instance method process_action

# File actionpack/lib/action_controller/log_subscriber.rb, line 19
    def process_action(event)
      info do
        payload   = event.payload
        additions = ActionController::Base.log_process_action(payload)

        status = payload[:status]
        if status.nil? && payload[:exception].present?
          exception_class_name = payload[:exception].first
          status = ActionDispatch::ExceptionWrapper.status_code_for_exception(exception_class_name)
        end
        message = "Completed #{status} #{Rack::Utils::HTTP_STATUS_CODES[status]} in #{event.duration.round}ms".dup
        message << " (#{additions.join(" | ".freeze)})" unless additions.empty?
        message << "\n\n" if defined?(Rails.env) && Rails.env.development?

        message
      end
    end