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Wired up Payments service to new Tiers package
refs https://github.com/TryGhost/Team/issues/2078 This adds handling to the Tier events to create Stripe Products & Prices when Tiers are created and have their pricing changed. We also update the Stripe Product names when the Tier name is edited. We also add a method to generate a payment URL which will replace our current implementation of creating a Stripe Checkout Session
This commit is contained in:
Fabien "egg" O'Carroll
parent
253c30c37a
commit
6e862b42e7
@ -158,6 +158,9 @@ module.exports = function MembersAPI({
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});
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const paymentsService = new PaymentsService({
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StripeProduct,
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StripePrice,
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StripeCustomer,
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Offer,
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offersAPI,
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stripeAPIService
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@ -1,5 +1,7 @@
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const DomainEvents = require('@tryghost/domain-events');
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const {TierCreatedEvent, TierPriceChangeEvent, TierNameChangeEvent} = require('@tryghost/tiers');
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const OfferCreatedEvent = require('@tryghost/members-offers').events.OfferCreatedEvent;
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const {BadRequestError} = require('@tryghost/errors');
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class PaymentsService {
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/**
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@ -12,6 +14,12 @@ class PaymentsService {
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/** @private */
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this.OfferModel = deps.Offer;
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/** @private */
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this.StripeProductModel = deps.StripeProduct;
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/** @private */
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this.StripePriceModel = deps.StripePrice;
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/** @private */
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this.StripeCustomerModel = deps.StripeCustomer;
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/** @private */
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this.offersAPI = deps.offersAPI;
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/** @private */
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this.stripeAPIService = deps.stripeAPIService;
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@ -19,6 +27,224 @@ class PaymentsService {
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DomainEvents.subscribe(OfferCreatedEvent, async (event) => {
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await this.getCouponForOffer(event.data.offer.id);
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});
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DomainEvents.subscribe(TierCreatedEvent, async (event) => {
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if (event.data.tier.type === 'paid') {
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await this.getPriceForTierCadence(event.data.tier, 'month');
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await this.getPriceForTierCadence(event.data.tier, 'year');
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}
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});
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DomainEvents.subscribe(TierPriceChangeEvent, async (event) => {
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if (event.data.tier.type === 'paid') {
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await this.getPriceForTierCadence(event.data.tier, 'month');
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await this.getPriceForTierCadence(event.data.tier, 'year');
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}
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});
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DomainEvents.subscribe(TierNameChangeEvent, async (event) => {
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if (event.data.tier.type === 'paid') {
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await this.updateNameForTierProducts(event.data.tier);
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}
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});
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}
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/**
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* @param {object} params
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* @param {Tier} params.tier
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* @param {Tier.Cadence} params.cadence
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* @param {Offer} [params.offer]
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* @param {Member} [params.member]
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* @param {Object.<string, any>} [params.metadata]
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* @param {object} params.options
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* @param {string} params.options.successUrl
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* @param {string} params.options.cancelUrl
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* @param {string} [params.options.email]
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*
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* @returns {Promise<URL>}
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*/
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async getPaymentLink({tier, cadence, offer, member, metadata, options}) {
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let coupon = null;
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let trialDays = null;
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if (offer) {
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if (offer.tier.id !== tier.id) {
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throw new BadRequestError({
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message: 'This Offer is not valid for the Tier'
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});
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}
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if (offer.type === 'trial') {
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trialDays = offer.amount;
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} else {
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coupon = await this.getCouponForOffer(offer.id);
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}
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}
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let customer = null;
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if (member) {
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customer = await this.getCustomerForMember(member);
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}
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const price = await this.getPriceForTierCadence(tier, cadence);
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const session = await this.stripeAPIService.createCheckoutSession(price.id, customer, {
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metadata,
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successUrl: options.successUrl,
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cancelUrl: options.cancelUrl,
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customerEmail: options.email,
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trialDays: trialDays ?? tier.trialDays,
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coupon: coupon?.id
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});
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return session.url;
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}
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async getCustomerForMember(member) {
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const rows = await this.StripeCustomerModel.where({
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member_id: member.id
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}).query().select('customer_id');
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for (const row of rows) {
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const customer = await this.stripeAPIService.getCustomer(row.customer_id);
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if (!customer.deleted) {
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return {
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id: customer.id
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};
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}
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}
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const customer = await this.createCustomerForMember(member);
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return customer;
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}
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async createCustomerForMember(member) {
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const customer = await this.stripeAPIService.createCustomer({
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email: member.email,
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name: member.name
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});
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await this.StripeCustomerModel.add({
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member_id: member.id,
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customer_id: customer.id,
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email: customer.email,
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name: customer.name
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});
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return customer;
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}
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/**
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* @param {import('@tryghost/tiers').Tier} tier
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* @returns {Promise<{id: string}>}
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*/
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async getProductForTier(tier) {
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const rows = await this.StripeProductModel
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.where({product_id: tier.id.toHexString()})
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.query()
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.select('stripe_product_id');
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for (const row of rows) {
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const product = await this.stripeAPIService.getProduct(row.stripe_product_id);
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if (product.active) {
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return {id: product.id};
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}
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}
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const product = await this.createProductForTier(tier);
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return {
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id: product.id
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};
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}
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/**
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* @param {import('@tryghost/tiers').Tier} tier
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* @returns {Promise<import('stripe').default.Product>}
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*/
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async createProductForTier(tier) {
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const product = await this.stripeAPIService.createProduct({name: tier.name});
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await this.StripeProductModel.add({
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product_id: tier.id.toHexString(),
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stripe_product_id: product.id
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});
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return product;
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}
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/**
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* @param {import('@tryghost/tiers').Tier} tier
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* @returns {Promise<void>}
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*/
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async updateNameForTierProducts(tier) {
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const rows = await this.StripeProductModel
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.where({product_id: tier.id.toHexString()})
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.query()
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.select('stripe_product_id');
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for (const row of rows) {
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await this.stripeAPIService.updateProduct(row.stripe_product_id, {
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name: tier.name
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});
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}
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}
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/**
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* @param {import('@tryghost/tiers').Tier} tier
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* @param {'month'|'year'} cadence
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* @returns {Promise<{id: string}>}
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*/
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async getPriceForTierCadence(tier, cadence) {
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const product = await this.getProductForTier(tier);
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const currency = tier.currency;
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const amount = tier.getPrice(cadence);
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const rows = await this.StripePriceModel.where({
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stripe_product_id: product.id,
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currency,
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amount
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}).query().select('stripe_price_id');
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for (const row of rows) {
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const price = await this.stripeAPIService.getPrice(row.stripe_price_id);
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if (price.active && price.currency.toUpperCase() === currency && price.unit_amount === amount) {
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return {
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id: price.id
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};
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}
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}
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const price = await this.createPriceForTierCadence(tier, cadence);
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return {
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id: price.id
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};
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}
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/**
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* @param {import('@tryghost/tiers').Tier} tier
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* @param {'month'|'year'} cadence
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* @returns {Promise<import('stripe').default.Price>}
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*/
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async createPriceForTierCadence(tier, cadence) {
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const product = await this.getProductForTier(tier);
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const price = await this.stripeAPIService.createPrice({
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product: product.id,
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interval: cadence,
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currency: tier.currency,
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amount: tier.getPrice(cadence),
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nickname: cadence === 'month' ? 'Monthly' : 'Yearly',
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type: 'recurring',
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active: true
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});
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await this.StripePriceModel.add({
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stripe_price_id: price.id,
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stripe_product_id: product.id,
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active: price.active,
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nickname: price.nickname,
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currency: price.currency,
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amount: price.unit_amount,
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type: 'recurring',
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interval: cadence
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});
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return price;
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}
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/**
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@ -23,6 +23,8 @@
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},
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"dependencies": {
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"@tryghost/domain-events": "0.0.0",
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"@tryghost/members-offers": "0.0.0"
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"@tryghost/errors": "1.2.18",
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"@tryghost/members-offers": "0.0.0",
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"@tryghost/tiers": "0.0.0"
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}
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}
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