mirror of
https://github.com/codeninjasllc/codecombat.git
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fec3ac38e9
Admins can generate a prepaid code, which a user can use to subscribe for free via the account/subscription page. The subscription will be identical to the normal monthly subscription (e.g. 3500 gems per month), except they won’t be charged. Does not require the recipient to enter billing information. Can be applied to an existing subscription, which will be converted to free. Prepaid code can only be used once. Prepaid subscription cannot be unsubscribed via the UI.
185 lines
7.5 KiB
CoffeeScript
185 lines
7.5 KiB
CoffeeScript
async = require 'async'
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config = require '../../server_config'
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stripe = require('stripe')(config.stripe.secretKey)
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User = require '../users/User'
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Payment = require '../payments/Payment'
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errors = require '../commons/errors'
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mongoose = require 'mongoose'
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utils = require '../../app/core/utils'
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module.exports.setup = (app) ->
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# Cache customer -> user ID map (increases test perf considerably)
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customerUserMap = {}
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app.post '/stripe/webhook', (req, res) ->
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# Subscription renewal events:
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# https://support.stripe.com/questions/what-events-can-i-see-when-a-subscription-is-renewed
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if req.body.type is 'invoice.payment_succeeded'
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return handlePaymentSucceeded req, res
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else if req.body.type is 'customer.subscription.deleted'
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return handleSubscriptionDeleted req, res
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else # ignore all other notifications
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return res.send(200, '')
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app.get '/stripe/coupons', (req, res) ->
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return errors.forbidden(res) unless req.user?.isAdmin()
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stripe.coupons.list {limit: 100}, (err, coupons) ->
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return errors.serverError(res) if err
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res.send(200, coupons.data)
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return res.end()
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handlePaymentSucceeded = (req, res) ->
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# if they actually paid, give em some gems
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getUserID = (customerID, done) =>
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# Asumming Stripe customer never has a different userID
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return done(null, customerUserMap[customerID]) if customerID of customerUserMap
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stripe.customers.retrieve customerID, (err, customer) =>
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return done(err) if err
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customerUserMap[customerID] = customer.metadata.id
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return done(null, customerUserMap[customerID])
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invoiceID = req.body.data.object.id
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stripe.invoices.retrieve invoiceID, (err, invoice) =>
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return res.send(500, '') if err
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unless invoice.total or invoice.discount?.coupon?.id is 'free'
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# invoices made when trialing, probably given for people who resubscribe after unsubscribing
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return res.send(200, '')
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return res.send(200, '') unless invoice.lines?.data?.length > 0
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getUserID invoice.customer, (err, userID) =>
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return res.send(500, '') if err
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# User is recipient if no metadata.id
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recipientID = invoice.lines.data[0].metadata?.id or userID
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# Subscription id location depends on invoice line_item type
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subscriptionID = invoice.lines.data[0].subscription or invoice.lines.data[0].id
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User.findById recipientID, (err, recipient) =>
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return res.send(500, '') if err
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return res.send(200) unless recipient # just for the sake of testing...
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Payment.findOne {'stripe.invoiceID': invoiceID}, (err, payment) =>
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return res.send(200, '') if payment
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payment = new Payment({
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'purchaser': mongoose.Types.ObjectId(userID)
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'recipient': recipient._id
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'created': new Date().toISOString()
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'service': 'stripe'
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'amount': invoice.total
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'stripe': {
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customerID: invoice.customer
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invoiceID: invoice.id
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subscriptionID: subscriptionID
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}
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})
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payment.set 'gems', 3500 if invoice.lines.data[0].plan?.id is 'basic'
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payment.save (err) =>
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return res.send(500, '') if err
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return res.send(201, '') if invoice.lines.data[0].plan?.id isnt 'basic'
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# Update purchased gems
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# TODO: is this correct for a resub?
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Payment.find({recipient: recipient._id, gems: {$exists: true}}).select('gems').exec (err, payments) ->
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gems = _.reduce payments, ((sum, p) -> sum + p.get('gems')), 0
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purchased = _.clone(recipient.get('purchased'))
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purchased ?= {}
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purchased.gems = gems
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recipient.set('purchased', purchased)
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recipient.save (err) ->
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return res.send(500, '') if err
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return res.send(201, '')
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handleSubscriptionDeleted = (req, res) ->
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# Three variants:
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# normal - Personal subscription deleted
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# recipeint - Subscription sponsored by another user is being deleted.
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# sponsor - Aggregate subscription used to pay for multiple recipient subscriptions. Ugh.
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subscription = req.body.data.object
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checkNormalSubscription = (done) ->
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User.findOne {'stripe.subscriptionID': subscription.id}, (err, user) ->
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return done() unless user
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stripeInfo = _.cloneDeep(user.get('stripe') ? {})
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delete stripeInfo.planID
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delete stripeInfo.prepaidCode
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delete stripeInfo.subscriptionID
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user.set('stripe', stripeInfo)
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user.save (err) =>
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return res.send(500, '') if err
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return res.send(200, '')
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checkRecipientSubscription = (done) ->
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return done() unless subscription.plan.id is 'basic'
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User.findById subscription.metadata.id, (err, recipient) =>
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return res.send(500, '') if err
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return res.send(500, '') unless recipient
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User.findById recipient.get('stripe').sponsorID, (err, sponsor) =>
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return res.send(500, '') if err
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return res.send(500, '') unless sponsor
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# Update sponsor subscription
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stripeInfo = _.cloneDeep(sponsor.get('stripe') ? {})
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_.remove(stripeInfo.recipients, (s) -> s.userID is recipient.id)
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options =
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quantity: utils.getSponsoredSubsAmount(subscription.plan.amount, stripeInfo.recipients.length, stripeInfo.subscriptionID?)
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stripe.customers.updateSubscription stripeInfo.customerID, stripeInfo.sponsorSubscriptionID, options, (err, subscription) =>
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return res.send(500, '') if err
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# Update sponsor user
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sponsor.set 'stripe', stripeInfo
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sponsor.save (err) =>
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return res.send(500, '') if err
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# Update recipient user
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stripeInfo = recipient.get('stripe')
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delete stripeInfo.sponsorID
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if _.isEmpty stripeInfo
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recipient.set 'stripe', undefined
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else
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recipient.set 'stripe', stripeInfo
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recipient.save (err) =>
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return res.send(500, '') if err
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return res.send(200, '')
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checkSponsorSubscription = (done) ->
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return done() unless subscription.plan.id is 'incremental'
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customerID = subscription.customer
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createUpdateFn = (sub) ->
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(callback) ->
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# Cancel Stripe recipient subscription
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stripe.customers.cancelSubscription customerID, sub.subscriptionID, { at_period_end: true }, (err) ->
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callback err
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User.findById subscription.metadata.id, (err, sponsor) =>
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return res.send(500, '') if err
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stripeInfo = _.cloneDeep(sponsor.get('stripe') ? {})
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# Cancel all recipient subscriptions
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async.parallel (createUpdateFn(sub) for sub in stripeInfo.recipients), (err, results) =>
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return res.send(500, '') if err
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# Update sponsor user
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delete stripeInfo.sponsorSubscriptionID
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delete stripeInfo.recipients # Loses remaining credit on a re-subscribe for previous user
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if _.isEmpty stripeInfo
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sponsor.set 'stripe', undefined
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else
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sponsor.set 'stripe', stripeInfo
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sponsor.save (err) =>
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return res.send(500, '') if err
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done()
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# TODO: use async.series for this
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checkNormalSubscription ->
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checkRecipientSubscription ->
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checkSponsorSubscription ->
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res.send(200, '')
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