ep06_listing_09.rb

module Advertisements
 class AdvertisementRepository
   def initialize(event_store = Rails.configuration.event_store)
     @repository = AggregateRoot::Repository.new(event_store)
   end

   def with_advertisement(advertisement_id, &block)
     stream_name = "Advertisement$#{advertisement_id}"
     repository.with_aggregate(Advertisement.new(advertisement_id), stream_name, &block)
   end

   private
   attr_reader :repository
 end
end