
+		@news.timestamp = Time.now.utc
+		@news.save!
+		flash[:notice] = 'News created'[]
+
+		NewsCreateLogEntry.create!(:target_id => @news.id, :user => @current_user, :course => @course)
+
+		respond_to do |format|
+			format.html { redirect_to course_news_path(@course, @news) }
+			format.xml { head :created, :location => formatted_course_news_url(@course, @news, :xml) }
+		end
+	end
+
+	def edit
+	end
+
+	def update
+		@news.attributes = params[:news]
+		@news.save!
+		flash[:notice] = 'News updated'[]
+
+		NewsEditLogEntry.create!(:target_id => @news.id, :user => @current_user, :course => @course)
+
+		respond_to do |format|
+			format.html { redirect_to course_news_path(@course, @news) }
+			format.xml { head :created, :location => formatted_course_news_url(@course, @news, :xml) }
+		end
+	end
+
+	def destroy
+		@news.destroy
+		flash[:notice] = 'News removed'[]
+		flash[:undo] = undelete_course_news_url(@course, @news)
+
+		NewsDeleteLogEntry.create!(:target_id => @news.id, :user => @current_user, :course => @course)
+
+		respond_to do |format|
+			format.html { redirect_to course_news_index_path(@course) }
+			format.xml { head :ok }
+		end
+	end
+
+	def undelete
+		@news = News.find_with_deleted(params[:id])
+		@news.update_attribute(:deleted_at, nil)
+		flash[:notice] = "News restored"[]
+
+		NewsRestoreLogEntry.create!(:target_id => @news.id, :user => @current_user, :course => @course)
+		
+		respond_to do |format|
+			format.html { redirect_to course_news_url(@news.course, @news) }
+		end
+	end
+
+
+	protected
+	def find_new
+		params[:course_id] = Course.find_by_short_name(params[:course_id]).id if !params[:course_id].is_numeric? and !Course.find_by_short_name(params[:course_id]).nil?
+		@course = Course.find(params[:course_id])
+
+		@news = params[:id] ? @course.news.find(params[:id]) : News.new(params[:news])
+	end
+
+	def cache_sweep
+		expire_fragment(:controller => 'courses', :action => 'show', :part => 'right')
+		expire_fragment(:action => 'index')
+	end
+end