Aside Categories List Generator

aside_categories.rb

# encoding: utf-8
#
# Aside categories list generator
#
# @author: jaceju
# @version: 0.0.1 alpha

module Jekyll

  class Site
    def build_categories_list
      self.build_categories_template
      self.build_categories_html
    end

    def build_categories_template
      unless self.config['default_asides'].include?(file)
        file = File.join("asides", "categories.html")
        path = File.join("_includes", file)
        self._source_write_file path, self._get_template
        self.config['default_asides'][1, 0] = [file]
      end
    end

    def _get_template
      root = self.config["root"]
      content = """
        <section>
          <h1>Categories</h1>
          <ul id=\"categories\">
          </ul>
        </section>
        <script>
        $.domReady(function(){
          $.ajax({
            url: \"#{root}categories.html\",
            method: \"get\",
            error: function (err) { },
            success: function (html) {
              $(\"#categories\").html(html);
            }
          });
        });
        </script>
      """
    end

    def build_categories_html

      html = ""
      self.categories.keys.each do |category|
        url = '/' + File.join(self.config['category_dir'], category.gsub(/_|\P{Word}/, '-').gsub(/-{2,}/, '-').downcase)
        html += "<li><a href=\"" + url + "\">" + category + "</a></li>\n"
      end

      self._source_write_file "categories.html", html

    end

    def _source_write_file(path, content)
      path = File.join(self.source, path);
      FileUtils.mkdir_p(File.dirname(path))
      File.open(path, 'w') do |f|
        f.write(html)
      end
    end

  end

  class AsideCategories < Generator
    safe true
    priority :low

    def generate(site)
      site.build_categories_list
    end

  end
end