[Ruby / Rails] LinkshareFeed class suggestion

linkshare_feed.rb

class LinkshareFeed
  def initialize order
    @order = order
    @items = order.line_items
  end

  def sku_list
    "#{@items.map(&:sku).join('|')}|Discount"
  end

  def parameters
    {
      sku_list: sku_list
    }
  end
end

class Order < ActiveRecord::Base
  def linkshare_feed
    @linkshare_feed ||= LinkshareFeed.new self
  end
end