bigbluebutton-Github/bigbluebutton-html5/imports/api/ping-pong/server/publishers.js

42 lines
1.4 KiB
JavaScript

import { Meteor } from 'meteor/meteor';
import Logger from '/imports/startup/server/logger';
import _ from 'lodash';
import { extractCredentials } from '/imports/api/common/server/helpers';
const COLLECTION_NAME = 'ping-pong';
const INTERVAL_IN_SETTINGS = (Meteor.settings.public.pingPong.clearUsersInSeconds) * 1000;
const INTERVAL_TIME = INTERVAL_IN_SETTINGS < 10000 ? 10000 : INTERVAL_IN_SETTINGS;
const PONG_INTERVAL_IN_SETTINGS = (Meteor.settings.public.pingPong.pongTimeInSeconds) * 1000;
const PONG_INTERVAL = PONG_INTERVAL_IN_SETTINGS >= (INTERVAL_TIME / 2)
? (INTERVAL_TIME / 2) : PONG_INTERVAL_IN_SETTINGS;
function pingPong() {
if (!this.userId) {
return; // TODO-- is there a more appropriate set to return?
}
const { meetingId, requesterUserId } = extractCredentials(this.userId);
const id = _.uniqueId('pong-');
Logger.info(`Starting ping-pong publish for userId: ${requesterUserId}`);
const pongSender = (interval) => {
const payload = {
pong: {
message: 'pong',
time: Date.now(),
meetingId,
},
};
let fn = this.added.bind(this);
if (interval) fn = this.changed.bind(this);
fn(COLLECTION_NAME, id, payload);
};
pongSender();
this.ready();
const interval = Meteor.setInterval(() => pongSender(true), PONG_INTERVAL);
this.onStop(() => {
Meteor.clearInterval(interval);
});
}
Meteor.publish('ping-pong', pingPong);