金额使用整数, 不再扣押金, 价格每个人看到自己的-1

backend/internal/modules/dispute/repository.go

@@ -3,6 +3,7 @@ package dispute
 import (
 	"encoding/json"
 	"errors"
+	"math"
 	"time"
 
 	"hfb_sys/backend/internal/model"
@@ -302,10 +303,10 @@ type arbitrationSettlement struct {
 }
 
 func buildArbitrationSettlement(order model.RentalOrder, req ArbitrateRequest) (arbitrationSettlement, error) {
-	total := order.RentAmount + order.DepositAmount
-	ownerRentAmount := order.OwnerRentAmount
+	total := roundMoney(order.RentAmount + order.DepositAmount)
+	ownerRentAmount := roundMoney(order.OwnerRentAmount)
 	if ownerRentAmount <= 0 || ownerRentAmount > order.RentAmount {
-		ownerRentAmount = order.RentAmount
+		ownerRentAmount = roundMoney(order.RentAmount)
 	}
 	settlement := arbitrationSettlement{}
 	orderID := order.ID
@@ -359,6 +360,7 @@ func buildArbitrationSettlement(order model.RentalOrder, req ArbitrateRequest) (
 	case "full_refund":
 		addRenterRefund(total, "仲裁全额退款")
 	case "partial_refund":
+		req.Amount = roundMoney(req.Amount)
 		if req.Amount <= 0 || req.Amount > total {
 			return settlement, ErrInvalidDispute
 		}
@@ -368,7 +370,7 @@ func buildArbitrationSettlement(order model.RentalOrder, req ArbitrateRequest) (
 		addOwnerIncome(ownerRentAmount, "仲裁确认订单金额结算给号主")
 		addRenterRefund(order.DepositAmount, "仲裁释放押金给租客")
 	case "deduct_deposit", "compensate_owner":
-		deductAmount := req.Amount
+		deductAmount := roundMoney(req.Amount)
 		if deductAmount <= 0 {
 			deductAmount = order.DepositAmount
 		}
@@ -390,9 +392,13 @@ func buildArbitrationSettlement(order model.RentalOrder, req ArbitrateRequest) (
 
 func minMoney(a float64, b float64) float64 {
 	if a < b {
-		return a
+		return roundMoney(a)
 	}
-	return b
+	return roundMoney(b)
+}
+
+func roundMoney(value float64) float64 {
+	return math.Round(value)
 }
 
 func (r *Repository) baseQuery() *gorm.DB {