Added authGuard function and its implementations

Also refactored small code mistakes.

api/routes/auth.js

@@ -1,5 +1,4 @@
 'use strict'
-
 // Router
 const express = require('express');
 let router = express.Router();
@@ -9,45 +8,22 @@ const UserRepository = require('../repositories/user-repository');
 const Users = new UserRepository();
 
 // ROUTES
-// ENTRY POINT
-const authUser = (mail, password) => {
-    return Users.logUserToAPI(mail, password)
-    .catch(err => {
-        throw err
-    })
-}
-router.get('/login', async (req, res) => {
-    authUser(req.body.mail, req.body.password)
-    .then(v => {
-        res.setHeader('Content-Type', 'application/json;charset=utf-8')
-        res.end(JSON.stringify(v))
-    })
-    .catch(err => {
-        res.status(err.code).send(JSON.stringify(
-            {
-                "error": err.message,
-                "code": err.code
-            })
-        )
-    })
-})
-
 // GEN API TOKEN
 const generateAPIToken = (mail, password) => {
     return Users.genAPIToken(mail, password)
-    .catch(err => {
-        throw err
-    })
+        .catch(err => {
+            throw err
+        })
 }
 router.get('/genToken', async (req, res) => {
-  generateAPIToken(req.body.mail, req.body.password)
-  .then(v => {
-      res.setHeader('Content-Type', 'application/json;charset=utf-8')
-      res.end(JSON.stringify(v))
-  })
-  .catch(err => {
-      res.status(err.code).send(JSON.stringify(err))
-  })
+    generateAPIToken(req.body.mail, req.body.password)
+        .then(v => {
+            res.setHeader('Content-Type', 'application/json;charset=utf-8')
+            res.end(JSON.stringify(v))
+        })
+        .catch(err => {
+            res.status(err.code).send(JSON.stringify(err))
+        })
 })
 
-module.exports = router
+module.exports = router;