Exceptionless Blog Post - User Association

users.js

import { Exceptionless } from "@exceptionless/node";
import express from "express";
const router = express.Router();

await Exceptionless.startup("YOUR API KEY");

const users = [
  {
    key: "123", 
    user: {
      name: "Justin Hunter", 
      email: "justin@email.com", 
      userId: "76a62f17-e177-4cc5-b2aa-49a4d59c99a5"
    }
  }, 
  {
    key: "456", 
    user: {
      name: "Sarah Sanders",
      email: "sarah@email.com", 
      userId: "6840f55b-6694-49b9-b609-40fbcbf155fe" 
    }
  }
]

const authentication = (req, res, next) => {
  const apiKey = req.headers['x-api-key'];
  const keyFound = users.find(u => u.key === apiKey);
  if(!keyFound) {
    return res.status(401).send("Unauthorized");
  }
  res.locals.user = keyFound.user;
  next();
}

const validBody = (body) => {
  if(!body.name || !body.email || !body.userId) {
    return false;
  }

  return true;
}

/* GET users listing. */
router.get('/', authentication, function(req, res, next) {
  const mappedUsers = users.map((u) => {return {
    name: u.user.name, 
    email: u.user.email, 
    userId: u.user.userId
  }});
  res.json(mappedUsers);
});

/* POST new user */

router.post('/', authentication, async function(req, res, next) {
  try {
    if(!validBody(req.body)) {
      throw new Error("No user object provided");
    }
    users.push({
      apiKey: null, 
      user: req.body
    });
    res.json(req.body);
  } catch (error) {
    await Exceptionless.createException(error).setUserIdentity(res.locals.user).submit();
    res.status(400).send(error.message);
  }
})

export default router;