Space-Banane
31 lines
1.1 KiB
TypeScript
31 lines
1.1 KiB
TypeScript
import { Channel } from "rjweb-server";
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/**
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* Real-time hub. One RJWEB Channel per human account; the websocket endpoint
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* subscribes each authenticated socket to its owner's channel via
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* `ctr.printChannel(getUserChannel(userId))`. Any server-side event for that
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* user (new notification, request state change) is published to the channel and
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* fanned out to every open socket.
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*/
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const userChannels = new Map<number, Channel<string>>();
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export function getUserChannel(userId: number): Channel<string> {
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let channel = userChannels.get(userId);
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if (!channel) {
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channel = new Channel<string>();
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userChannels.set(userId, channel);
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}
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return channel;
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}
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export type RealtimeEvent =
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| { kind: "notification"; notification: unknown; unreadCount: number }
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| { kind: "request_event"; event: string; requestPublicId: string }
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| { kind: "ping"; at: string };
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export async function publishToUser(userId: number, event: RealtimeEvent): Promise<void> {
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const channel = userChannels.get(userId);
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if (!channel) return; // nobody connected — nothing to push
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await channel.send("text", JSON.stringify(event));
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}
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