module Projects
  # Service class for getting and caching the number of forks of a project.
  class ForksCountService < Projects::CountService
    def relation_for_count
      self.class.query(@project.id)
    end

    def cache_key_name
      'forks_count'
    end

    def self.query(project_ids)
      ForkNetworkMember.where(forked_from_project: project_ids)
    end
  end
end