From 51bec80641ea8e32259779a1061d2b521f24a31b Mon Sep 17 00:00:00 2001
From: Thomas Hufschmidt <hufschmidt@hrz.uni-marburg.de>
Date: Fri, 11 Apr 2025 11:00:05 +0200
Subject: [PATCH 1/2] [MultiVC][fix] Ignore updates for deleted multivs objects
 and parents

---
 classes/class.ilMultiVcPlugin.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/classes/class.ilMultiVcPlugin.php b/classes/class.ilMultiVcPlugin.php
index d4648754..da3d9697 100755
--- a/classes/class.ilMultiVcPlugin.php
+++ b/classes/class.ilMultiVcPlugin.php
@@ -69,6 +69,7 @@ public function handleEvent(string $a_component, string $a_event, array $a_param
         global $DIC;
 
         $logger = $DIC->logger()->root();
+        $tree = $DIC->repositoryTree();
 
         switch ($a_component) {
             case "Modules/Course":
@@ -78,6 +79,8 @@ public function handleEvent(string $a_component, string $a_event, array $a_param
 
                     foreach ($ref_ids as $ref_id) {
                         $logger->debug('MultiVc: ' . $a_event . ' for RefId = ' . $ref_id . ' and UserId = ' . $a_parameter['usr_id']);
+                        if ($tree->isDeleted($ref_id)) { continue; }
+
                         //todo cache?
                         $xmvc_ref_ids = $DIC->repositoryTree()->getSubTree(
                             $DIC->repositoryTree()->getNodeData($ref_id),

From 47a8ef0e050cf90ce1388ad4a847f56b8b50eda3 Mon Sep 17 00:00:00 2001
From: Thomas Hufschmidt <hufschmidt@hrz.uni-marburg.de>
Date: Fri, 11 Apr 2025 11:01:02 +0200
Subject: [PATCH 2/2] [MultiVC][patch] Improve participant change event-handler
 performance

---
 classes/class.ilMultiVcConfig.php | 8 ++++++++
 classes/class.ilMultiVcPlugin.php | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/classes/class.ilMultiVcConfig.php b/classes/class.ilMultiVcConfig.php
index b5f59505..3ca25e77 100755
--- a/classes/class.ilMultiVcConfig.php
+++ b/classes/class.ilMultiVcConfig.php
@@ -1354,7 +1354,15 @@ public static function removeUnsafeChars(string $value): string
         return trim($value);
     }
 
+    public static function hasConnectionType(string $showcontent): bool
+    {
+        global $DIC;
+        $ilDB = $DIC->database();
 
+        $result = $ilDB->query("SELECT showcontent FROM rep_robj_xmvc_conn where showcontent =  " . $ilDB->quote($showcontent, 'text'));
+        $row = $ilDB->fetchAssoc($result);
+        return !(null === $row);
+    }
 
 
 
diff --git a/classes/class.ilMultiVcPlugin.php b/classes/class.ilMultiVcPlugin.php
index da3d9697..3fa6bc46 100755
--- a/classes/class.ilMultiVcPlugin.php
+++ b/classes/class.ilMultiVcPlugin.php
@@ -68,6 +68,8 @@ public function handleEvent(string $a_component, string $a_event, array $a_param
     {
         global $DIC;
 
+        if (!ilMultiVcConfig::hasConnectionType('teams')) { return ; }
+
         $logger = $DIC->logger()->root();
         $tree = $DIC->repositoryTree();