require "action_controller/log_subscriber"

class ActionController::LogSubscriber # rubocop:disable ClassAndModuleChildren
  # Log as info to show Processing messages in production
  def start_processing(event)
    controller_logger(event).info { "Processing ##{event.payload[:action]}" }
  end

  private

  # Returns the logger for the supplied event.
  # Returns ActionController::Base.logger if no controller is present
  def controller_logger(event)
    if (controller = event.payload[:controller])
      begin
        controller.constantize.logger
      rescue NameError
        ActionController::Base.logger
      end
    else
      ActionController::Base.logger
    end
  end
end