module AdminPageControllerExtensions

  def validate_markup
    @page = Page.find_or_initialize_by_id(params[:id])
    @page.attributes = params[:page]
    render :layout => false
  end


  def markup_report
    @page = Page.find_or_initialize_by_id(params[:id])
    begin
      Page.transaction do
        PagePart.transaction do
          @current_stage = 'saving'
          @page.attributes = params[:page]
          save unless params[:page].nil? || params[:part].nil?
          @current_stage = 'validating'
          @validation_data = @page.validate_html_markup
          @current_stage = 'done'
          raise "D'Oh!"  #force error to drive transaction rollback
        end
      end
    rescue
      if @current_stage == 'done' then
        if @validation_data['completed'] then
          render :partial => 'markup_report'
        else
          @error_msg = @validation_data['error_code'].to_s + ' - ' + @validation_data['error_code_description']
          render :partial => 'markup_problem'
        end
      else
        @error_msg = 'Error during ' + @current_stage + ' stage.'
        render :partial => 'markup_problem'
      end
    end
  end

end