bigbluebutton-Github/bigbluebutton-html5/imports/api/polls/server/methods/publishVote.js
2017-12-12 11:19:24 -05:00

62 lines
1.6 KiB
JavaScript

import RedisPubSub from '/imports/startup/server/redis';
import { check } from 'meteor/check';
import Polls from '/imports/api/polls';
import Logger from '/imports/startup/server/logger';
export default function publishVote(credentials, id, pollAnswerId) { // TODO discuss location
const REDIS_CONFIG = Meteor.settings.redis;
const CHANNEL = REDIS_CONFIG.channels.toAkkaApps;
const EVENT_NAME = 'RespondToPollReqMsg';
const { meetingId, requesterUserId } = credentials;
/*
We keep an array of people who were in the meeting at the time the poll
was started. The poll is published to them only.
Once they vote - their ID is removed and they cannot see the poll anymore
*/
const currentPoll = Polls.findOne({
users: requesterUserId,
meetingId,
'answers.id': pollAnswerId,
id,
});
check(meetingId, String);
check(requesterUserId, String);
check(pollAnswerId, Number);
check(currentPoll.meetingId, String);
const payload = {
requesterId: requesterUserId,
pollId: currentPoll.id,
questionId: 0,
answerId: pollAnswerId,
};
const selector = {
users: requesterUserId,
meetingId,
'answers.id': pollAnswerId,
};
const modifier = {
$pull: {
users: requesterUserId,
},
};
const cb = (err) => {
if (err) {
return Logger.error(`Updating Polls collection: ${err}`);
}
return Logger.info(`Updating Polls collection (meetingId: ${meetingId},
pollId: ${currentPoll.id}!)`);
};
Polls.update(selector, modifier, cb);
return RedisPubSub.publishUserMessage(CHANNEL, EVENT_NAME, meetingId, requesterUserId, payload);
}