bigbluebutton-Github/bigbluebutton-html5/imports/api/captions/server/handlers/captionHistory.js

58 lines
1.6 KiB
JavaScript
Executable File

import _ from 'lodash';
import Captions from '/imports/api/captions';
import { check } from 'meteor/check';
import addCaption from '../modifiers/addCaption';
export default function handleCaptionHistory({ body }, meetingId) {
const SERVER_CONFIG = Meteor.settings.app;
const CAPTION_CHUNK_LENGTH = SERVER_CONFIG.captionsChunkLength || 1000;
const captionHistory = body.history;
check(meetingId, String);
check(captionHistory, Object);
const captionsAdded = [];
_.each(captionHistory, (caption, locale) => {
const ownerId = caption[0];
let captions = caption[1].slice(0);
const chunks = [];
if (captions.length === 0) {
chunks.push('');
} else {
while (captions.length > 0) {
if (captions.length > CAPTION_CHUNK_LENGTH) {
chunks.push(captions.slice(0, CAPTION_CHUNK_LENGTH));
captions = captions.slice(CAPTION_CHUNK_LENGTH);
} else {
chunks.push(captions);
captions = captions.slice(captions.length);
}
}
}
const selectorToRemove = {
meetingId,
locale,
'captionHistory.index': { $gt: (chunks.length - 1) },
};
Captions.remove(selectorToRemove);
chunks.forEach((chunkCaptions, index) => {
const captionHistoryObject = {
locale,
ownerId,
chunkCaptions,
index,
next: (index < chunks.length - 1) ? index + 1 : undefined,
};
captionsAdded.push(addCaption(meetingId, locale, captionHistoryObject));
});
});
return captionsAdded;
}