Whats new implementation.

Wino.Mail.WinUI/Services/DialogService.cs

@@ -27,9 +27,9 @@ public class DialogService : DialogServiceBase, IMailDialogService
 {
     public DialogService(INewThemeService themeService,
                          IConfigurationService configurationService,
-                         IApplicationResourceManager<ResourceDictionary> applicationResourceManager) : base(themeService, configurationService, applicationResourceManager)
+                         IApplicationResourceManager<ResourceDictionary> applicationResourceManager,
+                         IUpdateManager updateManager) : base(themeService, configurationService, applicationResourceManager, updateManager)
     {
-
     }
 
     public async Task<ICreateAccountAliasDialog> ShowCreateAccountAliasDialogAsync()

Wino.Mail.WinUI/Services/DialogServiceBase.cs

@@ -16,6 +16,7 @@ using Wino.Core.Domain.Interfaces;
 using Wino.Core.Domain.Models.Accounts;
 using Wino.Core.Domain.Models.Common;
 using Wino.Core.Domain.Models.Printing;
+using Wino.Core.Domain.Models.Updates;
 using Wino.Dialogs;
 using Wino.Mail.WinUI.Dialogs;
 using Wino.Mail.WinUI.Extensions;
@@ -30,14 +31,16 @@ public class DialogServiceBase : IDialogServiceBase
 
     protected INewThemeService ThemeService { get; }
     protected IConfigurationService ConfigurationService { get; }
+    protected IUpdateManager UpdateManager { get; }
 
     protected IApplicationResourceManager<ResourceDictionary> ApplicationResourceManager { get; }
 
-    public DialogServiceBase(INewThemeService themeService, IConfigurationService configurationService, IApplicationResourceManager<ResourceDictionary> applicationResourceManager)
+    public DialogServiceBase(INewThemeService themeService, IConfigurationService configurationService, IApplicationResourceManager<ResourceDictionary> applicationResourceManager, IUpdateManager updateManager)
     {
         ThemeService = themeService;
         ConfigurationService = configurationService;
         ApplicationResourceManager = applicationResourceManager;
+        UpdateManager = updateManager;
     }
 
     protected XamlRoot? GetXamlRoot()
@@ -355,4 +358,14 @@ public class DialogServiceBase : IDialogServiceBase
             return null!;
         }
     }
+
+    public async Task ShowWhatIsNewDialogAsync(UpdateNotes notes)
+    {
+        var dialog = new WhatIsNewDialog(notes, UpdateManager)
+        {
+            RequestedTheme = ThemeService.RootTheme.ToWindowsElementTheme()
+        };
+
+        await HandleDialogPresentationAsync(dialog);
+    }
 }

Wino.Mail.WinUI/Services/NotificationBuilder.cs

@@ -317,6 +317,20 @@ public class NotificationBuilder : INotificationBuilder
         return Task.CompletedTask;
     }
 
+    public void CreateMigrationRequiredNotification()
+    {
+        var builder = new ToastContentBuilder();
+        builder.SetToastScenario(ToastScenario.Default);
+
+        builder.AddText(Translator.WhatIsNew_MigrationNotification_Title);
+        builder.AddText(Translator.WhatIsNew_MigrationNotification_Message);
+
+        builder.AddArgument(Constants.ToastMigrationRequiredKey, bool.TrueString);
+        builder.AddArgument(Constants.ToastModeKey, Constants.ToastModeMail);
+
+        ShowToast(builder);
+    }
+
     private static void ShowToast(ToastContentBuilder builder, string? tag = null)
     {
         var toastNotification = new ToastNotification(builder.GetToastContent().GetXml());