Initial independent version of CrAPP

src/lib/push-client.ts

@@ -0,0 +1,72 @@
+function base64UrlToUint8Array(base64Url: string): Uint8Array {
+  const padding = "=".repeat((4 - (base64Url.length % 4)) % 4);
+  const base64 = (base64Url + padding).replace(/-/g, "+").replace(/_/g, "/");
+  const raw = atob(base64);
+  const out = new Uint8Array(raw.length);
+  for (let i = 0; i < raw.length; i += 1) out[i] = raw.charCodeAt(i);
+  return out;
+}
+
+function chiaviDa(sub: PushSubscription) {
+  const json = sub.toJSON();
+  return { p256dh: json.keys?.["p256dh"] ?? "", auth: json.keys?.["auth"] ?? "" };
+}
+
+export function pushSupportato() {
+  return (
+    typeof window !== "undefined" &&
+    "serviceWorker" in navigator &&
+    "PushManager" in window &&
+    "Notification" in window
+  );
+}
+
+export async function statoNotifiche(): Promise<boolean> {
+  if (!pushSupportato()) return false;
+  const reg = await navigator.serviceWorker.getRegistration("/push-sw.js");
+  const sub = await reg?.pushManager.getSubscription();
+  return Boolean(sub);
+}
+
+export async function attivaNotifiche(giocatoreId: string): Promise<void> {
+  if (!pushSupportato()) throw new Error("Notifiche non supportate su questo dispositivo");
+
+  const permesso = await Notification.requestPermission();
+  if (permesso !== "granted") throw new Error("Permesso notifiche negato");
+
+  const config = await fetch("/api/public/push-config").then((r) => r.json());
+  if (!config?.publicKey) throw new Error("Notifiche non configurate");
+
+  const reg = await navigator.serviceWorker.register("/push-sw.js");
+  await navigator.serviceWorker.ready;
+
+  const esistente = await reg.pushManager.getSubscription();
+  const sub =
+    esistente ??
+    (await reg.pushManager.subscribe({
+      userVisibleOnly: true,
+      applicationServerKey: base64UrlToUint8Array(config.publicKey) as BufferSource,
+    }));
+
+  const res = await fetch("/api/public/push-subscribe", {
+    method: "POST",
+    headers: { "Content-Type": "application/json" },
+    body: JSON.stringify({ endpoint: sub.endpoint, giocatoreId, ...chiaviDa(sub) }),
+  });
+  if (!res.ok) throw new Error("Salvataggio iscrizione non riuscito");
+}
+
+export async function disattivaNotifiche(): Promise<void> {
+  if (!pushSupportato()) return;
+  const reg = await navigator.serviceWorker.getRegistration("/push-sw.js");
+  const sub = await reg?.pushManager.getSubscription();
+  if (sub) {
+    await fetch("/api/public/push-subscribe", {
+      method: "DELETE",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ endpoint: sub.endpoint }),
+    });
+    await sub.unsubscribe();
+  }
+  await reg?.unregister();
+}