Essential backend functionality, including logins.

api/routes/baseRouter.js

@@ -0,0 +1,21 @@
+const express = require('express');
+const router = express.Router();
+const userRouter = require('./userRouter'),
+  bookRouter = require('./bookRouter'),
+  borrowRouter = require('./borrowRouter');
+
+// logger
+router.use(function(req, res, next) {
+  if (req.user) {
+    console.log("User %s: %s %s", req.user.username, req.method, req.url);
+  } else {
+    console.log('%s %s', req.method, req.url);
+  }
+  next();
+});
+
+router.use('/users', userRouter);
+router.use('/books', bookRouter);
+router.use('/borrow', borrowRouter);
+
+module.exports = router