feat(trade): connect WeChat refund API and callback flow

Co-authored-by: Cursor <cursoragent@cursor.com>

server/dukang-api/src/modules/ops/admin-tickets.service.ts

@@ -1,7 +1,6 @@
 import { BadRequestException, Injectable, NotFoundException } from '@nestjs/common';
 import { Prisma } from '@prisma/client';
 import { PrismaService } from '../../common/prisma/prisma.module';
-import { BenefitService } from '../benefit/benefit.service';
 import { TradeService } from '../trade/trade.service';
 import { TicketService } from '../common/ticket.service';
 import { serializeBigInt } from '../../common/decorators/current-user.decorator';
@@ -28,7 +27,6 @@ export class AdminTicketsService {
     private readonly prisma: PrismaService,
     private readonly ticketService: TicketService,
     private readonly tradeService: TradeService,
-    private readonly benefitService: BenefitService,
     private readonly partnerCityService: PartnerCityService,
   ) {}
 
@@ -123,32 +121,8 @@ export class AdminTicketsService {
     return { order, warehouse };
   }
 
-  private async executeRefund(orderId: bigint, remark: string) {
-    await this.prisma.order.update({
-      where: { id: orderId },
-      data: { status: 'REFUNDED', payStatus: 'REFUNDED' },
-    });
-    await this.benefitService.voidCouponsOnRefund(orderId);
-    await this.prisma.logThirdParty.create({
-      data: {
-        provider: 'WECHAT_REFUND',
-        scene: 'ORDER_REFUND',
-        refType: 'ORDER',
-        refId: orderId,
-        status: 'SUCCESS',
-        amount: 0,
-      },
-    });
-    await this.prisma.commonEvent.create({
-      data: {
-        eventType: 'ORDER_STATUS',
-        refType: 'ORDER',
-        refId: orderId,
-        actorType: 'HQ',
-        status: 'REFUNDED',
-        remark,
-      },
-    });
+  private async executeRefund(orderId: bigint, ticketId: bigint, remark: string) {
+    await this.tradeService.initiateRefund(orderId, ticketId, remark, 'HQ');
   }
 
   private async executeReship(orderId: bigint) {
@@ -169,7 +143,7 @@ export class AdminTicketsService {
 
     // 仅退款：立即退款
     if (ticket.ticketType === 'REFUND') {
-      await this.executeRefund(ticket.refId, remark ?? '仅退款工单审批通过');
+      await this.executeRefund(ticket.refId, ticket.id, remark ?? '仅退款工单审批通过');
       return this.ticketService.updateExtraJson(
         id,
         this.appendLog(existingExtra, 'HQ', actorId, 'APPROVE_REFUND'),
@@ -285,7 +259,7 @@ export class AdminTicketsService {
       await this.executeReship(ticket.refId);
       extra = this.appendLog(extra, opts.actorType, opts.actorId, 'CONFIRM_RESHIP');
     } else if (ticket.ticketType === 'DAMAGE_RETURN' || ticket.ticketType === 'RETURN_REFUND') {
-      await this.executeRefund(ticket.refId, `${ticket.ticketType} 协同取回后完成退款`);
+      await this.executeRefund(ticket.refId, ticket.id, `${ticket.ticketType} 协同取回后完成退款`);
       extra = this.appendLog(extra, opts.actorType, opts.actorId, 'CONFIRM_PICKUP_REFUND');
     } else {
       throw new BadRequestException('工单类型不支持协同完成');