gistfile1.rb

json.gallery do |g|
  g.info do |info|
    info.title     @gallery.title            if @gallery.title
    info.image     @gallery.image.l(:medium) if @gallery.image
    info.parent_id @gallery.parent_id        if @gallery.parent_id
    info.root      true                  unless @gallery.parent_id
  end
  @gallery.photos.each do |photo|
    g.photos do |p|
      p.id          photo.id
      p.title       photo.title
      p.description photo.description
      p.image       photo.image.l(:medium) if photo.image
    end
  end
  @gallery.galleries.each do |gallery|
    g.galleries do |gg|
      gg.id    gallery.id
      gg.title gallery.title
      gg.meta  concat_meta(gallery)
    end
  end
end