class Spud::ApplicationController < ActionController::Base
	unloadable
	protect_from_forgery
	helper_method :current_user_session, :current_user
	

  private
    def current_user_session
      return @current_user_session if defined?(@current_user_session)
      @current_user_session = SpudUserSession.find
    end

    def current_user
      return @current_user if defined?(@current_user)
      @current_user = current_user_session && current_user_session.spud_user
    end
    def require_user
      unless current_user
        store_location
        flash[:notice] = "You must be logged in to access this page"
        redirect_to new_spud_user_session_url
        return false
      end
      return true
    end

    def require_no_user
      if current_user
        store_location
        flash[:notice] = "You must be logged out to access this page"
        redirect_to root_url
        return false
      end
    end
    
    def store_location
      session[:return_to] = request.url
    end
    
    def redirect_back_or_default(default)
      redirect_to(session[:return_to] || default)
      session[:return_to] = nil
    end
end