[TikiWiki-commits] [Git][tikiwiki/tiki][27.x] [BP][FIX] calendar: preserve UID across event updates to prevent duplicate invitations

luci pushed to branch 27.x at Tiki Wiki CMS Groupware / Tiki


Commits:
d0e1abbe by Alfred Syatsukwa at 2026-04-29T15:30:49+00:00
[BP][FIX] calendar: preserve UID across event updates to prevent duplicate invitations
---
* [FIX] calendar: preserve UID across event updates to prevent duplicate invitations
---
* [FIX] calendar: preserve UID across event updates to prevent duplicate invitations

See merge request tikiwiki/tiki!9026

(cherry picked from commit 5bc3e4aff8de2eccb189bafbc20dcf7a619b46fa)

See merge request tikiwiki/tiki!10045

- - - - -


1 changed file:

- lib/core/Tiki/SabreDav/CaldavClient.php


Changes:

=====================================
lib/core/Tiki/SabreDav/CaldavClient.php
=====================================
@@ -38,6 +38,11 @@ class CaldavClient
             $uri = Utilities::getCalendarObjectUri($calitem);
             $existing = TikiLib::lib('calendar')->get_item($calitem['calitemId']);
             $calitem['created'] = $existing['created'];
+            // Preserve UID to ensure event updates are recognized correctly by email clients
+            // RFC 5545 requires UID to remain constant throughout event lifecycle
+            if (! empty($existing['uid'])) {
+                $calitem['uid'] = $existing['uid'];
+            }
         }
         $calitem['lastModif'] = time();
         if (! empty($calitem['user'])) {



View it on GitLab: https://gitlab.com/tikiwiki/tiki/-/commit/d0e1abbeb3144709dbb88e7eb1c67fe5f5c41c43

-- 
View it on GitLab: https://gitlab.com/tikiwiki/tiki/-/commit/d0e1abbeb3144709dbb88e7eb1c67fe5f5c41c43
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