bulk update

Author: hez2010

Diff for: Files/ViewModels/ItemViewModel.cs

@@ -1818,7 +1818,6 @@ private async void ProcessOperationQueue(CancellationToken cancellationToken, bo
             const uint FILE_ACTION_RENAMED_NEW_NAME = 0x00000005;
 
             var sampler = new IntervalSampler(200);
-            var updateList = new HashSet<string>();
             bool anyEdits = false;
 
             try
@@ -1828,8 +1827,8 @@ private async void ProcessOperationQueue(CancellationToken cancellationToken, bo
                     if (operationEvent.Wait(200, cancellationToken))
                     {
                         operationEvent.Reset();
+                        var updateList = new HashSet<string>();
 
-                    processQueue:
                         while (operationQueue.TryDequeue(out var operation))
                         {
                             if (cancellationToken.IsCancellationRequested) break;
@@ -1867,16 +1866,7 @@ private async void ProcessOperationQueue(CancellationToken cancellationToken, bo
                             }
                         }
 
-                        foreach (var entry in updateList.ToList())
-                        {
-                            await UpdateFileOrFolderAsync(entry, hasSyncStatus);
-                            updateList.Remove(entry);
-
-                            if (sampler.CheckNow() && operationQueue.Any(i => i.Action != FILE_ACTION_MODIFIED))
-                            {
-                                goto processQueue;
-                            }
-                        }
+                        await UpdateFilesOrFoldersAsync(updateList, hasSyncStatus);
                     }
 
                     if (anyEdits)
@@ -2069,7 +2059,7 @@ await CoreApplication.MainView.DispatcherQueue.EnqueueAsync(async () =>
             }
         }
 
-        private async Task UpdateFileOrFolderAsync(string path, bool hasSyncStatus = false)
+        private async Task UpdateFilesOrFoldersAsync(IEnumerable<string> paths, bool hasSyncStatus = false)
         {
             try
             {
@@ -2082,12 +2072,8 @@ private async Task UpdateFileOrFolderAsync(string path, bool hasSyncStatus = fal
 
             try
             {
-                var matchingItem = filesAndFolders.FirstOrDefault(x => x.ItemPath.Equals(path, StringComparison.OrdinalIgnoreCase));
-
-                if (matchingItem != null)
-                {
-                    await UpdateFileOrFolderAsync(matchingItem, hasSyncStatus);
-                }
+                var matchingItems = filesAndFolders.Where(x => paths.Any(p => p.Equals(x.ItemPath, StringComparison.OrdinalIgnoreCase)));
+                await Task.WhenAll(matchingItems.Select(x => UpdateFileOrFolderAsync(x, hasSyncStatus)));
             }
             finally
             {