application_controller.rb

# encoding: utf-8
class ApplicationController < ActionController::Base
  protect_from_forgery
  before_filter  :set_temp_attachable_id, :prepare

private

  def prepare
    @categories =  Category.all
    @team = User.public.limit(4)
    @special_objects = RealtyObject.special.limit(12)
    @layout_options = {
      header_fixed: false,
      header_menu: true
    }
    @temp_attachable_id = session[:temp_attachments][:attachable_id]
  end

  def set_temp_attachable_id
    if request.env['REQUEST_METHOD'] == 'GET'
      session[:temp_attachments] = {
        attachable_id: rand(-2_000_000..-1_000_000),
        attachments_ids: []
      }
    end
  end
end