Payment.java

gistfile1.txt

public String createSubscription(SubscriptionType subscriptionType, AuthenticatedUser user) {
        OrganizationUser organizationUser = organizationUserRepository.getById(user.getOrganizationUserId());

        if (!organizationUser.isOwner()) {
            throw new AccessDeniedProblem("This user not allowed to set up subscription! Just organization owner allowed to do that.");
        }

        String stripeCustomerId = organizationUser.getStripeCustomerId();
        if (stripeCustomerId == null) {
            stripeCustomerId = createCustomer(organizationUser.getUser());
            organizationUser.setStripeCustomerId(stripeCustomerId);
        }

        PriceListParams priceParams = PriceListParams.builder()
                .setProduct(stripeProperties.getProductId(subscriptionType))
                .setActive(true)
                .build();
        PriceCollection prices = Price.list(priceParams);
        Price price = prices.getData().get(0);

        // Create the subscription. Note we're expanding the Subscription's
        // latest invoice and that invoice's payment_intent
        // so we can pass it to the front end to confirm the payment
        SubscriptionCreateParams subCreateParams = SubscriptionCreateParams
                .builder()
                .setCustomer(stripeCustomerId)
                .addItem(
                        SubscriptionCreateParams
                                .Item.builder()
                                .setQuantity(1L)
                                .setPrice(price.getId())
                                .build()
                )
                .setPaymentBehavior(SubscriptionCreateParams.PaymentBehavior.DEFAULT_INCOMPLETE)
                .addAllExpand(List.of("latest_invoice.payment_intent"))
                .build();

        Subscription subscription = Subscription.create(subCreateParams);

//        Map<String, Object> responseData = new HashMap<>();
//        responseData.put("subscriptionId", subscription.getId());
        return subscription.getLatestInvoiceObject().getPaymentIntentObject().getClientSecret();
    }

    private String createCustomer(User user) {
        CustomerCreateParams params =
                CustomerCreateParams
                        .builder()
                        .setEmail(user.getEmail())
                        .setName(user.getFullName())
                        .build();

        Customer customer = null;
        try {
            customer = Customer.create(params);
        } catch (StripeException e) {
            throw new RuntimeException("Cannot create Stripe user! ", e);
        }
        return customer.getId();
    }

There is also no PaymentIntent object