feat(M08-A): 接入权益和余额下单抵扣

backend/src/orders/order-state-repository.ts

@@ -1,6 +1,7 @@
 import type { PoolConnection, ResultSetHeader, RowDataPacket } from 'mysql2/promise';
 import type { AccessProfile } from '../auth/rbac-repository.js';
 import type { MySqlPool } from '../db/mysql.js';
+import type { MarketingBenefitService } from '../wallets/marketing-benefit-service.js';
 
 export const orderActions = [
   'SUBMIT', 'CONFIRM_PAYMENT', 'RESERVE', 'START', 'FINISH', 'CANCEL',
@@ -71,7 +72,10 @@ export class OrderStateError extends Error {
 }
 
 export class OrderStateRepository {
-  constructor(private readonly pool: MySqlPool) {}
+  constructor(
+    private readonly pool: MySqlPool,
+    private readonly benefits?: Pick<MarketingBenefitService, 'releaseReservedInTransaction'>
+  ) {}
 
   async transition(actor: OrderActor, orderId: string, action: OrderAction, reason = '') {
     return this.transaction(async (connection) => {
@@ -223,6 +227,21 @@ export class OrderStateRepository {
          WHERE tenant_id = ? AND order_id = ?`,
         [tenantId, orderId]
       );
+      if (this.benefits) {
+        const [users] = await connection.execute<RowDataPacket[]>(
+          `SELECT user_id AS userId FROM qipai_order_user_access
+           WHERE tenant_id = ? AND order_id = ? ORDER BY id LIMIT 1`,
+          [tenantId, orderId]
+        );
+        if (users[0]?.userId) {
+          await this.benefits.releaseReservedInTransaction(connection, {
+            tenantId,
+            userId: String(users[0].userId),
+            orderId,
+            traceId: `order-benefit-release-${orderId}`
+          });
+        }
+      }
     }
   }