From 8002ba89177261fb490885a9b08861c3a1f93715 Mon Sep 17 00:00:00 2001
From: Thomas Faust <mail@thomas-hesse.eu>
Date: Sun, 17 Mar 2024 20:21:02 +0100
Subject: [PATCH 1/2] feat(nest-iap): use configurable module builder to have
 forRoot{,Async} methods

---
 .../nest-iap/src/iap.module-definition.ts     | 20 ++++++++++++++
 packages/nest-iap/src/iap.module.ts           | 27 ++++++-------------
 packages/nest-iap/src/iap.service.ts          | 18 +++++--------
 .../interfaces/iap-module-config.interface.ts |  6 +++++
 4 files changed, 41 insertions(+), 30 deletions(-)
 create mode 100644 packages/nest-iap/src/iap.module-definition.ts
 create mode 100644 packages/nest-iap/src/interfaces/iap-module-config.interface.ts

diff --git a/packages/nest-iap/src/iap.module-definition.ts b/packages/nest-iap/src/iap.module-definition.ts
new file mode 100644
index 0000000..599d3cc
--- /dev/null
+++ b/packages/nest-iap/src/iap.module-definition.ts
@@ -0,0 +1,20 @@
+import { type DynamicModule, ConfigurableModuleBuilder } from '@nestjs/common';
+
+import { type IAPConfig } from './interfaces/iap-module-config.interface';
+
+/**
+ * @see {@link https://docs.nestjs.com/fundamentals/dynamic-modules#configurable-module-builder}
+ */
+export const { ConfigurableModuleClass, MODULE_OPTIONS_TOKEN, OPTIONS_TYPE, ASYNC_OPTIONS_TYPE } =
+  new ConfigurableModuleBuilder<IAPConfig>()
+    .setExtras(
+      {
+        isGlobal: true,
+      },
+      (definition: DynamicModule, extras: { isGlobal: boolean }) => ({
+        ...definition,
+        global: extras.isGlobal,
+      }),
+    )
+    .setClassMethodName('forRoot')
+    .build();
diff --git a/packages/nest-iap/src/iap.module.ts b/packages/nest-iap/src/iap.module.ts
index 27f43eb..b2dda8c 100644
--- a/packages/nest-iap/src/iap.module.ts
+++ b/packages/nest-iap/src/iap.module.ts
@@ -1,21 +1,10 @@
-import { type DynamicModule, Module } from '@nestjs/common';
+import { Module } from '@nestjs/common';
 
-import { type IAPConfig, IAP_CONFIG, IAPService } from './iap.service';
+import { ConfigurableModuleClass } from './iap.module-definition';
+import { IAPService } from './iap.service';
 
-@Module({})
-export class IAPModule {
-  static forRoot(config: IAPConfig): DynamicModule {
-    return {
-      global: true,
-      module: IAPModule,
-      providers: [
-        {
-          provide: IAP_CONFIG,
-          useValue: config,
-        },
-        IAPService,
-      ],
-      exports: [IAPService],
-    };
-  }
-}
+@Module({
+  providers: [IAPService],
+  exports: [IAPService],
+})
+export class IAPModule extends ConfigurableModuleClass {}
diff --git a/packages/nest-iap/src/iap.service.ts b/packages/nest-iap/src/iap.service.ts
index 67ae84e..49497a7 100644
--- a/packages/nest-iap/src/iap.service.ts
+++ b/packages/nest-iap/src/iap.service.ts
@@ -1,27 +1,23 @@
 import {
-  type AppleConfig,
   type AppleRequestBody,
-  type GoogleConfig,
+  type AppleVerifyResponse,
   type GoogleRequestBody,
+  type GoogleVerifyResponse,
   verifyAppleReceipt,
   verifyGoogleReceipt,
 } from '@jeremybarbet/node-iap';
 import { Inject, Injectable } from '@nestjs/common';
 
-export interface IAPConfig {
-  apple?: AppleConfig;
-  google?: GoogleConfig;
-}
-
-export const IAP_CONFIG = 'IAP_CONFIG';
+import type { IAPConfig } from './interfaces/iap-module-config.interface';
+import { MODULE_OPTIONS_TOKEN } from './iap.module-definition';
 
 @Injectable()
 export class IAPService {
-  constructor(@Inject(IAP_CONFIG) private readonly config: IAPConfig) {
+  constructor(@Inject(MODULE_OPTIONS_TOKEN) private readonly config: IAPConfig) {
     this.config = config;
   }
 
-  async verifyAppleReceipt(requestBody: AppleRequestBody) {
+  async verifyAppleReceipt(requestBody: AppleRequestBody): Promise<AppleVerifyResponse> {
     if (!this.config?.apple) {
       throw new Error('Missing Apple configuration.');
     }
@@ -29,7 +25,7 @@ export class IAPService {
     return await verifyAppleReceipt(requestBody, this.config.apple);
   }
 
-  async verifyGoogleReceipt(requestBody: GoogleRequestBody) {
+  async verifyGoogleReceipt(requestBody: GoogleRequestBody): Promise<GoogleVerifyResponse> {
     if (!this.config?.google) {
       throw new Error('Missing Google configuration.');
     }
diff --git a/packages/nest-iap/src/interfaces/iap-module-config.interface.ts b/packages/nest-iap/src/interfaces/iap-module-config.interface.ts
new file mode 100644
index 0000000..3d3c8b6
--- /dev/null
+++ b/packages/nest-iap/src/interfaces/iap-module-config.interface.ts
@@ -0,0 +1,6 @@
+import type { AppleConfig, GoogleConfig } from '@jeremybarbet/node-iap';
+
+export interface IAPConfig {
+  apple?: AppleConfig;
+  google?: GoogleConfig;
+}

From 2512bdc366e02d9ed9fbae8a711c0f7c978dcab6 Mon Sep 17 00:00:00 2001
From: Thomas Faust <mail@thomas-hesse.eu>
Date: Sun, 17 Mar 2024 22:43:04 +0100
Subject: [PATCH 2/2] fix(nest-iap): provide MODULE_OPTIONS_TOKEN in IAPModule

---
 packages/nest-iap/src/iap.module.ts | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/packages/nest-iap/src/iap.module.ts b/packages/nest-iap/src/iap.module.ts
index b2dda8c..d9d8008 100644
--- a/packages/nest-iap/src/iap.module.ts
+++ b/packages/nest-iap/src/iap.module.ts
@@ -1,10 +1,16 @@
 import { Module } from '@nestjs/common';
 
-import { ConfigurableModuleClass } from './iap.module-definition';
+import { ConfigurableModuleClass, MODULE_OPTIONS_TOKEN } from './iap.module-definition';
 import { IAPService } from './iap.service';
 
 @Module({
-  providers: [IAPService],
+  providers: [
+    {
+      provide: MODULE_OPTIONS_TOKEN,
+      useValue: MODULE_OPTIONS_TOKEN,
+    },
+    IAPService,
+  ],
   exports: [IAPService],
 })
 export class IAPModule extends ConfigurableModuleClass {}