Track users for every action (useful for logging in production)

gistfile1.txt

class ApplicationController < ActionController::Base

  prepend_before_filter :log_user

  def log_user
    begin
      if current_user
        Rails.logger.info "#{controller_name}##{action_name} triggered by user id ##{current_user.id}, params: #{params.inspect}"
      else
        Rails.logger.info "#{controller_name}##{action_name} triggered by not-signed-in user, params: #{params.inspect}"
      end
    rescue => ex
      Rails.logger.info "ApplicationController#log_user exception: #{ex.class} - #{ex.message}\n" + ex.backtrace.join("\n")
    end
  end

end