74 lines
2.1 KiB
JavaScript
74 lines
2.1 KiB
JavaScript
import AudioCaptions from '/imports/api/audio-captions';
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import Auth from '/imports/ui/services/auth';
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const CAPTIONS_CONFIG = Meteor.settings.public.captions;
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const CAPTIONS_ALWAYS_VISIBLE = Meteor.settings.public.app.audioCaptions.alwaysVisible;
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const CHARACTERS_PER_LINE = CAPTIONS_CONFIG.lineLimit;
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const LINES_PER_MESSAGE = CAPTIONS_CONFIG.lines;
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const CAPTION_TIME = CAPTIONS_CONFIG.time;
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const CAPTION_LIMIT = CAPTIONS_CONFIG.captionLimit;
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function splitTranscript(obj) {
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const transcripts = [];
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const words = obj.transcript.split(' ');
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let currentLine = '';
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let result = '';
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for (const word of words) {
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if ((currentLine + word).length <= CHARACTERS_PER_LINE) {
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currentLine += word + ' ';
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} else {
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result += currentLine.trim() + '\n';
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currentLine = word + ' ';
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}
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if (result.split('\n').length > LINES_PER_MESSAGE) {
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transcripts.push(result)
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result = ''
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}
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}
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if (result.length) {
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transcripts.push(result)
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}
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transcripts.push(currentLine.trim())
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return transcripts.map((t) => { return { ...obj, transcript: t} });
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}
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const getAudioCaptionsData = () => {
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// the correct way woulde to use { limit: CAPTION_LIMIT } but something
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// is up with this mongo query and it does not seem to work
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let audioCaptions = AudioCaptions.find({ meetingId: Auth.meetingID}, { sort: { lastUpdate: -1 } }).fetch().slice(-CAPTION_LIMIT);
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const recentEnough = (c) => (new Date().getTime()/1000 - c.lastUpdated) < CAPTIONS_CONFIG.time/1000;
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audioCaptions = audioCaptions.filter(recentEnough).map((c) => {
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const splits = splitTranscript(c);
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return splits;
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});
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return audioCaptions.flat().filter((c) => c.transcript).slice(-CAPTION_LIMIT);
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};
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const getAudioCaptions = () => Session.get('audioCaptions') || false;
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const setAudioCaptions = (value) => Session.set('audioCaptions', value);
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const hasAudioCaptions = () => {
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const audioCaptions = AudioCaptions.findOne(
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{ meetingId: Auth.meetingID },
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{ fields: {} },
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);
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return CAPTIONS_ALWAYS_VISIBLE || !!audioCaptions;
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};
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export default {
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getAudioCaptionsData,
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getAudioCaptions,
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setAudioCaptions,
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hasAudioCaptions,
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};
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