86 lines
2.3 KiB
TypeScript
86 lines
2.3 KiB
TypeScript
import {
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cancelScheduledDisconnectRoomChat,
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scheduleDisconnectRoomChat,
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} from '@/lib/chzzk/chat-session';
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import { assertChannelRoomAccess } from '@/lib/auth/room-access';
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import {
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addRoomViewer,
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getRoom,
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removeRoomViewer,
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subscribeRoom,
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toPublicRoom,
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type PublicRoomState,
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} from '@/lib/rooms/store';
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export const runtime = 'nodejs';
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export const dynamic = 'force-dynamic';
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type Params = { params: Promise<{ roomId: string }> };
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export async function GET(request: Request, { params }: Params) {
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const { roomId } = await params;
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const room = getRoom(roomId);
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if (!room) {
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return new Response(JSON.stringify({ error: '방을 찾을 수 없습니다.' }), {
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status: 404,
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headers: { 'Content-Type': 'application/json' },
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});
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}
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const access = await assertChannelRoomAccess(room, request);
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if (!access.ok) return access.response;
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const clientId =
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new URL(request.url).searchParams.get('clientId')?.trim() ||
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crypto.randomUUID();
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const encoder = new TextEncoder();
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let unsubscribe: (() => void) | null = null;
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let heartbeat: ReturnType<typeof setInterval> | null = null;
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let presenceHeld = false;
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const release = () => {
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if (!presenceHeld) return;
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presenceHeld = false;
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const { emptied } = removeRoomViewer(roomId, clientId);
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if (emptied) {
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scheduleDisconnectRoomChat(roomId);
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}
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};
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const stream = new ReadableStream({
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start(controller) {
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cancelScheduledDisconnectRoomChat(roomId);
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addRoomViewer(roomId, clientId);
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presenceHeld = true;
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const send = (event: string, data: unknown) => {
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controller.enqueue(
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encoder.encode(`event: ${event}\ndata: ${JSON.stringify(data)}\n\n`),
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);
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};
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send('room', toPublicRoom(room));
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unsubscribe = subscribeRoom(roomId, (state: PublicRoomState) => {
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send('room', state);
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});
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heartbeat = setInterval(() => {
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controller.enqueue(encoder.encode(`: ping\n\n`));
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}, 15000);
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},
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cancel() {
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if (unsubscribe) unsubscribe();
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if (heartbeat) clearInterval(heartbeat);
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release();
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},
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});
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return new Response(stream, {
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headers: {
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'Content-Type': 'text/event-stream; charset=utf-8',
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'Cache-Control': 'no-cache, no-transform',
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Connection: 'keep-alive',
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},
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});
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}
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