fork and copy @satellite/personal-node

src/modules/control/config-actions.ts

@@ -0,0 +1,49 @@
+import { WebSocket } from 'ws';
+import { ConfigMessage, ConfigResponse } from '@satellite-earth/core/types/control-api/config.js';
+
+import type App from '../../app/index.js';
+import { type ControlMessageHandler } from './control-api.js';
+
+/** handles ['CONTROL', 'CONFIG', ...] messages */
+export default class ConfigActions implements ControlMessageHandler {
+	app: App;
+	name = 'CONFIG';
+
+	private subscribed = new Set<WebSocket | NodeJS.Process>();
+
+	constructor(app: App) {
+		this.app = app;
+
+		// when config changes send it to the subscribed sockets
+		this.app.config.on('changed', (config) => {
+			for (const sock of this.subscribed) {
+				this.send(sock, ['CONTROL', 'CONFIG', 'CHANGED', config]);
+			}
+		});
+	}
+
+	handleMessage(sock: WebSocket | NodeJS.Process, message: ConfigMessage) {
+		const method = message[2];
+		switch (method) {
+			case 'SUBSCRIBE':
+				this.subscribed.add(sock);
+				sock.once('close', () => this.subscribed.delete(sock));
+				this.send(sock, ['CONTROL', 'CONFIG', 'CHANGED', this.app.config.data]);
+				return true;
+
+			case 'SET':
+				const field = message[3];
+				const value = message[4];
+
+				this.app.config.setField(field, value);
+				return true;
+
+			default:
+				return false;
+		}
+	}
+
+	send(sock: WebSocket | NodeJS.Process, response: ConfigResponse) {
+		sock.send?.(JSON.stringify(response));
+	}
+}