bigbluebutton-Github/bigbluebutton-html5/imports/api/presentations/server/methods/publishSwitchToXSlideMessage.js

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2016-08-03 06:55:20 +08:00
import { publish } from '/imports/api/common/server/helpers';
import { isAllowedTo } from '/imports/startup/server/userPermissions';
import { appendMessageHeader } from '/imports/api/common/server/helpers';
import Presentations from '/imports/api/presentations';
import Slides from '/imports/api/slides';
import { redisConfig } from '/config';
Meteor.methods({
publishSwitchToXSlideMessage(credentials, requestedSlideNum) {
const { meetingId, requesterUserId, requesterToken } = credentials;
const currentPresentationDoc = Presentations.findOne({
meetingId: meetingId,
'presentation.current': true,
});
if (currentPresentationDoc != null) {
const currentSlideDoc = Slides.findOne({
meetingId: meetingId,
presentationId: currentPresentationDoc.presentation.id,
'slide.current': true,
});
if (currentSlideDoc != null) {
const requestedSlideDoc = Slides.findOne({
meetingId: meetingId,
presentationId: currentPresentationDoc.presentation.id,
'slide.num': parseInt(requestedSlideNum),
});
if ((requestedSlideDoc != null) && isAllowedTo('switchSlide', credentials)) {
let message = {
payload: {
page: requestedSlideDoc.slide.id,
meeting_id: meetingId,
},
};
message = appendMessageHeader('go_to_slide', message);
return publish(redisConfig.channels.toBBBApps.presentation, message);
}
}
}
},
});