From db31dcfd04a43789cba1728db8e0969182cb7880 Mon Sep 17 00:00:00 2001
From: Finn Schneider <schneider@data-quest.de>
Date: Wed, 4 Mar 2026 11:25:58 +0100
Subject: course eval nav permissions

---
 lib/modules/CoreEvaluation.php | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/lib/modules/CoreEvaluation.php b/lib/modules/CoreEvaluation.php
index 1d970d9..622dca8 100644
--- a/lib/modules/CoreEvaluation.php
+++ b/lib/modules/CoreEvaluation.php
@@ -15,7 +15,7 @@ class CoreEvaluation extends CorePlugin implements StudipModuleExtended
 
     public function getManyIconNavigation(array $course_ids, ?string $user_id = null): array
     {
-        if (!Config::get()->CENTRAL_EVALUATIONS_ENABLE) {
+        if (!$this->isTabActive()) {
             return [];
         }
 
@@ -27,7 +27,7 @@ class CoreEvaluation extends CorePlugin implements StudipModuleExtended
      */
     public function getTabNavigation($course_id)
     {
-        if (!Config::get()->CENTRAL_EVALUATIONS_ENABLE) {
+        if (!$this->isTabActive()) {
             return null;
         }
 
@@ -68,4 +68,14 @@ class CoreEvaluation extends CorePlugin implements StudipModuleExtended
     {
         return null;
     }
+
+    public function isTabActive(): bool
+    {
+        $evaluation = QuestionnaireEvalAssignment::findOneBySQL(
+            "`course_id` = ? AND `applied` = 1 ORDER BY `startdate`",
+            [Context::getId()]);
+        return PluginManager::getInstance()->getPlugin(CoreEvaluation::class) && $evaluation &&
+                (User::findCurrent()->hasPermissionLevel('tutor', Context::get()) ||
+                $evaluation->startdate <= time());
+    }
 }
-- 
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