feat(server): add lifetime plan flag (#7443)

packages/backend/server/src/plugins/payment/config.ts

@@ -1,6 +1,10 @@
 import type { Stripe } from 'stripe';
 
-import { defineStartupConfig, ModuleConfig } from '../../fundamentals/config';
+import {
+  defineRuntimeConfig,
+  defineStartupConfig,
+  ModuleConfig,
+} from '../../fundamentals/config';
 
 export interface PaymentStartupConfig {
   stripe?: {
@@ -11,10 +15,20 @@ export interface PaymentStartupConfig {
   } & Stripe.StripeConfig;
 }
 
+export interface PaymentRuntimeConfig {
+  showLifetimePrice: boolean;
+}
+
 declare module '../config' {
   interface PluginsConfig {
-    payment: ModuleConfig<PaymentStartupConfig>;
+    payment: ModuleConfig<PaymentStartupConfig, PaymentRuntimeConfig>;
   }
 }
 
 defineStartupConfig('plugins.payment', {});
+defineRuntimeConfig('plugins.payment', {
+  showLifetimePrice: {
+    desc: 'Whether enable lifetime price and allow user to pay for it.',
+    default: false,
+  },
+});

packages/backend/server/src/plugins/payment/service.ts

@@ -121,8 +121,14 @@ export class SubscriptionService {
       });
     }
 
+    const lifetimePriceEnabled = await this.config.runtime.fetch(
+      'plugins.payment/showLifetimePrice'
+    );
+
     const list = await this.stripe.prices.list({
       active: true,
+      // only list recurring prices if lifetime price is not enabled
+      ...(lifetimePriceEnabled ? {} : { type: 'recurring' }),
     });
 
     return list.data.filter(price => {
@@ -807,6 +813,16 @@ export class SubscriptionService {
     recurring: SubscriptionRecurring,
     variant?: SubscriptionPriceVariant
   ): Promise<string> {
+    if (recurring === SubscriptionRecurring.Lifetime) {
+      const lifetimePriceEnabled = await this.config.runtime.fetch(
+        'plugins.payment/showLifetimePrice'
+      );
+
+      if (!lifetimePriceEnabled) {
+        throw new ActionForbidden();
+      }
+    }
+
     const prices = await this.stripe.prices.list({
       lookup_keys: [encodeLookupKey(plan, recurring, variant)],
     });