From 3b1be1c4b6de66d82b9398dbe359dabf5f1a5155 Mon Sep 17 00:00:00 2001
From: Luca Haid <luca.haid@xinon.eu>
Date: Fri, 12 Sep 2025 07:28:30 +0000
Subject: [PATCH] deregistering the warehouseshippingnote serviceworker

---
 .../WarehouseShippingNoteController.php       | 50 +++++++++++--------
 1 file changed, 30 insertions(+), 20 deletions(-)

diff --git a/application/WarehouseShippingNote/WarehouseShippingNoteController.php b/application/WarehouseShippingNote/WarehouseShippingNoteController.php
index f8c680eb9..bbf144af4 100644
--- a/application/WarehouseShippingNote/WarehouseShippingNoteController.php
+++ b/application/WarehouseShippingNote/WarehouseShippingNoteController.php
@@ -794,30 +794,40 @@ class WarehouseShippingNoteController extends TTCrud {
         self::returnJson($logs);
     }
 
-    protected function swAction() {
-        $javascript = "self.addEventListener('install', event => {
-    console.log('Patching PWA Service Worker: Installing...');
+protected function swAction() {
+    // This script's only job is to unregister the service worker.
+    $javascript = "
+self.addEventListener('install', event => {
+  // Take control immediately so we can proceed to the 'activate' step.
+  self.skipWaiting();
+  console.log('Deregistering PWA Service Worker: Installing...');
 });
 
 self.addEventListener('activate', event => {
-    console.log('Patching PWA Service Worker: Activating...');
-});
+  console.log('Deregistering PWA Service Worker: Activating...');
+  
+  // The main command to unregister the service worker.
+  self.registration.unregister()
+    .then(() => {
+      // After unregistering, get a list of all clients (open tabs/windows).
+      return self.clients.matchAll();
+    })
+    .then(clients => {
+      // Reload all clients to ensure they are no longer controlled by the SW.
+      clients.forEach(client => client.navigate(client.url));
+      console.log('Service worker has been successfully deregistered.');
+    });
+});";
 
-self.addEventListener('fetch', event => {
-   event.respondWith(fetch(event.request));
-});
+    header("Content-Type: application/javascript");
+    header("Service-Worker-Allowed: /");
+    // Ensure the browser never caches this deregistering script.
+    header("Cache-Control: no-cache, no-store, must-revalidate");
+    header("Pragma: no-cache");
+    header("Expires: 0");
 
-console.log('Patching PWA Service Worker: Script loaded.');";
-
-        header("Content-Type: application/javascript");
-        header("Service-Worker-Allowed: /");
-        header("Cache-Control: no-cache");
-        header("Pragma: no-cache");
-        header("Expires: 0");
-
-        echo $javascript;
-        exit;
-
-    }
+    echo $javascript;
+    exit;
+}
 
 }