Index Pagination about middleman-blog HOT 4 CLOSED

class BlogIndexPages
  def initialize(app)
    @app = app
  end

  # Update the main sitemap resource list
  # @return [void]
  def manipulate_resource_list(resources)
    new_resources = []

    per_page  = 1
    num_pages = (@app.blog.articles.length / per_page.to_f).ceil

    (1..num_pages).each do |num|
      p = ::Middleman::Sitemap::Resource.new(
        @app.sitemap,
        num == 1 ? "blog/index.html" : "blog/page/#{num}.html",
        "blog/index.html.erb"
      )
      p.add_metadata do
        @page_number = num
        @per_page = per_page
        @num_pages = num_pages
      end

      new_resources << p
    end

    resources + new_resources
  end
end

after_configuration do
  sitemap.register_resource_list_manipulator(
    :blog_index_pages,
    BlogIndexPages.new(self),
    false
  )
end