From e961496da6194fef3bdab1d5a952d1ccdef12e8f Mon Sep 17 00:00:00 2001
From: Jan-Hendrik Willms <tleilax+studip@gmail.com>
Date: Tue, 10 Feb 2026 10:18:09 +0100
Subject: don't send messages for waitlist changes for course that have ended,
 fixes #6224

Closes #6224

Merge request studip/studip!4710
---
 lib/models/AdmissionApplication.class.php |  7 ++++++-
 lib/models/Course.class.php               | 12 +++++++++++-
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/lib/models/AdmissionApplication.class.php b/lib/models/AdmissionApplication.class.php
index 719d340..f517a1d 100644
--- a/lib/models/AdmissionApplication.class.php
+++ b/lib/models/AdmissionApplication.class.php
@@ -248,7 +248,12 @@ class AdmissionApplication extends SimpleORMap implements PrivacyObject
             $position = 1;
             foreach ($admission_users as $admission) {
                 $admission->position = $position;
-                if ($admission->store() && Config::get()->NOTIFY_ON_WAITLIST_ADVANCE && $send_message) {
+                if (
+                    $admission->store()
+                    && Config::get()->getValue('NOTIFY_ON_WAITLIST_ADVANCE')
+                    && $send_message
+                    && !$course->hasEnded()
+                ) {
                     $username = $admission->user->username;
                     setTempLanguage($admission->user_id);
                     $message = sprintf(_('Sie sind auf der Warteliste der Veranstaltung **%s (%s)** hochgestuft worden. Sie stehen zur Zeit auf Position %s.'),
diff --git a/lib/models/Course.class.php b/lib/models/Course.class.php
index 41e84f8..7b86f92 100644
--- a/lib/models/Course.class.php
+++ b/lib/models/Course.class.php
@@ -443,7 +443,7 @@ class Course extends SimpleORMap implements Range, PrivacyObject, StudipItem, Fe
      * @returns Semester|null Either the last semester of the course
      *     or null, if no semester could be found.
      */
-    public function getEndSemester()
+    public function getEndSemester(): ?Semester
     {
         if (count($this->semesters) > 0) {
             return $this->semesters->last();
@@ -493,6 +493,16 @@ class Course extends SimpleORMap implements Range, PrivacyObject, StudipItem, Fe
         }
     }
 
+    /**
+     * Returns whether the course has ended, meaning it is not open ended and
+     * all semesters the course takes place in are in the past.
+     */
+    public function hasEnded(): bool
+    {
+        return !$this->isOpenEnded()
+            && $this->getEndSemester()->isPast();
+    }
+
     public function getTeachers()
     {
         return $this->members->filter(function ($m) {
-- 
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