feat: integrate LemonSqueezy to subscription payment

packages/server/src/api/controllers/Subscription/index.ts

@@ -1,16 +1,21 @@
 import { Router, Request, Response, NextFunction } from 'express';
-import { Container, Service, Inject } from 'typedi';
+import { Service, Inject } from 'typedi';
+import { body } from 'express-validator';
 import JWTAuth from '@/api/middleware/jwtAuth';
 import TenancyMiddleware from '@/api/middleware/TenancyMiddleware';
 import AttachCurrentTenantUser from '@/api/middleware/AttachCurrentTenantUser';
-import PaymentViaLicenseController from '@/api/controllers/Subscription/PaymentViaLicense';
 import SubscriptionService from '@/services/Subscription/SubscriptionService';
 import asyncMiddleware from '@/api/middleware/asyncMiddleware';
+import BaseController from '../BaseController';
+import { LemonSqueezyService } from '@/services/Subscription/LemonSqueezyService';
 
 @Service()
-export default class SubscriptionController {
+export default class SubscriptionController extends BaseController {
   @Inject()
-  subscriptionService: SubscriptionService;
+  private subscriptionService: SubscriptionService;
+
+  @Inject()
+  private lemonSqueezyService: LemonSqueezyService;
 
   /**
    * Router constructor.
@@ -22,7 +27,12 @@ export default class SubscriptionController {
     router.use(AttachCurrentTenantUser);
     router.use(TenancyMiddleware);
 
-    router.use('/license', Container.get(PaymentViaLicenseController).router());
+    router.post(
+      '/lemon/checkout_url',
+      [body('variantId').exists().trim()],
+      this.validationResult,
+      this.getCheckoutUrl.bind(this)
+    );
     router.get('/', asyncMiddleware(this.getSubscriptions.bind(this)));
 
     return router;
@@ -34,7 +44,11 @@ export default class SubscriptionController {
    * @param {Response} res
    * @param {NextFunction} next
    */
-  async getSubscriptions(req: Request, res: Response, next: NextFunction) {
+  private async getSubscriptions(
+    req: Request,
+    res: Response,
+    next: NextFunction
+  ) {
     const { tenantId } = req;
 
     try {
@@ -46,4 +60,29 @@ export default class SubscriptionController {
       next(error);
     }
   }
+
+  /**
+   * Retrieves the LemonSqueezy checkout url.
+   * @param {Request} req
+   * @param {Response} res
+   * @param {NextFunction} next
+   */
+  private async getCheckoutUrl(
+    req: Request,
+    res: Response,
+    next: NextFunction
+  ) {
+    const { variantId } = this.matchedBodyData(req);
+    const { user } = req;
+
+    try {
+      const checkout = await this.lemonSqueezyService.getCheckout(
+        variantId,
+        user
+      );
+      return res.status(200).send(checkout);
+    } catch (error) {
+      next(error);
+    }
+  }
 }