Contents

module Gluttonberg
  # Observe PageLocalization for any path/slug related changes
  class PageLocalizationObserver < ActiveRecord::Observer
    observe PageLocalization

    # Every time the localization is updated, we need to check to see if the
    # slug has been updated. If it has, we need to update it's cached path
    # and also the paths for all it's decendants.
    def before_validation(page_localization)
      if page_localization.slug_changed? || page_localization.new_record?
        page_localization.paths_need_recaching = true
        page_localization.regenerate_path
      elsif page_localization.path_changed?
        page_localization.paths_need_recaching = true
      end
    end

    # This is the business end. If the paths do have to be recached, we pile
    # through all the decendent localizations and tell each of those to recache.
    # Each of those will then also be observed and have their children updated
    # as well.
    def after_save(page_localization)
      if page_localization.paths_need_recaching? and !page_localization.page.children.blank?
        decendant_pages = page_localization.page.children

        decendant_pages.each do |d_p|
          update_decendants(page_localization, d_p)
        end
      end
    end

    private
      def update_decendants(page_localization, d_p)
        decendants = d_p.localizations.where(:locale_id => page_localization.locale_id).all
        unless decendants.blank?
          decendants.each do |l|
            l.paths_need_recaching = true
            if page_localization.page.home
              l.update_attributes(:path => "#{l.slug || l.page.slug}")
            else
              l.update_attributes(:path => "#{page_localization.path}/#{l.slug || l.page.slug}")
            end
          end
        end
      end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
gluttonberg-core-3.0.2	app/observers/gluttonberg/page_localization_observer.rb
gluttonberg-core-3.0.1	app/observers/gluttonberg/page_localization_observer.rb
gluttonberg-core-3.0.0	app/observers/gluttonberg/page_localization_observer.rb