Rails Sitemap

index.xml.erb

<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
<% @pages.each do |path, timestamp| %>
  <url>
    <loc>https://knowatoa.com<%= path %></loc>
    <lastmod><%= timestamp.strftime("%Y-%m-%d") %></lastmod>
  </url>
<% end %>

</urlset>

routes.rb

  # Sitemaps
  get 'sitemap.xml', to: 'sitemaps#index', defaults: { format: 'xml' }

sitemaps_controller.rb

class SitemapsController < ApplicationController
  # Creates a sitemap index file referring to the other sitemaps
  def index
    @sitemaps = []

    # MARKETING PAGES
    # Get from the pages view folder
    dir_path = "app/views/pages/"
    most_recent_file = Dir.glob(File.join(dir_path, '*')).max_by { |f| File.mtime(f) }

    # Overall sitemap last modified date
    @last_modified = File.mtime(most_recent_file)

    @pages = {}

    # Marketing Pages
    file_paths = [
      '/',
      '/contact',
      '/tos',
      '/privacy-policy',
      '/about',
      '/pricing'
    ]

    # Platform Firewall Pages
    file_paths.each do |page_path|
      @pages[page_path] = @last_modified
    end

  end

end