Added get user by id route

Server/API/API.js

@@ -6,6 +6,7 @@ const bodyParser = require('body-parser');
 const UpdateRouter = require('./Routers/UpdateRouter');
 const AccountRouter = require('./Routers/AccountRouter');
 const FrameRouter = require('./Routers/FrameRouter');
+const UserRouter = require('./Routers/UserRouter');
 
 
 // parse application/x-www-form-urlencoded
@@ -20,6 +21,7 @@ router.use(bodyParser.json())
 // }
 
 router.use('/update', UpdateRouter);
-router.use('/account', AccountRouter)
-router.use('/frame', FrameRouter)
+router.use('/account', AccountRouter);
+router.use('/frame', FrameRouter);
+router.use('/user', UserRouter);
 module.exports = router;

Server/API/Routers/UserRouter.js

@@ -0,0 +1,37 @@
+const express = require("express");
+const DBUtils = require('../../Utils/DBUtil');
+const AuthUtil = require('../../Utils/AuthUtil');
+
+const router = express.Router();
+
+router.get('/:accountId', (req, res) => {
+  const token = req.get('token');
+  const accountId = req.params.accountId;
+  if(!accountId){
+    res.status(400).json({
+      message: 'Invalid account id'
+    });
+    return;
+  }
+  AuthUtil.getAccountByToken(token)
+    .then(account => {
+      AuthUtil.getUserByAccountId(accountId)
+        .then(user => {
+          res.json(user);
+        })
+        .catch(reason => {
+          res.status(400).json({
+            message: reason
+          });
+        })
+    })
+    .catch(reason => {
+      res.status(401).json({
+        message: reason
+      });
+    })
+});
+
+
+
+module.exports = router;