New change request abstractions.

Wino.Core/Requests/Mail/SendDraftRequest.cs

@@ -0,0 +1,43 @@
+using System;
+using System.Collections.Generic;
+using CommunityToolkit.Mvvm.Messaging;
+using Wino.Core.Domain.Enums;
+using Wino.Core.Domain.Interfaces;
+using Wino.Core.Domain.Models.MailItem;
+using Wino.Core.Domain.Models.Requests;
+using Wino.Messaging.UI;
+
+namespace Wino.Core.Requests.Mail
+{
+    public record SendDraftRequest(SendDraftPreparationRequest Request)
+        : MailRequestBase(Request.MailItem),
+        ICustomFolderSynchronizationRequest
+    {
+        public List<Guid> SynchronizationFolderIds
+        {
+            get
+            {
+                var folderIds = new List<Guid> { Request.DraftFolder.Id };
+
+                if (Request.SentFolder != null)
+                {
+                    folderIds.Add(Request.SentFolder.Id);
+                }
+
+                return folderIds;
+            }
+        }
+
+        public override MailSynchronizerOperation Operation => MailSynchronizerOperation.Send;
+
+        public override void ApplyUIChanges()
+        {
+            WeakReferenceMessenger.Default.Send(new MailRemovedMessage(Item));
+        }
+
+        public override void RevertUIChanges()
+        {
+            WeakReferenceMessenger.Default.Send(new MailAddedMessage(Item));
+        }
+    }
+}