CartoDB-SQL-API/lib/api/middlewares/db-quota.js

27 lines
838 B
JavaScript

'use strict';
const PSQL = require('cartodb-psql');
const remainingQuotaQuery = 'SELECT _CDB_UserQuotaInBytes() - CDB_UserDataSize(current_schema()) AS remaining_quota';
module.exports = function dbQuota () {
return function dbQuotaMiddleware (req, res, next) {
const { userDbParams } = res.locals;
const pg = new PSQL(userDbParams);
pg.connect((err, client, done) => {
if (err) {
return next(err);
}
client.query(remainingQuotaQuery, (err, result) => {
if(err) {
return next(err);
}
const remainingQuota = result.rows[0].remaining_quota;
res.locals.dbRemainingQuota = remainingQuota;
done();
next();
});
});
};
};