Decorate relation object in a parent objects view partial

Question

I'm using Draper to decorate my objects.

I have a model 'starts' that has_one horse. I have a horse decorator that has a boy_or_girl method that I have refactored form the horse mode.

#{start.horse.boy_or_girl}"

I'm getting a method not found on the boy_or_girl method. How do i decorate the related horse?

Answer 1

Can't you just call draper in your partial #{start.horse.decorate.boy_or_girl}"?

If you want to call the decorator only in the controller, you should use decorates_association

I guess you will have something like

class StartDecorator < Draper::Base
  decorates :start
  decorates_association :horses
  ...
end

class HorseDecorator < Draper::Base
  decorates :horse

  def boy_or_girl
    # your code
  end
  ...
end

See also this question