# Filters added to this controller apply to all controllers in the application.
# Likewise, all the methods added will be available for all controllers.
 
class ApplicationController < ActionController::Base
  helper :all # include all helpers, all the time
  filter_parameter_logging :password, :password_confirmation, :key
  helper_method :current_user_session, :current_user, :cu
  #before_filter :require_iphone
 
  private
    def current_user_session
      return @current_user_session if defined?(@current_user_session)
      @current_user_session = UserSession.find
    end
 
    def current_user
      return @current_user if defined?(@current_user)
      @current_user = current_user_session && current_user_session.user
    end
 
    def require_iphone
      if request.format == Mime::JSON
        unless iphone_user_agent? 
          render :json => :access_denied
        end
      end
    end
  
    def require_user
      unless current_user
        store_location
        flash[:notice] = 'Você precisa esta logado para acessar esta área.'
        redirect_to new_session_url
        return false
      end
    end
 
    def require_no_user
      if current_user
        store_location
        flash[:notice] = 'Está area é restrita apenas a usuários não logados.'
        redirect_to root_url
        return false
      end
    end
 
    def store_location
      session[:return_to] = request.request_uri
    end
 
    def redirect_back_or_default(default)
      redirect_to(session[:return_to] || default)
      session[:return_to] = nil
    end
 
    def iphone_user_agent?
      request.env["HTTP_USER_AGENT"] && request.env["HTTP_USER_AGENT"][/Igrejas\/RSFO/]
    end
end