jam-cloud/web/app/controllers/application_controller.rb

require 'bugsnag'
class ApplicationController < ActionController::Base
  protect_from_forgery
  include ApplicationHelper
  include SessionsHelper
  include ClientHelper

  # inject username/email into bugsnag data
  before_bugsnag_notify :add_user_info_to_bugsnag

  before_filter do
    gon_setup
  end

  before_filter :set_tracking_cookie

  before_filter do 
    if params[AffiliatePartner::PARAM_REFERRAL].present? && current_user.nil?
      if cookies[AffiliatePartner::PARAM_COOKIE].blank?
        code = params[AffiliatePartner::PARAM_REFERRAL].downcase
        cookies[AffiliatePartner::PARAM_COOKIE] = code if AffiliatePartner.is_code?(code)
      end
    end
  end

  def affiliate_code
    cookies[AffiliatePartner::PARAM_COOKIE]
  end


  # http://stackoverflow.com/questions/15807214/where-to-set-a-tracking-permanent-cookie-in-rails
  def set_tracking_cookie
    cookies.permanent[:user_uuid] = SecureRandom.uuid unless cookies[:user_uuid]
  end

  private
  def add_user_info_to_bugsnag(notif)
    # Add some app-specific data which will be displayed on a custom
    # "User Info" tab on each error page on bugsnag.com

    unless current_user.nil?
      notif.add_tab(:user_info, {
          name: current_user.name,
          email: current_user.email
      })
    end
  end
end