| 1 | import { env } from "cloudflare:workers"; |
| 2 | import { data } from "react-router"; |
| 3 | |
| 4 | import { notifyClient, type NotifyPreferencesChange, type PushSubscriptionJson } from "@g1t/contracts"; |
| 5 | |
| 6 | import type { Route } from "./+types/api"; |
| 7 | import { assertSameOrigin, requireUser } from "../../lib/session.server"; |
| 8 | |
| 9 | function client() { |
| 10 | if (!env.NOTIFY) throw data({ error: "Notifications are not set up here." }, { status: 503 }); |
| 11 | return notifyClient(env.NOTIFY); |
| 12 | } |
| 13 | |
| 14 | /** |
| 15 | * The signed-in person's notification settings, as JSON: `GET` their |
| 16 | * status (with `?endpoint=` for whether this browser gets pushes), `POST` |
| 17 | * a change: `subscribe`, `unsubscribe`, `preferences` or `test`. |
| 18 | */ |
| 19 | export async function loader({ context, request }: Route.LoaderArgs) { |
| 20 | const user = requireUser(context, request); |
| 21 | const endpoint = new URL(request.url).searchParams.get("endpoint"); |
| 22 | const status = await client().status(user, endpoint); |
| 23 | return Response.json(status, { headers: { "cache-control": "no-store" } }); |
| 24 | } |
| 25 | |
| 26 | type Sent = { |
| 27 | intent?: string; |
| 28 | subscription?: PushSubscriptionJson & { expirationTime?: number | null }; |
| 29 | endpoint?: string; |
| 30 | preferences?: NotifyPreferencesChange; |
| 31 | }; |
| 32 | |
| 33 | export async function action({ context, request }: Route.ActionArgs) { |
| 34 | assertSameOrigin(request); |
| 35 | const user = requireUser(context, request); |
| 36 | const sent = (await request.json().catch(() => ({}))) as Sent; |
| 37 | const notify = client(); |
| 38 | switch (sent.intent) { |
| 39 | case "subscribe": { |
| 40 | const s = sent.subscription; |
| 41 | if (!s?.endpoint || !s.keys?.p256dh || !s.keys?.auth) return Response.json({ ok: false }, { status: 400 }); |
| 42 | const subscription: PushSubscriptionJson = { endpoint: s.endpoint, keys: { p256dh: s.keys.p256dh, auth: s.keys.auth } }; |
| 43 | return Response.json(await notify.subscribe(user, subscription, request.headers.get("user-agent"))); |
| 44 | } |
| 45 | case "unsubscribe": |
| 46 | return Response.json(await notify.unsubscribe(user, String(sent.endpoint ?? ""))); |
| 47 | case "preferences": |
| 48 | return Response.json(await notify.setPreferences(user, sent.preferences ?? {})); |
| 49 | case "test": |
| 50 | return Response.json(await notify.test(user)); |
| 51 | default: |
| 52 | return Response.json({ ok: false }, { status: 400 }); |
| 53 | } |
| 54 | } |