Added basic error reporting

routes/unified-data-gateway.js

@@ -1,42 +1,40 @@
 const express = require("express");
 const router = express.Router();
 const axios = require("axios");
-const qs = require("querystring");
+const url = require("url");
 const util = require("util");
 
 router.get("/", (req, res) => {
   // token in session -> get user data and send it back to the vue app
   if (req.session.token) {
-    query(req.query.threadId);
+    query(req.query.referenceId);
   }
   // no token -> send nothing
   else {
+    const params = new url.URLSearchParams({
+      grant_type: "password",
+      username: process.env.EO_API_USERNAME,
+      password: process.env.EO_API_PASSWORD,
+      scope: process.env.EO_API_SCOPE,
+      client_id: process.env.EO_API_CLIENT_ID,
+      client_secret: process.env.EO_API_SECRET,
+    });
+
     axios
-      .post(
-        process.env.EO_API_ACCESS_TOKEN_URL,
-        qs.stringify({
-          grant_type: "password",
-          username: process.env.EO_API_USERNAME,
-          password: process.env.EO_API_PASSWORD,
-          scope: process.env.EO_API_SCOPE,
-          client_id: process.env.EO_API_CLIENT_ID,
-          client_secret: process.env.EO_API_SECRET,
-        }),
-        {
-          headers: {
-            "Content-Type": "application/x-www-form-urlencoded",
-          },
-        }
-      )
+      .post(process.env.EO_API_ACCESS_TOKEN_URL, params.toString(), {
+        headers: {
+          "Content-Type": "application/x-www-form-urlencoded",
+        },
+      })
       .then((result) => {
         // save token to session
         req.session.token = result.data.access_token;
         console.log(result);
-        //redirect to Vue app
+
         query(req.query.referenceId);
       })
       .catch((err) => {
-        console.error(err);
+        sendError(err, res);
       });
   }
 
@@ -219,8 +217,24 @@ router.get("/", (req, res) => {
         }
       })
       .catch((err) => {
-        console.log(err);
+        // bin the token on error
+        req.session.destroy();
+        sendError(err, res);
       });
   }
 });
 module.exports = router;
+function sendError(err, res) {
+  console.error(err);
+  const errStatus = 500;
+  if (err.response) errStatus = err.response.status;
+  res.status(errStatus).send({
+    errors: [
+      {
+        status: errStatus,
+        title: err.code,
+        detail: err.message,
+      },
+    ],
+  });
+}