Handling notifications event and rendering them through controller

BTCPayServer/Models/NotificationViewModels/IndexViewModel.cs

@@ -3,19 +3,46 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using BTCPayServer.Data;
+using BTCPayServer.Events;
+using BTCPayServer.Events.Notifications;
+using ExchangeSharp;
+using Newtonsoft.Json;
 
 namespace BTCPayServer.Models.NotificationViewModels
 {
     public class IndexViewModel
     {
-        public List<NoticeDataHolder> Items { get; set; }
+        public List<NotificationViewModel> Items { get; set; }
+    }
 
-        public class NoticeDataHolder
+    public class NotificationViewModel
+    {
+        public string Id { get; set; }
+        public DateTimeOffset Created { get; set; }
+        public string Body { get; set; }
+        public string ActionLink { get; set; }
+    }
+
+    public static class NotificationViewModelExt
+    {
+        public static NotificationViewModel ViewModel(this NotificationData data)
         {
-            public int Id { get; set; }
-            public string Body { get; set; }
-            public string Level { get; set; }
-            public DateTime Created { get; set; }
+            if (data.NotificationType == nameof(NewVersionNotification))
+            {
+                var casted = JsonConvert.DeserializeObject<NewVersionNotification>(data.Blob.ToStringFromUTF8());
+                var obj = new NotificationViewModel
+                {
+                    Id = data.Id,
+                    Created = data.Created,
+                    Body = $"New version {casted.Version} released!",
+                    ActionLink = "https://github.com/btcpayserver/btcpayserver/releases/tag/v" + casted.Version
+                };
+
+                return obj;
+            }
+
+            return null;
         }
     }
 }