Initial import

2008-03-02 16:04:34 -03:00
commit 5e4951fa47
798 changed files with 59730 additions and 0 deletions
--- a/app/controllers/application.rb
+++ b/app/controllers/application.rb
@@ -0,0 +1,73 @@
+# 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.
+
+require 'yaml'
+
+class ApplicationController < ActionController::Base
+
+	include AuthenticationSystem
+
+	before_filter :startup
+	around_filter :set_timezone
+	
+	# Força o login para algumas áreas do sistema
+	before_filter :require_login, :only => [ :edit, :new, :create, :update, :delete, :destroy, :download ]
+
+	protected
+	def rescue_action(exception)
+		# Acesso negado
+		if exception.is_a?(AccessDenied)
+			respond_to do |format|
+				format.html { render :file => "#{RAILS_ROOT}/public/401.html", :status => 401 }
+				format.xml { head 401 }
+			end
+
+		# Erro de validacao
+		elsif exception.is_a?(ActiveRecord::RecordInvalid)
+			respond_to do |format|
+				format.html { render :action => (exception.record.new_record? ? 'new' : 'edit') }
+				format.xml { render :xml => exception.record.errors, :status => :unprocessable_entity }
+			end
+
+		# Registro nao encontrado
+		elsif (RAILS_ENV == 'production') and exception.is_a?(ActiveRecord::RecordNotFound)
+			respond_to do |format|
+				format.html { render :file => "#{RAILS_ROOT}/public/404.html", :status => 404 }
+				format.xml { head 404 }
+			end
+
+		# Outras excecoes
+		else
+			super
+		end
+	end
+
+	def set_timezone
+		#TzTime.zone = session[:user].tz
+		TzTime.zone = TZInfo::Timezone.get("America/Fortaleza")
+		yield
+		TzTime.reset!
+	end	
+
+	def startup
+		if session[:user_id]
+			@current_user = User.find(session[:user_id])
+		else
+			login_by_token
+		end
+
+		@color = App.default_color
+		@color = @current_user.pref_color if @current_user
+		@color = params[:color].to_i if params[:color]
+	end
+end
--- a/app/controllers/attachments_controller.rb
+++ b/app/controllers/attachments_controller.rb
@@ -0,0 +1,105 @@
+# 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 AttachmentsController < ApplicationController
+
+	#verify :method => :post, :only => [ :destroy, :create, :update ],
+	#	:redirect_to => { :controller => 'courses', :action => :show }
+
+	before_filter :find_attachment, :except => [ :undelete ]
+	after_filter :cache_sweep, :only => [ :create, :update, :destroy ]
+	
+	def show
+	end
+
+	def new
+	end
+
+	def create
+		@attachment.course_id = @course.id
+		@attachment.description = params[:attachment][:description]
+		unless params[:attachment][:file].kind_of?(String)
+			@attachment.file = params[:attachment][:file]
+			@attachment.file_name = params[:attachment][:file].original_filename
+			@attachment.content_type = params[:attachment][:file].content_type
+		end
+
+		# Verifica se o arquivo ja esta associado a outro anexo
+		#file_path = "#{RAILS_ROOT}/public/upload/#{@course.id}/#{@attachment.file_name}"
+		#@attachment.errors.add("file", "already exists") if File.exists?(file_path)
+
+		if @attachment.save
+			AttachmentCreateLogEntry.create!(:target_id => @attachment.id, :user => @current_user, :course => @course)
+			flash[:notice] = 'Attachment created'[]
+			redirect_to :action => 'show', :id => @attachment.id
+		else
+			render :action => 'new'
+		end
+	end
+
+	def edit
+	end
+
+	def update
+		@attachment.description = params[:attachment][:description]
+		unless params[:attachment][:file].kind_of?(String)
+			@attachment.file = params[:attachment][:file]
+			@attachment.file_name = params[:attachment][:file].original_filename
+			@attachment.content_type = params[:attachment][:file].content_type
+		end
+
+		if @attachment.save
+			AttachmentEditLogEntry.create!(:target_id => @attachment.id, :user => @current_user, :course => @course)
+			@attachment.last_modified = Time.now.utc
+			flash[:notice] = 'Attachment updated'[]
+			redirect_to :action => 'show', :id => @attachment.id
+		else
+			render :action => 'edit'
+		end
+	end
+
+	def destroy
+		@attachment.destroy
+		flash[:notice] = 'Attachment removed'[]
+		flash[:undo] = undelete_course_attachment_url(@course, @attachment)
+		AttachmentDeleteLogEntry.create!(:target_id => @attachment.id, :user => @current_user, :course => @course)
+		redirect_to :controller => 'courses', :action => 'show', :id => @course
+	end
+
+	def download
+		send_file("#{RAILS_ROOT}/public/upload/#{@course.id}/#{@attachment.id}",
+				:filename    =>  @attachment.file_name,
+				:type        =>  @attachment.content_type,
+				:disposition =>  'attachment',
+				:streaming   =>  'true')
+	end
+
+	def undelete
+		@attachment = Attachment.find_with_deleted(params[:id])
+		@attachment.update_attribute(:deleted_at, nil)
+		flash[:notice] = 'Attachment restored'[]
+		AttachmentRestoreLogEntry.create!(:target_id => @attachment.id, :user => @current_user, :course => @course)
+		redirect_to course_attachment_url(@attachment.course, @attachment)
+	end
+
+	protected
+	def find_attachment
+		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])
+		@attachment = params[:id] ? @course.attachments.find(params[:id]) : Attachment.new
+	end
+
+	def cache_sweep
+		expire_fragment(:controller => 'courses', :action => 'show')
+	end
+end
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -0,0 +1,112 @@
+# 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 CoursesController < ApplicationController
+
+	before_filter :find_course, :except => [ :index ]
+	before_filter :require_admin, :only => [ :new, :create, :edit, :update, :destroy ]
+	before_filter :require_login, :only => [ :enroll, :unenroll ]
+	after_filter :cache_sweep, :only => [ :create, :update, :destroy ]
+
+	def index
+		@courses = Course.find(:all,
+			:order => 'period asc, full_name asc',
+			:conditions => (logged_in? and !@current_user.courses.empty? ? [ 'id not in (?)', @current_user.courses] : ''))
+
+		respond_to do |format|
+			format.html
+			format.xml { render :xml => @courses }
+		end
+	end
+
+	def show
+		respond_to do |format|
+			format.html
+			format.xml { render :xml => @course }
+		end
+	end
+	
+	def new
+	end
+
+	def create
+		@course.save!
+		flash[:notice] = 'Course created'[]
+
+		respond_to do |format|
+			format.html { redirect_to course_path(@course) }
+			format.xml { head :created, :location => formatted_course_url(@course, :xml) }
+		end
+	end
+
+	def edit
+	end
+
+	def update
+		@course.attributes = params[:course]
+		@course.save!
+
+		flash[:notice] = 'Course updated'[]
+		respond_to do |format|
+			format.html { redirect_to course_path(@course) }
+			format.xml { head :ok }
+		end
+	end
+
+	def destroy
+		@course.destroy
+		flash[:notice] = 'Course removed'[]
+
+		respond_to do |format|
+			format.html { redirect_to courses_path }
+			format.xml { head :ok }
+		end
+	end
+
+	def enroll
+		@current_user.courses << @course
+		flash[:highlight] = @course.id
+
+		respond_to do |format|
+			format.html { redirect_to courses_path }
+			format.xml { head :ok }
+		end
+	end
+
+	def unenroll
+		@current_user.courses.delete(@course)
+		flash[:highlight] = @course.id
+
+		respond_to do |format|
+			format.html { redirect_to courses_path }
+			format.xml { head :ok }
+		end
+	end
+
+	protected
+	def find_course
+		params[:id] = Course.find_by_short_name(params[:id]).id if params[:id] and !params[:id].is_numeric? and !Course.find_by_short_name(params[:id]).nil?
+		@course = params[:id] ? Course.find(params[:id]) : Course.new(params[:course])
+	end
+
+	def require_admin
+		raise AccessDenied.new unless admin?
+	end
+
+	def cache_sweep
+		expire_fragment(:action => 'show', :part => 'right')
+		expire_fragment(:action => 'show', :part => 'left')
+		expire_fragment(:action => 'show')
+		expire_fragment(:action => 'index')
+	end
+end
--- a/app/controllers/events_controller.rb
+++ b/app/controllers/events_controller.rb
@@ -0,0 +1,118 @@
+# 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 EventsController < ApplicationController
+
+	before_filter :find_event, :except => [ :mini_calendar, :undelete ]
+	after_filter :cache_sweep, :only => [ :create, :update, :destroy ]
+
+	def index
+		@events = @course.events
+
+		respond_to do |format|
+			format.html
+			format.xml { render :xml => @events }
+			format.ics { response.content_type = Mime::ICS; render :text => Event.to_ical([@course]) }
+		end
+	end
+
+	def show
+		respond_to do |format|
+			format.html
+			format.xml { render :xml => @event }
+		end
+	end
+
+	def new
+	end
+
+	def create
+		@event.course_id = @course.id
+		@event.created_by = session[:user_id]
+		@event.save!
+		flash[:notice] = 'Event created'[]
+        
+		EventCreateLogEntry.create!(:target_id => @event.id, :user => @current_user, :course => @course)
+
+		respond_to do |format|
+			format.html { redirect_to course_event_path(@course, @event) }
+			format.xml { head :created, :location => formatted_course_event_url(@course, @event, :xml) }
+		end
+	end
+
+	def edit
+	end
+
+	def update
+		@event.attributes = params[:event]
+		@event.save!
+		flash[:notice] = 'Event updated'[]
+
+		EventEditLogEntry.create!(:target_id => @event.id, :user => @current_user, :course => @course)
+
+		respond_to do |format|
+			format.html { redirect_to course_event_path(@course, @event) }
+			format.xml { head :created, :location => formatted_course_event_url(@course, @event, :xml) }
+		end
+	end
+
+	def destroy
+		@event.destroy
+		flash[:notice] = 'Event removed'[]
+		flash[:undo] = undelete_course_event_url(@course, @event)
+
+		EventDeleteLogEntry.create!(:target_id => @event.id, :user => @current_user, :course => @course)
+
+		respond_to do |format|
+			format.html { redirect_to course_events_path(@course) }
+			format.xml { head :ok }
+		end
+	end
+
+	# Exibe o widget do calendario
+	def mini_calendar
+		@course = Course.find(params[:id])
+		@year = params[:year].to_i
+		@month = params[:month].to_i
+
+		@ajax = true
+		@events = @course.events
+
+		render :template => 'widgets/calendario', :layout => false
+	end
+
+	def undelete
+		@event = Event.find_with_deleted(params[:id])
+		@event.update_attribute(:deleted_at, nil)
+		flash[:notice] = "Event restored"[]
+
+		EventRestoreLogEntry.create!(:target_id => @event.id, :user => @current_user, :course => @course)
+		
+		respond_to do |format|
+			format.html { redirect_to course_event_url(@event.course, @event) }
+		end
+	end
+
+
+	protected
+	def find_event
+		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])
+		@event = params[:id] ? @course.events.find(params[:id]) : Event.new(params[:event])
+	end
+
+	def cache_sweep
+		expire_fragment(:controller => 'courses', :action => 'show', :part => 'right')
+		expire_fragment(:action => 'index')
+	end
+end
--- a/app/controllers/log_controller.rb
+++ b/app/controllers/log_controller.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 LogController < ApplicationController
+
+	before_filter :find_course
+
+	def index
+		@log_entries = @course.log_entries.find(:all, :limit => 50) #.paginate(:page => params[:page], :per_page => 30)
+		respond_to do |format|
+			format.html
+		end
+	end
+
+	def undo
+		@log_entry = LogEntry.find(params[:id])
+		@log_entry.undo!(@current_user)
+
+		respond_to do |format|
+			format.html { redirect_to course_log_url }
+		end
+	end
+
+	protected
+	def find_course
+		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])
+	end
+end
--- a/app/controllers/news_controller.rb
+++ b/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
--- a/app/controllers/stylesheets_controller.rb
+++ b/app/controllers/stylesheets_controller.rb
@@ -0,0 +1,25 @@
+# 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 StylesheetsController < ApplicationController
+
+	layout nil
+	caches_page :wiki
+	before_filter :set_headers
+
+	private
+	def set_headers
+		response.content_type = Mime::CSS
+	end
+
+end
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -0,0 +1,143 @@
+# 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 UsersController < ApplicationController
+
+	before_filter :find_user, :only => [ :show, :edit, :update, :destroy, :signup ]
+	before_filter :require_login, :only => [ :settings ]
+	before_filter :require_admin, :only => [ :edit, :update, :destroy ]
+
+	def index
+		@users = User.find(:all, :order => 'name')
+
+		respond_to do |format|
+			format.html
+			format.xml { render :xml => @users }
+		end
+	end
+
+	def show
+		respond_to do |format|
+			format.html
+			format.xml { render :xml => @user }
+		end
+	end
+	
+	def edit
+	end
+
+	def update
+		raise AccessDenied.new unless (params[:user][:login] == @user.login)
+		raise AccessDenied.new unless (params[:user][:admin].nil? or @current_user.admin?)
+		@user.admin = !params[:user][:admin].nil?
+
+		@user.attributes = params[:user]
+		@user.save!
+		flash[:notice] = 'User account updated'[]
+
+		respond_to do |format|
+			format.html { redirect_to user_path(@user) }
+			format.xml { head :ok }
+		end
+	end
+
+	def destroy
+		@user.destroy
+		flash[:notice] = 'User account removed'[]
+
+		respond_to do |format|
+			format.html { redirect_to users_path }
+			format.xml { head :ok }
+		end
+	end
+
+	def signup
+		if request.post?
+			begin
+				@user.last_seen = Time.now.utc
+				@user.save!
+				setup_session(@user)
+				flash[:message] = 'User account created'[]
+				redirect_to user_path(@user)
+			rescue ActiveRecord::RecordInvalid
+				flash[:warning] = 'Não foi possível cadastrar a conta.'
+			end
+		end
+	end
+
+	def settings
+		@user = @current_user
+		if request.post?
+			@user.attributes = params[:user]
+			@user.save!
+			@color = @user.pref_color
+			flash[:message] = 'Settings updated'[]
+			redirect_to '/'
+		end
+	end
+
+	def login
+		if request.post?
+			@user = User.find_by_login_and_pass(params[:user][:login], params[:user][:password])
+			if !@user.nil?
+				setup_session(@user, (params[:remember_me] == "1"))
+				@user.update_attribute(:last_seen, Time.now.utc)
+				flash[:message] = 'Welcome back, {u}'[:login_success, @user.login]
+				redirect_to_stored
+			else
+				flash[:warning] = 'Login failed'
+			end
+		end
+	end
+
+	def logout
+		destroy_session
+		flash[:message] = 'You have logged out'[:logout_success]
+		redirect_to '/'
+	end
+
+	def dashboard
+		@news = []
+		@events = []
+
+		unless @current_user.courses.empty?
+			@news = News.find(:all, :conditions => [ 'receiver_id in (?)', @current_user.courses ],
+					:order => 'timestamp desc')
+			@events = Event.find(:all, :conditions => [ 'course_id in (?) and (date > ?) and (date < ?)',
+			@current_user.courses, 1.day.ago, 14.days.from_now ], :order => 'date, time')
+		end
+	end
+
+#	def forgot_password
+#		if request.post?
+#			u = User.find_by_email(params[:user][:email])
+#			if u and u.send_new_password
+#				flash[:message] = "Uma nova senha foi enviada para o seu email."
+#				redirect_to :action=>'login'
+#			else
+#				flash[:warning] = "Não foi possível gerar uma nova senha."
+#			end
+#		end
+#	end
+
+	#Funções do Fórum
+	protected
+	def find_user
+		params[:id] = User.find_by_login(params[:id]).id if params[:id] and !params[:id].is_numeric?
+		@user = params[:id] ? User.find(params[:id]) : User.new(params[:user])
+	end
+
+	def require_admin
+		raise AccessDenied.new unless admin? or @current_user == @user
+	end
+end
--- a/app/controllers/wiki_controller.rb
+++ b/app/controllers/wiki_controller.rb
@@ -0,0 +1,164 @@
+# 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 WikiController < ApplicationController
+
+	verify :params => :text, :only => :preview, :redirect_to => { :action => :show }
+	verify :params => [:from, :to], :only => :diff, :redirect_to => { :action => :versions }
+
+	after_filter :cache_sweep, :only => [ :create, :update, :destroy ]
+	before_filter :find_wiki, :except => [ :preview, :undelete ]
+	before_filter :require_login, :only => [ :new, :create, :edit, :update, :destroy,
+			:move_up, :move_down, :undelete ]
+
+	def index
+		@wiki_pages = @course.wiki_pages
+
+		respond_to do |format|
+			format.html { redirect_to course_url(@course) }
+			format.xml { render :xml => @wiki_pages }
+		end
+	end
+
+	def new
+	end
+
+	def create
+		@wiki_page.version = 1
+		@wiki_page.user_id = session[:user_id]
+		@wiki_page.course_id = @course.id
+		@wiki_page.description = "Nova página"
+		@wiki_page.save!
+		flash[:notice] = "Wiki page created"[]
+
+		WikiCreateLogEntry.create!(:target_id => @wiki_page.id, :user => @current_user, :course => @course)
+
+		respond_to do |format|
+			format.html { redirect_to course_wiki_path(@course, @wiki_page) }
+			format.xml { head :created, :location => formatted_course_wiki_url(@course, @wiki_page, :xml) }
+		end
+	end
+
+	def show
+		@wiki_page.revert_to(params[:version]) if params[:version]
+
+		respond_to do |format|
+			format.html
+			format.xml { render :xml => @wiki_page }
+			format.text { render :text => "# #{@wiki_page.title}\n\n#{@wiki_page.content}" }
+		end
+	end
+
+	def edit
+		@wiki_page.revert_to(params[:version]) if params[:version]
+		@wiki_page.description = params[:description] || ""
+	end
+
+	def update
+		@wiki_page.attributes = params[:wiki_page]
+		@wiki_page.user_id = session[:user_id]
+		@wiki_page.course_id = @course.id
+		dirty = @wiki_page.dirty?
+		@wiki_page.save!
+
+		WikiEditLogEntry.create!(:target_id => @wiki_page.id, :user => @current_user, :course => @course, :version => @wiki_page.version) if dirty
+
+		flash[:notice] = "Wiki page updated"[]
+
+		respond_to do |format|
+			format.html { redirect_to course_wiki_path(@course, @wiki_page) }
+			format.xml { head :created, :location => formatted_course_wiki_url(@course, @wiki_page, :xml) }
+		end
+	end
+
+	def destroy
+		@wiki_page.destroy
+		flash[:notice] = "Wiki page removed"[]
+		flash[:undo] = url_for(:course_id => @course, :id => @wiki_page.id, :action => 'undelete')
+
+		WikiDeleteLogEntry.create!(:target_id => @wiki_page.id, :user => @current_user, :course => @course)
+
+		respond_to do |format|
+			format.html { redirect_to course_url(@course) }
+			format.xml { head :ok }
+		end
+	end
+
+	def versions
+		@history_to = params[:to] || @wiki_page.versions.count
+		@history_from = params[:from] || @wiki_page.versions.count - 1
+		@offset = params[:offset] || 0
+
+		respond_to do |format|
+			format.html
+			format.xml
+		end
+	end
+
+	def preview
+		@text = params[:text]
+		render :text => BlueCloth.new(@text).to_html
+	end
+
+	def diff
+		@to = WikiPage.find_version(params[:id], params[:to])
+		@from = WikiPage.find_version(params[:id], params[:from])
+		@diff = WikiPage.diff(@from, @to)
+	end
+
+	def move_up
+		@wiki_page.move_higher
+		@wiki_page.save
+		flash[:highlight] = @wiki_page.id
+
+		respond_to do |format|
+			format.html { redirect_to course_url(@course) }
+		end
+	end
+
+	def move_down
+		@wiki_page.move_lower
+		@wiki_page.save
+		flash[:highlight] = @wiki_page.id
+
+		respond_to do |format|
+			format.html { redirect_to course_url(@course) }
+		end
+	end
+
+	def undelete
+		@wiki_page = WikiPage.find_with_deleted(params[:id])
+		@wiki_page.update_attribute(:deleted_at, nil)
+		flash[:notice] = "Wiki page restored"[]
+
+		WikiRestoreLogEntry.create!(:target_id => @wiki_page.id, :user => @current_user, :course => @wiki_page.course)
+
+		respond_to do |format|
+			format.html { redirect_to course_wiki_url(@wiki_page.course, @wiki_page) }
+		end
+	end
+
+	protected
+	def find_wiki
+		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])
+
+		params[:id] = @course.wiki_pages.find_by_title(params[:id]).id if params[:id] and !params[:id].is_numeric? and !@course.wiki_pages.find_by_title(params[:id]).nil?
+		@wiki_page = params[:id] ? @course.wiki_pages.find(params[:id]) : WikiPage.new(params[:wiki_page])
+	end
+
+	def cache_sweep
+		expire_fragment(:controller => 'courses', :action => 'show')
+		expire_fragment(:action => 'show')
+	end
+end
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -0,0 +1,65 @@
+# 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.
+
+require 'digest/md5'
+
+module ApplicationHelper
+
+	# Converte para o timezone local
+	def tz(time_at)
+		TzTime.zone.utc_to_local(time_at.utc)
+	end
+
+	FLASH_NAMES = [:notice, :warning, :message]	
+
+	def flash_div
+		output = ""
+		for name in FLASH_NAMES
+			if flash[name]
+				output << "<div id='validation' class='validation #{name}' style='display: none'>#{flash[name]}"
+				output << ". " + link_to("Undo"[] + "?", flash[:undo], :method => 'post') if flash[:undo]
+				output << "</div>"
+			end
+		end
+		return output
+	end
+
+	def logged_in?
+		session[:user_id]
+	end
+
+	def current_user
+		User.find(session[:user_id]) if logged_in?
+	end
+
+	def admin?
+		logged_in? and current_user.admin?
+	end
+
+	def wiki(text)
+		BlueCloth.new(text).to_html
+	end
+
+	def highlight(name)
+		return {:class => 'highlight'} if (flash[:highlight] == name) 
+	end
+
+	def gravatar_url_for(email, size=80)
+		"http://www.gravatar.com/avatar.php?gravatar_id=#{Digest::MD5.hexdigest(email)}&size=#{size}&default=#{App.default_avatar}"
+	end
+
+	def action_icon(action_name, description, options = {}, html_options = {})
+		html_options.merge!({:class => 'icon', :alt => description, :title => description})
+		link_to(image_tag("action/#{action_name}.gif"), options, html_options)
+	end
+end
--- a/app/helpers/attachments_helper.rb
+++ b/app/helpers/attachments_helper.rb
@@ -0,0 +1,15 @@
+# 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.
+
+module AttachmentsHelper
+end
--- a/app/helpers/courses_helper.rb
+++ b/app/helpers/courses_helper.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.
+
+module CoursesHelper
+	def mime_class(str)
+		str.strip!
+		case str
+			when "application/octet-stream"
+				return "mime_binary"
+
+			when
+				"application/pdf",
+				"application/postscript",
+				"application/msword"
+				return "mime_document"
+			
+			when "application/pdf"
+				return "mime_document"
+
+			when
+				"application/zip",
+				"application/x-gzip",
+				"application/x-gtar"
+				return "mime_zip"
+
+			else "mime_plain_text"
+		end
+	end
+end
--- a/app/helpers/events_helper.rb
+++ b/app/helpers/events_helper.rb
@@ -0,0 +1,15 @@
+# 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.
+
+module EventsHelper
+end
--- a/app/helpers/log_helper.rb
+++ b/app/helpers/log_helper.rb
@@ -0,0 +1,2 @@
+module LogHelper
+end
--- a/app/helpers/news_helper.rb
+++ b/app/helpers/news_helper.rb
@@ -0,0 +1,15 @@
+# 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.
+
+module NewsHelper
+end
--- a/app/helpers/stylesheets_helper.rb
+++ b/app/helpers/stylesheets_helper.rb
@@ -0,0 +1,47 @@
+# 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.
+
+module StylesheetsHelper
+
+	def browser_is? name
+		name = name.to_s.strip
+		return true if browser_name == name
+		return true if name == 'mozilla' && browser_name == 'gecko'
+		return true if name == 'ie' && browser_name.index('ie')
+		return true if name == 'webkit' && browser_name == 'safari'
+	
+	end
+
+	def browser_name
+		@browser_name ||= begin
+			ua = request.env['HTTP_USER_AGENT'].downcase
+			if ua.index('msie') && !ua.index('opera') && !ua.index('webtv')
+				'ie'+ua[ua.index('msie')+5].chr
+			elsif ua.index('gecko/') 
+				'gecko'
+			elsif ua.index('opera')
+				'opera'
+			elsif ua.index('konqueror') 
+				'konqueror'
+			elsif ua.index('applewebkit/')
+				'safari'
+			elsif ua.index('mozilla/')
+				'gecko'
+			end
+		end
+	end
+
+	def ie?
+		return browser_is?('ie')
+	end
+end
--- a/app/helpers/user_helper.rb
+++ b/app/helpers/user_helper.rb
@@ -0,0 +1,15 @@
+# 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.
+
+module UserHelper
+end
--- a/app/helpers/wiki_helper.rb
+++ b/app/helpers/wiki_helper.rb
@@ -0,0 +1,48 @@
+# 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.
+
+module WikiHelper
+
+	def format_diff(text)
+		last = 0
+		result = ""
+		text << "\n"
+		style = { '+' => 'add', '-' => 'del', ' ' => 'line' }
+
+		text.each do |line|
+			# Ignora o cabecalho
+			next if line.match(/^---/)
+			next if line.match(/^\+\+\+/)
+
+			# Divisao entre pedacos
+			if line[0].chr == '@'
+				result << "<tr><td class='diff_space diff_border_#{style[last.chr]}' ></td></tr>"
+				last = 0
+			else
+				# Verifica se mudou de contexto (add para del, linha normal para add, etc)
+				if line[0] != last
+					last = line[0] if last == 0 or line[0].chr == '+' or line[0].chr == '-'
+					result << "<tr><td class='diff_border_#{style[last.chr]} "
+					last = line[0]
+
+				else
+					result << "<tr><td class='"
+				end
+				result << "diff_#{style[line[0].chr]}'>" +
+						" #{line[1..-1]}&nbsp;</td></td>"
+			end
+		end
+		
+		return "<table class='diff'>#{result}</table>"
+	end
+end
--- a/app/models/attachment.rb
+++ b/app/models/attachment.rb
@@ -0,0 +1,66 @@
+# 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.
+
+require 'fileutils.rb'
+
+class Attachment < ActiveRecord::Base
+
+	belongs_to :course
+	generate_validations
+	acts_as_paranoid
+
+	# Atributo virtual file
+	def file=(new_file)
+		@tmp_file = new_file
+		self.size = new_file.size
+	end
+
+	# Limpa o nome do arquivo
+	protected
+	def sanitize(filename)
+		filename = File.basename(filename)
+		filename.gsub(/[^\w\.\-]/, '_')
+	end
+
+	# Verifica se o arquivo é válido
+	def validate
+		if @tmp_file
+			errors.add("file") if @tmp_file.size == 0
+			errors.add("file", "is too large"[]) if @tmp_file.size > App.max_upload_file_size
+		else
+			# Caso o objeto possua id, significa que ele já está no banco de dados.
+			# Um arquivo em branco, entao, não é inválido: significa que a pessoa só quer
+			# modificar a descrição, ou algo assim..
+			errors.add("file", "is needed"[]) if not self.id
+		end
+	end
+
+	# Salva o arquivo fisicamente no HD
+	def after_save
+		@file_path = "#{RAILS_ROOT}/public/upload/#{course.id}/#{self.id}"
+		FileUtils.mkdir_p(File.dirname(@file_path))
+
+		if @tmp_file
+			logger.debug("Saving #{self.id}")
+			File.open(@file_path, "wb") do |f|
+				f.write(@tmp_file.read)
+			end
+		end
+	end
+
+	# Deleta o arquivo
+	#def after_destroy
+	#	@file_path = "#{RAILS_ROOT}/public/upload/#{course.id}/#{self.id}"
+	#	File.delete(@file_path) if File.exists?(@file_path)
+	#end
+end
--- a/app/models/course.rb
+++ b/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
--- a/app/models/event.rb
+++ b/app/models/event.rb
@@ -0,0 +1,33 @@
+# 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 Event < ActiveRecord::Base
+
+	acts_as_paranoid
+	generate_validations
+
+	def Event.to_ical(courses)
+		cal = Icalendar::Calendar.new
+		courses.each do |course|
+			course.events.each do |user_event|
+				event = Icalendar::Event.new
+				event.start = user_event.date
+				event.end = user_event.date
+				event.summary = "#{course.short_name}: #{user_event.title}"
+				event.description = user_event.description
+				cal.add(event)
+			end
+		end
+		return cal.to_ical
+	end
+end
--- a/app/models/log_entry.rb
+++ b/app/models/log_entry.rb
@@ -0,0 +1,24 @@
+# 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 LogEntry < ActiveRecord::Base
+	belongs_to :user
+	belongs_to :course
+
+	def reversible?() false end
+end
+
+require 'log_entry/attachment_log_entry.rb'
+require 'log_entry/event_log_entry.rb'
+require 'log_entry/news_log_entry.rb'
+require 'log_entry/wiki_log_entry.rb'
--- a/app/models/log_entry/attachment_log_entry.rb
+++ b/app/models/log_entry/attachment_log_entry.rb
@@ -0,0 +1,35 @@
+# 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 AttachmentLogEntry < LogEntry
+	def attachment
+		Attachment.find_with_deleted(target_id)
+	end
+end
+
+class AttachmentDeleteLogEntry < AttachmentLogEntry
+	def reversible?()
+		a = Attachment.find_with_deleted(target_id)
+		a.deleted_at != nil
+	end
+	def undo!(current_user)
+		a = Attachment.find_with_deleted(target_id)
+		a.update_attribute(:deleted_at, nil)
+		AttachmentRestoreLogEntry.create!(:target_id => a.id, :user_id => current_user.id,
+				:course => a.course)
+	end
+end
+
+class AttachmentEditLogEntry < AttachmentLogEntry; end
+class AttachmentCreateLogEntry < AttachmentLogEntry; end
+class AttachmentRestoreLogEntry < AttachmentLogEntry; end
--- a/app/models/log_entry/event_log_entry.rb
+++ b/app/models/log_entry/event_log_entry.rb
@@ -0,0 +1,35 @@
+# 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 EventLogEntry < LogEntry
+	def event
+		Event.find_with_deleted(target_id)
+	end
+end
+
+class EventDeleteLogEntry < EventLogEntry
+	def reversible?()
+		e = Event.find_with_deleted(target_id)
+		e.deleted_at != nil
+	end
+	def undo!(current_user)
+		e = Event.find_with_deleted(target_id)
+		e.update_attribute(:deleted_at, nil)
+		EventRestoreLogEntry.create!(:target_id => e.id, :user_id => current_user.id,
+				:course => e.course)
+	end
+end
+
+class EventEditLogEntry < EventLogEntry; end
+class EventCreateLogEntry < EventLogEntry; end
+class EventRestoreLogEntry < EventLogEntry; end
--- a/app/models/log_entry/news_log_entry.rb
+++ b/app/models/log_entry/news_log_entry.rb
@@ -0,0 +1,35 @@
+# 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 NewsLogEntry < LogEntry
+	def news
+		News.find_with_deleted(target_id)
+	end
+end
+
+class NewsDeleteLogEntry < NewsLogEntry
+	def reversible?()
+		n = News.find_with_deleted(target_id)
+		n.deleted_at != nil
+	end
+	def undo!(current_user)
+		n = News.find_with_deleted(target_id)
+		n.update_attribute(:deleted_at, nil)
+		NewsRestoreLogEntry.create!(:target_id => n.id, :user_id => current_user.id,
+				:course => n.course)
+	end
+end
+
+class NewsEditLogEntry < NewsLogEntry; end
+class NewsCreateLogEntry < NewsLogEntry; end
+class NewsRestoreLogEntry < NewsLogEntry; end
--- a/app/models/log_entry/wiki_log_entry.rb
+++ b/app/models/log_entry/wiki_log_entry.rb
@@ -0,0 +1,43 @@
+# 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 WikiLogEntry < LogEntry
+	def wiki_page
+		w = WikiPage.find_with_deleted(target_id)
+		w.revert_to(version)
+		return w
+	end
+end
+
+class WikiEditLogEntry < WikiLogEntry
+	validates_presence_of :version
+end
+
+class WikiDeleteLogEntry < WikiLogEntry
+	def reversible?()
+		w = WikiPage.find_with_deleted(target_id)
+		w.deleted_at != nil
+	end
+	def undo!(current_user)
+		w = WikiPage.find_with_deleted(target_id)
+		w.update_attribute(:deleted_at, nil)
+        w.position = w.course.wiki_pages.maximum(:position) + 1
+        w.save!
+		WikiRestoreLogEntry.create!(:target_id => w.id, :user_id => current_user.id,
+				:course => w.course)
+	end
+end
+
+class WikiCreateLogEntry < WikiLogEntry; end
+class WikiRestoreLogEntry < WikiLogEntry; end
+
--- a/app/models/message.rb
+++ b/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
--- a/app/models/notifications.rb
+++ b/app/models/notifications.rb
@@ -0,0 +1,25 @@
+# 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 Notifications < ActionMailer::Base
+
+	def forgot_password(to, login, pass, sent_at = Time.now)
+		@subject = "Your password is ..."
+		@body['login']=login
+		@body['pass']=pass
+		@recipients = to
+		@from = 'support@yourdomain.com'
+		@sent_on = sent_at
+		@headers = {}
+	end
+end
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -0,0 +1,108 @@
+# 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.
+
+require 'digest/sha1'
+
+class User < ActiveRecord::Base
+
+	has_and_belongs_to_many :courses, :order => 'full_name'
+
+	validates_length_of       :login, :within => 3..40
+	validates_length_of       :name,  :within => 3..40
+	validates_length_of       :display_name, :within => 3..40
+
+	validates_presence_of     :login, :email, :display_name
+	validates_uniqueness_of   :login, :email, :display_name
+
+	validates_format_of :display_name, :with => /^[^0-9]/
+	validates_format_of :email,
+			:with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i
+
+	attr_protected :id, :salt
+	attr_accessor :password, :password_confirmation
+
+	has_many :shoutbox_messages,
+			 :class_name => 'UserShoutboxMessage',
+			 :foreign_key => "receiver_id",
+			 :order => 'id desc'
+
+	def User.find_by_login_and_pass(login, pass)
+		user = find(:first, :conditions => [ "login = ?", login ])
+		return (!user.nil? and User.encrypt(pass, user.salt) == user.hashed_password) ? user : nil
+	end	
+
+	def to_xml(options = {})
+		options[:indent] ||= 2
+		xml = options[:builder] ||= Builder::XmlMarkup.new(:indent => options[:indent])
+		xml.instruct! unless options[:skip_instruct]
+		xml.user do
+			xml.id self.id
+			xml.name self.name
+			xml.created_at self.created_at
+			xml.last_seen self.last_seen
+			xml.description self.description
+		end
+	end
+
+	# Gera uma nova senha, e a envia por email.
+	def send_new_password
+		new_pass = User.random_string(10)
+		@password = @password_confirmation = new_pass
+		save
+		Notifications.deliver_forgot_password(self.email, self.login, new_pass)
+	end
+
+	def reset_login_key
+		self.login_key = Digest::SHA1.hexdigest(Time.now.to_s + password.to_s + rand(123456789).to_s).to_s
+	end
+  
+	def reset_login_key!
+		reset_login_key
+		save!
+		self.login_key
+	end
+
+	def to_param
+		self.login
+	end
+
+	protected
+	def validate
+		if new_record?
+			errors.add_on_blank :password
+			errors.add_on_blank :password_confirmation
+		end
+
+		if !@password.blank?
+			errors.add(:password_confirmation) if @password_confirmation.blank? or @password != @password_confirmation 
+			errors.add(:password, 'é muito curta') if !(5..40).include?(@password.length)
+		end
+	end
+	
+	def before_save
+		self.salt = User.random_string(10) if !self.salt?
+		self.hashed_password = User.encrypt(@password, self.salt) if !@password.blank?
+	end
+
+	def self.encrypt(pass, salt)
+		Digest::SHA1.hexdigest(pass + salt)
+	end
+	
+	def self.random_string(len)
+		chars = ("a".."z").to_a + ("A".."Z").to_a + ("0".."9").to_a
+		newpass = ""
+		1.upto(len) { |i| newpass << chars[rand(chars.size-1)] }
+		return newpass
+	end
+
+end
--- a/app/models/wiki_page.rb
+++ b/app/models/wiki_page.rb
@@ -0,0 +1,59 @@
+# 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.
+
+require 'acts_as_versioned'
+require 'tempfile'
+
+class WikiPage < ActiveRecord::Base
+
+	belongs_to :course
+	belongs_to :user
+
+	generate_validations
+	validates_uniqueness_of :title, :scope => :course_id
+	validates_format_of :title, :with => /^[^0-9]/
+
+	acts_as_paranoid
+	acts_as_list :scope => 'course_id = #{course_id}'
+	acts_as_versioned :if_changed => [ :content, :description, :title ]
+	self.non_versioned_fields << 'position'
+
+	def to_html(text = self.content)
+		return BlueCloth.new(text).to_html
+	end
+
+	def to_param
+		self.title
+	end
+
+	def WikiPage.diff(from, to)
+		# Cria um arquivo com o conteudo da versao antiga
+		original_content_file = Tempfile.new("old")
+		original_content_file << from.content << "\n"
+		original_content_file.flush
+
+		# Cria um arquivo com o conteudo da versao nova
+		new_content_file = Tempfile.new("new")
+		new_content_file << to.content << "\n"
+		new_content_file.flush
+		
+		# Calcula as diferencas
+		diff = `diff -u #{original_content_file.path()} #{new_content_file.path()}`
+
+		# Fecha os arquivos temporarios
+		new_content_file.close!
+		original_content_file.close!
+
+		return diff
+	end
+end
--- a/app/views/attachments/_form.html.haml
+++ b/app/views/attachments/_form.html.haml
@@ -0,0 +1,10 @@
+= error_messages_for 'attachment'
+
+%dl
+  %dt
+    %label{:for => 'attachment_file'} Arquivo
+  %dd= file_field 'attachment', 'file'
+
+  %dt
+    %label{:for => "attachment_description"} Descrição
+  %dd= preserve(text_area 'attachment', 'description')
--- a/app/views/attachments/edit.html.haml
+++ b/app/views/attachments/edit.html.haml
@@ -0,0 +1,7 @@
+%h4.title= h(@course.full_name)
+%h1.title Modificar arquivo
+
+%p
+  - form_for :attachment, @attachment, :url => course_attachment_url, :html => { :method => 'put', :multipart => 'true' } do
+    = render :partial => 'form'
+    = submit_tag 'Editar'
--- a/app/views/attachments/new.html.haml
+++ b/app/views/attachments/new.html.haml
@@ -0,0 +1,7 @@
+%h4.title= h(@course.full_name)
+%h1.title Adicionar arquivo
+
+%p
+  - form_for :attachment, @attachment, :url => course_attachments_url, :html => { :method => 'post', :multipart => 'true' } do
+    = render :partial => 'form'
+    = submit_tag "Criar"
--- a/app/views/attachments/show.html.haml
+++ b/app/views/attachments/show.html.haml
@@ -0,0 +1,20 @@
+.cmd
+  = action_icon 'edit', 'Editar', edit_course_attachment_url
+  = action_icon 'trash', 'Excluir', course_attachment_url, :confirm => 'Tem certeza que deseja excluir o arquivo?', :method => :delete
+
+%h4.title= h(@attachment.course.full_name)
+%h1.title Repositório
+
+%p
+  %dl
+    %dt Arquivo
+    %dd= link_to h(@attachment.file_name), download_course_attachment_url
+
+    %dt Descrição
+    %dd= h(@attachment.description)
+
+    %dt Tipo de Arquivo
+    %dd= h(@attachment.content_type)
+
+    %dt Tamanho
+    %dd= number_to_human_size @attachment.size
--- a/app/views/courses/_form.html.haml
+++ b/app/views/courses/_form.html.haml
@@ -0,0 +1,22 @@
+= error_messages_for 'course'
+
+%dl
+  %dt
+    %label{:for => "course_full_name"} Nome completo
+  %dd= text_field 'course', 'full_name' 
+
+  %dt
+    %label{:for => "course_short_name"} Nome abreviado
+  %dd= text_field 'course', 'short_name'
+
+  %dt
+    %label{:for => "course_code"} Código
+  %dd= text_field 'course', 'code'
+
+  %dt
+    %label{:for => "course_period"} Semestre
+  %dd= text_field 'course', 'period'
+
+  %dt
+    %label{:for => "course_description"} Descrição
+  %dd= preserve(text_area('course', 'description', :cols => 60, :rows => 10))
--- a/app/views/courses/_left_panel.html.haml
+++ b/app/views/courses/_left_panel.html.haml
@@ -0,0 +1,3 @@
+- cache(:controller => 'courses', :action => 'show', :id => @course, :part => 'left') do
+  = render 'widgets/menu_disciplina'
+  = render 'widgets/menu_user'
--- a/app/views/courses/_right_panel.html.haml
+++ b/app/views/courses/_right_panel.html.haml
@@ -0,0 +1,3 @@
+- cache(:controller => 'courses', :action => 'show', :id => @course, :part => 'right') do
+  = render 'widgets/calendario'
+  = render 'widgets/news'
--- a/app/views/courses/edit.html.haml
+++ b/app/views/courses/edit.html.haml
@@ -0,0 +1,7 @@
+%h4.title= App.title
+%h1.title Editar disciplina
+
+%p
+  - form_tag course_path(@course.id), :method => :put do
+    = render :partial => 'form'
+    = submit_tag 'Editar'
--- a/app/views/courses/index.html.haml
+++ b/app/views/courses/index.html.haml
@@ -0,0 +1,29 @@
+.cmd
+  = action_icon('add', 'Cadastrar nova disciplina', new_course_url) if admin?
+
+- cache do
+  %h4.title= App.title
+  %h1.title Disciplinas
+
+  .box
+    %ul
+      - if logged_in?
+        - unless @current_user.courses.empty?
+          %h3 Disciplinas matriculadas
+          - for course in @current_user.courses
+            %li{highlight(course.id)}
+              .right
+                = action_icon('subtract', 'Desmatricular-se', unenroll_course_url(course))
+              = link_to h(course.full_name), course_url(course)
+
+      - old_period = 0
+      - for course in @courses
+        - if course.period != old_period
+          %h3= (course.period == 99 ? "Optativas" : "Semestre #{course.period}")
+          - old_period = course.period
+
+        %li{highlight(course.id)}
+          .right
+            = action_icon('add', 'Matricular-se', enroll_course_url(course))
+          = link_to h(course.full_name), course_url(course)
+
--- a/app/views/courses/new.html.haml
+++ b/app/views/courses/new.html.haml
@@ -0,0 +1,6 @@
+%h4.title= App.title
+%h1.title Adicionar disciplina
+
+- form_tag course_url(@course.id), :method => :post do
+  = render :partial => 'form'
+  = submit_tag "Cadastrar"
--- a/app/views/courses/show.html.haml
+++ b/app/views/courses/show.html.haml
@@ -0,0 +1,40 @@
+.cmd
+  - if admin?
+    = action_icon 'edit', 'Editar disciplina', edit_course_url
+    /= action_icon 'trash', 'Excluir disciplina', course_url, :confirm => 'Tem certeza que deseja excluir?', :method => :delete
+
+- cache do
+
+  %h4.title Disciplina
+  %h1.title= h(@course.full_name)
+
+  %p= wiki @course.description
+
+  .box
+    .cmd
+      = action_icon 'add', 'Adicionar página wiki', new_course_wiki_url(@course)
+
+    %h3 Páginas Wiki
+    %ul.wiki
+      - @course.wiki_pages.each do |wiki|
+        %li{highlight(wiki.id)}
+          .cmd{:style => 'margin-bottom: -27px; margin-top: -9px;'}
+            =action_icon 'arrow2_n', 'Mover para cima', move_up_course_wiki_url(@course, wiki) unless wiki.first?
+            =action_icon 'arrow2_s', 'Mover para baixo', move_down_course_wiki_url(@course, wiki) unless wiki.last?
+            - if wiki.last?
+              %span{:style => 'margin-right: 14px'} &nbsp;
+          =link_to h(wiki.title), course_wiki_url(@course, wiki)
+      - if @course.wiki_pages.empty?
+        %li.no_itens Nenhuma página wiki
+
+  .box
+    .cmd= action_icon 'add', 'Adicionar anexo', new_course_attachment_url(@course)
+
+    %h3 Repositório de Arquivos
+    .repositorio
+      %ul.wiki
+        - @course.attachments.each do |att|
+          %li{:class => mime_class(att.content_type)}
+            = link_to h(att.file_name), course_attachment_url(@course, att)
+        - if @course.attachments.empty?
+          %li.no_itens Nenhum arquivo
--- a/app/views/events/_form.html.haml
+++ b/app/views/events/_form.html.haml
@@ -0,0 +1,19 @@
+= error_messages_for 'event'
+
+%dl
+  %dt
+    %label{:for => "event_title"} Título
+  %dd= text_field 'event', 'title' 
+
+  %dt
+    %label{:for => "event_date"} Data
+  %dd= date_select 'event', 'date', :order => [:day, :month, :year]
+
+  %dt
+    %label{:for => "event_time"} Horário
+  %dd= time_select 'event', 'time' 
+
+  %dt
+    %label{:for => "event_description"} Descrição
+  %dd= preserve(text_area('event', 'description', :rows => 6))
+
--- a/app/views/events/edit.html.haml
+++ b/app/views/events/edit.html.haml
@@ -0,0 +1,7 @@
+%h4.title= h(@course.full_name)
+%h1.title Editar evento
+
+%p
+  - form_tag course_event_url(@course, @event), :method => :put do
+    = render :partial => 'form'
+    = submit_tag 'Editar'
--- a/app/views/events/index.html.haml
+++ b/app/views/events/index.html.haml
@@ -0,0 +1,39 @@
+- cache do
+
+  - last_event = nil
+
+  .cmd
+    = action_icon 'add', 'Adicionar evento', new_course_event_url
+
+  %h4.title= h(@course.full_name)
+  %h1.title Calendário
+
+  .box.div_calendario
+
+    - @events.each do |event|
+      - if last_event != event.date
+        = "</ul></div>" if last_event
+        .date= event.date.strftime("%d de %B")
+        = "<div><ul>"
+
+      %li[event]
+        .time= event.time.strftime("%H:%M")
+        = link_to h(event.title), course_event_url(@course, event)
+
+        %div.description{:style => (event.id == params[:id].to_i ? '' : 'display: none')}
+          %div.cmd{:style => "height: 27px; margin-top: -27px;"}
+            = action_icon 'edit', 'Editar', edit_course_event_url(@course, event)
+            = action_icon 'trash', 'Excluir', course_event_url(@course, event), :confirm => 'Tem certeza que deseja excluir?', :method => :delete
+          = h(event.description)
+          = "Sem descrição" if event.description.empty?
+
+      - last_event = event.date
+
+    = "</ul></div>" if !@events.empty?
+
+  - if @events.empty?
+    .box
+      %ul
+        %li.grey Nenhum evento
+
+  %br
--- a/app/views/events/new.html.haml
+++ b/app/views/events/new.html.haml
@@ -0,0 +1,7 @@
+%h4.title= @course.full_name
+%h1.title Adicionar evento
+
+%p
+  - form_tag course_event_url(@course, @event), :method => :post do
+    = render :partial => 'form'
+    = submit_tag "Adicionar"
--- a/app/views/events/show.html.haml
+++ b/app/views/events/show.html.haml
@@ -0,0 +1,2 @@
+- @events = @course.events
+= render 'events/index'
--- a/app/views/layouts/attachments.html.haml
+++ b/app/views/layouts/attachments.html.haml
@@ -0,0 +1,15 @@
+- @title = "#{App.title} - #{h(@course.full_name)}"
+- @location = capture do 
+  = link_to(App.title, "/") + "&rsaquo;"
+  = link_to("Disciplinas", courses_url) + "&rsaquo;"
+  = link_to(h(@course.full_name), course_url(@course)) + "&rsaquo;"
+  = link_to("Arquivos", course_url(@course))
+  - if @attachment.id
+    = "&rsaquo;" + link_to(truncate(h(@attachment.file_name)), course_attachment_url)
+    - @title = @title + " - #{truncate(h(@attachment.file_name))}"
+
+- @left_panel = render 'courses/_left_panel'
+- @right_panel = render 'courses/_right_panel'
+- @content = yield
+
+= render 'layouts/base' 
--- a/app/views/layouts/base.html.haml
+++ b/app/views/layouts/base.html.haml
@@ -0,0 +1,47 @@
+
+!!! XML
+!!!
+%html
+  %head
+    %title= @title || App.title
+    %meta{'name' => 'robots', :content => 'noindex,nofollow'}
+    %meta{'http-equiv' => 'Content-Type', 'content' => 'text/html; charset=UTF-8'}
+    %link{'href' => "/stylesheets/wiki.css", 'rel' => 'Stylesheet', 'type' => %'text/css'}
+    %link#css_color{'href' => "/stylesheets/themes/color.#@color.css", 'rel' => 'Stylesheet', 'type' => %'text/css'}
+    = javascript_include_merged :base
+
+  %body{'onload' => 'javascript: startup()'}
+    #wrapper
+      #header
+        %h1= "<strong>Wiki</strong> UFC"
+
+      #header_menu
+        %ul
+          - if logged_in?
+            %li.grey= "Logged in as {u}"[:logged_in_as, h(@current_user.display_name)]
+            %li.last= link_to 'Logout', logout_path
+          - else
+            %li= link_to 'Cadastrar', signup_path
+            %li.last= link_to 'Login', login_path
+
+      #strip
+
+      #location
+        = flash_div
+        = @location
+
+      #site
+        %div
+          - if @right_panel.nil?
+            .float_panel_left= @left_panel
+            #innerwrapper_2column
+              .content= @content
+          - else
+            .float_panel_left= @left_panel
+            .float_panel_right= @right_panel
+            #innerwrapper_3column
+              .content= @content
+        %br{'style' => 'clear:both'}
+      
+      #footer
+
--- a/app/views/layouts/courses.html.haml
+++ b/app/views/layouts/courses.html.haml
@@ -0,0 +1,20 @@
+- @title = "#{App.title}"
+- @location = capture do
+  = link_to(App.title, "/") + "&rsaquo;";
+  = link_to("Disciplinas", courses_url)
+  - if @course and @course.id
+    = "&rsaquo; " + link_to(h(@course.full_name), course_url)
+    - @title = @title + " - #{h(@course.full_name)}"
+  - else
+    - @title = @title + " - Disciplinas"
+
+- if @course and @course.id
+-   @left_panel = render 'courses/_left_panel'
+-   @right_panel = render 'courses/_right_panel'
+- else
+-   @left_panel = render('widgets/menu_navigation') + render('widgets/menu_user')
+- end
+
+- @content = yield
+
+= render 'layouts/base'
--- a/app/views/layouts/events.html.haml
+++ b/app/views/layouts/events.html.haml
@@ -0,0 +1,12 @@
+- @title = "#{App.title} - #{h(@course.full_name)} - Calendário"
+- @location = capture do 
+  = link_to(App.title, "/") + "&rsaquo;"
+  = link_to("Disciplinas", courses_url) + "&rsaquo;"
+  = link_to(h(@course.full_name), course_url(@course)) + "&rsaquo;"
+  = link_to("Calendário", course_events_url)
+
+- @left_panel = render 'courses/_left_panel'
+- @right_panel = render 'courses/_right_panel'
+- @content = yield
+
+= render 'layouts/base' 
--- a/app/views/layouts/log.html.haml
+++ b/app/views/layouts/log.html.haml
@@ -0,0 +1,11 @@
+- @title = "#{App.title} - #{h(@course.full_name)} - Mudanças recentes"
+- @location = capture do 
+  = link_to(App.title, "/") + "&rsaquo;"
+  = link_to("Disciplinas", courses_url) + "&rsaquo;"
+  = link_to(h(@course.full_name), course_url(@course)) + "&rsaquo;"
+  = link_to("Log", course_log_url(@course))
+
+- @left_panel = render 'courses/_left_panel'
+- @content = yield
+
+= render 'layouts/base' 
--- a/app/views/layouts/news.html.haml
+++ b/app/views/layouts/news.html.haml
@@ -0,0 +1,12 @@
+- @title = "#{App.title} - #{h(@course.full_name)} - Notícias"
+- @location = capture do 
+  = link_to(App.title, "/") + "&rsaquo;"
+  = link_to("Disciplinas", courses_url) + "&rsaquo;"
+  = link_to(h(@course.full_name), course_url(@course)) + "&rsaquo;"
+  = link_to("Noticias", course_news_index_url(@course))
+
+- @left_panel = render 'courses/_left_panel'
+- @right_panel = render 'courses/_right_panel'
+- @content = yield
+
+= render 'layouts/base' 
--- a/app/views/layouts/users.html.haml
+++ b/app/views/layouts/users.html.haml
@@ -0,0 +1,12 @@
+- @title = App.title
+- @location = capture do
+  = link_to(App.title, "/") + "&rsaquo;";
+  = link_to("Usuários", users_path)
+  - if @user and @user.id
+    = "&rsaquo; " + link_to(h(@user.name), user_url(@user))
+    - @title = @title + " - #{h(@user.display_name)}"
+
+- @left_panel = render('widgets/menu_navigation') + render('widgets/menu_user')
+- @content = yield
+
+= render 'layouts/base'
--- a/app/views/layouts/wiki.html.haml
+++ b/app/views/layouts/wiki.html.haml
@@ -0,0 +1,14 @@
+- @title = "#{App.title} - #{h(@course.full_name)}"
+- @location = capture do 
+  = link_to(App.title, "/") + "&rsaquo;"
+  = link_to("Disciplinas", courses_url) + "&rsaquo;"
+  = link_to(h(@course.full_name), course_url(@course)) + "&rsaquo;"
+  = link_to("Wiki", course_url(@course))
+  - if @wiki_page.title
+    = "&rsaquo;" + link_to(h(@wiki_page.title), course_wiki_url(@course, @wiki_page))
+    - @title = @title + " - #{h(@wiki_page.title)}"
+
+- @left_panel = render 'courses/_left_panel'
+- @content = yield
+
+= render 'layouts/base' 
--- a/app/views/log/_attachment_log_entry.html.haml
+++ b/app/views/log/_attachment_log_entry.html.haml
@@ -0,0 +1,6 @@
+= "Anexo " + link_to(h(entry.attachment.file_name), course_attachment_url(@course, entry.attachment))
+
+= "criado "     if entry.kind_of?(AttachmentCreateLogEntry)
+= "editado "    if entry.kind_of?(AttachmentEditLogEntry)
+= "excluído "   if entry.kind_of?(AttachmentDeleteLogEntry)
+= "restaurado " if entry.kind_of?(AttachmentRestoreLogEntry)
--- a/app/views/log/_event_log_entry.html.haml
+++ b/app/views/log/_event_log_entry.html.haml
@@ -0,0 +1,6 @@
+= "Evento " + link_to(h(entry.event.title), course_event_url(@course, entry.event))
+
+= "criado "     if entry.kind_of?(EventCreateLogEntry)
+= "editado "    if entry.kind_of?(EventEditLogEntry)
+= "excluído "   if entry.kind_of?(EventDeleteLogEntry)
+= "restaurado " if entry.kind_of?(EventRestoreLogEntry)
--- a/app/views/log/_news_log_entry.html.haml
+++ b/app/views/log/_news_log_entry.html.haml
@@ -0,0 +1,6 @@
+= "Notícia " + link_to(h(entry.news.title), course_news_url(@course, entry.news))
+
+= "criada "     if entry.kind_of?(NewsCreateLogEntry)
+= "editada "    if entry.kind_of?(NewsEditLogEntry)
+= "excluída "   if entry.kind_of?(NewsDeleteLogEntry)
+= "restaurada " if entry.kind_of?(NewsRestoreLogEntry)
--- a/app/views/log/_wiki_log_entry.html.haml
+++ b/app/views/log/_wiki_log_entry.html.haml
@@ -0,0 +1,13 @@
+= "Página " + link_to(h(entry.wiki_page.versions.last.title), course_wiki_url(@course, entry.wiki_page.id, :version => entry.wiki_page.version))
+
+= "criada "     if entry.kind_of?(WikiCreateLogEntry)
+= "editada "    if entry.kind_of?(WikiEditLogEntry)
+= "excluída "   if entry.kind_of?(WikiDeleteLogEntry)
+= "restaurada " if entry.kind_of?(WikiRestoreLogEntry)
+
+- if entry.kind_of?(WikiEditLogEntry)
+  - if entry.wiki_page.description and !entry.wiki_page.description.empty?
+    = "(<i>#{h(entry.wiki_page.description)}</i>)"
+  = "(" + link_to("diff", diff_course_wiki_url(@course, entry.wiki_page.id, :from => entry.wiki_page.version - 1, :to => entry.wiki_page.version)) + ")" 
+  = "(" + link_to("edit", edit_course_wiki_url(@course, entry.wiki_page.id, :description => "Revertendo para versão #{entry.wiki_page.version}", :version => entry.wiki_page.version)) + ")"
+  = "(" + link_to("undo", edit_course_wiki_url(@course, entry.wiki_page.id, :description => "Revertendo para versão #{entry.wiki_page.version-1}", :version => entry.wiki_page.version - 1)) + ")"
--- a/app/views/log/index.html.haml
+++ b/app/views/log/index.html.haml
@@ -0,0 +1,18 @@
+%h4.title= h(@course.full_name)
+%h1.title Mudanças recentes
+
+%table.log
+  %tr
+    %th Data
+    %th Usuário
+    %th Descrição
+  - @log_entries.each do |entry|
+    %tr
+      %td= entry.created_at.strftime("%d/%m/%y&nbsp;%H:%M:%S")
+      %td= link_to truncate(h(entry.user.display_name), 20), user_path(entry.user)
+      %td
+        = render(:partial => 'log/attachment_log_entry', :locals => { :entry => entry }) if entry.kind_of?(AttachmentLogEntry)
+        = render(:partial => 'log/event_log_entry', :locals => { :entry => entry }) if entry.kind_of?(EventLogEntry)
+        = render(:partial => 'log/news_log_entry', :locals => { :entry => entry }) if entry.kind_of?(NewsLogEntry)
+        = render(:partial => 'log/wiki_log_entry', :locals => { :entry => entry }) if entry.kind_of?(WikiLogEntry)
+        = "(" + link_to("undo", undo_course_log_url(@course, entry)) + ")" if entry.reversible?
--- a/app/views/news/_form.html.haml
+++ b/app/views/news/_form.html.haml
@@ -0,0 +1,10 @@
+= error_messages_for 'news'
+
+%dl
+  %dt
+    %label{:for => "news_title"} Título
+  %dd= text_field 'news', 'title'
+
+  %dt
+    %label{:for => "news_body"} Descrição
+  %dd= preserve(text_area('news', 'body'))
--- a/app/views/news/edit.html.haml
+++ b/app/views/news/edit.html.haml
@@ -0,0 +1,7 @@
+%h4.title= h(@course.full_name)
+%h1.title Editar noticia
+
+%p
+  - form_tag course_news_url(@course, @news), :method => :put do
+    = render :partial => 'form'
+    = submit_tag 'Editar'
--- a/app/views/news/index.html.haml
+++ b/app/views/news/index.html.haml
@@ -0,0 +1,28 @@
+- cache do
+
+  .cmd
+    = action_icon 'add', 'Adicionar', new_course_news_url
+
+  %h4.title= h(@course.full_name)
+  %h1.title Notícias
+
+  = auto_discovery_link_tag :rss, formatted_course_news_index_url(@course, :rss)
+
+  .news
+    - @course.news.each do |n|
+      .line{:class => 'new', :id => "news_#{n.id}"}
+        .cmd{:style => (n.id == params[:id].to_i ? '' : 'display: none')}
+          = action_icon 'edit', 'Editar', edit_course_news_url(@course, n)
+          = action_icon 'trash', 'Excluir', course_news_url(@course, n), :confirm => 'Tem certeza que deseja excluir?', :method => :delete
+
+        .left= n.timestamp.strftime("%d de %B")
+        %h4
+          = link_to h(n.title), course_news_url(@course, n)
+
+        %p{:style => (n.id == params[:id].to_i ? '' : 'display: none')}
+          = h(n.body)
+
+    - if @course.news.empty?
+      .box
+        %ul
+          %li.grey Nenhuma notícia
--- a/app/views/news/index.rss.builder
+++ b/app/views/news/index.rss.builder
@@ -0,0 +1,18 @@
+xml.instruct! :xml, :version=>"1.0" 
+xml.rss(:version=>"2.0") do
+	xml.channel do
+		xml.title("#{App.title} - #{@course.full_name} - " + "News"[].titleize)
+		xml.link(course_news_index_url(@course))
+		xml.language(App.language)
+		xml.description("{course} news"[:news_about, @course.full_name])
+		for news_item in @news
+			xml.item do
+				xml.title(news_item.title)
+				xml.description(news_item.body)
+				xml.pubDate(news_item.timestamp.rfc2822)
+				xml.link(course_news_url(@course, news_item))
+				xml.guid(course_news_url(@course, news_item))
+			end
+		end
+	end
+end
--- a/app/views/news/new.html.haml
+++ b/app/views/news/new.html.haml
@@ -0,0 +1,6 @@
+%h4.title= @course.full_name
+%h1.title Adicionar evento
+
+- form_tag course_news_url(@course, @news), :method => :post do
+  = render :partial => 'form'
+  = submit_tag "Enviar"
--- a/app/views/news/show.html.haml
+++ b/app/views/news/show.html.haml
@@ -0,0 +1 @@
+= render 'news/index'
--- a/app/views/notifications/forgot_password.html.erb
+++ b/app/views/notifications/forgot_password.html.erb
@@ -0,0 +1,9 @@
+_____________
+
+
+Seu nome de usuário é <%= h(@login) %>. E seu novo password é <%= h(@pass) %>.
+Faça o seu Login e mude para algo mais fácil de ser memorizado.
+
+
+Wiki Ufc
+-------------
--- a/app/views/stylesheets/color.css.erb
+++ b/app/views/stylesheets/color.css.erb
@@ -0,0 +1,38 @@
+<% color = App.color_schemes[@color] || App.color_schemes[App.default_color] %>
+
+a {
+	color: <%= color[1] %>;
+}
+
+a:hover {
+	border-bottom: 1px dotted <%= color[1] %>;
+}
+
+h1, h2, h3, h4, h5, th {
+	color: <%= color[2] %>;
+}
+
+#header {
+	background-color: <%= color[0] %>;
+}
+
+#header_menu {
+	background-color: <%= color[0] %>;
+}
+
+#header_menu ul li {
+	border-right: 1px solid <%= color[0] %>;
+}
+
+#strip {
+	background-color: <%= color[0] %>;
+}
+
+#footer {
+	background-color: <%= color[3] %>;
+	border-top: 5px solid <%= color[3] %>;
+}
+
+.icon img:hover {
+  background-color: <%= color[1] %>;
+}
--- a/app/views/user/change_password.html.erb
+++ b/app/views/user/change_password.html.erb
@@ -0,0 +1,18 @@
+<h4 class="title"><%= App.title %></h4>
+<h3 class="title">Alterar senha</h3>
+
+<p>
+<%= error_messages_for 'user' %><br/>
+
+<% form_tag :action => 'change_password' do %>
+
+<label for="user_password">Nova senha</label><br/>
+<%= password_field "user", "password", :size => 20, :value=>"" %><br/>
+
+<label for="user_password_confirmation">Confirme nova senha</label><br/>
+<%= password_field "user", "password_confirmation", :size => 20, :value=>"" %><br/>
+<br/>
+<%= submit_tag "Enviar" %>
+
+<% end %>
+</o>
--- a/app/views/user/edit.html.erb
+++ b/app/views/user/edit.html.erb
@@ -0,0 +1,54 @@
+<h4 class="title"><%= App.title %></h4>
+<h1 class="title">Editar Preferências</h1>
+
+<p>
+<%= error_messages_for 'user' %><br/>
+
+<% form_tag :action => 'update', :id => @user do %>
+
+<label for="user_name">Nome</label><br/>
+<%= text_field "user", "name", :size => 20 %><br/>
+
+<label for="user_email">Email</label><br/>
+<%= text_field "user", "email", :size => 20 %><br/><br/>
+
+
+<label for="user_password">Senha</label><br/>
+<%= password_field "user", "password", {:value => "", :size => 20, :id => 'password'} %><br/>
+
+<label for="user_password_confirmation">Confirmação de Senha</label><br/>
+<%= password_field "user", "password_confirmation", {:value => "", :size => 20} %><br/>
+
+<div id="passmeter">&nbsp;</div><br/>
+
+<label for="user_pref_color">Cor de Preferência:</label><br />
+<%= select_tag("user[pref_color]", options_for_select( { 
+"Preto" => 0,
+"Verde (Claro)" => 1,
+"Azul (Claro)" => 2, 
+"Lilás" => 3,
+"Vermelho/Cinza" => 4,
+"Verde-limão" => 5,
+"Azul (Padrão)" => 6,
+"Vermelho" => 7,
+"Azul/Laranja" => 8,
+"Verde/Vermelho" => 9,
+"Pink" => 10,
+"Roxo" => 11,
+"Vinho" => 12,
+ }.sort)) %><br/><br/>
+
+<label for="user_courses">Disciplinas matriculadas:</label><br/>
+<% Course.find(:all).each do |course| %>
+  <%= check_box_tag("user[course_ids][]", course.id, @user.courses.include?(course)) %>
+  <%= h(course.full_name) %><br/>
+<% end %>
+
+
+<br/><br/>
+
+<%= submit_tag "Editar" %>
+
+<% end %><br/><br/>
+</p>
+
--- a/app/views/user/forgot_password.html.erb
+++ b/app/views/user/forgot_password.html.erb
@@ -0,0 +1,15 @@
+<h4 class="title"><%= App.title %></h4>
+<h1 class="title">Recuperar senha</h1>
+
+<p>
+<%= error_messages_for 'user' %><br/>
+
+<% form_tag :action=>'forgot_password' do %>
+
+Email<br/>
+<%= text_field "user","email" %><br/><br/>
+
+<%= submit_tag 'Enviar nova senha' %>
+
+<% end %>
+</p>
--- a/app/views/user/login.html.erb
+++ b/app/views/user/login.html.erb
@@ -0,0 +1,21 @@
+<h4 class="title"><%= App.title %></h4>
+<h1 class="title">Login</h1>
+
+<p>
+<%= error_messages_for 'user' %><br/>
+
+<% form_tag :action=> "login" do %>
+
+<label for="user_login">Login:</label><br/>
+<%= text_field "user", "login", :size => 20 %><br/>
+
+<label for="user_password">Senha:</label><br/>
+<%= password_field "user", "password", :size => 20 %><br/>
+
+<%= submit_tag "Login" %><br /><br />
+
+<%= link_to 'Criar conta', :action => 'signup' %> |
+<%= link_to 'Recuperar senha', :action => 'forgot_password' %>
+
+<% end %>
+</p>
--- a/app/views/user/rss.xml.builder
+++ b/app/views/user/rss.xml.builder
@@ -0,0 +1,13 @@
+xml.instruct! :xml, :version=>"1.0" 
+xml.instruct! :rss, :version=>"2.0" 
+xml.channel{
+	for course in @courses
+		for event in course.events
+			xml.item do
+				xml.title("[" + course.short_name + "] " + event.title)
+				xml.pubDate(Time.parse(event.date.to_s).rfc822)
+				xml.description(event.description)
+			end
+		end
+	end
+}
--- a/app/views/user/show.html.erb
+++ b/app/views/user/show.html.erb
@@ -0,0 +1,84 @@
+<% last_event = nil %>
+
+<div class="cmd">
+	<%= link_to 'preferências', :action => 'edit'%>
+</div>
+
+<h4 class="title">Página Pessoal</h4>
+<h1 class="title">Bem vindo, <%= h(@user.name) %></h1>
+
+<!-- Noticias -->
+<div class="box news">
+	<h3>Notícias</h3>
+<% @news_messages.each do |n| %>
+	<div class="line">
+		<h4 class="left"><%= n.timestamp.strftime("%d de %B") %></h4>
+		<h4><%= link_to h(n.course.full_name) , course_news_url(n.course, n) %> &rsaquo;
+		<a href="#" id="new_<%=n.id%>"><%= h(n.title) %></a></h4>
+
+		<p id="new_desc_<%= n.id %>" style="display:none">
+			<%= h(n.body) %>
+		</p>
+	</div>
+<% end %>
+</div>
+
+<script type="text/javascript">
+<% @news_messages.each do |n| %>
+	events['#new_<%= n.id %>:click'] = function(el, e) {
+		Effect.toggle($('new_desc_<%= n.id %>'), 'blind');
+		Event.stop(e);
+	};
+<% end %>
+</script>
+
+<!-- Calendario -->
+<div class="box div_calendario">
+	<div class="cmd">
+		<%= link_to 'rss', :action => 'rss', :login => h(@user.login)%>
+		<%= link_to 'icalendar', :controller => 'events', :action => 'icalendar'%>
+	</div>
+	<h3>Calendário</h3>
+
+	<% @events.each do |event| %>
+		<% if last_event != event.date %>
+		<% if last_event %></ul></div><% end %>
+		<div class="date"><%= event.date.strftime("%d de %B") %></div>
+		<div><ul>
+		<% end %>
+			<li>
+				<div class="time"><%= event.time.strftime("%H:%M") %></div>
+				<%= link_to h(event.course.full_name), course_event_url(event.course, event) %> &rsaquo;
+				<a href="#" id="event_<%= event.id %>"><%= h(event.title) %></a>
+
+				<div id="desc_<%= event.id %>" class="description" style="display:none">
+					<%= h(event.description) %>
+					<%= "Sem descrição" if event.description.length == 0 %>
+				</div>
+			</li>
+			<% last_event = event.date %>
+	<% end %>
+	<%= "</ul></div>" if !@events.empty? %>
+</div>
+
+<script type="text/javascript">
+<% @events.each do |event| %>
+	events['#event_<%= event.id %>:click'] = function(el, e) {
+		Effect.toggle($('desc_<%= event.id %>'), 'blind');
+		Event.stop(e);
+	};
+<% end %>
+</script>
+
+
+<!-- Disciplinas Matriculadas -->
+<div class="box">
+	<h3>Disciplinas Matriculadas</h3>
+	<ul class="wiki">
+	<% @user.courses.each do |course| %>
+		<li><%= link_to h(course.full_name), course_url(course) %></li>
+	<% end %>
+	</ul>
+</div>
+
+<h4><%#= link_to 'Descadastrar usuário', :action => 'destroy'%></h4>
--- a/app/views/user/signup.html.erb
+++ b/app/views/user/signup.html.erb
@@ -0,0 +1,58 @@
+<h4 class="title"><%= App.title %></h4>
+<h1 class="title">Criar conta</h1>
+
+<p>
+<% form_tag :action=> "signup" do %>
+
+<%= error_messages_for 'user' %><br/>
+
+<label for="user_name">Nome</label><br/>
+<%= text_field "user", "name", :size => 20 %><br/>
+
+<label for="user_email">Email</label><br/>
+<%= text_field "user", "email", :size => 20 %><br/><br/>
+
+<label for="user_login">Login</label><br/>
+<%= text_field "user", "login", :size => 20 %><br/>
+
+<label for="user_password">Senha</label><br/>
+<%= password_field "user", "password", {:value => "", :size => 20, :id => 'password'} %><br/>
+
+<label for="user_password_confirmation">Confirmação de Senha</label><br/>
+<%= password_field "user", "password_confirmation", {:value => "", :size => 20} %><br/>
+
+<div id="passmeter">&nbsp;</div><br />
+
+<label for="user_pref_color">Cor de Preferência:</label>&nbsp;&nbsp;&nbsp;
+<%= select_tag("user[pref_color]", options_for_select( { 
+"Preto" => 0,
+"Verde (Claro)" => 1,
+"Azul (Claro)" => 2, 
+"Lilás" => 3,
+"Vermelho/Cinza" => 4,
+"Verde-limão" => 5,
+"Azul (Padrão)" => 6,
+"Vermelho" => 7,
+"Azul/Laranja" => 8,
+"Verde/Vermelho" => 9,
+"Pink" => 10,
+"Roxo" => 11,
+"Vinho" => 12,
+ }.sort)) %><br/><br/><br/>
+
+<label for="user_courses">Disciplinas matriculadas:</label><br/>
+<% @courses.each do |course| %>
+  <%= check_box_tag("user[course_ids][]", course.id, @user.courses.include?(course)) %>
+  <%= h(course.full_name) %><br/>
+<% end %>
+
+<% if @courses.empty? %>
+	Nenhuma disciplina cadastrada<br/>
+<% end %>
+
+<br/><br/>
+
+<%= submit_tag "Enviar" %>
+
+<% end %>
+</p>
--- a/app/views/users/_form_profile.html.haml
+++ b/app/views/users/_form_profile.html.haml
@@ -0,0 +1,18 @@
+= error_messages_for 'user'
+
+%dl
+  %dt
+    %label{:for => 'user_display_name'} Nome de Exibição
+  %dd= text_field('user', 'display_name')
+
+  %dt
+    %label{:for => 'user_name'} Nome completo
+  %dd= text_field('user', 'name')
+
+  %dt
+    %label{:for => 'user_description'} Descrição
+  %dd= text_area('user', 'description', { :rows => 10 })
+
+  - if admin?
+    %dt= check_box_tag('user[admin]', 1, @user.admin?) + " Administrador"
+
--- a/app/views/users/_form_settings.html.haml
+++ b/app/views/users/_form_settings.html.haml
@@ -0,0 +1,37 @@
+= javascript_include_tag 'color'
+= error_messages_for 'user'
+
+%dl
+  - if defined?(signup) and signup
+    %dt
+      %label{:for => 'user_login'} Login
+    %dd= text_field('user', 'login')
+
+  %dt
+    %label{:for => 'user_name'} Nome completo
+  %dd= text_field('user', 'name')
+
+  %dt
+    %label{:for => 'user_display_name'} Nome de exibição
+  %dd= text_field('user', 'display_name')
+
+  %dt
+    %laber{:for => 'user_email'} Email
+  %dd= text_field('user', 'email')
+
+
+  %dt
+    %label{:for => 'user_password'} Senha
+  %dd= password_field('user', 'password', {:value => '', :id => 'password'})
+
+  %dt
+    %label{:for => 'user_password_confirmation'} Confirmação de Senha
+  %dd= password_field('user', 'password_confirmation', {:value => ''})
+
+  #passmeter &nbsp;
+
+  %dt
+    %label{:for => 'user_color_pref'} Esquema de cores
+    = render :partial => 'widgets/color', :collection => App.color_schemes
+  %br.clear
+
--- a/app/views/users/_form_signup.html.haml
+++ b/app/views/users/_form_signup.html.haml
@@ -0,0 +1,35 @@
+= javascript_include_tag 'color'
+= error_messages_for 'user'
+
+%dl
+  %dt
+    %label{:for => 'user_login'} Login
+  %dd= text_field('user', 'login')
+
+  %dt
+    %label{:for => 'user_name'} Nome Completo
+  %dd= text_field('user', 'name')
+
+  %dt
+    %label{:for => 'user_display_name'} Nome de exibição (apelido)
+  %dd= text_field('user', 'display_name')
+
+  %dt
+    %laber{:for => 'user_email'} Email
+  %dd= text_field('user', 'email')
+
+
+  %dt
+    %label{:for => 'user_password'} Senha
+  %dd= password_field('user', 'password', {:value => '', :id => 'password'})
+
+  %dt
+    %label{:for => 'user_password_confirmation'} Confirmação de Senha
+  %dd= password_field('user', 'password_confirmation', {:value => ''})
+
+  #passmeter &nbsp;
+  
+  %dt
+    %label{:for => 'user_color_pref'} Esquema de cores
+    = render :partial => 'widgets/color', :collection => App.color_schemes
+  %br.clear
--- a/app/views/users/_user.html.haml
+++ b/app/views/users/_user.html.haml
@@ -0,0 +1 @@
+%li= link_to h(user.name), user_path(user)
--- a/app/views/users/dashboard.html.erb
+++ b/app/views/users/dashboard.html.erb
@@ -0,0 +1,49 @@
+<% last_event = nil %>
+
+<h4 class="title">Dashboard</h4>
+<h1 class="title">Bem vindo, <%= h(@current_user.display_name) %></h1>
+
+<!-- Noticias -->
+<div class="news box">
+	<h3>Notícias recentes</h3>
+<% @news.each do |n| %>
+	<div class="line">
+		<h4 class="left"><%= n.timestamp.strftime("%d de %B") %></h4>
+		<h4><%= link_to h(n.course.full_name) , course_url(n.course) %> &rsaquo;
+		<%= link_to h(n.title), course_news_url(n.course, n) %></h4>
+	</div>
+<% end %>
+</div>
+
+<!-- Calendario -->
+<div class="box div_calendario">
+	<h3>Próximos eventos</h3>
+
+	<% @events.each do |event| %>
+		<% if last_event != event.date %>
+		<% if last_event %></ul></div><% end %>
+		<div class="date"><%= event.date.strftime("%d de %B") %></div>
+		<div><ul>
+		<% end %>
+			<li>
+				<div class="time"><%= event.time.strftime("%H:%M") %></div>
+				<%= link_to h(event.course.full_name), course_url(event.course) %> &rsaquo;
+				<%= link_to h(event.title), course_event_url(event.course, event) %>
+			</li>
+			<% last_event = event.date %>
+	<% end %>
+	<%= "</ul></div>" if !@events.empty? %>
+</div>
+
+
+<!-- Disciplinas Matriculadas -->
+<div class="box">
+	<h3>Disciplinas Matriculadas</h3>
+	<ul class="wiki">
+	<% @current_user.courses.each do |course| %>
+		<li><%= link_to h(course.full_name), course_url(course) %></li>
+	<% end %>
+	</ul>
+</div>
+
+<h4><%#= link_to 'Descadastrar usuário', :action => 'destroy'%></h4>
--- a/app/views/users/edit.html.haml
+++ b/app/views/users/edit.html.haml
@@ -0,0 +1,13 @@
+= javascript_include_tag 'wiki'
+
+%h4.title Usuários
+%h1.title Editar perfil
+
+%p
+  - form_tag user_path(@user.id), :method => 'put' do
+    = render :partial => 'form_profile'
+    = submit_tag 'Editar'
+    %button#show_preview{:type => "button"}
+      Visualizar
+      = image_tag "loading.gif", :class => "spinner_button", :id => "spinner_preview", :style => "display: none"
+  #wiki_preview{:style => "display: none"}
--- a/app/views/users/index.html.haml
+++ b/app/views/users/index.html.haml
@@ -0,0 +1,7 @@
+- cache do
+  %h4.title= App.title
+  %h1.title Usuários
+
+  .box
+    %ul
+      = render :partial => @users
--- a/app/views/users/login.html.haml
+++ b/app/views/users/login.html.haml
@@ -0,0 +1,25 @@
+%h4.title= App.title
+%h1.title Login
+
+%p
+  = error_messages_for :user
+  
+  - form_tag login_path do
+    %dl
+      %dt
+        %label{:for => 'user_login'} Login
+      %dd= text_field "user", "login"
+
+      %dt
+        %label{:for => 'user_password'} Senha
+      %dd= password_field "user", "password"
+
+      %dt
+        = check_box_tag('remember_me', 1)
+        %label{:for => 'remember_me'} Lembrar de mim neste computador
+
+    = submit_tag 'Login'
+
+  %br
+  = link_to 'Criar nova conta', signup_path
+  =# link_ro 'Recuperar senha', recover_password_path
--- a/app/views/users/settings.html.haml
+++ b/app/views/users/settings.html.haml
@@ -0,0 +1,7 @@
+%h4.title Usuários
+%h1.title Editar configurações
+
+%p
+  - form_tag settings_url do
+    = render :partial => 'form_settings'
+    = submit_tag 'Editar'
--- a/app/views/users/show.html.haml
+++ b/app/views/users/show.html.haml
@@ -0,0 +1,14 @@
+- cache do
+  #users
+    .cmd
+      = action_icon('edit', 'Editar perfil', edit_user_url) if admin? or @current_user == @user
+      /= action_icon 'trash', 'Excluir usuário', user_url, :confirm => 'Tem certeza que deseja excluir?', :method => :delete
+
+    .card
+      %img.avatar{:src => gravatar_url_for(@user.email)}
+      %h1.title= h(@user.display_name)
+      %p= h(@user.name)
+      %p= "Membro desde {c}"[:member_since, @user.created_at.strftime("%d de %B de %Y")]
+      %p= "Última visita há {c}"[:last_seen, distance_of_time_in_words(Time.now, @user.last_seen)]
+
+    = wiki @user.description if !@user.description.blank?
--- a/app/views/users/signup.html.haml
+++ b/app/views/users/signup.html.haml
@@ -0,0 +1,7 @@
+%h4.title= App.title
+%h1.title Nova conta
+
+%p
+  - form_tag signup_path do
+    = render :partial => 'form_settings', :locals => { :signup => true }
+    = submit_tag 'Criar'
--- a/app/views/widgets/_color.html.haml
+++ b/app/views/widgets/_color.html.haml
@@ -0,0 +1,4 @@
+.color_theme
+  = radio_button('user', 'pref_color', App.color_schemes.index(color), :class => 'color_radio')
+  - color.each do |c|
+    .color_box{:style => "background-color: #{c}"} &nbsp;
--- a/app/views/widgets/calendario.html.erb
+++ b/app/views/widgets/calendario.html.erb
@@ -0,0 +1,100 @@
+
+<% if not @ajax %>
+	<!-- Calendario -->
+	<div class="menu">
+		<%= image_tag "loading.gif", :id => "spinner_calendar",
+				:class => "spinner", :style => "display:none" %>
+        <div class="cmd">
+          <%= action_icon 'add', 'Adicionar evento', new_course_event_url(@course) %>
+        </div>
+		<h1>Calendário</h1>
+		<div id="calendar">
+<% end -%>
+		<%=
+			@year   ||= Time.now.year
+			@month  ||= Time.now.month
+      @events ||= @course.events
+
+			calendar({:year => @year, :month => @month, :table_class => 'calendario',
+					:abbrev => (0..1) }) do |d|
+
+			  cell_text = d.mday
+			  cell_attrs = {:class => 'day'}
+			  @events.each do |e|
+				if e.date == d
+					cell_attrs[:onclick] = "show_events('#{d.to_s}')"
+					cell_attrs[:class] = 'specialDay'
+					cell_text = link_to d.mday, "#"
+				end
+			  end
+			  [cell_text, cell_attrs]
+			end
+		%>
+<% if not @ajax -%>
+		</div>
+		<div class="widget_events">
+			<ul>
+				<% @events.each do |e| -%>
+				<li style="display: none" class="event_item events_<%=e.date.to_s%>">
+					<%= link_to e.date.strftime("%d de %B"), course_event_url(@course, e) %>.
+					<%= h(e.title) %>. <%= h(e.description) %>
+				</li>
+				<% end -%>
+			</ul>
+		</div>
+	</div>
+<% end -%>
+
+<% if not @ajax -%>
+	<script type="text/javascript">
+		calendar_year  = <%= @year %>;
+		calendar_month = <%= @month %>;
+
+		events['#calendar_next:click'] = function(element, e) {
+			if(++calendar_month > 12) {
+				calendar_month = 1;
+				calendar_year++;
+			}
+			
+			<% if @course %>
+			url = '/widgets/calendar/<%= @course.id %>/' + calendar_year + '/' + calendar_month;
+			<% end %>
+
+			spinner_start('calendar');
+			new Ajax.Updater('calendar', url, {
+				onComplete: function() {
+					spinner_stop('calendar');
+				}
+			});
+			Event.stop(e);
+		};
+
+		events['#calendar_prev:click'] = function(element, e) {
+			if(--calendar_month < 1) {
+				calendar_month = 12;
+				calendar_year--;
+			}
+
+			<% if @course %>
+			url = '/widgets/calendar/<%= @course.id %>/' + calendar_year + '/' + calendar_month;
+			<% end %>
+
+			spinner_start('calendar');
+			new Ajax.Updater('calendar', url, {
+				onComplete: function() {
+					spinner_stop('calendar');
+				}
+			});
+
+			Event.stop(e);
+		};
+
+		function show_events(e) {
+			$$('.event_item').each(function(x) {
+				if(x.match('.events_' + e)) x.show();
+				else x.hide();
+			});
+		}
+	</script>
+<% end -%>
+
--- a/app/views/widgets/menu_disciplina.html.erb
+++ b/app/views/widgets/menu_disciplina.html.erb
@@ -0,0 +1,10 @@
+	<!-- Menu Disciplina -->
+	<div class="menu">
+		<h1>Disciplina</h1>
+		<ul>
+			<li><%= link_to "Visão Geral", course_url(@course) %></li>
+			<li><%= link_to "Noticias", course_news_index_url(@course) %></li>
+			<li><%= link_to "Calendário", course_events_url(@course) %></li>
+			<li><%= link_to "Mudanças recentes", course_log_url(@course) %></li>
+		</ul>
+	</div>
--- a/app/views/widgets/menu_navigation.html.haml
+++ b/app/views/widgets/menu_navigation.html.haml
@@ -0,0 +1,5 @@
+.menu
+  %h1= App.title
+  %ul
+    %li= link_to "Courses"[].titleize, courses_url 
+    %li= link_to "Users"[].titleize, users_url 
--- a/app/views/widgets/menu_user.html.haml
+++ b/app/views/widgets/menu_user.html.haml
@@ -0,0 +1,7 @@
+- if session[:user_id]
+  .menu
+    %h1= "User"[].titleize
+    %ul
+      /%li= link_to "Dashboard"[].titleize, dashboard_path
+      %li= link_to("User profile"[].titleize, user_url(session[:user_id]))
+      %li= link_to("Edit settings"[].titleize, settings_url)
--- a/app/views/widgets/news.html.erb
+++ b/app/views/widgets/news.html.erb
@@ -0,0 +1,22 @@
+	<!-- Mural -->
+	<div class="menu">
+    <div class="cmd">
+      <%= action_icon 'add', 'Adicionar notícia', new_course_news_url(@course) %>
+    </div>
+		<h1>Noticias</h1>
+		<ul class="widget_news">
+		<% @course.news[0..3].each do |msg| %>
+			<li>
+				<h4><%= tz(msg.timestamp).strftime("%d/%m") %></h4>
+				<%= link_to msg.title, course_news_url(@course, msg) %>.
+				<%= truncate(msg.body, 80) %>
+			</li>
+		<% end %>
+    <% if @course.news.size > 4 %>
+    <li><%= link_to("Ver todas as notícias", course_news_index_url(@course)) %></li>
+    <% end %>
+		<% if @course.news.empty? %>
+			<li class="no_itens">Nenhuma notícia</li>
+		<% end %>
+		</ul>
+	</div>
--- a/app/views/widgets/shoutbox.html.erb
+++ b/app/views/widgets/shoutbox.html.erb
@@ -0,0 +1,44 @@
+<% receiver = @user ? @user : @course %>
+	<!-- Shoutbox -->
+	<div class="menu">
+		<h1>Shoutbox</h1>
+		<div id="shoutbox">
+			<ul id="shoutbox_messages">
+				<li>Carregando...</li>
+			</ul>
+			<% if session[:user] %>
+			<% form_tag(
+				{:controller => 'message', :action => 'create'}, {:id => 'shoutbox_form' }) do %>
+				<div>
+					<%= text_area :message, :body %>
+					<%= hidden_field :message, :message_type, :value => (@user ? Message::USER_SHOUTBOX_MESSAGE : Message::SHOUTBOX_MESSAGE) %>
+					<%= hidden_field :message, :receiver_id, :value => receiver.id %>
+					<%= submit_tag 'Enviar', :id => 'shoutbox_send' %>
+				</div>
+			<% end %>
+			<% else %>
+				<i>Para enviar mensagens, é preciso fazer <%= link_to 'login', :controller => 'user', :action => 'login' %>.</i>
+			<% end %>
+		</div>
+	</div>
+
+	<script type="text/javascript">
+		var updater = new Ajax.PeriodicalUpdater('shoutbox_messages',
+				'<%= url_for :controller => 'message', :action => 'show_shoutbox' + (@user?'_user':''), :id => receiver.id %>',
+				{ method: 'get', frequency: 10, decay: 1.5}
+		);
+
+		events['#shoutbox_send:click'] = function(button, e) {			
+			Event.stop(e);
+			button.disabled = true;
+			$('shoutbox_form').request({
+				method: 'post',
+				onSuccess: function(t) {
+					button.disabled = false;
+					updater.stop();
+					updater.start();
+					$('shoutbox_form').reset();
+				}
+			});
+		};
+	</script>
--- a/app/views/wiki/_form.html.haml
+++ b/app/views/wiki/_form.html.haml
@@ -0,0 +1,15 @@
+= error_messages_for 'wiki_page'
+
+%dl
+  %dt
+    %label{:for => 'wiki_page_title'} Título
+  %dd= text_field 'wiki_page', 'title'
+
+  %dt
+    %label{:for =>'wiki_page_content'} Conteúdo
+  %dd= preserve(text_area('wiki_page', 'content'))
+    
+  - unless @wiki_page.new_record?
+    %dt
+      %label{:for => 'wiki_page_description'} Descrição das alterações
+    %dd= text_field('wiki_page', 'description', { :size => '80' })
--- a/app/views/wiki/_history.html.haml
+++ b/app/views/wiki/_history.html.haml
@@ -0,0 +1,6 @@
+= action_icon('undo', "Reverter", edit_course_wiki_url(@course, @wiki_page, :description => "Revertendo para versão #{page.version}", :version => page.version)) + "&nbsp;"
+= link_to page.updated_at.strftime("%d/%m/%y&nbsp;%H:%M:%S"), course_wiki_url(@course, @wiki_page, :version => page.version)
+= "por #{link_to h(page.user.display_name), user_path(page.user)}" if page.respond_to?(:user) and !page.user.nil?
+
+- if page.description and !page.description.empty?
+  = "(<i>#{h(page.description)}</i>)"
--- a/app/views/wiki/diff.html.haml
+++ b/app/views/wiki/diff.html.haml
@@ -0,0 +1,11 @@
+%h4.title= h(@course.full_name)
+%h1.title= h(@wiki_page.title)
+
+%p
+  Comparando versões:
+  %ul
+    %li= render :partial => 'wiki/history', :locals => { :page => @to } 
+    %li= render :partial => 'wiki/history', :locals => { :page => @from }
+
+  = link_to "Comparar outras versões", versions_course_wiki_url(@course, @wiki_page, :from => @from.version, :to => @to.version)
+  = format_diff h(@diff)
--- a/app/views/wiki/edit.html.haml
+++ b/app/views/wiki/edit.html.haml
@@ -0,0 +1,14 @@
+= javascript_include_tag 'wiki'
+
+%h4.title= h(@course.full_name)
+%h1.title= "Editar #{h(@wiki_page.title)}"
+
+%p
+  - form_tag course_wiki_url(@course, @wiki_page.id), :method => :put do
+    = render :partial => 'form'
+    = submit_tag 'Salvar'
+    %button#show_preview{:type => "button"}
+      Visualizar
+      = image_tag "loading.gif", :class => "spinner_button", :id => "spinner_preview", :style => "display: none"
+  #wiki_preview{:style => "display: none"}
+
--- a/app/views/wiki/new.html.haml
+++ b/app/views/wiki/new.html.haml
@@ -0,0 +1,13 @@
+= javascript_include_tag 'wiki'
+
+%h4.title= h(@course.full_name)
+%h1.title Adicionar página wiki
+
+%p
+  - form_tag course_wiki_url(@course, @wiki_page.id) do
+    = render :partial => 'form'
+    = submit_tag "Criar"
+    %button#show_preview{:type => "button"}
+      Visualizar
+      = image_tag "loading.gif", :class => "spinner_button", :id => "spinner_preview", :style => "display: none"
+  #wiki_preview{:style => "display: none"}
--- a/app/views/wiki/show.html.haml
+++ b/app/views/wiki/show.html.haml
@@ -0,0 +1,16 @@
+= javascript_include_tag 'wiki'
+
+.cmd
+  = action_icon 'edit', 'Editar', edit_course_wiki_url
+  = action_icon 'undo', 'Historico', versions_course_wiki_url
+  = action_icon 'trash', 'Excluir página wiki', course_wiki_url, :confirm => 'Tem certeza que deseja excluir?', :method => :delete
+
+- cache(:action => 'show', :short_name => h(@course.short_name), :title => h(@wiki_page.title) ) do
+
+  %h4.title= h(@course.full_name)
+  %h1.title= h(@wiki_page.title)
+  #wiki_text
+    = @wiki_page.to_html
+
+%script{:language => 'javascript'}
+  == enumerate_headers();
--- a/app/views/wiki/versions.html.haml
+++ b/app/views/wiki/versions.html.haml
@@ -0,0 +1,34 @@
+%h4.title= h(@course.full_name)
+%h1.title= "Histórico de #{h(@wiki_page.title)}"
+%br
+
+= javascript_include_tag "history"
+
+%script{:language => 'javascript'}
+  == radios_to = #{h(@history_to)};
+  == radios_from = #{h(@history_from)};
+
+- form_tag diff_course_wiki_url(@course, @wiki_page), :method => :get do
+  %button{:type => "submit"}= "Comparar as versões selecionadas"
+  %table.log
+    %tr
+      %th.narrow &nbsp;
+      %th.narrow &nbsp;
+      %th Data
+      %th Usuário
+      %th Descrição
+    - @wiki_page.versions.reverse.each do |entry|
+      %tr
+        %td.narrow
+          %input{:type => "radio", :name => "from", :value => entry.version, :onclick => "history_from(#{entry.version})"}
+        %td.narrow
+          %input{:type => "radio", :name => "to", :value => entry.version, :onclick => %"history_to(#{entry.version})"}
+        %td= link_to(entry.updated_at.strftime("%d/%m/%y&nbsp;%H:%M:%S"), course_wiki_url(@course, @wiki_page, :version => entry.version))
+        %td= link_to truncate(h(entry.user.display_name), 20), user_path(entry.user)
+        %td
+          = entry.description
+          - if (entry.version > @wiki_page.versions.minimum(:version))
+            = "(" + link_to("diff", diff_course_wiki_url(@course, @wiki_page, :from => entry.version - 1, :to => entry.version)) + ")"
+          = "(" + link_to("edit", edit_course_wiki_url(@course, @wiki_page, :description => "Revertendo para versão #{entry.version}", :version => entry.version)) + ")"
+
+/= will_paginate @versions
--- a/app/views/wiki/versions.xml.builder
+++ b/app/views/wiki/versions.xml.builder
@@ -0,0 +1,15 @@
+xml.instruct! :xml, :version=>"1.0" 
+xml.versions do
+	xml.count @wiki_page.versions.count
+	xml.offset @offset
+	@wiki_page.versions[(@offset.to_i)..(@offset.to_i+30)].reverse.each do |version|
+		xml.version do
+			xml.created_at version.created_at
+			xml.updated_at version.updated_at
+			xml.description version.description
+			xml.title version.title
+			xml.user_id version.user_id
+			xml.version version.version
+		end
+	end
+end