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