module Polygallery
  module HasPolyphotos
    extend ActiveSupport::Concern

    included do
    end

    module ClassMethods
      def has_polyphotos(title='photos', options={})
        has_many title.to_sym, :class_name => 'Polygallery::Photo', :before_add => :set_nest, :dependent => :destroy
        accepts_nested_attributes_for title.to_sym, Gallery::DEFAULTS[:nested_attributes][:photo] # TODO: get the actual settings object somehow
        attr_accessor :photos_to_upload
        after_initialize do
          send(title.to_sym).build unless send(title.to_sym).any?
          # send(title.to_sym).each {|p| p.gallery_id ||= self.id }
        end
        include HasPolyphotos::LocalInstanceMethods
      end
    end

    module LocalInstanceMethods
      def set_nest(photo)
        photo.gallery ||= self
      end
    end
  end
end

ActiveRecord::Base.send :include, Polygallery::HasPolyphotos