feat(dtfs2-7693): add problem with service to error handler

Author: AlexBramhill

trade-finance-manager-ui/server/generateApp.js

@@ -6,6 +6,7 @@ const morgan = require('morgan');
 const cookieParser = require('cookie-parser');
 const csrf = require('csurf');
 const flash = require('connect-flash');
+const { HttpStatusCode } = require('axios');
 
 const { getUnauthenticatedAuthRouter } = require('./routes/auth/configs');
 const routes = require('./routes');
@@ -93,14 +94,17 @@ const generateApp = () => {
   app.use('/', routes);
 
   app.get('*', (req, res) => res.render('page-not-found.njk', { user: req.session.user }));
+
   // error handler
-  app.use((error, req, res, next) => {
+  // eslint-disable-next-line no-unused-vars
+  app.use((error, req, res, _next) => {
     if (error.code === 'EBADCSRFTOKEN') {
       // handle CSRF token errors here
-      res.status(error.statusCode || 500);
+      res.status(error.statusCode || HttpStatusCode.InternalServerError);
       res.redirect('/');
     } else {
-      next(error);
+      res.status(HttpStatusCode.InternalServerError);
+      res.render('_partials/problem-with-service.njk');
     }
   });