From 0cd743b88be9b0f7620344d613f145de2f413e66 Mon Sep 17 00:00:00 2001
From: Thomas Hackl <hackl@data-quest.de>
Date: Fri, 11 Jul 2025 14:08:41 +0200
Subject: Resolve "Alte Verlinkung beim Studienbereich"

Merge request studip/studip!4332
---
 app/views/course/details/index.php | 15 ++++++++++++---
 app/views/study_area/tree.php      | 15 +++++++++++++--
 lib/modules/CoreOverview.class.php | 16 ++++++++++++++--
 3 files changed, 39 insertions(+), 7 deletions(-)

diff --git a/app/views/course/details/index.php b/app/views/course/details/index.php
index 15cee6c..43fefbc 100644
--- a/app/views/course/details/index.php
+++ b/app/views/course/details/index.php
@@ -366,7 +366,8 @@
                     [
                         'node' => $studyAreaTree,
                         'open' => true,
-                        'dont_open' => Config::get()->COURSE_SEM_TREE_CLOSED_LEVELS
+                        'dont_open' => Config::get()->COURSE_SEM_TREE_CLOSED_LEVELS,
+                        'semester' => $course->end_semester
                     ]
                 ) ?>
             </ul>
@@ -381,9 +382,17 @@
         </header>
         <section>
             <ul class="list-unstyled">
-                <? foreach ($study_areas as $area) : ?>
+                <?
+                $url_params = [];
+                if ($course->end_semester && $course->end_semester !== Semester::findCurrent()) {
+                    $url_params['semester'] = $course->end_semester->id;
+                }
+                foreach ($study_areas as $area) : ?>
+                    <?
+                        $url_params['node_id'] = 'StudipStudyArea_' . $area->id;
+                    ?>
                     <li>
-                        <a href="<?=URLHelper::getScriptLink('show_bereich.php?level=sbb&id=' . $area->id)?>">
+                        <a href="<?= URLHelper::getLink('dispatch.php/search/courses', $url_params, true) ?>">
                             <?= htmlReady($area->getPath(' > ')) ?>
                         </a>
                     </li>
diff --git a/app/views/study_area/tree.php b/app/views/study_area/tree.php
index d3ec538..e89102d 100644
--- a/app/views/study_area/tree.php
+++ b/app/views/study_area/tree.php
@@ -5,8 +5,16 @@
  * @var int $layer
  * @var array $dont_open
  * @var string $compulsory
+ * @var string|null $semester
  */
 $layer = 0;
+
+$url_params = [];
+if ($semester && $semester !== Semester::findCurrent()) {
+    $url_params['semester'] = $semester->id;
+}
+$url_params['node_id'] = 'StudipStudyArea_' . $node->id;
+
 ?>
 <li>
 <? if ($node->id !== 'root' && $node->required_children): ?>
@@ -15,7 +23,7 @@ $layer = 0;
     <label for='<?= htmlReady($node->id) ?>'></label>
 
 <? if ($node->id !== 'root'): ?>
-    <a href="<?= URLHelper::getLink('show_bereich.php?level=sbb&id=' . $node->id) ?>">
+    <a href="<?= URLHelper::getLink('dispatch.php/search/courses', $url_params, true) ?>">
         <?= htmlReady($node->name) ?>
     </a>
 <? else: ?>
@@ -25,7 +33,10 @@ $layer = 0;
 <? if ($node->required_children): ?>
     <ul>
     <? foreach ($node->required_children as $child): ?>
-        <?= $this->render_partial('study_area/tree.php', ['node' => $child, 'open' => $open, 'layer' => ((int)$layer + 1)]) ?>
+        <?= $this->render_partial(
+            'study_area/tree.php',
+            ['node' => $child, 'open' => $open, 'layer' => ((int)$layer + 1), 'semester' => $semester]
+        ) ?>
     <? endforeach; ?>
     </ul>
 <? endif; ?>
diff --git a/lib/modules/CoreOverview.class.php b/lib/modules/CoreOverview.class.php
index 38404ea..6aa4a43 100644
--- a/lib/modules/CoreOverview.class.php
+++ b/lib/modules/CoreOverview.class.php
@@ -90,8 +90,20 @@ class CoreOverview extends CorePlugin implements StudipModule
         $navigation->setActiveImage(Icon::create('seminar', Icon::ROLE_INFO));
         if ($object_type !== 'sem') {
             $navigation->addSubNavigation('info', new Navigation(_('Kurzinfo'), 'dispatch.php/institute/overview'));
-            $navigation->addSubNavigation('courses', new Navigation(_('Veranstaltungen'), 'show_bereich.php?level=s&id='.$course_id));
-            $navigation->addSubNavigation('schedule', new Navigation(_('Veranstaltungs-Stundenplan'), 'dispatch.php/calendar/instschedule?cid='.$course_id));
+            $range_tree_node = RangeTreeNode::findOneByStudip_object_id($course_id);
+            if ($range_tree_node) {
+                $navigation->addSubNavigation(
+                    'courses',
+                    new Navigation(_('Veranstaltungen'),
+                        'dispatch.php/search/courses',
+                        [
+                            'node_id' => 'RangeTreeNode_' . $range_tree_node->id,
+                            'type' => 'rangetree'
+                        ]
+                    )
+                );
+                $navigation->addSubNavigation('schedule', new Navigation(_('Veranstaltungs-Stundenplan'), 'dispatch.php/calendar/instschedule?cid='.$course_id));
+            }
 
             if ($GLOBALS['perm']->have_studip_perm('admin', $course_id)) {
                 $navigation->addSubNavigation('admin', new Navigation(_('Administration der Einrichtung'), 'dispatch.php/institute/basicdata/index?new_inst=TRUE'));
-- 
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