personController.js

const db = require('../models/db');

exports.getPersonInformations = (req, res, next) => {
    let personId = req.params.id;

    db.query('SELECT * FROM Personne WHERE nconst = ?',
        [personId], function (error, results, fields) {

            if (error) {
                res.status(500).json({ error });
            } else {
                let infos = results[0];
                res.status(200).json(infos);
            }
        })
};