Render Umbraco Inline Partial from a RTE Link

gistfile1.txt

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.IO;
using Umbraco.Core.Models;
using Umbraco.Web;
using Umbraco.Core.Logging;
using HtmlAgilityPack;

namespace v7.Extensions
{
    public static class Extensions
    {
        public static IHtmlString TransformInlineLinks(this string input, ControllerContext context)
        {
            if (String.IsNullOrWhiteSpace(input))
            {
                return new HtmlString(input);
            }

            var document = new HtmlDocument();
            document.LoadHtml(input);

            var anchors = document.DocumentNode.SelectNodes("//a");

            foreach (var link in anchors)
            {
                var href = link.Attributes["href"];

                //glossary terms
                if (href != null && href.Value.Contains("glossary-term"))
                {
                    var contentUrlName = href.Value.Split(new string[] { "/" }, StringSplitOptions.RemoveEmptyEntries).Last();

                    var umbHelper = new UmbracoHelper(UmbracoContext.Current);
                    var content = umbHelper.TypedContent(1071).Children.FirstOrDefault(x => x.UrlName == contentUrlName);

                    var newNodeStr = RenderRazorViewToString(context, "~/Views/Partials/glossary-term.cshtml", content).Trim();
                    var newNode = HtmlNode.CreateNode("<span class='glossary-wrapper'>" + newNodeStr + "</span>");
                    link.ParentNode.ReplaceChild(newNode, link);
                }
            }

            return new HtmlString(document.DocumentNode.OuterHtml);
        }

        public static string RenderRazorViewToString(ControllerContext context, string viewName, object model)
        {
            context.Controller.ViewData.Model = model;
            using (var sw = new StringWriter())
            {
                var viewResult = ViewEngines.Engines.FindPartialView(context, viewName);
                var viewContext = new ViewContext(context, viewResult.View, new ViewDataDictionary(model), new TempDataDictionary(), sw);
                viewResult.View.Render(viewContext, sw);
                return sw.GetStringBuilder().ToString();
            }
        }
    }
}