微信小程序支付功能打通

server/dukang-api/src/integrations/pay/pay.interface.ts

@@ -5,5 +5,5 @@ export type PayOrderResult =
   | { mode: 'jsapi'; prepay: WechatJsapiPrepayParams };
 
 export interface IPayProvider {
-  payOrder(orderId: bigint, openId?: string): Promise<PayOrderResult>;
+  payOrder(orderId: bigint, openId?: string, platform?: 'h5' | 'mini'): Promise<PayOrderResult>;
 }

server/dukang-api/src/integrations/pay/pay.mock.provider.ts

@@ -4,7 +4,7 @@ import type { IPayProvider, PayOrderResult } from './pay.interface';
 
 @Injectable()
 export class PayMockProvider implements IPayProvider {
-  async payOrder(_orderId: bigint, _openId?: string): Promise<PayOrderResult> {
+  async payOrder(_orderId: bigint, _openId?: string, _platform?: 'h5' | 'mini'): Promise<PayOrderResult> {
     if (!loadAppConfig().mockPay) {
       throw new Error('Real WeChat pay requires PayWechatProvider');
     }

server/dukang-api/src/integrations/pay/pay.router.provider.ts

@@ -16,7 +16,7 @@ export class PayRouterProvider implements IPayProvider {
     return loadAppConfig().mockPay ? this.mock : this.wechat;
   }
 
-  payOrder(orderId: bigint, openId?: string): Promise<PayOrderResult> {
-    return this.resolve().payOrder(orderId, openId);
+  payOrder(orderId: bigint, openId?: string, platform?: 'h5' | 'mini'): Promise<PayOrderResult> {
+    return this.resolve().payOrder(orderId, openId, platform);
   }
 }

server/dukang-api/src/integrations/pay/pay.wechat.provider.ts

@@ -14,7 +14,7 @@ export class PayWechatProvider implements IPayProvider {
     @Inject(WECHAT_PROVIDER) private readonly wechat: IWechatProvider,
   ) {}
 
-  async payOrder(orderId: bigint, openId?: string): Promise<PayOrderResult> {
+  async payOrder(orderId: bigint, openId?: string, platform: 'h5' | 'mini' = 'h5'): Promise<PayOrderResult> {
     if (loadAppConfig().mockPay) {
       return { mode: 'mock', externalNo: `MOCK-${Date.now()}` };
     }
@@ -29,13 +29,14 @@ export class PayWechatProvider implements IPayProvider {
     if (!order) throw new Error('订单不存在');
 
     const amountFen = Math.round(Number(order.payAmount) * 100);
-    this.logger.log(`create JSAPI prepay order=${order.orderNo} mchid=${this.wechat.getMchId()}`);
+    this.logger.log(`create JSAPI prepay order=${order.orderNo} mchid=${this.wechat.getMchId()} platform=${platform}`);
     const prepay = await this.wechat.createJsapiPrepay({
       orderNo: order.orderNo,
       description: `杜康好客订单 ${order.orderNo}`,
       amountFen,
       openId,
       notifyUrl: process.env.WX_PAY_NOTIFY_URL ?? '',
+      platform,
     });
     return { mode: 'jsapi', prepay };
   }