Module: Loggerator::Railtie::Helper

Extended by:
Helper
Included in:
Helper
Defined in:
lib/loggerator/railtie/helper.rb

Instance Method Summary collapse

Instance Method Details

#detach_existing_subscribers ⇒ Object 



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# File 'lib/loggerator/railtie/helper.rb', line 15

def detach_existing_subscribers
  ActiveSupport::LogSubscriber.log_subscribers.each do |subscriber|
    case subscriber
    when ActionView::LogSubscriber
      unsubscribe(:action_view, subscriber)
    when ActionController::LogSubscriber
      unsubscribe(:action_controller, subscriber)
    end
  end
end

#events_for_subscriber(subscriber) ⇒ Object 



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# File 'lib/loggerator/railtie/helper.rb', line 43

def events_for_subscriber(subscriber)
  subscriber.public_methods(false).reject {|method| method.to_s == 'call' }
end

#setup(_app) ⇒ Object 



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# File 'lib/loggerator/railtie/helper.rb', line 8

def setup(_app)
  return unless subscribe?

  detach_existing_subscribers
  Loggerator::Railtie::LogSubscriber.attach_to(:action_controller)
end

#subscribe? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/loggerator/railtie/helper.rb', line 26

def subscribe?
  !Loggerator.config.rails_default_subscribers
end

#unsubscribe(component, subscriber) ⇒ Object 



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# File 'lib/loggerator/railtie/helper.rb', line 30

def unsubscribe(component, subscriber)
  events = events_for_subscriber(subscriber)

  events.each do |event|
    notifier = ActiveSupport::Notifications.notifier
    notifier.listeners_for("#{event}.#{component}").each do |listener|
      if listener.instance_variable_get('@delegate') == subscriber
        ActiveSupport::Notifications.unsubscribe(listener)
      end
    end
  end
end