Module: Kvbean::Observing

Defined in:
lib/kvbean/observing.rb

Constant Summary collapse

CALLBACKS =

]

[
  :before_create, :before_destroy, :before_save, :before_update,
  :after_create, :after_destroy, :after_save,
  :after_update
]

Class Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/kvbean/observing.rb', line 13

def self.included(base)
  base.send :include, ActiveModel::Observing
  CALLBACKS.each do |callback|
    callback_method = :"notify_observers_#{callback}"

    base.class_eval <<-RUBY, __FILE__, __LINE__ + 1
      #{callback}(#{callback_method.inspect})

      def #{callback_method}(&block)
        notify_observers(#{callback.inspect}, &block)
      end
      private #{callback_method.inspect}
    RUBY
  end
end