83 lines
2.9 KiB
JavaScript
83 lines
2.9 KiB
JavaScript
const CACHE_NAME = 'ttmqms-enterprise-v2.3-offline';
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const STATIC_ASSETS = [
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'/',
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'/assets/css/index.css',
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'/assets/css/bootstrap-icons.min.css',
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'/assets/css/flatpickr.min.css',
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'/assets/js/app.js',
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'/assets/js/tailwindcss.min.js',
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'/assets/js/alpine.min.js',
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'/assets/js/chart.umd.min.js',
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'/assets/js/sweetalert2.all.min.js',
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'/assets/js/flatpickr.min.js'
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];
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// Install Event - Precache static resources
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self.addEventListener('install', (event) => {
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event.waitUntil(
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caches.open(CACHE_NAME).then((cache) => {
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console.log('[ServiceWorker] Caching App Shell & Static Assets');
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return cache.addAll(STATIC_ASSETS.map(url => new Request(url, { mode: 'no-cors' }))).catch(err => {
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console.warn('[ServiceWorker] Some CDN assets failed to precache in offline mode', err);
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});
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}).then(() => self.skipWaiting())
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);
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});
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// Activate Event - Clean up old caches
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self.addEventListener('activate', (event) => {
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event.waitUntil(
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caches.keys().then((keyList) => {
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return Promise.all(
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keyList.map((key) => {
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if (key !== CACHE_NAME) {
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console.log('[ServiceWorker] Removing old cache:', key);
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return caches.delete(key);
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}
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})
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);
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}).then(() => self.clients.claim())
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);
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});
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// Fetch Event - Cache-first for CDN/static, Network-first for API & Views
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self.addEventListener('fetch', (event) => {
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const url = new URL(event.request.url);
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// ห้ามแคชคำขอ REST API (/api/v1/ หรือ ?api=/api/v1/) และคำขอ POST/PUT/DELETE
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if (url.pathname.startsWith('/api/') || url.pathname.includes('/api/v1/') || url.search.includes('api=') || url.search.includes('endpoint=') || event.request.method !== 'GET') {
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event.respondWith(
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fetch(event.request).catch((err) => {
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return new Response(
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JSON.stringify({
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success: false,
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error: 'ออฟไลน์ (Offline Mode): ไม่สามารถเชื่อมต่อกับเซิร์ฟเวอร์โรงพยาบาลได้ในขณะนี้',
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offline: true
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}),
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{ status: 503, headers: { 'Content-Type': 'application/json; charset=utf-8' } }
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);
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})
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);
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return;
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}
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// Stale-While-Revalidate Strategy for HTML and assets
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event.respondWith(
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caches.match(event.request).then((cachedResponse) => {
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const fetchPromise = fetch(event.request).then((networkResponse) => {
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if (networkResponse && networkResponse.status === 200) {
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const responseToCache = networkResponse.clone();
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caches.open(CACHE_NAME).then((cache) => {
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cache.put(event.request, responseToCache);
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});
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}
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return networkResponse;
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}).catch((err) => {
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console.warn('[ServiceWorker] Network request failed, serving from cache if available');
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});
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return cachedResponse || fetchPromise;
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})
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);
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});
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