From b9cea121a43244138826c08a582336e74a3f39db Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Tue, 9 Jan 2024 20:44:42 +0100
Subject: gegen negative Zeiten rüsten
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---
 computer-time-limit.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/computer-time-limit.php b/computer-time-limit.php
index a00a9b1..7cc57fb 100644
--- a/computer-time-limit.php
+++ b/computer-time-limit.php
@@ -32,10 +32,15 @@ if (array_key_exists('msg', $_POST) && array_key_exists('sig', $_POST)) {
     print($key . ' is not known.');
     die();
   }
+  $aktiv = $row['aktiv'];
   $bis = strtotime($row['bis']);
   $von = strtotime($row['von']);
+  if ($bis < $von) {
+    $aktiv = 0;
+    $bis = $von;
+  }
   $bis = $bis + 30*60*(floor(time()/60/60/24) - floor($von/60/60/24));
-  if ($row['aktiv']) {
+  if ($aktiv) {
     $von = time();
   }
   $noch = $bis - $von;
-- 
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