refactor: 优化交易状态枚举处理方式

- 为TradeStatusEnum枚举添加Description特性标注
- 重构GetTradeStatusDescription方法，使用反射获取Description特性值
- 简化ParseTradeStatus方法，使用Enum.TryParse替代switch表达式
- 提高代码可维护性，避免硬编码状态描述

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application/Services/PayService.cs

@@ -12,6 +12,8 @@ using Yi.Framework.AiHub.Application.Contracts.IServices;
 using Volo.Abp;
 using Yi.Framework.AiHub.Domain.Entities.Pay;
 using Yi.Framework.SqlSugarCore.Abstractions;
+using System.ComponentModel;
+using System.Reflection;
 
 namespace Yi.Framework.AiHub.Application.Services;
 
@@ -147,15 +149,9 @@ public class PayService : ApplicationService, IPayService
     /// <returns>状态描述</returns>
     private string GetTradeStatusDescription(TradeStatusEnum tradeStatus)
     {
-        return tradeStatus switch
-        {
-            TradeStatusEnum.WAIT_TRADE => "准备发起",
-            TradeStatusEnum.WAIT_BUYER_PAY => "等待买家付款",
-            TradeStatusEnum.TRADE_SUCCESS => "交易成功",
-            TradeStatusEnum.TRADE_FINISHED => "交易结束",
-            TradeStatusEnum.TRADE_CLOSED => "交易关闭",
-            _ => "未知状态"
-        };
+        var fieldInfo = tradeStatus.GetType().GetField(tradeStatus.ToString());
+        var descriptionAttribute = fieldInfo?.GetCustomAttribute<DescriptionAttribute>();
+        return descriptionAttribute?.Description ?? "未知状态";
     }
 
     /// <summary>
@@ -165,13 +161,10 @@ public class PayService : ApplicationService, IPayService
     /// <returns></returns>
     private TradeStatusEnum ParseTradeStatus(string tradeStatus)
     {
-        return tradeStatus switch
+        if (Enum.TryParse<TradeStatusEnum>(tradeStatus, out var result))
         {
-            "WAIT_BUYER_PAY" => TradeStatusEnum.WAIT_BUYER_PAY,
-            "TRADE_SUCCESS" => TradeStatusEnum.TRADE_SUCCESS,
-            "TRADE_FINISHED" => TradeStatusEnum.TRADE_FINISHED,
-            "TRADE_CLOSED" => TradeStatusEnum.TRADE_CLOSED,
-            _ => TradeStatusEnum.WAIT_TRADE
-        };
+            return result;
+        }
+        return TradeStatusEnum.WAIT_TRADE;
     }
 }

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Domain.Shared/Enums/TradeStatusEnum.cs

@@ -1,29 +1,36 @@
-namespace Yi.Framework.AiHub.Domain.Shared.Enums;
+using System.ComponentModel;
+
+namespace Yi.Framework.AiHub.Domain.Shared.Enums;
 
 public enum TradeStatusEnum
 {
     /// <summary>
     /// 准备发起
     /// </summary>
+    [Description("准备发起")]
     WAIT_TRADE = 0,
 
     /// <summary>
     /// 交易创建
     /// </summary>
+    [Description("等待买家付款")]
     WAIT_BUYER_PAY = 10,
 
     /// <summary>
     /// 交易关闭
     /// </summary>
+    [Description("交易关闭")]
     TRADE_CLOSED = 20,
 
     /// <summary>
     /// 交易成功
     /// </summary>
+    [Description("交易成功")]
     TRADE_SUCCESS = 100,
 
     /// <summary>
     /// 交易结束
     /// </summary>
+    [Description("交易结束")]
     TRADE_FINISHED = -10
 }