final auth changes

api/controllers/items.js

@@ -43,8 +43,7 @@ exports.getAllItems = (req, res, next) => {
 //Handle post request to create a new item in the database
 exports.newItem = (req, res, next) => {
     //The poster's id is obtained from the token and stored in the databse along with the item
-    const decoded = jwt.decode(req.headers.authorization.split(' ')[1]);
-    const userId = decoded.username;
+    const userId = req.userData._id;
     const item = new Item({
         _id: new mongoose.Types.ObjectId(),
         name: req.body.name,

api/controllers/messages.js

@@ -7,8 +7,7 @@ const mongoose = require('mongoose');
 //Handles get request to show all messages in the database targetted at the user
 exports.getInbox = (req, res, next) => {
     //By obtaning the username from the token, finds the messages within the database that are specifically targetted at the user
-    const decoded = jwt.decode(req.headers.authorization.split(' ')[1]);
-    const userId = decoded.username;
+    const userId = req.userData._id;
     Message.find({ destination: userId }).select('-__v').exec()
         .then(docs => {
             const response = {
@@ -72,8 +71,7 @@ exports.sendMessage = (req, res, next) => {
 
 //Handles get requests where for messages sent by, rather than to, the user
 exports.getSent = (req, res, next) => {
-    const decoded = jwt.decode(req.headers.authorization.split(' ')[1]);
-    const userId = decoded.username;
+    const userId = req.userData._id;
     Message.find({ sender: userId }).select('-__v').exec()
         .then(docs => {
             const response = {