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Controllers/ValuesController.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using System.Net.Http;
+using System.Xml;
+using System.Xml.Serialization;
+using jezebel.Xml2CSharp;
+using System.Security;
+using System.Security.Cryptography;
+using Microsoft.Extensions.Caching.Memory;
+
+namespace jezebel.Controllers
+{
+    [Route("api/[controller]")]
+    public class ValuesController : Controller
+    {
+        IMemoryCache cache;
+        const string jezCache = "jezebelRss";
+
+        public ValuesController(IMemoryCache cache)
+        {
+            this.cache = cache;
+        }
+        // GET api/values
+        [HttpGet]
+        public async Task<IActionResult> Get(bool bypassCache)
+        {
+            using (var httpClient = new HttpClient())
+            {
+                var result = cache.Get<Rss>(jezCache);
+                if(result == null || bypassCache)
+                {
+                    var rssRaw = await httpClient.GetStreamAsync("http://jezebel.com/rss");
+                    var xmlReader = new XmlSerializer(typeof(Rss));
+                    result = (Rss)xmlReader.Deserialize(rssRaw);
+                    using (var entry = cache.CreateEntry(jezCache))
+                    {
+                        entry.SetValue(result);
+                        entry.SetAbsoluteExpiration(DateTimeOffset.Now.AddHours(1));
+                    }
+                        
+                }
+
+                var rng = new Random();
+                var randomArticleNumber = rng.Next(0, result.Channel.Items.Count);
+                var randomArticle = result.Channel.Items[randomArticleNumber];
+                var resultString = $"{randomArticle.Title} by {randomArticle.Creator} {randomArticle.Link}";
+                return new ContentResult() { Content = resultString, ContentType = "text", StatusCode = 200 };
+                
+            }
+        }
+    }
+}