48 lines
1.2 KiB
JavaScript
48 lines
1.2 KiB
JavaScript
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// service-worker.js
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self.addEventListener('install', function(event) {
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event.waitUntil(
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caches.open('my-cache').then(function(cache) {
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return cache.addAll([
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'index.php',
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'add_material_form.php',
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'article_overview.php',
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'check_expiration.php',
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'css/style.css',
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'img/favicon.png',
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'img/Willkommen.png'
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]);
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})
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);
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});
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self.addEventListener('fetch', function(event) {
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event.respondWith(
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fetch(event.request).catch(function() {
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return caches.match(event.request);
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})
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);
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});
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// Öffnen der Datenbankverbindung bei Bedarf
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function openDatabaseConnection() {
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// Code zum Öffnen der Datenbankverbindung
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}
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// Schließen der Datenbankverbindung bei Bedarf
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function closeDatabaseConnection() {
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// Code zum Schließen der Datenbankverbindung
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}
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// Events zum Öffnen und Schließen der Datenbankverbindung
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self.addEventListener('activate', function(event) {
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openDatabaseConnection();
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});
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// Nachrichtenempfang vom Hauptthread (z.B. von der index.php)
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self.addEventListener('message', function(event) {
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if (event.data.action === 'closeDatabaseConnection') {
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closeDatabaseConnection();
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}
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});
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