Initial commit.

Wino.Core/Requests/MarkReadRequest.cs

@@ -0,0 +1,59 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using CommunityToolkit.Mvvm.Messaging;
+using MoreLinq;
+using Wino.Core.Domain.Entities;
+using Wino.Core.Domain.Enums;
+using Wino.Core.Domain.Interfaces;
+using Wino.Core.Domain.Models.Requests;
+
+namespace Wino.Core.Requests
+{
+    public record MarkReadRequest(MailCopy Item, bool IsRead) : RequestBase<BatchMarkReadRequest>(Item, MailSynchronizerOperation.MarkRead),
+        ICustomFolderSynchronizationRequest
+    {
+        public List<Guid> SynchronizationFolderIds => [Item.FolderId];
+
+        public override IBatchChangeRequest CreateBatch(IEnumerable<IRequest> matchingItems)
+            => new BatchMarkReadRequest(matchingItems, IsRead);
+
+        public override void ApplyUIChanges()
+        {
+            Item.IsRead = IsRead;
+
+            WeakReferenceMessenger.Default.Send(new MailUpdatedMessage(Item));
+        }
+
+        public override void RevertUIChanges()
+        {
+            Item.IsRead = !IsRead;
+
+            WeakReferenceMessenger.Default.Send(new MailUpdatedMessage(Item));
+        }
+    }
+
+    [EditorBrowsable(EditorBrowsableState.Never)]
+    public record BatchMarkReadRequest(IEnumerable<IRequest> Items, bool IsRead) : BatchRequestBase(Items, MailSynchronizerOperation.MarkRead)
+    {
+        public override void ApplyUIChanges()
+        {
+            Items.ForEach(item =>
+            {
+                item.Item.IsRead = IsRead;
+
+                WeakReferenceMessenger.Default.Send(new MailUpdatedMessage(item.Item));
+            });
+        }
+
+        public override void RevertUIChanges()
+        {
+            Items.ForEach(item =>
+            {
+                item.Item.IsRead = !IsRead;
+
+                WeakReferenceMessenger.Default.Send(new MailUpdatedMessage(item.Item));
+            });
+        }
+    }
+}