New change request abstractions.

Wino.Core/Requests/Folder/MarkFolderAsReadRequest.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using CommunityToolkit.Mvvm.Messaging;
+using Wino.Core.Domain.Entities.Mail;
+using Wino.Core.Domain.Enums;
+using Wino.Core.Domain.Interfaces;
+using Wino.Core.Domain.Models.Requests;
+using Wino.Messaging.UI;
+
+namespace Wino.Core.Requests.Folder
+{
+    public record MarkFolderAsReadRequest(MailItemFolder Folder, List<MailCopy> MailsToMarkRead) : FolderRequestBase(Folder, FolderSynchronizerOperation.MarkFolderRead), ICustomFolderSynchronizationRequest
+    {
+        public override void ApplyUIChanges()
+        {
+            foreach (var item in MailsToMarkRead)
+            {
+                item.IsRead = true;
+
+                WeakReferenceMessenger.Default.Send(new MailUpdatedMessage(item));
+            }
+        }
+
+        public override void RevertUIChanges()
+        {
+            foreach (var item in MailsToMarkRead)
+            {
+                item.IsRead = false;
+
+                WeakReferenceMessenger.Default.Send(new MailUpdatedMessage(item));
+            }
+        }
+
+        public List<Guid> SynchronizationFolderIds => [Folder.Id];
+    }
+}