module SiteControllerEx
  
  def self.included(base)
    base.class_eval do
      alias_method :show_page_without_filters, :show_page
      alias_method :show_page, :show_page_with_filters
    end
  end

  def show_page_with_filters
    url = params[:url].to_s
    @page = find_page(url)
    unless @page.nil?
      pre_process_results = @page.before_process(request, response)
      return unless pre_process_results
      
      if live? and (@cache.response_cached?(url))
        @cache.update_response(url, response)
        @performed_render = true
      else
        @page.process_without_filters(request, response)
        @cache.cache_response(url, response) if live? and @page.cache?
        @performed_render = true
      end
      @page.after_process(request, response)
    else
      render :template => 'site/not_found', :status => 404
    end
    
  rescue Page::MissingRootPageError
    redirect_to(:controller => 'admin/welcome')
  end
  
end