From e398eec260ff49cfd347246f143e629905de6f5e Mon Sep 17 00:00:00 2001
From: Peter Thienel <thienel@data-quest.de>
Date: Mon, 6 May 2024 09:14:14 +0000
Subject: =?UTF-8?q?Resolve=20"Terminkalender:=20Dialog=20des=20Termin-Expo?=
 =?UTF-8?q?rts=20schlie=C3=9Ft=20sich=20nicht=20nach=20Download"?=
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Closes #4094

Merge request studip/studip!2938
---
 app/controllers/calendar/calendar.php  | 52 +++++++++++++++++++++-------------
 app/views/calendar/calendar/export.php |  2 +-
 2 files changed, 33 insertions(+), 21 deletions(-)

diff --git a/app/controllers/calendar/calendar.php b/app/controllers/calendar/calendar.php
index 0c24a80..d0d5743 100644
--- a/app/controllers/calendar/calendar.php
+++ b/app/controllers/calendar/calendar.php
@@ -770,29 +770,41 @@ class Calendar_CalendarController extends AuthenticatedController
                 PageLayout::postError(_('Bitte wählen Sie aus, welche Termine exportiert werden sollen!'));
                 return;
             }
-            $ical = '';
-            $calendar_export = new ICalendarExport();
-            if ($this->dates_to_export === 'user') {
-                $ical = $calendar_export->exportCalendarDates(User::findCurrent()->id, $this->begin, $this->end);
-            } elseif ($this->dates_to_export === 'course') {
-                $ical = $calendar_export->exportCourseDates(User::findCurrent()->id, $this->begin, $this->end);
-                $ical .= $calendar_export->exportCourseExDates(User::findCurrent()->id, $this->begin, $this->end);
-            } elseif ($this->dates_to_export === 'all') {
-                $ical = $calendar_export->exportCalendarDates(User::findCurrent()->id, $this->begin, $this->end);
-                $ical .= $calendar_export->exportCourseDates(User::findCurrent()->id, $this->begin, $this->end);
-                $ical .= $calendar_export->exportCourseExDates(User::findCurrent()->id, $this->begin, $this->end);
-            }
-            $ical = $calendar_export->writeHeader() . $ical . $calendar_export->writeFooter();
-            $this->response->add_header('Content-Type', 'text/calendar;charset=utf-8');
-            $this->response->add_header('Content-Disposition', 'attachment; filename="studip.ics"');
-            $this->response->add_header('Content-Transfer-Encoding', 'binary');
-            $this->response->add_header('Pragma', 'public');
-            $this->response->add_header('Cache-Control', 'private');
-            $this->response->add_header('Content-Length', strlen($ical));
-            $this->render_text($ical);
+            $this->relocate($this->url_for('calendar/calendar/export_file', [
+                'begin' => $this->begin->format('d.m.Y'),
+                'end' => $this->end->format('d.m.Y'),
+                'dates_to_export' => $this->dates_to_export
+            ]));
         }
     }
 
+    public function export_file_action()
+    {
+        $begin = Request::getDateTime('begin', 'd.m.Y');
+        $end = Request::getDateTime('end', 'd.m.Y');
+        $dates_to_export = Request::option('dates_to_export', 'user');
+        $ical = '';
+        $calendar_export = new ICalendarExport();
+        if ($dates_to_export === 'user') {
+            $ical = $calendar_export->exportCalendarDates(User::findCurrent()->id, $begin, $end);
+        } elseif ($dates_to_export === 'course') {
+            $ical = $calendar_export->exportCourseDates(User::findCurrent()->id, $begin, $end);
+            $ical .= $calendar_export->exportCourseExDates(User::findCurrent()->id, $begin, $end);
+        } elseif ($dates_to_export === 'all') {
+            $ical = $calendar_export->exportCalendarDates(User::findCurrent()->id, $begin, $end);
+            $ical .= $calendar_export->exportCourseDates(User::findCurrent()->id, $begin, $end);
+            $ical .= $calendar_export->exportCourseExDates(User::findCurrent()->id, $begin, $end);
+        }
+        $ical = $calendar_export->writeHeader() . $ical . $calendar_export->writeFooter();
+        $this->response->add_header('Content-Type', 'text/calendar;charset=utf-8');
+        $this->response->add_header('Content-Disposition', 'attachment; filename="studip.ics"');
+        $this->response->add_header('Content-Transfer-Encoding', 'binary');
+        $this->response->add_header('Pragma', 'public');
+        $this->response->add_header('Cache-Control', 'private');
+        $this->response->add_header('Content-Length', strlen($ical));
+        $this->render_text($ical);
+    }
+
     public function import_action() {}
 
     public function import_file_action()
diff --git a/app/views/calendar/calendar/export.php b/app/views/calendar/calendar/export.php
index 0ff766d..b4171fe 100644
--- a/app/views/calendar/calendar/export.php
+++ b/app/views/calendar/calendar/export.php
@@ -7,7 +7,7 @@
  * @var DateTimeImmutable $end
  */
 ?>
-<form class="default" method="post"
+<form class="default" method="post" data-dialog="size=auto"
       action="<?= $controller->link_for('calendar/calendar/export', $user_id ?? null) ?>">
     <?= CSRFProtection::tokenTag() ?>
     <fieldset>
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