Stripe subscription not updating quantity - node.js

Question

I have a fairly simple application that just allows you to create a single admin user that can create sub users under their account. When an admin creates another user I want them to update their subscription on stripe with their current number of users which is gets stored at user.company.subUserCount. But when I do this the user model is not updated with the correct value and stripe will not update at all.
Was hoping someone could take a look at my code snippets and see what is wrong with it that is causing it not to update Stripe.
Route
// POST USER/NEW
app.post('/user/new',
isAuthenticated,
company.postNewUserPlan,
sessions.postSignupSub,
(req, res) => {
User.findById(req.user.id, function(err, user) {
user.company.subUserCount = req.user.company.subUserCount + 1;
user.save();
});
});
company.postNewUserPlan
exports.postNewUserPlan = function(req, res, next){
var plan = req.user.company.stripe.plan;
var coupon = null;
var stripeToken = null;
plan = plan.toLowerCase();
if(req.body.stripeToken){
stripeToken = req.body.stripeToken;
}
User.findById(req.user.id, function(err, user) {
if (err) return next(err);
var quantity = user.company.subUserCount + 1;
user.setPlan(plan, coupon, quantity, stripeToken, function (err) {
var msg;
if (err) {
if(err.code && err.code == 'card_declined'){
msg = 'Your card was declined. Please provide a valid card.';
} else if(err && err.message) {
msg = err.message;
} else {
msg = 'An unexpected error occurred.';
}
req.flash('errors', msg);
return res.redirect('/user/create');
}
});
});
next();
};
sessions.postSignupSub passport code
passport.use('signup-sub', new LocalStrategy({
usernameField: 'email',
passReqToCallback : true
},
function(req, email, password, done) {
User.findOne({ email: req.body.email }, function(err, existingUser) {
if(err){
console.log(err);
}
if (existingUser) {
req.flash('form', {
email: req.body.email
});
return done(null, false, req.flash('error', 'An account with that email address already exists.'));
}
var preRole = req.body.role;
var role = ''
if (preRole === undefined) {
role = 'manager';
} else if (preRole === 'on') {
role = 'employee';
}
// edit this portion to accept other properties when creating a user.
var user = new User({
email: req.body.email,
password: req.body.password, // user schema pre save task hashes this password
role: role,
companyID: req.user.companyID,
isVerified: true
});
user.save(function(err) {
if (err) return done(err, false, req.flash('error', 'Error saving user.'));
var time = 14 * 24 * 3600000;
req.session.cookie.maxAge = time; //2 weeks
req.session.cookie.expires = new Date(Date.now() + time);
req.session.touch();
return done(null, user, req.flash('success', `Your new ${role} has been created`));
});
});
})
);

Answer 1

I managed to solve the issue it was related to code that was not included in the OP after a bit of testing I figured out the subscription was not being updated with a quantity but instead was only being created with it.
Code
schema.methods.setPlan = function(plan, coupon, quantity, stripe_token, cb) {
var user = this;
var subscriptionHandler = function(err, subscription) {
if(err) return cb(err);
user.company.stripe.plan = plan;
user.company.stripe.subscriptionId = subscription.id;
user.company.subUserCount = quantity;
user.save(function(err){
if (err) return cb(err);
return cb(null);
});
};
var createSubscription = function(){
stripe.customers.createSubscription(
user.company.stripe.customerId,
{plan: plan, coupon: coupon, quantity: quantity},
subscriptionHandler
);
};
if(stripe_token) {
user.setCard(stripe_token, function(err){
if (err) return cb(err);
createSubscription();
});
} else {
if (user.company.stripe.subscriptionId){
// update subscription
stripe.customers.updateSubscription(
user.company.stripe.customerId,
user.company.stripe.subscriptionId,
{ plan: plan, coupon: coupon, ***quantity: quantity*** }, <-- Part I had to change
subscriptionHandler
);
} else {
createSubscription();
}
}
};