Module: Trax::Model::MTI::Abstract::ClassMethods

Defined in:
lib/trax/model/mti/abstract.rb

Instance Method Summary collapse

Instance Method Details

#entity_model(options) ⇒ Object 



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# File 'lib/trax/model/mti/abstract.rb', line 53

def entity_model(options)
  valid_options = options.assert_valid_keys(:class_name, :foreign_key)

  mti_config.merge!(valid_options)

  self.has_one(:entity, mti_config.symbolize_keys)
  self.accepts_nested_attributes_for(:entity)
end

#inherited(subklass) ⇒ Object 



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# File 'lib/trax/model/mti/abstract.rb', line 21

def inherited(subklass)
  super(subklass)

  subklass.after_create do |record|
    entity_model = mti_config[:class_name].constantize.new

    record.attributes.each_pair do |k,v|
      entity_model.__send__("#{k}=", v) if entity_model.respond_to?(k)
    end

    entity_model.save
  end

  subklass.after_update do |record|
    entity_model = record.entity

    if record.changed.any?
      record.changes.each_pair do |k,v|
        entity_model.__send__("#{k}=", v[1]) if entity.respond_to?(:"#{k}")
      end
    end

    entity_model.save if entity_model.changed.any?
  end

  subklass.after_destroy do |record|
    entity_model = record.entity

    entity_model.destroy
  end
end