49 lines
1.2 KiB
JavaScript
49 lines
1.2 KiB
JavaScript
'use strict';
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const knex = require('../lib/knex');
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const shortid = require('../lib/shortid');
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async function addConfirmation(listId, action, ip, data) {
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const cid = shortid.generate();
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await knex('confirmations').insert({
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cid,
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list: listId,
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action,
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ip,
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data: JSON.stringify(data || {})
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});
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return cid;
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}
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/*
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Atomically retrieves confirmation from the database, removes it from the database and returns it.
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*/
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async function takeConfirmation(cid) {
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return await knex.transaction(async tx => {
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const entry = await tx('confirmations').select(['cid', 'list', 'action', 'ip', 'data']).where('cid', cid).forUpdate().first();
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if (!entry) {
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return false;
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}
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await tx('confirmations').where('cid', cid).del();
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let data;
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try {
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data = JSON.parse(entry.data);
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} catch (err) {
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data = {};
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}
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return {
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list: entry.list,
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action: entry.action,
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ip: entry.ip,
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data
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};
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});
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}
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module.exports.addConfirmation = addConfirmation;
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module.exports.takeConfirmation = takeConfirmation;
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