# 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