fiedl/your_platform

concern :NavableCaching do

  included do
    cache :breadcrumbs
    cache :ancestor_nav_nodes
    cache :ancestor_navables

    cache :nav_child_page_ids
    cache :nav_child_group_ids
    cache :nav_title
  end

  def fill_cache
    super

    # If we change the title of the current navable, it will affect
    # the navigation of the descendants.
    #
    # Check if the ancestor_navables of the first descendant change.
    # If they don't, we can skip this part.
    #
    if self.descendants.first
      if self.descendants.first.respond_to? :ancestor_navables
        ancestor_navables_from_cache = self.descendants.first.read_cached :ancestor_navables
        new_ancestor_navables = self.descendants.first.ancestor_navables

        if ancestor_navables_from_cache.try(:map, &:title) != new_ancestor_navables.try(:map, &:title)
          self.descendants.each do |descendant|
            if descendant.respond_to? :ancestor_nav_nodes
              Sidekiq::Logging.logger.info "#{self.title} # navable caching for #{descendant.title}" if Sidekiq::Logging.logger && (! Rails.env.test?)

              descendant.ancestor_nav_nodes
              descendant.ancestor_navables
              descendant.breadcrumbs
            end
          end
        end
      end
    end
  end

end