submitHandler = (event) => {
    event.preventDefault()
    axios.post('/user', {
        emailAddress: this.state.emailAddress,
            password: this.state.password
        })
      .then((response) => {
                console.log(response)
                if (!response.data.error) {
                    console.log('successful signup')
                    this.setState({
                        redirectTo: '/login'
                    })
                } else {
                    console.log('username already taken')
                }
            })
        .catch(error => {
                console.log('signup error: ')
                console.log(error)
            })
  }

router.post("/", function(req, res) {
  console.log("user login post request");
  console.log(req.body.emailAddress)
  User.findOne({username: req.body.emailAddress}, function(err, user){
      if (err) {
        console.log('post error: ', err)
          res.json({
              error: 'user exsist'
          })
        }
      else if (user) {
        console.log("already exsist")
      }
      else {
        console.log("here new user")
        User.register(new User({username: req.body.emailAddress }), req.body.password, function(error, user){
          if (error) {
            console.log("error -> Post request from user");
            console.log(error);
          } else {
            passport.authenticate("local"),function(req, res){
              res.json(res)
            };
          }
        })
      }
  })
})