Module: Saml::Notification::ClassMethods

Defined in:
lib/saml/notification.rb

Instance Method Summary collapse

Instance Method Details

#method_added(name) ⇒ Object 



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# File 'lib/saml/notification.rb', line 52

def method_added(name)
  wrap_with_notification(name, true) if should_wrap?(name)
end

#notify(method, result) ⇒ Object 



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# File 'lib/saml/notification.rb', line 27

def notify(method, result)
  class_name = self.name.demodulize.underscore
  ActiveSupport::Notifications.instrument "#{method}.#{class_name}.saml", result
  result
end

#notify_on(*options) ⇒ Object 



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# File 'lib/saml/notification.rb', line 33

def notify_on(*options)
  options.present? ? @notify_on = options : @notify_on
end

#should_wrap?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/saml/notification.rb', line 37

def should_wrap?(name)
  @notify_on ||= []
  @exclude   ||= []

  return false if @notify_on.exclude?(name) || @exclude.include?(name.to_s)
  @exclude << "#{name}_with_notification"
  @exclude << "#{name}_without_notification"
  @exclude << "#{name}"
  true
end

#singleton_method_added(name) ⇒ Object 



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# File 'lib/saml/notification.rb', line 48

def singleton_method_added(name)
  wrap_with_notification(name, false) if should_wrap?(name)
end

#wrap_with_notification(method, instance_method) ⇒ Object 



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# File 'lib/saml/notification.rb', line 10

def wrap_with_notification(method, instance_method)
  wrapper = <<-RUBY
    define_method "#{method}_with_notification" do |*args|
      notify "#{method}", send("#{method}_without_notification", *args)
    end

    alias_method "#{method}_without_notification", :#{method}
    alias_method :#{method}, "#{method}_with_notification"
  RUBY

  if instance_method
    class_eval wrapper
  else
    class_eval "class << self; #{wrapper}; end"
  end
end