Ignore local calendar applying changes to prevent duplicate operations.

2026-02-15 19:44:07 +01:00
parent ff25db3fea
commit d428a6ce7a
2 changed files with 36 additions and 3 deletions
@@ -963,6 +963,15 @@ public partial class CalendarPageViewModel : CalendarBaseViewModel,
        base.OnCalendarItemUpdated(calendarItem, source);
        Debug.WriteLine($"Calendar item updated: {calendarItem.Id}");

+        // Local-only calendar operations are persisted immediately without real network I/O.
+        // Ignore optimistic client updates to prevent applying the same mutation twice.
+        var isLocalCalendarUpdate = string.IsNullOrWhiteSpace(calendarItem.RemoteEventId) ||
+                                    calendarItem.RemoteEventId.StartsWith("local-", StringComparison.OrdinalIgnoreCase);
+        if (isLocalCalendarUpdate && source == CalendarItemUpdateSource.ClientUpdated)
+        {
+            return;
+        }
+
        // Series master events should not be visible on the UI.
        if (calendarItem.IsRecurringParent)
        {