对接微信支付

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

@@ -1,4 +1,4 @@
-import { Inject, Injectable } from '@nestjs/common';
+import { Inject, Injectable, Logger } from '@nestjs/common';
 import { loadAppConfig } from '@dukang/shared-types';
 import { PrismaService } from '../../common/prisma/prisma.module';
 import { WECHAT_PROVIDER } from '../integrations.constants';
@@ -7,6 +7,7 @@ import type { IPayProvider, PayOrderResult } from './pay.interface';
 
 @Injectable()
 export class PayWechatProvider implements IPayProvider {
+  private readonly logger = new Logger(PayWechatProvider.name);
   private readonly config = loadAppConfig();
 
   constructor(
@@ -18,17 +19,18 @@ export class PayWechatProvider implements IPayProvider {
     if (this.config.mockPay) {
       return { mode: 'mock', externalNo: `MOCK-${Date.now()}` };
     }
+    if (!this.wechat.isPayEnabled()) {
+      throw new Error('微信支付未配置：请设置 WECHAT_PAY_ENABLED=true 与 WX_MCH_ID 等商户参数');
+    }
     if (!openId) {
       throw new Error('微信支付需要用户 openId，请先完成微信授权登录');
     }
-    if (!this.wechat.isEnabled()) {
-      throw new Error('微信能力未启用，请配置 WECHAT_AUTH_ENABLED 与 WX_APP_ID/SECRET');
-    }
 
     const order = await this.prisma.order.findUnique({ where: { id: orderId } });
     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()}`);
     const prepay = await this.wechat.createJsapiPrepay({
       orderNo: order.orderNo,
       description: `杜康好客订单 ${order.orderNo}`,