DYN-5189 update notifications number

src/DynamoCoreWpf/Controls/ShortcutToolbar.xaml

@@ -208,13 +208,13 @@
                                             Width="14"
                                             VerticalAlignment="Center" 
                                             HorizontalAlignment="Center">
-                                        <!--TODO insert data bind for the notifications -->
                                         <TextBlock Name="NotificationCount"
                                                    FontFamily="{StaticResource ArtifaktElementRegular}"
                                                    Foreground="White" 
                                                    FontWeight="DemiBold"
                                                    TextAlignment="Center"
-                                                   FontSize="9">8
+                                                   Text="{Binding NotificationsNumber}"
+                                                   FontSize="9">
                                         </TextBlock>
                                     </Border>
                                 </DockPanel>

src/DynamoCoreWpf/Controls/ShortcutToolbar.xaml.cs

@@ -6,6 +6,7 @@
 using Dynamo.UI.Commands;
 using Dynamo.Updates;
 using Dynamo.ViewModels;
+using Dynamo.Wpf.ViewModels.Core;
 using Microsoft.Practices.Prism.ViewModel;
 
 namespace Dynamo.UI.Controls
@@ -45,6 +46,9 @@ public ShortcutToolbar(IUpdateManager updateManager)
 
             InitializeComponent();
             UpdateControl.DataContext = updateManager;
+
+            var shortcutToolbar = new ShortcutToolbarViewModel();
+            DataContext = shortcutToolbar;
         }
 
         private void exportMenu_MouseEnter(object sender, System.Windows.Input.MouseEventArgs e)

src/DynamoCoreWpf/DynamoCoreWpf.csproj

@@ -298,6 +298,7 @@
     <Compile Include="ViewModels\Core\InPortViewModel.cs" />
     <Compile Include="ViewModels\Core\OutPortViewModel.cs" />
     <Compile Include="ViewModels\Core\SerializationExtensions.cs" />
+    <Compile Include="ViewModels\Core\ShortcutToolbarViewModel.cs" />
     <Compile Include="ViewModels\FileTrust\FileTrustWarningViewModel.cs" />
     <Compile Include="ViewModels\GuidedTour\ExitGuideWindowViewModel.cs" />
     <Compile Include="ViewModels\GuidedTour\PopupWindowViewModel.cs" />

src/DynamoCoreWpf/ViewModels/Core/ShortcutToolbarViewModel.cs

@@ -0,0 +1,17 @@
+using Dynamo.ViewModels;
+
+namespace Dynamo.Wpf.ViewModels.Core
+{
+    internal class ShortcutToolbarViewModel : ViewModelBase
+    {
+        public ShortcutToolbarViewModel()
+        {
+            NotificationsNumber = 0;
+        }
+
+        /// <summary>
+        /// This property represents the number of new notifications 
+        /// </summary>
+        public int NotificationsNumber { get; set; }
+    }
+}

src/Notifications/NotificationCenterController.cs

@@ -1,6 +1,10 @@
 using System;
 using System.Diagnostics;
+using System.Collections.Generic;
+using System.Configuration;
 using System.IO;
+using System.Linq;
+using System.Net;
 using System.Reflection;
 using System.Windows;
 using System.Windows.Controls;
@@ -9,6 +13,8 @@
 using Dynamo.Logging;
 using Dynamo.Notifications.View;
 using Dynamo.ViewModels;
+using Dynamo.Wpf.ViewModels.Core;
+using Newtonsoft.Json;
 
 namespace Dynamo.Notifications
 {
@@ -26,7 +32,11 @@ public class NotificationCenterController
         private static readonly string jsEmbeddedFile = "Dynamo.Notifications.node_modules._dynamods.notifications_center.build.index.bundle.js";
         private static readonly string NotificationCenterButtonName = "notificationsButton";
 
-        private readonly DynamoLogger logger;
+        private DynamoLogger logger;
+        private static readonly DateTime notificationsCenterCreatedTime = DateTime.UtcNow;
+        private static System.Timers.Timer timer;
+        private string jsonStringFile;
+        private NotificationsModel notificationsModel;
 
         internal NotificationCenterController(DynamoView view, DynamoLogger dynLogger)
         {
@@ -46,9 +56,45 @@ internal NotificationCenterController(DynamoView view, DynamoLogger dynLogger)
                 HorizontalOffset = notificationPopupHorizontalOffset,
                 VerticalOffset = notificationPopupVerticalOffset
             };
+
             notificationUIPopup.webView.EnsureCoreWebView2Async();
             notificationUIPopup.webView.CoreWebView2InitializationCompleted += WebView_CoreWebView2InitializationCompleted;
             logger = dynLogger;
+
+            RequestNotifications();
+        }
+
+        private void WebView_NavigationCompleted(object sender, Microsoft.Web.WebView2.Core.CoreWebView2NavigationCompletedEventArgs e)
+        {
+            AddNotifications(notificationsModel.Notifications);
+        }
+
+        private void AddNotifications(List<NotificationItemModel> notifications)
+        {
+            var notificationsList = JsonConvert.SerializeObject(notifications);
+            InvokeJS($"window.setNotifications({notificationsList});");
+        }
+
+        private void RequestNotifications()
+        {
+            var uri = DynamoUtilities.PathHelper.getServiceBackendAddress(this, "notificationAddress");
+            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(uri);
+            request.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
+
+            using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
+            using (Stream stream = response.GetResponseStream())
+            using (StreamReader reader = new StreamReader(stream))
+            {
+                jsonStringFile = reader.ReadToEnd();
+                notificationsModel = JsonConvert.DeserializeObject<NotificationsModel>(jsonStringFile);
+
+                var notificationsNumber = notificationsModel.Notifications.Count();
+
+                var shortcutToolbarViewModel = (ShortcutToolbarViewModel)dynamoView.ShortcutBar.DataContext;
+                shortcutToolbarViewModel.NotificationsNumber = notificationsNumber;
+            }
+
+            notificationUIPopup.webView.NavigationCompleted += WebView_NavigationCompleted;
         }
 
         // Handler for new Webview2 tab window request
@@ -84,7 +130,6 @@ private void WebView_CoreWebView2InitializationCompleted(object sender, Microsof
                 // Opening hyper-links using default system browser instead of WebView2 tab window
                 notificationUIPopup.webView.CoreWebView2.NewWindowRequested += WebView_NewWindowRequested;
                 notificationUIPopup.webView.CoreWebView2.NavigateToString(htmlString);
-                RefreshNotifications();
             }
         }
 
@@ -98,6 +143,7 @@ internal void Dispose()
             dynamoView.SizeChanged -= DynamoView_SizeChanged;
             dynamoView.LocationChanged -= DynamoView_LocationChanged;
             notificationsButton.Click -= NotificationsButton_Click;
+            notificationUIPopup.webView.NavigationCompleted -= WebView_NavigationCompleted;
         }
 
         private void DynamoView_LocationChanged(object sender, EventArgs e)

src/Notifications/NotificationsModel.cs

@@ -0,0 +1,65 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Dynamo.Notifications
+{
+    [DataContract]
+    internal class NotificationsModel
+    {
+        [DataMember(Name = "version")]
+        internal string Version { get; set; }
+
+        [DataMember(Name = "last_update_timestamp")]
+        internal DateTime LastUpdate { get; set; }
+
+        [DataMember(Name = "notifications")]
+        internal List<NotificationItemModel> Notifications { get; set; }
+    }
+
+    [DataContract]
+    internal class NotificationItemModel
+    {
+        [DataMember(Name = "id")]
+        internal string Id { get; set; }
+
+        [DataMember(Name = "title")]
+        internal string Title { get; set; }
+
+        [DataMember(Name = "link")]
+        internal string Link { get; set; }
+
+        [DataMember(Name = "linkTitle")]
+        internal string LinkTitle { get; set; }
+
+        [DataMember(Name = "longDescription")]
+        internal string LongDescription { get; set; }
+
+        [DataMember(Name = "created")]
+        internal DateTime Created { get; set; }
+
+        [DataMember(Name = "thumbnail")]
+        internal string Thumbnail { get; set; }
+
+        [DataMember(Name = "priority")]
+        internal string Priority { get; set; }
+
+        [DataMember(Name = "type")]
+        internal string Type { get; set; }
+
+        [DataMember(Name = "scope")]
+        internal string Scope { get; set; }
+
+        [DataMember(Name = "source")]
+        internal string Source { get; set; }
+
+        [DataMember(Name = "status")]
+        internal string Status { get; set; }
+
+        [DataMember(Name = "isPinned")]
+        internal bool IsPinned { get; set; }
+    }
+}