72 lines
2.2 KiB
JavaScript
72 lines
2.2 KiB
JavaScript
import { Router } from 'express';
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import { loadTsv } from '../loader';
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import {buildPronoun, parsePronouns} from "../../src/buildPronoun";
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import {Example} from "../../src/classes";
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import sha1 from 'sha1';
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import {handleErrorAsync} from "../../src/helpers";
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import awsConfig from '../aws';
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import Polly from 'aws-sdk/clients/polly';
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import S3 from 'aws-sdk/clients/s3';
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const router = Router();
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router.get('/pronounce/:voice/:pronoun*', handleErrorAsync(async (req, res) => {
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const pronounString = req.params.pronoun + req.params[0];
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const pronoun = buildPronoun(
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parsePronouns(loadTsv('pronouns/pronouns')),
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pronounString,
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);
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if (!pronoun || !req.query.example) {
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return res.status(404).json({error: 'Not found'});
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}
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let [singular, plural, isHonorific] = req.query.example.split('|');
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const example = new Example(
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Example.parse(singular),
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Example.parse(plural || singular),
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!!parseInt(isHonorific || '0'),
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)
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const text = example.pronounce(pronoun);
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if (!text || text.length > 256) {
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return res.status(404).json({error: 'Not found'});
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}
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const voice = req.config.pronunciation.voices[req.params.voice];
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if (!voice) {
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return res.status(404).json({error: 'Not found'});
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}
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const s3 = new S3(awsConfig);
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const polly = new Polly(awsConfig);
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const key = `pronunciation/${req.config.locale}-${req.params.voice}/${pronounString}/${sha1(text)}.mp3`;
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try {
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const s3getResponse = await s3.getObject({Key: key}).promise();
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return res.set('content-type', s3getResponse.ContentType).send(s3getResponse.Body);
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} catch {
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const pollyResponse = await polly.synthesizeSpeech({
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TextType: 'ssml',
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Text: text,
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OutputFormat: 'mp3',
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LanguageCode: voice.language,
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VoiceId: voice.voice,
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Engine: voice.engine,
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}).promise();
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const s3putResponse = await s3.putObject({
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Key: key,
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Body: pollyResponse.AudioStream,
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ContentType: pollyResponse.ContentType,
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}).promise();
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return res.set('content-type', pollyResponse.ContentType).send(pollyResponse.AudioStream);
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}
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}));
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export default router;
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