49 lines
1.3 KiB
JavaScript
Executable File
49 lines
1.3 KiB
JavaScript
Executable File
import Presentations from '/imports/api/2.0/presentations';
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import Slides from '/imports/api/2.0/slides';
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import { Meteor } from 'meteor/meteor';
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import { check } from 'meteor/check';
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import RedisPubSub from '/imports/startup/server/redis2x';
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export default function switchSlide(credentials, slideNumber) {
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const REDIS_CONFIG = Meteor.settings.redis;
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const CHANNEL = REDIS_CONFIG.channels.toAkkaApps;
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const EVENT_NAME = 'SetCurrentPagePubMsg';
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const { meetingId, requesterUserId, requesterToken } = credentials;
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check(meetingId, String);
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check(requesterUserId, String);
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check(requesterToken, String);
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check(slideNumber, Number);
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const selector = {
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meetingId,
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current: true,
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};
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const Presentation = Presentations.findOne(selector);
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if (!Presentation) {
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throw new Meteor.Error(
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'presentation-not-found', 'You need a presentation to be able to switch slides');
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}
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const Slide = Slides.findOne({
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meetingId,
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presentationId: Presentation.id,
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num: slideNumber,
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});
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if (!Slide) {
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throw new Meteor.Error(
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'slide-not-found', `Slide number ${slideNumber} not found in the current presentation`);
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}
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const payload = {
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pageId: Slide.id,
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presentationId: Presentation.id,
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};
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return RedisPubSub.publish(CHANNEL, EVENT_NAME, meetingId, payload, { userId: requesterUserId });
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} |