69 lines
1.9 KiB
JavaScript
69 lines
1.9 KiB
JavaScript
import RedisPubSub from '/imports/startup/server/redis';
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import { check } from 'meteor/check';
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import Polls from '/imports/api/polls';
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import Logger from '/imports/startup/server/logger';
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import { extractCredentials } from '/imports/api/common/server/helpers';
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export default function publishVote(pollId, pollAnswerIds) {
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try {
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const REDIS_CONFIG = Meteor.settings.private.redis;
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const CHANNEL = REDIS_CONFIG.channels.toAkkaApps;
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const EVENT_NAME = 'RespondToPollReqMsg';
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const { meetingId, requesterUserId } = extractCredentials(this.userId);
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check(meetingId, String);
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check(requesterUserId, String);
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check(pollAnswerIds, Array);
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check(pollId, String);
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const allowedToVote = Polls.findOne({
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id: pollId,
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users: { $in: [requesterUserId] },
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meetingId,
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}, {
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fields: {
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users: 1,
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},
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});
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if (!allowedToVote) {
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Logger.info(`Poll User={${requesterUserId}} has already voted in PollId={${pollId}}`);
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return null;
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}
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const selector = {
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users: requesterUserId,
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meetingId,
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'answers.id': { $all: pollAnswerIds },
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};
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const payload = {
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requesterId: requesterUserId,
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pollId,
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questionId: 0,
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answerIds: pollAnswerIds,
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};
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/*
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We keep an array of people who were in the meeting at the time the poll
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was started. The poll is published to them only.
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Once they vote - their ID is removed and they cannot see the poll anymore
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*/
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const modifier = {
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$pull: {
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users: requesterUserId,
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},
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};
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const numberAffected = Polls.update(selector, modifier);
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if (numberAffected) {
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Logger.info(`Removed responded user=${requesterUserId} from poll (meetingId: ${meetingId}, pollId: ${pollId}!)`);
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RedisPubSub.publishUserMessage(CHANNEL, EVENT_NAME, meetingId, requesterUserId, payload);
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}
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} catch (err) {
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Logger.error(`Exception while invoking method publishVote ${err.stack}`);
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}
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}
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