Fixed Archive implementation for Gmail.

Wino.Core/Requests/ArchiveRequest.cs

@@ -0,0 +1,66 @@
+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
+{
+    /// <summary>
+    /// Archive message request.
+    /// By default, the message will be moved to the Archive folder.
+    /// For Gmail, 'Archive' label will be removed from the message.
+    /// </summary>
+    /// <param name="IsArchiving">Whether are archiving or unarchiving</param>
+    /// <param name="Item">Mail to archive</param>
+    /// <param name="FromFolder">Source folder.</param>
+    /// <param name="ToFolder">Optional Target folder. Required for ImapSynchronizer and OutlookSynchronizer.</param>
+    public record ArchiveRequest(bool IsArchiving, MailCopy Item, MailItemFolder FromFolder, MailItemFolder ToFolder = null) : RequestBase<BatchArchiveRequest>(Item, MailSynchronizerOperation.Archive), ICustomFolderSynchronizationRequest
+    {
+        public List<Guid> SynchronizationFolderIds
+        {
+            get
+            {
+                var folderIds = new List<Guid> { FromFolder.Id };
+
+                if (ToFolder != null)
+                {
+                    folderIds.Add(ToFolder.Id);
+                }
+
+                return folderIds;
+            }
+        }
+
+        public override IBatchChangeRequest CreateBatch(IEnumerable<IRequest> matchingItems)
+            => new BatchArchiveRequest(IsArchiving, matchingItems, FromFolder, ToFolder);
+
+        public override void ApplyUIChanges()
+        {
+            WeakReferenceMessenger.Default.Send(new MailRemovedMessage(Item));
+        }
+
+        public override void RevertUIChanges()
+        {
+            WeakReferenceMessenger.Default.Send(new MailAddedMessage(Item));
+        }
+    }
+
+    [EditorBrowsable(EditorBrowsableState.Never)]
+    public record BatchArchiveRequest(bool IsArchiving, IEnumerable<IRequest> Items, MailItemFolder FromFolder, MailItemFolder ToFolder = null) : BatchRequestBase(Items, MailSynchronizerOperation.Archive)
+    {
+        public override void ApplyUIChanges()
+        {
+            Items.ForEach(item => WeakReferenceMessenger.Default.Send(new MailRemovedMessage(item.Item)));
+        }
+
+        public override void RevertUIChanges()
+        {
+            Items.ForEach(item => WeakReferenceMessenger.Default.Send(new MailAddedMessage(item.Item)));
+        }
+    }
+}