new notif everything

1 files changed, 46 insertions, 0 deletions

diff --git a/frontend/main.js b/frontend/main.js
index 1434979..b8803c0 100644
--- a/frontend/main.js
+++ b/frontend/main.js
@@ -7,6 +7,52 @@ const data = {
 
 const API_URL = "https://backend.laundryweb.altafcreator.com"
 
+const PUBLIC_VAPID_KEY = "BCvVfKfWBtHKtzdakJfhYy604yTn0_FgZxy2sNtxcQm6YyC3qdzBBuCJLbVcG6pmbz_CZLa0I44Z-b5UVBbegGw"
+
+// --- REGISTER SERVICE WORKERS
+if ('serviceWorker' in navigator) {
+	navigator.serviceWorker.register('/sw.js', {
+		scope: '/',
+	});
+}
+
+// --- subscribe
+async function subscribe() {
+	if (!('serviceWorker' in navigator)) return;
+
+	const registration = await navigator.serviceWorker.ready;
+
+	const subscription = await registration.pushManager.subscribe({
+		userVisibleOnly: true,
+		applicationServerKey: urlBase64ToUint8Array(PUBLIC_VAPID_KEY),
+	});
+	console.log(subscription);
+
+	await fetch(`${API_URL}/notif_subscribe`, {
+		method: 'POST',
+		body: JSON.stringify(subscription),
+		headers: {
+			"Content-Type": "application/json",
+		},
+	})
+}
+
+/// copied from somewhere
+const urlBase64ToUint8Array = (base64String) => {
+	const padding = '='.repeat((4 - base64String.length % 4) % 4);
+	const base64 = (base64String + padding)
+		.replace(/\-/g, '+')
+		.replace(/_/g, '/');
+
+	const rawData = window.atob(base64);
+	const outputArray = new Uint8Array(rawData.length);
+
+	for (let i = 0; i < rawData.length; ++i) {
+		outputArray[i] = rawData.charCodeAt(i);
+	}
+	return outputArray;
+};
+
 // --- check machine status
 // returns a 2d array representing machines
 // []: root array