firebase implementation

src/lib/api-client.ts

@@ -39,6 +39,8 @@ export const apiClient = {
   get: <T>(path: string) => request<T>(path),
   post: <T>(path: string, body?: unknown) => request<T>(path, { method: 'POST', body: JSON.stringify(body) }),
   patch: <T>(path: string, body?: unknown) => request<T>(path, { method: 'PATCH', body: JSON.stringify(body) }),
+  put: <T>(path: string, body?: unknown) => request<T>(path, { method: 'PUT', body: JSON.stringify(body) }),
   upload: <T>(path: string, form: FormData) => request<T>(path, { method: 'POST', body: form }),
-  delete: (path: string) => request<void>(path, { method: 'DELETE' }),
+  delete: (path: string, body?: unknown) =>
+    request<void>(path, { method: 'DELETE', body: body === undefined ? undefined : JSON.stringify(body) }),
 }

src/lib/firebase.ts

@@ -0,0 +1,81 @@
+import { initializeApp } from 'firebase/app'
+import {
+  getMessaging,
+  register,
+  unregister,
+  onRegistered,
+  onUnregistered,
+  onMessage,
+  isSupported,
+  type MessagePayload,
+  type Unsubscribe,
+} from 'firebase/messaging'
+
+export type PushOptions = {
+  // Вызывается при каждой (пере)регистрации: первый register(), смена FID,
+  // событие pushsubscriptionchange. Здесь отправляйте FID на бэкенд.
+  onInstallationId: (installationId: string) => void
+  // FID больше не активен (unregister) — его нужно удалить на бэкенде
+  onInstallationIdRemoved?: (installationId: string) => void
+  // Сообщения, пришедшие, пока вкладка открыта
+  onForeground?: (payload: MessagePayload) => void
+}
+
+const VAPID_KEY = 'BPr-D-K2uyc9GDNaIBg1JpnjWlNPw-btaKXowDWgvIUZ14l8IBk421x9iJDlGBB_rFSfsK6HCOOfvW0-l88yGPg'
+
+const firebaseConfig = {
+  apiKey: 'AIzaSyAKY4nPht7-YsIQfhcECxVwZFx7iAnCQSM',
+  authDomain: 'ulitka-c811b.firebaseapp.com',
+  projectId: 'ulitka-c811b',
+  storageBucket: 'ulitka-c811b.firebasestorage.app',
+  messagingSenderId: '82243223520',
+  appId: '1:82243223520:web:2c0e68358f8d5f2d2a7585',
+  measurementId: 'G-CMDB21T1WG',
+}
+
+const app = initializeApp(firebaseConfig)
+
+let started = false
+let unsubscribers: Unsubscribe[] = []
+
+export async function enablePush(options: PushOptions): Promise<NotificationPermission | 'unsupported'> {
+  if (!(await isSupported())) return 'unsupported'
+
+  const result = await Notification.requestPermission()
+  if (result === 'granted') await startMessaging(options)
+  return result
+}
+
+export async function autoRequestPush(options: PushOptions): Promise<void> {
+  if (!(await isSupported())) return
+  if (Notification.permission === 'granted') return startMessaging(options)
+}
+
+// Отписывает браузер от FCM. Колбэк onInstallationIdRemoved сработает через onUnregistered.
+export async function disablePush(): Promise<void> {
+  if (!started) return
+  await unregister(getMessaging(app))
+  unsubscribers.forEach((unsubscribe) => unsubscribe())
+  unsubscribers = []
+  started = false
+}
+
+async function startMessaging({ onInstallationId, onInstallationIdRemoved, onForeground }: PushOptions): Promise<void> {
+  if (started) return
+  started = true
+
+  try {
+    const messaging = getMessaging(app)
+    unsubscribers = [
+      onRegistered(messaging, onInstallationId),
+      onUnregistered(messaging, (fid) => onInstallationIdRemoved?.(fid)),
+      onMessage(messaging, (payload) => onForeground?.(payload)),
+    ]
+    await register(messaging, { vapidKey: VAPID_KEY })
+  } catch (err) {
+    unsubscribers.forEach((unsubscribe) => unsubscribe())
+    unsubscribers = []
+    started = false
+    throw err
+  }
+}