bigbluebutton-Github/bigbluebutton-html5/imports/api/annotations/server/methods/sendAnnotationHelper.js

import RedisPubSub from '/imports/startup/server/redis';
import { Meteor } from 'meteor/meteor';
import { check } from 'meteor/check';
import Logger from '/imports/startup/server/logger';

export default function sendAnnotationHelper(annotation, meetingId, requesterUserId) {
  const REDIS_CONFIG = Meteor.settings.private.redis;
  const CHANNEL = REDIS_CONFIG.channels.toAkkaApps;
  const EVENT_NAME = 'SendWhiteboardAnnotationPubMsg';

  try {
    const whiteboardId = annotation.wbId;

    check(annotation, Object);
    check(whiteboardId, String);

    if (annotation.annotationType === 'text') {
      check(annotation, {
        id: String,
        status: String,
        annotationType: String,
        annotationInfo: {
          x: Number,
          y: Number,
          fontColor: Number,
          calcedFontSize: Number,
          textBoxWidth: Number,
          text: String,
          textBoxHeight: Number,
          id: String,
          whiteboardId: String,
          status: String,
          fontSize: Number,
          dataPoints: String,
          type: String,
        },
        wbId: String,
        userId: String,
        position: Number,
      });
    } else {
      check(annotation, {
        id: String,
        status: String,
        annotationType: String,
        annotationInfo: {
          color: Number,
          thickness: Number,
          points: Array,
          id: String,
          whiteboardId: String,
          status: String,
          type: String,
          dimensions: Match.Maybe([Number]),
        },
        wbId: String,
        userId: String,
        position: Number,
      });
    }

    const payload = {
      annotation,
      drawEndOnly: true,
    };

    return RedisPubSub.publishUserMessage(CHANNEL, EVENT_NAME, meetingId, requesterUserId, payload);
  } catch (err) {
    Logger.error(`Exception while invoking method sendAnnotationHelper ${err.stack}`);
  }
}