bigbluebutton-Github/bigbluebutton-html5/imports/api/annotations/server/handlers/whiteboardSend.js

54 lines
1.7 KiB
JavaScript
Executable File

import { check } from 'meteor/check';
import AnnotationsStreamer from '/imports/api/annotations/server/streamer';
import addAnnotation from '../modifiers/addAnnotation';
import Metrics from '/imports/startup/server/metrics';
const { queueMetrics } = Meteor.settings.private.redis.metrics;
const {
annotationsQueueProcessInterval: ANNOTATION_PROCESS_INTERVAL,
} = Meteor.settings.public.whiteboard;
let annotationsQueue = {};
let annotationsRecieverIsRunning = false;
const process = () => {
if (!Object.keys(annotationsQueue).length) {
annotationsRecieverIsRunning = false;
return;
}
annotationsRecieverIsRunning = true;
Object.keys(annotationsQueue).forEach((meetingId) => {
AnnotationsStreamer(meetingId).emit('added', { meetingId, annotations: annotationsQueue[meetingId] });
if (queueMetrics) {
Metrics.setAnnotationQueueLength(meetingId, 0);
}
});
annotationsQueue = {};
Meteor.setTimeout(process, ANNOTATION_PROCESS_INTERVAL);
};
export default function handleWhiteboardSend({ header, body }, meetingId) {
const userId = header.userId;
const whiteboardId = body.whiteboardId;
const annotations = body.annotations;
check(userId, String);
check(whiteboardId, String);
check(annotations, Array);
if (!annotationsQueue.hasOwnProperty(meetingId)) {
annotationsQueue[meetingId] = [];
}
annotations.map(annotation => {
annotationsQueue[meetingId].push({ meetingId, whiteboardId, userId, annotation });
addAnnotation(meetingId, whiteboardId, userId, annotation);
})
if (queueMetrics) {
Metrics.setAnnotationQueueLength(meetingId, annotationsQueue[meetingId].length);
}
if (!annotationsRecieverIsRunning) process();
}