59 lines
2.0 KiB
JavaScript
Executable File
59 lines
2.0 KiB
JavaScript
Executable File
import { check } from 'meteor/check';
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import AnnotationsStreamer from '/imports/api/annotations/server/streamer';
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import addAnnotation from '../modifiers/addAnnotation';
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import Metrics from '/imports/startup/server/metrics';
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const { queueMetrics } = Meteor.settings.private.redis.metrics;
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const {
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annotationsQueueProcessInterval: ANNOTATION_PROCESS_INTERVAL,
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} = Meteor.settings.public.whiteboard;
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let annotationsQueue = {};
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let annotationsRecieverIsRunning = false;
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const process = () => {
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if (!Object.keys(annotationsQueue).length) {
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annotationsRecieverIsRunning = false;
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return;
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}
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annotationsRecieverIsRunning = true;
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Object.keys(annotationsQueue).forEach((meetingId) => {
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AnnotationsStreamer(meetingId).emit('added', { meetingId, annotations: annotationsQueue[meetingId] });
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if (queueMetrics) {
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Metrics.setAnnotationQueueLength(meetingId, 0);
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}
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});
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annotationsQueue = {};
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Meteor.setTimeout(process, ANNOTATION_PROCESS_INTERVAL);
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};
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export default async function handleWhiteboardSend({ envelope, header, body }, meetingId) {
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const userId = header.userId;
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const whiteboardId = body.whiteboardId;
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const annotations = body.annotations;
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const instanceIdFromMessage = parseInt(envelope.routing.html5InstanceId, 10) || 1;
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const myInstanceId = parseInt(body.myInstanceId, 10) || 1;
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check(userId, String);
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check(whiteboardId, String);
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check(annotations, Array);
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if (!annotationsQueue.hasOwnProperty(meetingId)) {
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annotationsQueue[meetingId] = [];
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}
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// we use a for loop here instead of a map because we need to guarantee the order of the annotations.
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for (const annotation of annotations) {
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annotationsQueue[meetingId].push({ meetingId, whiteboardId, userId: annotation.userId, annotation });
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if (instanceIdFromMessage === myInstanceId) {
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await addAnnotation(meetingId, whiteboardId, annotation.userId, annotation);
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}
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}
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if (queueMetrics) {
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Metrics.setAnnotationQueueLength(meetingId, annotationsQueue[meetingId].length);
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}
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if (!annotationsRecieverIsRunning) process();
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}
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