Add guest push notifications and queue alerts

resources/js/guest/services/pushApi.ts

@@ -0,0 +1,71 @@
+import { getDeviceId } from '../lib/device';
+
+type PushSubscriptionPayload = {
+  endpoint: string;
+  keys: {
+    p256dh: string;
+    auth: string;
+  };
+  expirationTime?: number | null;
+  contentEncoding?: string | null;
+};
+
+function buildHeaders(): HeadersInit {
+  return {
+    Accept: 'application/json',
+    'Content-Type': 'application/json',
+    'X-Device-Id': getDeviceId(),
+  };
+}
+
+export async function registerPushSubscription(eventToken: string, subscription: PushSubscription): Promise<void> {
+  const json = subscription.toJSON() as PushSubscriptionPayload;
+
+  const body = {
+    endpoint: json.endpoint,
+    keys: json.keys,
+    expiration_time: json.expirationTime ?? null,
+    content_encoding: json.contentEncoding ?? null,
+  };
+
+  const response = await fetch(`/api/v1/events/${encodeURIComponent(eventToken)}/push-subscriptions`, {
+    method: 'POST',
+    headers: buildHeaders(),
+    credentials: 'include',
+    body: JSON.stringify(body),
+  });
+
+  if (!response.ok) {
+    const message = await parseError(response);
+    throw new Error(message ?? 'Push-Registrierung fehlgeschlagen.');
+  }
+}
+
+export async function unregisterPushSubscription(eventToken: string, endpoint: string): Promise<void> {
+  const response = await fetch(`/api/v1/events/${encodeURIComponent(eventToken)}/push-subscriptions`, {
+    method: 'DELETE',
+    headers: buildHeaders(),
+    credentials: 'include',
+    body: JSON.stringify({ endpoint }),
+  });
+
+  if (!response.ok) {
+    const message = await parseError(response);
+    throw new Error(message ?? 'Push konnte nicht deaktiviert werden.');
+  }
+}
+
+async function parseError(response: Response): Promise<string | null> {
+  try {
+    const payload = await response.clone().json();
+    const errorMessage = payload?.error?.message ?? payload?.message;
+    if (typeof errorMessage === 'string' && errorMessage.trim() !== '') {
+      return errorMessage;
+    }
+  } catch (error) {
+    console.warn('Failed to parse push API error', error);
+  }
+
+  return null;
+}
+