feat: Stripe connect using OAuth

packages/server/src/services/StripePayment/ExchangeStripeOauthToken.ts

@@ -0,0 +1,73 @@
+import { Inject, Service } from 'typedi';
+import { StripePaymentService } from './StripePaymentService';
+import events from '@/subscribers/events';
+import HasTenancyService from '../Tenancy/TenancyService';
+import { EventPublisher } from '@/lib/EventPublisher/EventPublisher';
+import UnitOfWork from '../UnitOfWork';
+import { Knex } from 'knex';
+import { StripeOAuthCodeGrantedEventPayload } from './types';
+
+@Service()
+export class ExchangeStripeOAuthTokenService {
+  @Inject()
+  private stripePaymentService: StripePaymentService;
+
+  @Inject()
+  private tenancy: HasTenancyService;
+
+  @Inject()
+  private eventPublisher: EventPublisher;
+
+  @Inject()
+  private uow: UnitOfWork;
+
+  /**
+   * Exchange stripe oauth authorization code to access token and user id.
+   * @param {number} tenantId
+   * @param {string} authorizationCode
+   */
+  public async excahngeStripeOAuthToken(
+    tenantId: number,
+    authorizationCode: string
+  ) {
+    const { PaymentIntegration } = this.tenancy.models(tenantId);
+    const stripe = this.stripePaymentService.stripe;
+
+    const response = await stripe.oauth.token({
+      grant_type: 'authorization_code',
+      code: authorizationCode,
+    });
+    // const accessToken = response.access_token;
+    // const refreshToken = response.refresh_token;
+    const stripeUserId = response.stripe_user_id;
+
+    // Retrieves details of the Stripe account.
+    const account = await stripe.accounts.retrieve(stripeUserId, {
+      expand: ['business_profile'],
+    });
+    const companyName = account.business_profile?.name || 'Unknow name';
+    const paymentEnabled = account.charges_enabled;
+    const payoutEnabled = account.payouts_enabled;
+
+    //
+    return this.uow.withTransaction(tenantId, async (trx: Knex.Transaction) => {
+      // Stores the details of the Stripe account.
+      const paymentIntegration = await PaymentIntegration.query(trx).insert({
+        name: companyName,
+        service: 'Stripe',
+        accountId: stripeUserId,
+        paymentEnabled,
+        payoutEnabled,
+      });
+      // Triggers `onStripeOAuthCodeGranted` event.
+      await this.eventPublisher.emitAsync(
+        events.stripeIntegration.onOAuthCodeGranted,
+        {
+          tenantId,
+          paymentIntegrationId: paymentIntegration.id,
+          trx,
+        } as StripeOAuthCodeGrantedEventPayload
+      );
+    });
+  }
+}