修复金额的问题

internal/service/order/service.go

@@ -339,6 +339,11 @@ func (s *Service) CreateAdminOrder(ctx context.Context, req *dto.CreateAdminOrde
 		return nil, errors.New(errors.CodeInvalidParam, "后台仅支持钱包支付或线下支付")
 	}
 
+	if paymentStatus == model.PaymentStatusPaid && actualPaidAmount == nil {
+		actualPaidAmountSnapshot := totalAmount
+		actualPaidAmount = &actualPaidAmountSnapshot
+	}
+
 	// 查询当前生效的支付配置
 	var paymentConfigID *uint
 	if req.PaymentMethod == model.PaymentMethodWechat || req.PaymentMethod == model.PaymentMethodAlipay {
@@ -608,6 +613,11 @@ func (s *Service) CreateH5Order(ctx context.Context, req *dto.CreateOrderRequest
 		}
 	}
 
+	if paymentStatus == model.PaymentStatusPaid && actualPaidAmount == nil {
+		actualPaidAmountSnapshot := totalAmount
+		actualPaidAmount = &actualPaidAmountSnapshot
+	}
+
 	// 查询当前生效的支付配置
 	var h5PaymentConfigID *uint
 	if req.PaymentMethod == model.PaymentMethodWechat || req.PaymentMethod == model.PaymentMethodAlipay {
@@ -998,6 +1008,9 @@ func (s *Service) List(ctx context.Context, req *dto.OrderListRequest, buyerType
 	if req.PaymentStatus != nil {
 		filters["payment_status"] = *req.PaymentStatus
 	}
+	if req.PaymentMethod != "" {
+		filters["payment_method"] = req.PaymentMethod
+	}
 	if req.OrderType != "" {
 		filters["order_type"] = req.OrderType
 	}
@@ -1247,6 +1260,7 @@ func (s *Service) WalletPay(ctx context.Context, orderID uint, buyerType string,
 
 	// 根据资源类型选择对应的钱包系统
 	now := time.Now()
+	actualPaidAmount := order.TotalAmount
 
 	if resourceType == "shop" {
 		// 代理钱包系统（店铺）
@@ -1266,10 +1280,11 @@ func (s *Service) WalletPay(ctx context.Context, orderID uint, buyerType string,
 			result := tx.Model(&model.Order{}).
 				Where("id = ? AND payment_status = ?", orderID, model.PaymentStatusPending).
 				Updates(map[string]any{
-					"payment_status": model.PaymentStatusPaid,
-					"payment_method": model.PaymentMethodWallet,
-					"paid_at":        now,
-					"expires_at":     nil, // 支付成功，清除过期时间
+					"payment_status":     model.PaymentStatusPaid,
+					"payment_method":     model.PaymentMethodWallet,
+					"paid_at":            now,
+					"expires_at":         nil, // 支付成功，清除过期时间
+					"actual_paid_amount": actualPaidAmount,
 				})
 			if result.Error != nil {
 				return errors.Wrap(errors.CodeDatabaseError, result.Error, "更新订单支付状态失败")
@@ -1293,6 +1308,9 @@ func (s *Service) WalletPay(ctx context.Context, orderID uint, buyerType string,
 				}
 			}
 
+			actualPaidAmountSnapshot := actualPaidAmount
+			order.ActualPaidAmount = &actualPaidAmountSnapshot
+
 			walletResult := tx.Model(&model.AgentWallet{}).
 				Where("id = ? AND balance >= ? AND version = ?", wallet.ID, order.TotalAmount, wallet.Version).
 				Updates(map[string]any{
@@ -1330,10 +1348,11 @@ func (s *Service) WalletPay(ctx context.Context, orderID uint, buyerType string,
 			result := tx.Model(&model.Order{}).
 				Where("id = ? AND payment_status = ?", orderID, model.PaymentStatusPending).
 				Updates(map[string]any{
-					"payment_status": model.PaymentStatusPaid,
-					"payment_method": model.PaymentMethodWallet,
-					"paid_at":        now,
-					"expires_at":     nil, // 支付成功，清除过期时间
+					"payment_status":     model.PaymentStatusPaid,
+					"payment_method":     model.PaymentMethodWallet,
+					"paid_at":            now,
+					"expires_at":         nil, // 支付成功，清除过期时间
+					"actual_paid_amount": actualPaidAmount,
 				})
 			if result.Error != nil {
 				return errors.Wrap(errors.CodeDatabaseError, result.Error, "更新订单支付状态失败")
@@ -1357,6 +1376,9 @@ func (s *Service) WalletPay(ctx context.Context, orderID uint, buyerType string,
 				}
 			}
 
+			actualPaidAmountSnapshot := actualPaidAmount
+			order.ActualPaidAmount = &actualPaidAmountSnapshot
+
 			// 扣款前记录余额快照，用于写入流水
 			balanceBefore := wallet.Balance
 
@@ -2030,6 +2052,12 @@ func (s *Service) buildOrderResponse(order *model.Order, items []*model.OrderIte
 		assetType = "device"
 	}
 
+	actualPaidAmount := order.ActualPaidAmount
+	if actualPaidAmount == nil && order.PaymentStatus == model.PaymentStatusPaid {
+		actualPaidAmountSnapshot := order.TotalAmount
+		actualPaidAmount = &actualPaidAmountSnapshot
+	}
+
 	return &dto.OrderResponse{
 		ID:                      order.ID,
 		OrderNo:                 order.OrderNo,
@@ -2054,7 +2082,7 @@ func (s *Service) buildOrderResponse(order *model.Order, items []*model.OrderIte
 		OperatorID:       order.OperatorID,
 		OperatorType:     order.OperatorType,
 		OperatorName:     operatorName,
-		ActualPaidAmount: order.ActualPaidAmount,
+		ActualPaidAmount: actualPaidAmount,
 
 		PurchaseRole:        order.PurchaseRole,
 		IsPurchasedByParent: isPurchasedByParent,