# Not paired with a document in the DB, just handles coordinating between # the stripe property in the user with what's being stored in Stripe. async = require 'async' config = require '../../server_config' Handler = require '../commons/Handler' discountHandler = require './discount_handler' Prepaid = require '../prepaids/Prepaid' User = require '../users/User' {findStripeSubscription} = require '../lib/utils' {getSponsoredSubsAmount} = require '../../app/core/utils' recipientCouponID = 'free' subscriptions = { basic: { gems: 3500 amount: 999 # For calculating incremental quantity before sub creation } } class SubscriptionHandler extends Handler logSubscriptionError: (user, msg) -> console.warn "Subscription Error: #{user.get('slug')} (#{user._id}): '#{msg}'" getByRelationship: (req, res, args...) -> return @getSubscriptions(req, res) if args[1] is 'subscriptions' super(arguments...) getSubscriptions: (req, res) -> # Returns a list of active subscriptions # TODO: does not handle customers with 11+ active subscriptions # TODO: does not track sponsored subs, only basic # TODO: does not return free subs # TODO: add tests # TODO: aggregate this data daily instead of providing it on demand # TODO: take date range as input return @sendForbiddenError(res) unless req.user and req.user.isAdmin() # @subs ?= [] # return @sendSuccess(res, @subs) unless _.isEmpty(@subs) @subs = [] customersProcessed = 0 nextBatch = (starting_after, done) => options = limit: 100 options.starting_after = starting_after if starting_after stripe.customers.list options, (err, customers) => return done(err) if err customersProcessed += customers.data.length for customer in customers.data continue unless customer?.subscriptions?.data?.length > 0 for subscription in customer.subscriptions.data continue unless subscription.plan.id is 'basic' amount = subscription.plan.amount if subscription?.discount?.coupon? if subscription.discount.coupon.percent_off amount = amount * (100 - subscription.discount.coupon.percent_off) / 100; else if subscription.discount.coupon.amount_off amount -= subscription.discount.coupon.amount_off else if customer.discount?.coupon? if customer.discount.coupon.percent_off amount = amount * (100 - customer.discount.coupon.percent_off) / 100 else if customer.discount.coupon.amount_off amount -= customer.discount.coupon.amount_off continue unless amount > 0 sub = start: new Date(subscription.start * 1000) if subscription.cancel_at_period_end sub.cancel = new Date(subscription.canceled_at * 1000) sub.end = new Date(sub.current_period_end * 1000) @subs.push(sub) # Can't fetch all the test Stripe data if customers.has_more and (config.isProduction or customersProcessed < 500) return nextBatch(customers.data[customers.data.length - 1].id, done) else return done() nextBatch null, (err) => return @sendDatabaseError(res, err) if err @sendSuccess(res, @subs) subscribeUser: (req, user, done) -> if (not req.user) or req.user.isAnonymous() or user.isAnonymous() return done({res: 'You must be signed in to subscribe.', code: 403}) token = req.body.stripe.token prepaidCode = req.body.stripe.prepaidCode customerID = user.get('stripe')?.customerID if not (token or customerID or prepaidCode) @logSubscriptionError(user, 'Missing Stripe token or customer ID or prepaid code') return done({res: 'Missing Stripe token or customer ID or prepaid code', code: 422}) # Get Stripe customer if customerID if token stripe.customers.update customerID, { card: token }, (err, customer) => if err or not customer # should not happen outside of test and production polluting each other @logSubscriptionError(user, 'Cannot find customer: ' + customerID + '\n\n' + err) return done({res: 'Cannot find customer.', code: 404}) @checkForCoupon(req, user, customer, done) else stripe.customers.retrieve customerID, (err, customer) => if err @logSubscriptionError(user, 'Stripe customer retrieve error. ' + err) return done({res: 'Database error.', code: 500}) @checkForCoupon(req, user, customer, done) else options = email: user.get('email') metadata: { id: user._id + '', slug: user.get('slug') } options.card = token if token? stripe.customers.create options, (err, customer) => if err if err.type in ['StripeCardError', 'StripeInvalidRequestError'] return done({res: 'Card error', code: 402}) else @logSubscriptionError(user, 'Stripe customer creation error. ' + err) return done({res: 'Database error.', code: 500}) stripeInfo = _.cloneDeep(user.get('stripe') ? {}) stripeInfo.customerID = customer.id user.set('stripe', stripeInfo) user.save (err) => if err @logSubscriptionError(user, 'Stripe customer id save db error. ' + err) return done({res: 'Database error.', code: 500}) @checkForCoupon(req, user, customer, done) checkForCoupon: (req, user, customer, done) -> # Check if user is subscribing someone else if req.body.stripe?.subscribeEmails? return @updateStripeRecipientSubscriptions req, user, customer, done if user.get('stripe')?.sponsorID return done({res: 'You already have a sponsored subscription.', code: 403}) if req.body?.stripe?.prepaidCode Prepaid.findOne code: req.body.stripe.prepaidCode, (err, prepaid) => if err @logSubscriptionError(user, 'Prepaid lookup error. ' + err) return done({res: 'Database error.', code: 500}) return done({res: 'Prepaid not found', code: 404}) unless prepaid? return done({res: 'Prepaid not for subscription', code: 403}) unless prepaid.get('type') is 'subscription' return done({res: 'Prepaid has already been used', code: 403}) unless prepaid.get('status') is 'active' return done({res: 'Database error.', code: 500}) unless prepaid.get('properties')?.couponID couponID = prepaid.get('properties').couponID # Update user stripeInfo = _.cloneDeep(user.get('stripe') ? {}) stripeInfo.couponID = couponID stripeInfo.prepaidCode = req.body.stripe.prepaidCode user.set('stripe', stripeInfo) @checkForExistingSubscription(req, user, customer, couponID, done) else couponID = user.get('stripe')?.couponID # SALE LOGIC # overwrite couponID with another for everyone-sales #couponID = 'hoc_399' if not couponID @checkForExistingSubscription(req, user, customer, couponID, done) checkForExistingSubscription: (req, user, customer, couponID, done) -> findStripeSubscription customer.id, subscriptionID: user.get('stripe')?.subscriptionID, (subscription) => if subscription if subscription.cancel_at_period_end # Things are a little tricky here. Can't re-enable a cancelled subscription, # so it needs to be deleted, but also don't want to charge for the new subscription immediately. # So delete the cancelled subscription (no at_period_end given here) and give the new # subscription a trial period that ends when the cancelled subscription would have ended. stripe.customers.cancelSubscription subscription.customer, subscription.id, (err) => if err @logSubscriptionError(user, 'Stripe cancel subscription error. ' + err) return done({res: 'Database error.', code: 500}) options = { plan: 'basic', metadata: {id: user.id}, trial_end: subscription.current_period_end } options.coupon = couponID if couponID stripe.customers.createSubscription customer.id, options, (err, subscription) => if err @logSubscriptionError(user, 'Stripe customer plan setting error. ' + err) return done({res: 'Database error.', code: 500}) @updateUser(req, user, customer, subscription, false, done) else if couponID # Update subscription with given couponID stripe.customers.updateSubscription customer.id, subscription.id, coupon: couponID, (err, subscription) => if err @logSubscriptionError(user, 'Stripe update subscription coupon error. ' + err) return done({res: 'Database error.', code: 500}) @updateUser(req, user, customer, subscription, false, done) else # Skip creating the subscription @updateUser(req, user, customer, subscription, false, done) else options = { plan: 'basic', metadata: {id: user.id}} options.coupon = couponID if couponID stripe.customers.createSubscription customer.id, options, (err, subscription) => if err @logSubscriptionError(user, 'Stripe customer plan setting error. ' + err) return done({res: 'Database error.', code: 500}) @updateUser(req, user, customer, subscription, true, done) updateUser: (req, user, customer, subscription, increment, done) -> stripeInfo = _.cloneDeep(user.get('stripe') ? {}) stripeInfo.planID = 'basic' stripeInfo.subscriptionID = subscription.id stripeInfo.customerID = customer.id # To make sure things work for admins, who are mad with power # And, so Handler.saveChangesToDocument doesn't undo all our saves here req.body.stripe = stripeInfo user.set('stripe', stripeInfo) if increment purchased = _.clone(user.get('purchased')) purchased ?= {} purchased.gems ?= 0 purchased.gems += subscriptions.basic.gems # TODO: Put actual subscription amount here user.set('purchased', purchased) user.save (err) => if err @logSubscriptionError(user, 'Stripe user plan saving error. ' + err) return done({res: 'Database error.', code: 500}) if stripeInfo.prepaidCode? # Update prepaid to 'used' Prepaid.findOne code: stripeInfo.prepaidCode, (err, prepaid) => if err @logSubscriptionError(user, 'Prepaid find error. ' + err) return done({res: 'Database error.', code: 500}) unless prepaid? @logSubscriptionError(user, "Expected prepaid not found: #{stripeInfo.prepaidCode}") return done({res: 'Database error.', code: 500}) prepaid.set('status', 'used') prepaid.set('redeemer', user.get('_id')) prepaid.save (err) => if err @logSubscriptionError(user, 'Prepaid update error. ' + err) return done({res: 'Database error.', code: 500}) done() else done() updateStripeRecipientSubscriptions: (req, user, customer, done) -> return done({res: 'Database error.', code: 500}) unless req.body.stripe?.subscribeEmails? emails = req.body.stripe.subscribeEmails.map((email) -> email.trim().toLowerCase() unless _.isEmpty(email)) _.remove(emails, (email) -> _.isEmpty(email)) User.find {emailLower: {$in: emails}}, (err, recipients) => if err @logSubscriptionError(user, "User lookup error. " + err) return done({res: 'Database error.', code: 500}) createUpdateFn = (recipient) => (done) => # Find existing recipient subscription findStripeSubscription customer.id, userID: recipient.id, (subscription) => if subscription if subscription.cancel_at_period_end # Things are a little tricky here. Can't re-enable a cancelled subscription, # so it needs to be deleted, but also don't want to charge for the new subscription immediately. # So delete the cancelled subscription (no at_period_end given here) and give the new # subscription a trial period that ends when the cancelled subscription would have ended. stripe.customers.cancelSubscription subscription.customer, subscription.id, (err) => if err @logSubscriptionError(user, 'Stripe cancel subscription error. ' + err) return done({res: 'Database error.', code: 500}) options = plan: 'basic' coupon: recipientCouponID metadata: {id: recipient.id} trial_end: subscription.current_period_end stripe.customers.createSubscription customer.id, options, (err, subscription) => if err @logSubscriptionError(user, 'Stripe new subscription error. ' + err) return done({res: 'Database error.', code: 500}) done(null, recipient: recipient, subscription: subscription, increment: false) else # Can skip creating the subscription done(null, recipient: recipient, subscription: subscription, increment: false) else options = plan: 'basic' coupon: recipientCouponID metadata: {id: recipient.id} stripe.customers.createSubscription customer.id, options, (err, subscription) => if err @logSubscriptionError(user, 'Stripe new subscription error. ' + err) return done({res: 'Database error.', code: 500}) done(null, recipient: recipient, subscription: subscription, increment: true) tasks = [] for recipient in recipients continue if recipient.id is user.id continue if recipient.get('stripe')?.subscriptionID? continue if recipient.get('stripe')?.sponsorID? and recipient.get('stripe')?.sponsorID isnt user.id tasks.push createUpdateFn(recipient) # NOTE: async.parellel yields this error: # Subscription Error: user23 (54fe3c8fea98978efa469f3b): 'Stripe new subscription error. Error: Request rate limit exceeded' async.series tasks, (err, results) => return done(err) if err @updateCocoRecipientSubscriptions(req, user, customer, results, done) updateCocoRecipientSubscriptions: (req, user, customer, stripeRecipients, done) -> # Update recipients list stripeInfo = _.cloneDeep(user.get('stripe') ? {}) stripeInfo.recipients ?= [] stripeRecipientIDs = (sub.recipient.id for sub in stripeRecipients) _.remove(stripeInfo.recipients, (s) -> s.userID in stripeRecipientIDs) for sub in stripeRecipients stripeInfo.recipients.push userID: sub.recipient.id subscriptionID: sub.subscription.id couponID: recipientCouponID # TODO: how does token get removed for personal subs? delete stripeInfo.subscribeEmails delete stripeInfo.token req.body.stripe = stripeInfo user.set('stripe', stripeInfo) user.save (err) => if err @logSubscriptionError(user, 'User saving stripe error. ' + err) return done({res: 'Database error.', code: 500}) createUpdateFn = (recipient, increment) => (done) => # Update recipient stripeInfo = _.cloneDeep(recipient.get('stripe') ? {}) stripeInfo.sponsorID = user.id recipient.set 'stripe', stripeInfo if increment purchased = _.clone(recipient.get('purchased')) purchased ?= {} purchased.gems ?= 0 purchased.gems += subscriptions.basic.gems recipient.set('purchased', purchased) recipient.save (err) => if err @logSubscriptionError(user, 'Stripe user saving stripe error. ' + err) return done({res: 'Database error.', code: 500}) done() tasks = [] for sub in stripeRecipients tasks.push createUpdateFn(sub.recipient, sub.increment) async.parallel tasks, (err, results) => return done(err) if err @updateStripeSponsorSubscription(req, user, customer, done) updateStripeSponsorSubscription: (req, user, customer, done) -> stripeInfo = user.get('stripe') ? {} numSponsored = stripeInfo.recipients.length quantity = getSponsoredSubsAmount(subscriptions.basic.amount, numSponsored, stripeInfo.subscriptionID?) findStripeSubscription customer.id, subscriptionID: stripeInfo.sponsorSubscriptionID, (subscription) => if stripeInfo.sponsorSubscriptionID? and not subscription? @logSubscriptionError(user, "Internal sponsor subscription #{stripeInfo.sponsorSubscriptionID} not found on Stripe customer #{customer.id}") return done({res: 'Database error.', code: 500}) if subscription return done() if quantity is subscription.quantity # E.g. cancelled sub has been resubbed options = quantity: quantity stripe.customers.updateSubscription customer.id, stripeInfo.sponsorSubscriptionID, options, (err, subscription) => if err @logSubscriptionError(user, 'Stripe updating subscription quantity error. ' + err) return done({res: 'Database error.', code: 500}) # Invoice proration immediately stripe.invoices.create customer: customer.id, (err, invoice) => if err @logSubscriptionError(user, 'Stripe proration invoice error. ' + err) return done({res: 'Database error.', code: 500}) done() else options = plan: 'incremental' metadata: {id: user.id} quantity: quantity stripe.customers.createSubscription customer.id, options, (err, subscription) => if err @logSubscriptionError(user, 'Stripe new subscription error. ' + err) return done({res: 'Database error.', code: 500}) @updateCocoSponsorSubscription(req, user, subscription, done) updateCocoSponsorSubscription: (req, user, subscription, done) -> stripeInfo = _.cloneDeep(user.get('stripe') ? {}) stripeInfo.sponsorSubscriptionID = subscription.id req.body.stripe = stripeInfo user.set('stripe', stripeInfo) user.save (err) => if err @logSubscriptionError(user, 'Saving user stripe error. ' + err) return done({res: 'Database error.', code: 500}) done() unsubscribeUser: (req, user, done) -> # Check if user is subscribing someone else return @unsubscribeRecipient(req, user, done) if req.body.stripe?.unsubscribeEmail? stripeInfo = _.cloneDeep(user.get('stripe') ? {}) stripe.customers.cancelSubscription stripeInfo.customerID, stripeInfo.subscriptionID, { at_period_end: true }, (err) => if err @logSubscriptionError(user, 'Stripe cancel subscription error. ' + err) return done({res: 'Database error.', code: 500}) delete stripeInfo.planID user.set('stripe', stripeInfo) req.body.stripe = stripeInfo user.save (err) => if err @logSubscriptionError(user, 'User save unsubscribe error. ' + err) return done({res: 'Database error.', code: 500}) done() unsubscribeRecipient: (req, user, done) -> return done({res: 'Database error.', code: 500}) unless req.body.stripe?.unsubscribeEmail? email = req.body.stripe.unsubscribeEmail.trim().toLowerCase() return done({res: 'Database error.', code: 500}) if _.isEmpty(email) User.findOne {emailLower: email}, (err, recipient) => if err @logSubscriptionError(user, "User lookup error. " + err) return done({res: 'Database error.', code: 500}) unless recipient @logSubscriptionError(user, "Recipient #{req.body.stripe.recipient} not found. " + err) return done({res: 'Database error.', code: 500}) # Check recipient is currently sponsored stripeRecipient = recipient.get 'stripe' ? {} if stripeRecipient.sponsorID isnt user.id @logSubscriptionError(user, "Recipient #{req.body.stripe.recipient} not found. " + err) return done({res: 'Can only unsubscribe sponsored subscriptions.', code: 403}) # Find recipient subscription stripeInfo = _.cloneDeep(user.get('stripe') ? {}) for sponsored in stripeInfo.recipients if sponsored.userID is recipient.id sponsoredEntry = sponsored break unless sponsoredEntry? @logSubscriptionError(user, 'Unable to find sponsored subscription. ' + err) return done({res: 'Database error.', code: 500}) # Cancel Stripe subscription stripe.customers.cancelSubscription stripeInfo.customerID, sponsoredEntry.subscriptionID, { at_period_end: true }, (err) => if err or not recipient @logSubscriptionError(user, "Stripe cancel sponsored subscription failed. " + err) return done({res: 'Database error.', code: 500}) delete stripeInfo.unsubscribeEmail user.set('stripe', stripeInfo) req.body.stripe = stripeInfo user.save (err) => if err @logSubscriptionError(user, 'User save unsubscribe error. ' + err) return done({res: 'Database error.', code: 500}) done() module.exports = new SubscriptionHandler()