lib/model/mongo_db/customizable.rb
module Model
module MongoDb
module Customizable
extend ActiveSupport::Concern
included do
# cache association as a shortcut
belongs_to :product
# for cases like f.object.send(association).klass.new in link_to_add_fields(name, f, association, options = {})
after_initialize :cache_product_association
before_validation :cache_product_association
private
def cache_product_association
raise NotImplementedError
end
end
end
end
end