Router is not recieving JSON from model? - json

Question

I'm trying to pass an object from a model to my route so I can finish my login system but I'm not recieving anything.
Model code:
const AWS = require('aws-sdk');
const bcrypt = require('bcryptjs');
const config = require('../config/config.json');
var dynamoose = require('dynamoose');
const express = require('express');
var Schema = dynamoose.Schema;
const USER_SCHEMA = new Schema({
username: {
type: String,
required: true
},
firstName: {
type: String
},
lastName: {
type: String
},
email: {
type: String,
required: true
},
credential: {
type: String
},
password: {
type: String,
required: true
}
})
const USER = module.exports = dynamoose.model('Usuarios', USER_SCHEMA);
module.exports.getUserByUsername = function (user, callback) {
var docClient = new AWS.DynamoDB.DocumentClient();
var params = {
TableName: "Users",
KeyConditionExpression: "#us = :uuuu",
ExpressionAttributeNames: {
"#us": "username"
},
ExpressionAttributeValues: {
":uuuu": user
}
};
docClient.query(params, function (err, data) {
if (err) {
console.error("Unable to query. Error:", JSON.stringify(err, null, 2));
} else {
data.Items.forEach(function (user, callback) {
console.log(user.username + ": " + user.password + user.email + user.firstName);
});
}
callback(null, user);
});
}
This is working fine, I can print user.username, user.password and so on, but for some reason my router is not importing the JSON
router.post('/authenticate', (req, res, next) => {
const username = req.body.username;
const password = req.body.password;
USER.getUserByUsername(username, (err, user) => {
if (err) throw err;
if (!user) {
return res.json({
success: false,
"msg": "User not found"
});
}
USER.comparePassword(password, user.password, (err, isMatch) => {
if (err) throw err;
if (isMatch) {
const token = jwt.sign({
username: user
}, secret.secret, {
expiresIn: 86400
});
res.json({
success: true,
token: 'JWT ' + token,
user: {
user: user.username,
password: USER.password,
email: user.email
}
});
} else {
return res.json({
success: false,
msg: 'Wrong password'
})
}
});
});
});
The res.json from comparePassword should be the object from the route (which is the user model) but is not recieving a thing. I have tried with USER.username/email/etc user.username/email/etc but nothing works.
I know I must be missing something somewhere, but where?
Edit: Also tried with module.export.user = user; inside the model