OurUmbraco/OurUmbraco.Site/macroScripts/Rss-CommunityBlogs.cshtml

@using System.Configuration

@{
    var blogsXmlFile = Server.MapPath("~/App_Data/communityblogs.xml");
    
    var random = Guid.NewGuid();

    var yahooPipesId = ConfigurationManager.AppSettings["YahooPipesId"];

    var url = string.Format("http://pipes.yahoo.com/pipes/pipe.run?_id={0}&_render=rss&rnd={1}", yahooPipesId, random);

    if(File.GetLastWriteTime(blogsXmlFile) < DateTime.Now.AddMinutes(-60)) 
    {
        string html = "";

        using(WebClient client = new WebClient()) 
        {
            html = client.DownloadString(url);
        }

        html = html.Replace(string.Format("http://pipes.yahoo.com/pipes/pipe.info?_id={0}", yahooPipesId), "http://our.umbraco.org/rss/communityblogs/");
        html = html.Replace(string.Format("http://pipes.yahoo.com/pipes/pipe.run?_id={0}&amp;_render=rss&amp;page=2", yahooPipesId), "http://our.umbraco.org/rss/communityblogs/");
    
        using(StreamWriter writer = new StreamWriter(blogsXmlFile, false))
        {   
            writer.WriteLine(html);
        }
    }

    string blogs = File.ReadAllText(blogsXmlFile);
    
    Response.ContentType = "application/xml";
	Response.Write(blogs);
}