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import db from './db.js';
const deleteExpiredSurveysStatement = db.prepare(`DELETE FROM surveys WHERE data->>'expiration' < ?;`);
const getSurveysStatement = db.prepare(`SELECT data FROM surveys WHERE data->>'symbol' = ?;`);
const setSurveysStatement = db.prepare(`INSERT INTO surveys(data) VALUES (json(?));`);
export function deleteExpired() {
return deleteExpiredSurveysStatement.run(new Date().toISOString()).changes;
}
export function get(symbol) {
deleteExpired();
const data = getSurveysStatement.all(symbol);
return data.map(elt => JSON.parse(elt.data));
}
export function set(survey) {
deleteExpired();
return setSurveysStatement.run(JSON.stringify(survey));
}
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