class SiteController

def show_page
  url = params[:url]
  url = if Array === url
          url.join('/')
        else
          url.to_s
        end
  if @page = find_page(url)
    batch_page_status_refresh if url == '/' || url == ''
    # This is a bit of a hack to get Vanity URL pages working in another extension
    # In Rails 2, redirect_to halted execution, so process_page could be aliased and
    # a redirect could be used. This no longer works. There's a better fix for this,
    # but for now, anything that aliases process_page can return false if it's rendering
    # or redirecting on its own.
    return unless process_page(@page)
    set_cache_control
    @performed_render ||= true
    render layout: false
  else
    render template: 'site/not_found', status: 404, layout: false
  end
rescue Page::MissingRootPageError
  redirect_to welcome_path
end