config/sitemap.rb

sitemap.rb

# Set the host name for URL creation
protocol = ENV['PROTOCOL'] || 'http'

SitemapGenerator::Sitemap.default_host = "#{protocol}://#{ENV['HOST']}"

SitemapGenerator::Sitemap.compress = false

SitemapGenerator::Sitemap.create do
  add('/topics')
  add('/concepts')
  add('/?search=true')

  Article.published.each do |o|
    add o.base_uri, :lastmod => o.updated_at
  end

  Image.published.each do |o|
    add o.base_uri, :lastmod => o.updated_at
  end

  Video.published.each do |o|
    add o.base_uri, :lastmod => o.updated_at
  end

  Document.published.each do |o|
    add o.base_uri, :lastmod => o.updated_at
  end

  Embed.published.each do |o|
    add o.base_uri, :lastmod => o.updated_at
  end

  self.class.send(:include, TagsHelper)

  ActsAsTaggableOn::Tag.all.each do |o|
    if o.taggings.first.try(:context)
      add tag_path(o, o.taggings.first.context), :lastmod => o.touched_at
    end
  end
end