TypeError: Cannot read property 'name' of undefined
    at router.post (/Users/jonathanschroeder/Desktop/authapp/routes/users.js:12:24)
    at Layer.handle [as handle_request] (/Users/jonathanschroeder/Desktop/authapp/node_modules/express/lib/router/layer.js:95:5)
    at next (/Users/jonathanschroeder/Desktop/authapp/node_modules/express/lib/router/route.js:137:13)
    at Route.dispatch (/Users/jonathanschroeder/Desktop/authapp/node_modules/express/lib/router/route.js:112:3)
    at Layer.handle [as handle_request] (/Users/jonathanschroeder/Desktop/authapp/node_modules/express/lib/router/layer.js:95:5)
    at /Users/jonathanschroeder/Desktop/authapp/node_modules/express/lib/router/index.js:281:22
    at Function.process_params (/Users/jonathanschroeder/Desktop/authapp/node_modules/express/lib/router/index.js:335:12)
    at next (/Users/jonathanschroeder/Desktop/authapp/node_modules/express/lib/router/index.js:275:10)
    at Function.handle (/Users/jonathanschroeder/Desktop/authapp/node_modules/express/lib/router/index.js:174:3)
    at router (/Users/jonathanschroeder/Desktop/authapp/node_modules/express/lib/router/index.js:47:12)
    at Layer.handle [as handle_request] (/Users/jonathanschroeder/Desktop/authapp/node_modules/express/lib/router/layer.js:95:5)
    at trim_prefix (/Users/jonathanschroeder/Desktop/authapp/node_modules/express/lib/router/index.js:317:13)
    at /Users/jonathanschroeder/Desktop/authapp/node_modules/express/lib/router/index.js:284:7
    at Function.process_params (/Users/jonathanschroeder/Desktop/authapp/node_modules/express/lib/router/index.js:335:12)
    at next (/Users/jonathanschroeder/Desktop/authapp/node_modules/express/lib/router/index.js:275:10)
    at serveStatic (/Users/jonathanschroeder/Desktop/authapp/node_modules/serve-static/index.js:75:16)

const mongoose = require('mongoose');
//bcrpypt for encrpyption
const bcrypt = require('bcryptjs');
//to connect to database
const config = require('../config/database');


//Create the Schema
const UserSchema = mongoose.Schema({
    name: {
        type: String
    },
    email: {
        type: String,
        require: true,
        unique: true //no two users can share the same email address.
    },
    username: {
        type: String,
        require: true
    },
    password: {
        type: String,
        require: true
    }
});
//Create variable that can be used outside.  set that to mongoose model and pass in the UserSchema
const User = module.exports = mongoose.model('User', UserSchema);

//Create two functions.  Get the user by ID and get the user by username.  Of course I need to do module.exports to use it outside.
module.exports.getUserById = function(id, callback){
    User.findById(id, callback);
}

module.exports.getUserByUsername = function(username, callback){
    const query = {username:username} //findOne function takes in query
    User.findOne(query, callback);
}
//pass in 10 which means Number of rounds to use.  (Default is 10 anyways but I will pass 10)
//reference in case I forget www.npmjs.com/package/bcryptjs
//so it is confusing but this returns the hashed password.
//https://busy.org/@nafestw/mean-tutorial-part-2-adding-a-user-model was a great tutorial for this.
module.exports.addUser = function(newUser, callback){ //I did the callback in the route user.js where it gives success or fail and res.sends success or fail.
  bcrypt.genSalt(10, (err, salt) => {
    bcrypt.hash(newUser.password, salt, (err, hash) => {
      if(err) throw err;
      newUser.password = hash;
      newUser.save(callback);
    });
  });
}

const express = require('express');
const router = express.Router();
const passport = require('passport');
const jwt = require('jsonwebtoken');
//Now that I created the model I will bring it in here.
const User = require('../models/user');

//Registration
router.post('/register', (req,res,next) =>{
    //res.send('registration');
    let newUser = new User({
        name: req.body.name,
        email: req.body.email,
        username: req.body.username,
        password: req.body.password  //I will run this password through bcrypt.hash which will has before db.
    });
    User.addUser(newUser, (err, user) =>{ //I will create this addUser function inside the models user.js
        if(err){
            res.json({success:false, msg:'Registration Failed!'})
        }else{
            res.json({success:true, msg:'User is Registered!'})
        }
    });
});




module.exports = router;

const express = require('express');
const path = require('path');
const bodyParser = require('body-parser');
const cors = require('cors');
const passport = require('passport');
const mongoose = require('mongoose');

const config = require('./config/database')


mongoose.connect(config.database);


mongoose.connection.on('connected',function(){console.log('yay i am connected to database'+config.database)});


mongoose.connection.on('error',function(error){console.log('You have an error'+error)});



const app = express();


const users = require('./routes/users');



const port = 3000;


app.use(cors());


app.use(express.static(path.join(__dirname, 'public')))


app.get('/', function(req,res){res.send('Sending Response')})


app.use('/users', users)


app.listen(port, function(){console.log('Server started on port '+port)})


app.use(bodyParser.json());

{
    "name":"John Doe",
    "email":"john@doe.com",
    "username":"johndoe",
    "password":"123456"
}

module.exports = {
    database:'mongodb://localhost:27017/authapp',
    secret:'NintamaRantaro'
}