BuildFeed/BuildFeed/Code/OutputCachePushAttribute.cs

using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using BuildFeed.Code.Options;

namespace BuildFeed.Code
{
   public class OutputCachePushAttribute: ActionFilterAttribute
   {
      public override void OnResultExecuted(ResultExecutedContext filterContext)
      {
         bool isRtl = CultureInfo.CurrentUICulture.TextInfo.IsRightToLeft;
         Theme theme = new Theme(Theme.DetectTheme(filterContext.HttpContext));

         filterContext.HttpContext.Response.PushPromise("/res/css/default.css");
         filterContext.HttpContext.Response.PushPromise(VirtualPathUtility.ToAbsolute(theme.CssPath));
         if (isRtl)
         {
            filterContext.HttpContext.Response.PushPromise("/res/css/rtl.css");
         }
         filterContext.HttpContext.Response.PushPromise("/res/ts/bfs.min.js");
      }
   }
}