Ghost/ghost/members-api/lib/controllers/router.js
Rishabh 6f2066517b Allowed comped members to go through checkout flow
refs https://github.com/TryGhost/Team/issues/1728

- allows comped members to go through the stripe checkout flow and become a paid member
2022-08-19 20:55:31 +05:30

425 lines
14 KiB
JavaScript

const tpl = require('@tryghost/tpl');
const logging = require('@tryghost/logging');
const _ = require('lodash');
const {BadRequestError, NoPermissionError, NotFoundError, UnauthorizedError} = require('@tryghost/errors');
const messages = {
badRequest: 'Bad Request.',
notFound: 'Not Found.',
offerArchived: 'This offer is archived.',
tierArchived: 'This tier is archived.',
existingSubscription: 'A subscription exists for this Member.',
unableToCheckout: 'Unable to initiate checkout session'
};
module.exports = class RouterController {
/**
* RouterController
*
* @param {object} deps
* @param {any} deps.offersAPI
* @param {any} deps.paymentsService
* @param {any} deps.productRepository
* @param {any} deps.memberRepository
* @param {any} deps.StripePrice
* @param {() => boolean} deps.allowSelfSignup
* @param {any} deps.magicLinkService
* @param {import('@tryghost/members-stripe-service')} deps.stripeAPIService
* @param {import('@tryghost/member-attribution')} deps.memberAttributionService
* @param {any} deps.tokenService
* @param {{isSet(name: string): boolean}} deps.labsService
*/
constructor({
offersAPI,
paymentsService,
productRepository,
memberRepository,
StripePrice,
allowSelfSignup,
magicLinkService,
stripeAPIService,
tokenService,
memberAttributionService,
sendEmailWithMagicLink,
labsService
}) {
this._offersAPI = offersAPI;
this._paymentsService = paymentsService;
this._productRepository = productRepository;
this._memberRepository = memberRepository;
this._StripePrice = StripePrice;
this._allowSelfSignup = allowSelfSignup;
this._magicLinkService = magicLinkService;
this._stripeAPIService = stripeAPIService;
this._tokenService = tokenService;
this._sendEmailWithMagicLink = sendEmailWithMagicLink;
this._memberAttributionService = memberAttributionService;
this.labsService = labsService;
}
async ensureStripe(_req, res, next) {
if (!this._stripeAPIService.configured) {
res.writeHead(400);
return res.end('Stripe not configured');
}
try {
await this._stripeAPIService.ready();
next();
} catch (err) {
res.writeHead(500);
return res.end('There was an error configuring stripe');
}
}
async createCheckoutSetupSession(req, res) {
const identity = req.body.identity;
if (!identity) {
res.writeHead(400);
return res.end();
}
let email;
try {
if (!identity) {
email = null;
} else {
const claims = await this._tokenService.decodeToken(identity);
email = claims && claims.sub;
}
} catch (err) {
res.writeHead(401);
return res.end('Unauthorized');
}
const member = email ? await this._memberRepository.get({email}) : null;
if (!member) {
res.writeHead(403);
return res.end('Bad Request.');
}
let customer;
if (!req.body.subscription_id) {
customer = await this._stripeAPIService.getCustomerForMemberCheckoutSession(member);
} else {
const subscriptions = await member.related('stripeSubscriptions').fetch();
const subscription = subscriptions.models.find((sub) => {
return sub.get('subscription_id') === req.body.subscription_id;
});
if (!subscription) {
res.writeHead(404);
res.end(`Could not find subscription ${req.body.subscription_id}`);
}
customer = await this._stripeAPIService.getCustomer(subscription.get('customer_id'));
}
const session = await this._stripeAPIService.createCheckoutSetupSession(customer, {
successUrl: req.body.successUrl,
cancelUrl: req.body.cancelUrl,
subscription_id: req.body.subscription_id
});
const publicKey = this._stripeAPIService.getPublicKey();
const sessionInfo = {
sessionId: session.id,
publicKey
};
res.writeHead(200, {
'Content-Type': 'application/json'
});
res.end(JSON.stringify(sessionInfo));
}
async createCheckoutSession(req, res) {
let ghostPriceId = req.body.priceId;
const tierId = req.body.tierId;
const cadence = req.body.cadence;
const identity = req.body.identity;
const offerId = req.body.offerId;
const metadata = req.body.metadata ?? {};
if (!ghostPriceId && !offerId && !tierId && !cadence) {
throw new BadRequestError({
message: tpl(messages.badRequest)
});
}
if (offerId && (ghostPriceId || (tierId && cadence))) {
throw new BadRequestError({
message: tpl(messages.badRequest)
});
}
if (ghostPriceId && tierId && cadence) {
throw new BadRequestError({
message: tpl(messages.badRequest)
});
}
if (tierId && !cadence) {
throw new BadRequestError({
message: tpl(messages.badRequest)
});
}
if (cadence && cadence !== 'month' && cadence !== 'year') {
throw new BadRequestError({
message: tpl(messages.badRequest)
});
}
let couponId = null;
let trialDays;
if (offerId) {
const offer = await this._offersAPI.getOffer({id: offerId});
const tier = (await this._productRepository.get(offer.tier)).toJSON();
if (offer.status === 'archived') {
throw new NoPermissionError({
message: tpl(messages.offerArchived)
});
}
if (offer.cadence === 'month') {
ghostPriceId = tier.monthly_price_id;
} else {
ghostPriceId = tier.yearly_price_id;
}
// Free trial offers don't have a stripe coupon
if (offer.type === 'trial') {
trialDays = offer.amount;
} else {
const coupon = await this._paymentsService.getCouponForOffer(offerId);
couponId = coupon.id;
}
metadata.offer = offer.id;
}
// Don't allow to set the source manually
delete metadata.attribution_id;
delete metadata.attribution_url;
delete metadata.attribution_type;
if (metadata.urlHistory) {
// The full attribution history doesn't fit in the Stripe metadata (can't store objects + limited to 50 keys and 500 chars values)
// So we need to add top-level attributes with string values
const urlHistory = metadata.urlHistory;
delete metadata.urlHistory;
const attribution = this._memberAttributionService.getAttribution(urlHistory);
// Don't set null properties
if (attribution.id) {
metadata.attribution_id = attribution.id;
}
if (attribution.url) {
metadata.attribution_url = attribution.url;
}
if (attribution.type) {
metadata.attribution_type = attribution.type;
}
}
if (!ghostPriceId) {
const tier = await this._productRepository.get({id: tierId});
if (tier) {
if (cadence === 'month') {
ghostPriceId = tier.get('monthly_price_id');
} else {
ghostPriceId = tier.get('yearly_price_id');
}
}
}
const price = await this._StripePrice.findOne({
id: ghostPriceId
});
if (!price) {
throw new NotFoundError({
message: tpl(messages.notFound)
});
}
const priceId = price.get('stripe_price_id');
const product = await this._productRepository.get({stripe_price_id: priceId});
if (this.labsService.isSet('freeTrial') && !trialDays) {
trialDays = product.get('trial_days');
}
if (product.get('active') !== true) {
throw new NoPermissionError({
message: tpl(messages.tierArchived)
});
}
let member = null;
if (identity) {
try {
const claims = await this._tokenService.decodeToken(identity);
const email = claims && claims.sub;
if (email) {
member = await this._memberRepository.get({email}, {withRelated: ['stripeCustomers', 'products']});
}
} catch (err) {
throw new UnauthorizedError({err});
}
} else if (req.body.customerEmail) {
member = await this._memberRepository.get({email: req.body.customerEmail}, {withRelated: ['stripeCustomers', 'products']});
}
let successUrl = req.body.successUrl;
let cancelUrl = req.body.cancelUrl;
if (!member && req.body.customerEmail && !req.body.successUrl) {
const memberExistsForCustomer = await this._memberRepository.get({email: req.body.customerEmail});
if (!memberExistsForCustomer) {
successUrl = await this._magicLinkService.getMagicLink({
tokenData: {
email: req.body.customerEmail,
attribution: {
id: metadata.attribution_id ?? null,
type: metadata.attribution_type ?? null,
url: metadata.attribution_url ?? null
}
},
type: 'signup'
});
}
}
if (!member) {
const customer = null;
const session = await this._stripeAPIService.createCheckoutSession(priceId, customer, {
coupon: couponId,
successUrl,
cancelUrl,
trialDays,
customerEmail: req.body.customerEmail,
metadata: metadata
});
const publicKey = this._stripeAPIService.getPublicKey();
const sessionInfo = {
publicKey,
sessionId: session.id
};
res.writeHead(200, {
'Content-Type': 'application/json'
});
return res.end(JSON.stringify(sessionInfo));
}
let restrictCheckout = false;
if (!this.labsService.isSet('compExpiring')) {
restrictCheckout = member.related('products').length !== 0;
} else {
restrictCheckout = member.get('status') === 'paid';
}
if (restrictCheckout) {
if (!identity && req.body.customerEmail) {
try {
await this._sendEmailWithMagicLink({email: req.body.customerEmail, requestedType: 'signin'});
} catch (err) {
logging.warn(err);
}
}
throw new NoPermissionError({
message: messages.existingSubscription,
code: 'CANNOT_CHECKOUT_WITH_EXISTING_SUBSCRIPTION'
});
}
let stripeCustomer;
for (const customer of member.related('stripeCustomers').models) {
try {
const fetchedCustomer = await this._stripeAPIService.getCustomer(customer.get('customer_id'));
if (!fetchedCustomer.deleted) {
stripeCustomer = fetchedCustomer;
break;
}
} catch (err) {
logging.info('Ignoring error for fetching customer for checkout');
}
}
if (!stripeCustomer) {
stripeCustomer = await this._stripeAPIService.createCustomer({email: member.get('email')});
}
try {
const session = await this._stripeAPIService.createCheckoutSession(priceId, stripeCustomer, {
coupon: couponId,
successUrl,
cancelUrl,
trialDays,
metadata: metadata
});
const publicKey = this._stripeAPIService.getPublicKey();
const sessionInfo = {
publicKey,
sessionId: session.id
};
res.writeHead(200, {
'Content-Type': 'application/json'
});
return res.end(JSON.stringify(sessionInfo));
} catch (err) {
throw new BadRequestError({
err,
message: tpl(messages.unableToCheckout)
});
}
}
async sendMagicLink(req, res) {
const {email, emailType} = req.body;
if (!email) {
res.writeHead(400);
return res.end('Bad Request.');
}
try {
if (!this._allowSelfSignup()) {
const member = await this._memberRepository.get({email});
if (member) {
const tokenData = {};
await this._sendEmailWithMagicLink({email, tokenData, requestedType: emailType, referrer: req.get('referer')});
}
} else {
const tokenData = _.pick(req.body, ['labels', 'name', 'newsletters']);
// Save attribution data in the tokenData
tokenData.attribution = this._memberAttributionService.getAttribution(req.body.urlHistory);
await this._sendEmailWithMagicLink({email, tokenData, requestedType: emailType, referrer: req.get('referer')});
}
res.writeHead(201);
return res.end('Created.');
} catch (err) {
if (err.code === 'EENVELOPE') {
logging.error(err);
res.writeHead(400);
return res.end('Bad Request.');
}
const statusCode = (err && err.statusCode) || 500;
logging.error(err);
res.writeHead(statusCode);
return res.end('Internal Server Error.');
}
}
};