| 48 | }, []); |
| 49 | |
| 50 | const subscribe = async (): Promise<void> => { |
| 51 | try { |
| 52 | setLoading(true); |
| 53 | |
| 54 | // Explicitly request notification permission before subscribing |
| 55 | // to the push manager. Without this, pushManager.subscribe() |
| 56 | // throws a generic "Registration failed - permission denied" |
| 57 | // DOMException when the permission state is "denied", which |
| 58 | // gives no opportunity to show a clear message to the user. |
| 59 | const permission = await Notification.requestPermission(); |
| 60 | if (permission !== "granted") { |
| 61 | throw new Error( |
| 62 | "Notifications are blocked by your browser. Please allow notifications for this site in your browser settings.", |
| 63 | ); |
| 64 | } |
| 65 | |
| 66 | const registration = await navigator.serviceWorker.ready; |
| 67 | const vapidPublicKey = buildInfoQuery.data?.webpush_public_key; |
| 68 | |
| 69 | const subscription = await registration.pushManager.subscribe({ |
| 70 | userVisibleOnly: true, |
| 71 | applicationServerKey: vapidPublicKey, |
| 72 | }); |
| 73 | const json = subscription.toJSON(); |
| 74 | if (!json.keys || !json.endpoint) { |
| 75 | throw new Error("No keys or endpoint found"); |
| 76 | } |
| 77 | |
| 78 | await API.createWebPushSubscription("me", { |
| 79 | endpoint: json.endpoint, |
| 80 | auth_key: json.keys.auth, |
| 81 | p256dh_key: json.keys.p256dh, |
| 82 | }); |
| 83 | |
| 84 | setSubscribed(true); |
| 85 | } catch (error) { |
| 86 | console.error("Subscription failed:", error); |
| 87 | throw error; |
| 88 | } finally { |
| 89 | setLoading(false); |
| 90 | } |
| 91 | }; |
| 92 | |
| 93 | const unsubscribe = async (): Promise<void> => { |
| 94 | try { |