WIP on updates notifications

src/Umbraco.Web/Models/UpgradeCheckResponse.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Threading.Tasks;
+using System.Web;
+using Umbraco.Core.Configuration;
+
+namespace Umbraco.Web.Models
+{
+    public class UpgradeCheckResponse
+    {
+        [DataMember(Name = "type")]
+        public string Type { get; set; }
+        [DataMember(Name = "comment")]
+        public string Comment { get; set; }
+
+        [DataMember(Name = "url")]
+        public string Url { get; set; }
+
+        public UpgradeCheckResponse() { }
+        public UpgradeCheckResponse(string upgradeType, string upgradeComment, string upgradeUrl)
+        {
+            Type = upgradeType;
+            Comment = upgradeComment;
+            Url = upgradeUrl + "?version=" + HttpUtility.UrlEncode(UmbracoVersion.Current.ToString(3));
+        }
+    }
+}