From f0dca9eb0b9967730487d127c1f78ce24207425e Mon Sep 17 00:00:00 2001
From: tibbi <tibor@kaputa.sk>
Date: Tue, 17 Jan 2023 12:48:59 +0100
Subject: [PATCH] fix #1677, avoid duplicating CalDAV synced
 birthdays/anniversaries

---
 .../calendar/pro/activities/MainActivity.kt                | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/MainActivity.kt b/app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/MainActivity.kt
index 56e5e13e2..91c2db04f 100644
--- a/app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/MainActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/MainActivity.kt
@@ -768,8 +768,11 @@ class MainActivity : SimpleActivity(), RefreshRecyclerViewListener {
 
                     eventsFound++
                     if (!importIDs.containsKey(contactId)) {
-                        eventsHelper.insertEvent(event, false, false) {
-                            eventsAdded++
+                        // avoid adding duplicate birthdays/anniversaries
+                        if (existingEvents.none { it.title == event.title && it.startTS == event.startTS }) {
+                            eventsHelper.insertEvent(event, false, false) {
+                                eventsAdded++
+                            }
                         }
                     }
                     break