65 lines
1.6 KiB
JavaScript
65 lines
1.6 KiB
JavaScript
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import { Router } from 'express';
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import SQL from 'sql-template-strings';
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import sha1 from 'sha1';
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import {ulid} from "ulid";
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const buildFingerprint = req => sha1(`
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${req.ip}
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${req.headers['user-agent']}
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${req.headers['accept-language']}
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`);
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const hasFinished = async req => {
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if (req.user) {
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const byUser = await req.db.get(SQL`
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SELECT * FROM census
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WHERE locale = ${req.config.locale}
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AND edition = ${req.config.census.edition}
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AND userId = ${req.user.id}
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`);
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if (byUser) {
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return true;
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}
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}
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const fingerprint = buildFingerprint(req);
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const byFingerprint = await req.db.get(SQL`
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SELECT * FROM census
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WHERE locale = ${req.config.locale}
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AND edition = ${req.config.census.edition}
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AND fingerprint = ${fingerprint}
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`);
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if (byFingerprint) {
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return true;
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}
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return false;
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}
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const router = Router();
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router.get('/census/finished', async (req, res) => {
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return res.json(await hasFinished(req));
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});
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router.post('/census/submit', async (req, res) => {
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if (await hasFinished(req)) {
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return res.status(401).json({error: 'Unauthorised'});
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}
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const id = ulid();
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await req.db.get(SQL`INSERT INTO census (id, locale, edition, userId, fingerprint, answers, writins) VALUES (
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${id},
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${req.config.locale},
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${req.config.census.edition},
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${req.user ? req.user.id : null},
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${buildFingerprint(req)},
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${req.body.answers},
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${req.body.writins}
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)`);
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return res.json(id);
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});
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export default router;
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