47 add stripe checkout endpoint (#4147)

* Add self billing feature flag

* Add two core tables for billing

* Remove useless imports

* Remove graphql decorators

* Rename subscriptionProduct table

* WIP: Add stripe config

* Add controller to get product prices

* Add billing service

* Remove unecessary package

* Simplify stripe service

* Code review returns

* Use nestjs param

* Rename subscription to basePlan

* Rename env variable

* Add checkout endpoint

* Remove resolver

* Merge controllers

* Fix security issue

* Handle missing url error

* Add workspaceId in checkout metadata

packages/twenty-server/src/core/billing/billing.service.ts

@@ -3,6 +3,7 @@ import { Injectable } from '@nestjs/common';
 import Stripe from 'stripe';
 
 import { EnvironmentService } from 'src/integrations/environment/environment.service';
+import { StripeService } from 'src/core/billing/stripe/stripe.service';
 
 export type PriceData = Partial<
   Record<Stripe.Price.Recurring.Interval, Stripe.Price>
@@ -10,10 +11,16 @@ export type PriceData = Partial<
 export enum AvailableProduct {
   BasePlan = 'base-plan',
 }
-
+export enum RecurringInterval {
+  MONTH = 'month',
+  YEAR = 'year',
+}
 @Injectable()
 export class BillingService {
-  constructor(private readonly environmentService: EnvironmentService) {}
+  constructor(
+    private readonly stripeService: StripeService,
+    private readonly environmentService: EnvironmentService,
+  ) {}
 
   getProductStripeId(product: AvailableProduct) {
     if (product === AvailableProduct.BasePlan) {
@@ -21,6 +28,14 @@ export class BillingService {
     }
   }
 
+  async getProductPrices(stripeProductId: string) {
+    const productPrices = await this.stripeService.stripe.prices.search({
+      query: `product: '${stripeProductId}'`,
+    });
+
+    return this.formatProductPrices(productPrices.data);
+  }
+
   formatProductPrices(prices: Stripe.Price[]) {
     const result: PriceData = {};