FRE-5348: Fix P1 billing issues
- Add null check for subscription items in updateSubscription - Implement webhook handlers with Prisma DB persistence - cancelSubscription already correctly passes cancel_at_period_end All P1 issues validated and fixed. Ready for Security Review. Co-Authored-By: Paperclip <noreply@paperclip.ing>
This commit is contained in:
408
packages/api/src/routes/subscription.routes.ts
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408
packages/api/src/routes/subscription.routes.ts
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import { FastifyInstance } from 'fastify';
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import { BillingService } from '@shieldai/shared-billing/src/services/billing.service';
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import { SubscriptionService, customerService, webhookService } from '@shieldai/shared-billing/src/services/billing.services';
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import { SubscriptionTier } from '@shieldai/shared-billing/src/config/billing.config';
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import { AuthRequest } from './auth.middleware';
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const billingService = BillingService.getInstance();
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const subscriptionService = new SubscriptionService();
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export async function subscriptionRoutes(fastify: FastifyInstance) {
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// Get current user's subscription
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fastify.get(
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'/subscription',
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{
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preHandler: async (request, reply) => {
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await fastify.requireAuth(request as AuthRequest);
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},
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},
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async (request, reply) => {
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const authReq = request as AuthRequest;
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try {
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const subscription = await billingService.getUserSubscription(authReq.user!.id);
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if (!subscription) {
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return reply.status(404).send({
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error: 'No active subscription found',
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message: 'Please create a subscription to access premium features',
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});
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}
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return {
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subscription: {
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id: subscription.id,
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status: subscription.status,
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currentPeriodStart: new Date(subscription.current_period_start * 1000).toISOString(),
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currentPeriodEnd: new Date(subscription.current_period_end * 1000).toISOString(),
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cancelAtPeriodEnd: subscription.cancel_at_period_end,
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created: new Date(subscription.created * 1000).toISOString(),
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},
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customer: {
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id: subscription.customer as string,
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},
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};
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} catch (error) {
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reply.status(500).send({
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error: 'Failed to fetch subscription',
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message: error instanceof Error ? error.message : 'Unknown error',
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});
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}
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}
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);
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// Create a new subscription (for mobile app in-app purchases)
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fastify.post(
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'/subscription/create',
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{
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preHandler: async (request, reply) => {
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await fastify.requireAuth(request as AuthRequest);
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},
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},
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async (request, reply) => {
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const authReq = request as AuthRequest;
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const { tier, customerId } = request.body as { tier: SubscriptionTier; customerId: string };
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if (!authReq.user?.id) {
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return reply.status(401).send({ error: 'Authentication required' });
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}
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if (!tier || !customerId) {
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return reply.status(400).send({
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error: 'Missing required fields',
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required: ['tier', 'customerId'],
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});
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}
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try {
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const result = await billingService.createSubscription(
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authReq.user.id,
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tier,
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customerId
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);
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return {
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subscription: {
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id: result.subscription.id,
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status: result.subscription.status,
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currentPeriodStart: new Date(result.subscription.current_period_start * 1000).toISOString(),
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currentPeriodEnd: new Date(result.subscription.current_period_end * 1000).toISOString(),
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},
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customer: {
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id: result.customer.id,
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email: result.customer.email,
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},
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};
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} catch (error) {
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reply.status(500).send({
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error: 'Failed to create subscription',
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message: error instanceof Error ? error.message : 'Unknown error',
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});
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}
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}
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);
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// Update subscription tier
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fastify.put(
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'/subscription/:subscriptionId/tier',
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{
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preHandler: async (request, reply) => {
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await fastify.requireAuth(request as AuthRequest);
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},
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},
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async (request, reply) => {
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const authReq = request as AuthRequest;
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const { subscriptionId } = request.params as { subscriptionId: string };
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const { tier } = request.body as { tier: SubscriptionTier };
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if (!authReq.user?.id) {
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return reply.status(401).send({ error: 'Authentication required' });
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}
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if (!tier) {
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return reply.status(400).send({
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error: 'Missing required field',
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required: ['tier'],
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});
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}
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try {
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const updated = await billingService.updateSubscription(
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subscriptionId,
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authReq.user.id,
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tier
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);
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return {
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subscription: {
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id: updated.id,
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status: updated.status,
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currentPeriodStart: new Date(updated.current_period_start * 1000).toISOString(),
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currentPeriodEnd: new Date(updated.current_period_end * 1000).toISOString(),
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},
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message: 'Subscription updated successfully',
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};
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} catch (error) {
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reply.status(500).send({
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error: 'Failed to update subscription',
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message: error instanceof Error ? error.message : 'Unknown error',
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});
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}
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}
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);
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// Cancel subscription
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fastify.delete(
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'/subscription/:subscriptionId',
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{
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preHandler: async (request, reply) => {
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await fastify.requireAuth(request as AuthRequest);
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},
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},
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async (request, reply) => {
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const authReq = request as AuthRequest;
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const { subscriptionId } = request.params as { subscriptionId: string };
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const { cancelAtPeriodEnd } = request.body as { cancelAtPeriodEnd?: boolean };
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if (!authReq.user?.id) {
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return reply.status(401).send({ error: 'Authentication required' });
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}
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try {
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const cancelled = await billingService.cancelSubscription(
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subscriptionId,
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authReq.user.id,
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cancelAtPeriodEnd ?? true
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);
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return {
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subscription: {
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id: cancelled.id,
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status: cancelled.status,
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cancelAtPeriodEnd: cancelled.cancel_at_period_end,
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canceledAt: cancelled.canceled_at ? new Date(cancelled.canceled_at * 1000).toISOString() : null,
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},
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message: cancelAtPeriodEnd
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? 'Subscription will cancel at the end of the billing period'
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: 'Subscription cancelled immediately',
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};
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} catch (error) {
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reply.status(500).send({
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error: 'Failed to cancel subscription',
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message: error instanceof Error ? error.message : 'Unknown error',
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});
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}
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}
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);
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// Create customer portal session
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fastify.post(
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'/customer/portal',
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{
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preHandler: async (request, reply) => {
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await fastify.requireAuth(request as AuthRequest);
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},
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},
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async (request, reply) => {
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const authReq = request as AuthRequest;
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const { customerId, returnUrl } = request.body as { customerId: string; returnUrl: string };
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if (!authReq.user?.id) {
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return reply.status(401).send({ error: 'Authentication required' });
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}
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if (!customerId || !returnUrl) {
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return reply.status(400).send({
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error: 'Missing required fields',
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required: ['customerId', 'returnUrl'],
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});
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}
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try {
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const portalSession = await billingService.createCustomerPortalSession(
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customerId,
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returnUrl
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);
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return {
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url: portalSession.url,
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expiresAt: new Date(portalSession.expires_at * 1000).toISOString(),
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};
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} catch (error) {
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reply.status(500).send({
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error: 'Failed to create portal session',
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message: error instanceof Error ? error.message : 'Unknown error',
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});
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}
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}
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);
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// Create customer
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fastify.post(
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'/customer',
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{
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preHandler: async (request, reply) => {
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await fastify.requireAuth(request as AuthRequest);
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},
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},
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async (request, reply) => {
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const authReq = request as AuthRequest;
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const { email, name } = request.body as { email: string; name?: string };
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if (!authReq.user?.id) {
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return reply.status(401).send({ error: 'Authentication required' });
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}
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if (!email) {
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return reply.status(400).send({
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error: 'Email is required',
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});
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}
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try {
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const customer = await billingService.createCustomer(email, authReq.user.id);
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return {
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customer: {
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id: customer.id,
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email: customer.email,
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name: customer.name,
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metadata: customer.metadata,
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},
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};
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} catch (error) {
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reply.status(500).send({
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error: 'Failed to create customer',
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message: error instanceof Error ? error.message : 'Unknown error',
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});
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}
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}
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);
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// Get user tier
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fastify.get(
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'/user/tier',
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{
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preHandler: async (request, reply) => {
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await fastify.requireAuth(request as AuthRequest);
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},
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},
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async (request, reply) => {
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const authReq = request as AuthRequest;
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if (!authReq.user?.id) {
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return reply.status(401).send({ error: 'Authentication required' });
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}
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try {
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const tier = await billingService.getUserTier(authReq.user.id);
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if (!tier) {
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return {
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tier: 'free' as SubscriptionTier,
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limits: await billingService.getTierLimits('free'),
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};
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}
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const limits = await billingService.getTierLimits(tier);
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return {
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tier,
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limits,
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};
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} catch (error) {
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reply.status(500).send({
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error: 'Failed to fetch user tier',
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message: error instanceof Error ? error.message : 'Unknown error',
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});
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}
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}
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);
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// Get invoice history
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fastify.get(
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'/invoices',
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{
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preHandler: async (request, reply) => {
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await fastify.requireAuth(request as AuthRequest);
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},
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},
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async (request, reply) => {
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const authReq = request as AuthRequest;
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const { customerId } = request.query as { customerId?: string };
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if (!authReq.user?.id) {
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return reply.status(401).send({ error: 'Authentication required' });
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}
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if (!customerId) {
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return reply.status(400).send({
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error: 'customerId is required',
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});
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}
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try {
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const invoices = await billingService.getInvoiceHistory(customerId);
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return {
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invoices: invoices.data.map((invoice) => ({
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id: invoice.id,
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amountDue: invoice.amount_due,
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amountPaid: invoice.amount_paid,
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status: invoice.status,
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created: new Date(invoice.created * 1000).toISOString(),
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hostedInvoiceUrl: invoice.hosted_invoice_url,
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})),
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hasMore: invoices.has_more,
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};
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} catch (error) {
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reply.status(500).send({
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error: 'Failed to fetch invoice history',
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message: error instanceof Error ? error.message : 'Unknown error',
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});
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}
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}
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);
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// Webhook handler (public endpoint)
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fastify.post(
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'/webhooks/stripe',
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{
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// Skip authentication for webhooks
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preHandler: async (request, reply) => {
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// Don't require auth for webhooks
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},
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},
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async (request, reply) => {
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const sig = request.headers['stripe-signature'] as string;
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if (!sig) {
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return reply.status(400).send({
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error: 'Missing Stripe signature',
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});
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}
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try {
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const event = await billingService.handleWebhook(sig, request.rawBody as Buffer);
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if (!event) {
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return reply.status(200).send({
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received: true,
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message: 'Event already processed',
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});
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}
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// Handle different event types using webhook service
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await webhookService.handleWebhook(event);
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return { received: true };
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} catch (error) {
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console.error('Webhook error:', error);
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return reply.status(400).send({
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error: 'Webhook handler failed',
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message: error instanceof Error ? error.message : 'Unknown error',
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});
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}
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}
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);
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}
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