feat: Stripe payment checkout session

packages/server/src/api/controllers/StripeIntegration/StripeIntegrationController.ts

@@ -3,6 +3,7 @@ import { Service, Inject } from 'typedi';
 import { StripePaymentService } from '@/services/StripePayment/StripePaymentService';
 import asyncMiddleware from '@/api/middleware/asyncMiddleware';
 import { StripeIntegrationApplication } from './StripeIntegrationApplication';
+import { StripePaymentApplication } from '@/services/StripePayment/StripePaymentApplication';
 
 @Service()
 export class StripeIntegrationController {
@@ -12,6 +13,9 @@ export class StripeIntegrationController {
   @Inject()
   private stripeIntegrationApp: StripeIntegrationApplication;
 
+  @Inject()
+  private stripePaymentApp: StripePaymentApplication;
+
   router() {
     const router = Router();
 
@@ -20,9 +24,41 @@ export class StripeIntegrationController {
       '/account_session',
       asyncMiddleware(this.createAccountSession.bind(this))
     );
+    router.post(
+      '/:linkId/create_checkout_session',
+      this.createCheckoutSession.bind(this)
+    );
+
     return router;
   }
 
+  /**
+   * Creates a Stripe checkout session for the given payment link id.
+   * @param {Request} req
+   * @param {Response} res
+   * @param {NextFunction} next
+   * @returns {Promise<Response|void>}
+   */
+  public async createCheckoutSession(
+    req: Request<{ linkId: number }>,
+    res: Response,
+    next: NextFunction
+  ) {
+    const { linkId } = req.params;
+    const { tenantId } = req;
+
+    try {
+      const session =
+        await this.stripePaymentApp.createSaleInvoiceCheckoutSession(
+          tenantId,
+          linkId
+        );
+      return res.status(200).send(session);
+    } catch (error) {
+      next(error);
+    }
+  }
+
   /**
    * Creates a new Stripe account.
    * @param {Request} req - The Express request object.

packages/server/src/interfaces/StripePayment.ts

@@ -8,3 +8,10 @@ export interface StripePaymentLinkCreatedEventPayload {
 export interface StripeCheckoutSessionCompletedEventPayload {
   event: any;
 }
+
+
+export interface StripeInvoiceCheckoutSessionPOJO {
+  sessionId: string;
+  publishableKey: string;
+  redirectTo: string;
+}

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

@@ -0,0 +1,94 @@
+import config from '@/config';
+import { StripePaymentService } from './StripePaymentService';
+import HasTenancyService from '../Tenancy/TenancyService';
+import { ISaleInvoice } from '@/interfaces';
+import { Inject, Service } from 'typedi';
+import { StripeInvoiceCheckoutSessionPOJO } from '@/interfaces/StripePayment';
+import { PaymentLink } from '@/system/models';
+
+const origin = 'http://localhost';
+
+@Service()
+export class CreateInvoiceCheckoutSession {
+  @Inject()
+  private stripePaymentService: StripePaymentService;
+
+  @Inject()
+  private tenancy: HasTenancyService;
+
+  /**
+   * Creates a new Stripe checkout session from the given sale invoice.
+   * @param {number} tenantId
+   * @param {number} saleInvoiceId - Sale invoice id.
+   * @returns {Promise<StripeInvoiceCheckoutSessionPOJO>}
+   */
+  async createInvoiceCheckoutSession(
+    tenantId: number,
+    publicPaymentLinkId: number
+  ): Promise<StripeInvoiceCheckoutSessionPOJO> {
+    const { SaleInvoice } = this.tenancy.models(tenantId);
+
+    // Retrieves the payment link from the given id.
+    const paymentLink = await PaymentLink.query()
+      .findOne('linkId', publicPaymentLinkId)
+      .where('resourceType', 'SaleInvoice')
+      .throwIfNotFound();
+
+    // Retrieves the invoice from associated payment link.
+    const invoice = await SaleInvoice.query()
+      .findById(paymentLink.resourceId)
+      .withGraphFetched('paymentMethods')
+      .throwIfNotFound();
+
+    // It will be only one Stripe payment method associated to the invoice.
+    const stripePaymentMethod = invoice.paymentMethods?.find(
+      (method) => method.paymentIntegration?.service === 'Stripe'
+    );
+    const stripeAccountId = stripePaymentMethod?.paymentIntegration?.accountId;
+    const paymentIntegrationId = stripePaymentMethod?.paymentIntegration?.id;
+
+    const session = await this.createCheckoutSession(invoice, stripeAccountId);
+
+    return {
+      sessionId: session.id,
+      publishableKey: config.stripePayment.publishableKey,
+      redirectTo: session.url,
+    };
+  }
+
+  /**
+   * Creates a new Stripe checkout session for the given sale invoice.
+   * @param {ISaleInvoice} invoice - The sale invoice for which the checkout session is created.
+   * @param {string} stripeAccountId - The Stripe account ID associated with the payment method.
+   * @returns {Promise<any>} - The created Stripe checkout session.
+   */
+  private createCheckoutSession(
+    invoice: ISaleInvoice,
+    stripeAccountId: string
+  ) {
+    return this.stripePaymentService.stripe.checkout.sessions.create(
+      {
+        payment_method_types: ['card'],
+        line_items: [
+          {
+            price_data: {
+              currency: invoice.currencyCode,
+              product_data: {
+                name: invoice.invoiceNo,
+              },
+              unit_amount: invoice.total * 100, // Amount in cents
+            },
+            quantity: 1,
+          },
+        ],
+        mode: 'payment',
+        success_url: `${origin}/success`,
+        cancel_url: `${origin}/cancel`,
+      },
+      {
+        stripeAccount: stripeAccountId,
+        // stripeAccount: 'acct_1Q0nE7ESY7RfeebE',
+      }
+    );
+  }
+}

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

@@ -4,6 +4,8 @@ import { CreateStripeAccountService } from '@/api/controllers/StripeIntegration/
 import { CreateStripeAccountDTO } from '@/api/controllers/StripeIntegration/types';
 import { SaleInvoiceStripePaymentLink } from './SaleInvoiceStripePaymentLink';
 import { DeleteStripePaymentLinkInvoice } from './DeleteStripePaymentLinkInvoice';
+import { CreateInvoiceCheckoutSession } from './CreateInvoiceCheckoutSession';
+import { StripeInvoiceCheckoutSessionPOJO } from '@/interfaces/StripePayment';
 
 export class StripePaymentApplication {
   @Inject()
@@ -15,6 +17,9 @@ export class StripePaymentApplication {
   @Inject()
   private deleteStripePaymentLinkInvoice: DeleteStripePaymentLinkInvoice;
 
+  @Inject()
+  private createSaleInvoiceCheckoutSessionService: CreateInvoiceCheckoutSession;
+
   /**
    * Creates a new Stripe account for Bigcapital.
    * @param {number} tenantId
@@ -49,6 +54,22 @@ export class StripePaymentApplication {
     );
   }
 
+  /**
+   * Creates the Stripe checkout session from the given sale invoice.
+   * @param {number} tenantId
+   * @param {string} paymentLinkId
+   * @returns {Promise<StripeInvoiceCheckoutSessionPOJO>}
+   */
+  public createSaleInvoiceCheckoutSession(
+    tenantId: number,
+    paymentLinkId: number
+  ): Promise<StripeInvoiceCheckoutSessionPOJO> {
+    return this.createSaleInvoiceCheckoutSessionService.createInvoiceCheckoutSession(
+      tenantId,
+      paymentLinkId
+    );
+  }
+
   /**
    * Deletes the Stripe payment link associated with the given sale invoice.
    * @param {number} tenantId - Tenant id.