From 5a225926a255959937bdbeb8ad97743f64bb7f4e Mon Sep 17 00:00:00 2001
From: Rasmus Fuhse <fuhse@data-quest.de>
Date: Tue, 10 Mar 2026 16:02:48 +0000
Subject: =?UTF-8?q?Resolve=20"Art=20des=20Termins=20wird=20=C3=BCberschrie?=
 =?UTF-8?q?ben=20bei=20Stapelverarbeitung=20von=20Terminen"?=
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Closes #6340

Merge request studip/studip!4805


(cherry picked from commit 46a45e6ef5d8700e93b3a37dc9ee0e829711fa85)

abbbe1cb Re# issue-6340
f78be50c If all appointments have the same date_type, it's now shown correctly as the...
02827ba2 moved some code from view to controler
db4049d1 applied suggested changes
7efd1a92 Apply 1 suggestion(s) to 1 file(s)

Co-authored-by: Rasmus Fuhse <fuhse@data-quest.de>
---
 app/controllers/course/timesrooms.php       | 32 ++++++++++++++++-------------
 app/views/course/timesrooms/createCycle.php |  8 +++++++-
 2 files changed, 25 insertions(+), 15 deletions(-)

diff --git a/app/controllers/course/timesrooms.php b/app/controllers/course/timesrooms.php
index 22f93a5..4a0bc78 100644
--- a/app/controllers/course/timesrooms.php
+++ b/app/controllers/course/timesrooms.php
@@ -1389,6 +1389,7 @@ class Course_TimesroomsController extends AuthenticatedController
                 $this->end_semester_weeks['ende'][] = ['value' => -1, 'label' => _('Alle Semester')];
             }
         }
+        $this->types = $this->cycle->dates->pluck('date_typ');;
     }
 
     /**
@@ -1477,14 +1478,14 @@ class Course_TimesroomsController extends AuthenticatedController
     {
         $cycle = SeminarCycleDate::find($cycle_id);
         $start = strtotime(Request::get('start_time'));
-        $end   = strtotime(Request::get('end_time'));
+        $end = strtotime(Request::get('end_time'));
 
         // Prepare Request for saving Request
         if ($start === false || $end === false || $start > $end) {
             PageLayout::postError(_('Die Zeitangaben sind nicht korrekt. Bitte überprüfen Sie diese!'));
         } else {
-            $cycle->start_time  = date('H:i:00', $start);
-            $cycle->end_time    = date('H:i:00', $end);
+            $cycle->start_time = date('H:i:00', $start);
+            $cycle->end_time = date('H:i:00', $end);
         }
 
         //Check the duration:
@@ -1503,42 +1504,45 @@ class Course_TimesroomsController extends AuthenticatedController
             return;
         }
 
-        $cycle->weekday     = Request::int('day');
+        $cycle->weekday = Request::int('day');
         $cycle->description = Request::get('description');
-        $cycle->sws         = Request::get('teacher_sws');
-        $cycle->cycle       = Request::get('cycle');
+        $cycle->sws = Request::get('teacher_sws');
+        $cycle->cycle = Request::get('cycle');
         $cycle->week_offset = Request::int('startWeek');
-        $cycle->end_offset  = Request::int('endWeek');
+        $cycle->end_offset = Request::int('endWeek');
 
         if ($cycle->end_offset == -1) {
             $cycle->end_offset = NULL;
         }
 
         $changed_dates = 0;
-        if (Request::int('course_type')) {
+
+        if (Request::get('course_type') && Request::get('course_type') !== 'default') {
             $changed_dates = $cycle->setSingleDateType(Request::int('course_type'));
+        } elseif ($cycle->isDirty()) {
+            $changed_dates = count($cycle->dates);
         }
 
         if ($changed_dates > 0 || $cycle->isDirty()) {
+
             $cycle->chdate = time();
             $cycle->store();
 
-            if ($changed_dates > 0) {
+            if ($changed_dates > 0 && Request::get('course_type') !== 'default') {
                 PageLayout::postSuccess(sprintf(ngettext(
-                    _('Die Art des Termins wurde bei 1 Termin geändert'),
-                    _('Die Art des Termins wurde bei %u Terminen geändert'),
-                    $changed_dates
-                ), $changed_dates));
+                _('Die Art des Termins wurde bei 1 Termin geändert'),
+                _('Die Art des Termins wurde bei %u Terminen geändert'),
+                $changed_dates), $changed_dates));
             } else {
                 PageLayout::postSuccess(_('Änderungen gespeichert!'));
             }
         } else {
             PageLayout::postInfo(_('Es wurden keine Änderungen vorgenommen'));
         }
-
         $this->relocate('course/timesrooms/index');
     }
 
+
     /**
      * Deletes a cycle
      *
diff --git a/app/views/course/timesrooms/createCycle.php b/app/views/course/timesrooms/createCycle.php
index c226ab1..2ba98c7 100644
--- a/app/views/course/timesrooms/createCycle.php
+++ b/app/views/course/timesrooms/createCycle.php
@@ -40,8 +40,14 @@
         <label>
             <?= _('Art') ?>
             <select name="course_type" id="course_type" class="size-s">
+                <? if (!$cycle->isNew() && count(array_unique($types)) !== 1) : ?>
+                <!-- Use default as placeholder to avoid accidentally overwrite of modified course_type -->
+                    <option value="default" selected>-</option>
+                <? endif ?>
                 <? foreach ($GLOBALS['TERMIN_TYP'] as $id => $value) : ?>
-                    <option value="<?= $id ?>" <? if(Request::get('course_type') && Request::get('course_type') == $id) :?>selected="selected"<? endif?>><?= htmlReady($value['name']) ?></option>
+                    <option value="<?= htmlReady($id) ?>" <? if(count(array_unique($types)) === 1  && $types[0] == $id) echo 'selected'; ?>>
+                        <?= htmlReady($value['name']) ?>
+                    </option>
                 <? endforeach ?>
             </select>
         </label>
-- 
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