直接换货流程

pkg/constants/constants.go

@@ -386,6 +386,12 @@ const (
 	ExchangeStatusCancelled   = 5 // 已取消
 )
 
+// 换货流程类型常量
+const (
+	ExchangeFlowTypeShipping = "shipping" // 物流换货
+	ExchangeFlowTypeDirect   = "direct"   // 直接换货
+)
+
 // 换货资产类型常量
 const (
 	ExchangeAssetTypeIotCard = "iot_card" // 物联网卡
@@ -472,3 +478,15 @@ func GetExchangeStatusName(status int) string {
 		return "未知"
 	}
 }
+
+// GetExchangeFlowTypeName 获取换货流程类型名称
+func GetExchangeFlowTypeName(flowType string) string {
+	switch flowType {
+	case "", ExchangeFlowTypeShipping:
+		return "物流换货"
+	case ExchangeFlowTypeDirect:
+		return "直接换货"
+	default:
+		return "未知"
+	}
+}

pkg/constants/wallet.go

@@ -68,6 +68,7 @@ const (
 	AssetTransactionTypeRecharge = "recharge" // 充值
 	AssetTransactionTypeDeduct   = "deduct"   // 扣款
 	AssetTransactionTypeRefund   = "refund"   // 退款
+	AssetTransactionTypeExchange = "exchange" // 换货迁移
 )
 
 // 资产充值订单号前缀
@@ -114,6 +115,7 @@ const (
 	ReferenceTypeWithdrawal = "withdrawal" // 提现
 	ReferenceTypeTopup      = "topup"      // 充值
 	ReferenceTypeRefund     = "refund"     // 退款
+	ReferenceTypeExchange   = "exchange"   // 换货
 )
 
 // ========== Redis Key 生成函数 ==========