feat(M08-A): 接入权益和余额下单抵扣

backend/src/payments/wechat-payment-service.ts

@@ -19,6 +19,7 @@ interface PaymentRow extends RowDataPacket {
   paidAmountCents: number;
   totalAmountCents: number;
   orderStatus: string;
+  userId?: string;
 }
 
 interface RefundRow extends RowDataPacket {
@@ -419,44 +420,17 @@ export class WechatPaymentService {
       );
       return;
     }
-    await connection.execute(
-      `UPDATE qipai_payments
-       SET status = 'SUCCEEDED', provider_payment_id = ?,
-           paid_at = UTC_TIMESTAMP(3), raw_notify = JSON_OBJECT('verified', TRUE)
-       WHERE tenant_id = ? AND id = ? AND status = 'PENDING'`,
-      [transactionId, payment.tenantId, payment.id]
-    );
-    await connection.execute(
-      `UPDATE qipai_orders SET paid_amount_cents = paid_amount_cents + ?
-       WHERE tenant_id = ? AND id = ?`,
-      [payment.amountCents, payment.tenantId, payment.orderId]
-    );
-    const nextPaid = Number(payment.paidAmountCents) + Number(payment.amountCents);
-    if (nextPaid >= Number(payment.totalAmountCents)
-      && payment.orderStatus === 'PENDING_PAYMENT') {
-      await connection.execute(
-        `UPDATE qipai_orders
-         SET status = 'PAID', status_version = status_version + 1,
-             status_updated_at = UTC_TIMESTAMP(3)
-         WHERE tenant_id = ? AND id = ?`,
-        [payment.tenantId, payment.orderId]
-      );
-      await connection.execute(
-        `UPDATE qipai_room_reservations
-         SET status = 'CONSUMED', expires_at = GREATEST(expires_at, ends_at)
-         WHERE tenant_id = ? AND order_id = ? AND status = 'HELD'`,
-        [payment.tenantId, payment.orderId]
-      );
-      await connection.execute(
-        `INSERT INTO qipai_order_status_history
-          (tenant_id, order_id, from_status, to_status, action, actor_type,
-           actor_id, source, reason, trace_id, metadata)
-         VALUES (?, ?, 'PENDING_PAYMENT', 'PAID', 'CONFIRM_PAYMENT', 'SYSTEM',
-           NULL, 'PAYMENT', 'Verified Wechat payment callback', ?,
-           JSON_OBJECT('paymentId', ?))`,
-        [payment.tenantId, payment.orderId, traceId, payment.id]
-      );
-    }
+    const userId = await this.loadOrderUserId(connection, payment.tenantId, payment.orderId);
+    await this.paymentRepository.applyPaymentSuccess(connection, {
+      paymentId: payment.id,
+      orderId: payment.orderId,
+      tenantId: payment.tenantId,
+      userId,
+      amountCents: Number(payment.amountCents),
+      providerPaymentId: transactionId,
+      traceId,
+      reason: 'Verified Wechat payment callback'
+    });
     await connection.execute(
       `UPDATE qipai_payment_callbacks
        SET processing_status = 'PROCESSED', processed_at = UTC_TIMESTAMP(3)
@@ -465,6 +439,16 @@ export class WechatPaymentService {
     );
   }
 
+  private async loadOrderUserId(connection: PoolConnection, tenantId: string, orderId: string) {
+    const [rows] = await connection.execute<RowDataPacket[]>(
+      `SELECT user_id AS userId FROM qipai_order_user_access
+       WHERE tenant_id = ? AND order_id = ? AND revoked_at IS NULL
+       ORDER BY id LIMIT 1`,
+      [tenantId, orderId]
+    );
+    return rows[0]?.userId ? String(rows[0].userId) : undefined;
+  }
+
   private async rejectCallback(
     connection: PoolConnection, tenantId: string, callbackId: string, code: string
   ) {