/// <summary>
/// Renders the donut cache substitution.
/// </summary>
/// <param name="context">The Liquid rendering context.</param>
/// <param name="result">Writer for rendered output.</param>
public override void Render(Context context, TextWriter result)
{
var html = context.Registers["htmlHelper"] as HtmlHelper;
if (html == null)
{
return;
}
var source = NodeList.Cast <string>().Aggregate(new StringBuilder(), (sb, token) => sb.Append(token));
var viewSupportsDonuts = context.ViewSupportsDonuts();
context.Stack(() =>
{
// If donuts are supported then call the LiquidSubstitution action, otherwise render the liquid code directly.
if (viewSupportsDonuts)
{
var encodedSource = Convert.ToBase64String(Encoding.UTF8.GetBytes(source.ToString()));
result.Write(html.Action("LiquidSubstitution", "Layout", new { encodedSource }, viewSupportsDonuts));
}
else
{
html.RenderLiquid(source.ToString(), "Substitution string, but donuts not supported", result);
}
});
}
public List <string> GetFeed()
{
string content = string.Empty;
string url = @"https://www.flickr.com/services/feeds/photos_public.gne";
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.AutomaticDecompression = DecompressionMethods.GZip;
XmlNodeList NodeList;
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
using (Stream stream = response.GetResponseStream())
{
XmlDocument xDoc = new XmlDocument();
xDoc.Load(stream);
NodeList = xDoc.GetElementsByTagName("link");
}
return(NodeList.Cast <XmlNode>().Select(node => node.Attributes["href"].Value).ToList());
}