Resolving conflicts.

Wino.Core/Requests/Folder/MarkFolderAsReadRequest.cs

@@ -11,6 +11,10 @@ namespace Wino.Core.Requests.Folder;
 
 public record MarkFolderAsReadRequest(MailItemFolder Folder, List<MailCopy> MailsToMarkRead) : FolderRequestBase(Folder, FolderSynchronizerOperation.MarkFolderRead), ICustomFolderSynchronizationRequest
 {
+    public List<Guid> SynchronizationFolderIds => [Folder.Id];
+
+    public bool ExcludeMustHaveFolders => true;
+
     public override void ApplyUIChanges()
     {
         if (MailsToMarkRead == null || MailsToMarkRead.Count == 0) return;
@@ -21,7 +25,6 @@ public record MarkFolderAsReadRequest(MailItemFolder Folder, List<MailCopy> Mail
             if (item.IsRead) continue;
 
             item.IsRead = true;
-        }
 
             WeakReferenceMessenger.Default.Send(new MailUpdatedMessage(item, MailUpdateSource.ClientUpdated, MailCopyChangeFlags.IsRead));
         }
@@ -37,13 +40,8 @@ public record MarkFolderAsReadRequest(MailItemFolder Folder, List<MailCopy> Mail
             if (!item.IsRead) continue;
 
             item.IsRead = false;
-        }
 
             WeakReferenceMessenger.Default.Send(new MailUpdatedMessage(item, MailUpdateSource.ClientReverted, MailCopyChangeFlags.IsRead));
         }
     }
-
-    public List<Guid> SynchronizationFolderIds => [Folder.Id];
-
-    public bool ExcludeMustHaveFolders => true;
 }

Wino.Mail.ViewModels/MailListPageViewModel.cs

@@ -880,38 +880,7 @@ public partial class MailListPageViewModel : MailBaseViewModel,
             listManipulationSemepahore.Release();
         }
 
-        // await ExecuteUIThread(() => { SetupTopBarActions(); });
-    }
-
-    protected override async void OnMailUpdated(IReadOnlyList<MailCopy> updatedMails)
-    {
-        base.OnMailUpdated(updatedMails);
-
-        if (updatedMails == null || updatedMails.Count == 0) return;
-
-        // Bulk update: do all changes in a single UI-thread invocation to avoid UI lockups when
-        // thousands of MailUpdatedMessage events would otherwise be processed one by one.
-        await ExecuteUIThread(() =>
-        {
-            foreach (var mail in updatedMails)
-            {
-                if (mail == null) continue;
-
-                // Avoid work for items not in the list.
-                if (!MailCollection.MailCopyIdHashSet.Contains(mail.UniqueId))
-                    continue;
-
-                var container = MailCollection.GetMailItemContainer(mail.UniqueId);
-
-                if (container?.ItemViewModel != null)
-                {
-                    container.ItemViewModel.MailCopy = mail;
-                    container.ThreadViewModel?.NotifyPropertyChanges();
-                }
-            }
-
-            SetupTopBarActions();
-        });
+        await ExecuteUIThread(() => { SetupTopBarActions(); });
     }
 
     protected override async void OnMailRemoved(MailCopy removedMail)

Wino.Mail.ViewModels/MailRenderingPageViewModel.cs

@@ -652,19 +652,6 @@ public partial class MailRenderingPageViewModel : MailBaseViewModel,
         await ExecuteUIThread(() => { InitializeCommandBarItems(); });
     }
 
-    protected override async void OnMailUpdated(IReadOnlyList<MailCopy> updatedMails)
-    {
-        base.OnMailUpdated(updatedMails);
-
-        if (initializedMailItemViewModel == null || updatedMails == null || updatedMails.Count == 0) return;
-
-        // Only care about the currently rendered item.
-        if (updatedMails.Any(m => m?.UniqueId == initializedMailItemViewModel.UniqueId))
-        {
-            await ExecuteUIThread(() => { InitializeCommandBarItems(); });
-        }
-    }
-
     [RelayCommand]
     private async Task OpenAttachmentAsync(MailAttachmentViewModel attachmentViewModel)
     {