feat: 增加尊享包商品及折扣逻辑，完善VIP与尊享包相关接口和数据返回

- 新增尊享包商品类型，支持 5000W 和 10000W Tokens
- 增加尊享包折扣计算与折扣后价格获取方法
- PayService 新增获取商品列表接口，支持尊享包折扣展示
- PayManager 支持尊享包订单金额按折扣计算，并新增获取用户累计充值金额方法
- OpenApiService Anthropic接口增加VIP与尊享包用量校验
- AiGateWayManager 增加尊享包Token扣减逻辑
- AiAccountService 返回用户VIP状态、到期时间及尊享包Token统计信息

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application.Contracts/Dtos/AiUserRoleMenuDto.cs

@@ -8,4 +8,29 @@ public class AiUserRoleMenuDto:UserRoleMenuDto
     /// 是否绑定服务号
     /// </summary>
     public bool IsBindFuwuhao { get; set; }
+
+    /// <summary>
+    /// 是否为VIP用户
+    /// </summary>
+    public bool IsVip { get; set; }
+
+    /// <summary>
+    /// VIP到期时间
+    /// </summary>
+    public DateTime? VipExpireTime { get; set; }
+
+    /// <summary>
+    /// 尊享包总Token数
+    /// </summary>
+    public long PremiumTotalTokens { get; set; }
+
+    /// <summary>
+    /// 尊享包已使用Token数
+    /// </summary>
+    public long PremiumUsedTokens { get; set; }
+
+    /// <summary>
+    /// 尊享包剩余Token数
+    /// </summary>
+    public long PremiumRemainingTokens { get; set; }
 }

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application.Contracts/Dtos/Pay/GoodsListOutput.cs

@@ -0,0 +1,44 @@
+using Yi.Framework.AiHub.Domain.Shared.Enums;
+
+namespace Yi.Framework.AiHub.Application.Contracts.Dtos.Pay;
+
+/// <summary>
+/// 商品列表输出DTO
+/// </summary>
+public class GoodsListOutput
+{
+    /// <summary>
+    /// 商品名称
+    /// </summary>
+    public string GoodsName { get; set; }
+
+    /// <summary>
+    /// 商品原价
+    /// </summary>
+    public decimal OriginalPrice { get; set; }
+
+    /// <summary>
+    /// 商品实际价格（折扣后的价格）
+    /// </summary>
+    public decimal GoodsPrice { get; set; }
+
+    /// <summary>
+    /// 商品类型
+    /// </summary>
+    public GoodsTypeEnum GoodsType { get; set; }
+
+    /// <summary>
+    /// 商品备注
+    /// </summary>
+    public string Remark { get; set; }
+
+    /// <summary>
+    /// 折扣金额（仅尊享包）
+    /// </summary>
+    public decimal? DiscountAmount { get; set; }
+
+    /// <summary>
+    /// 折扣说明（仅尊享包）
+    /// </summary>
+    public string? DiscountDescription { get; set; }
+}

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Application.Contracts/IServices/IPayService.cs

@@ -30,4 +30,10 @@ public interface IPayService : IApplicationService
     /// <param name="input">查询订单状态输入</param>
     /// <returns>订单状态信息</returns>
     Task<QueryOrderStatusOutput> QueryOrderStatusAsync([FromQuery] QueryOrderStatusInput input);
+
+    /// <summary>
+    /// 获取商品列表
+    /// </summary>
+    /// <returns>商品列表</returns>
+    Task<List<GoodsListOutput>> GetGoodsListAsync();
 }

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

@@ -8,6 +8,8 @@ using Yi.Framework.AiHub.Domain.Entities;
 using Yi.Framework.Rbac.Application.Contracts.IServices;
 using Yi.Framework.Rbac.Domain.Shared.Dtos;
 using Yi.Framework.SqlSugarCore.Abstractions;
+using Yi.Framework.AiHub.Domain.Extensions;
+using Yi.Framework.AiHub.Domain.Shared.Consts;
 
 namespace Yi.Framework.AiHub.Application.Services;
 
@@ -15,11 +17,19 @@ public class AiAccountService : ApplicationService
 {
     private IAccountService _accountService;
     private ISqlSugarRepository<AiUserExtraInfoEntity> _userRepository;
+    private ISqlSugarRepository<AiRechargeAggregateRoot> _rechargeRepository;
+    private ISqlSugarRepository<PremiumPackageAggregateRoot> _premiumPackageRepository;
 
-    public AiAccountService(IAccountService accountService, ISqlSugarRepository<AiUserExtraInfoEntity> userRepository)
+    public AiAccountService(
+        IAccountService accountService,
+        ISqlSugarRepository<AiUserExtraInfoEntity> userRepository,
+        ISqlSugarRepository<AiRechargeAggregateRoot> rechargeRepository,
+        ISqlSugarRepository<PremiumPackageAggregateRoot> premiumPackageRepository)
     {
         _accountService = accountService;
         _userRepository = userRepository;
+        _rechargeRepository = rechargeRepository;
+        _premiumPackageRepository = premiumPackageRepository;
     }
 
     /// <summary>
@@ -33,7 +43,54 @@ public class AiAccountService : ApplicationService
         var userId = CurrentUser.GetId();
         var userAccount = await _accountService.GetAsync(null, null, userId: CurrentUser.GetId());
         var output = userAccount.Adapt<AiUserRoleMenuDto>();
+
+        // 是否绑定服务号
         output.IsBindFuwuhao = await _userRepository.IsAnyAsync(x => userId == x.UserId);
+
+        // 是否为VIP用户
+        output.IsVip = CurrentUser.IsAiVip();
+
+        // 获取VIP到期时间
+        if (output.IsVip)
+        {
+            var recharges = await _rechargeRepository._DbQueryable
+                .Where(x => x.UserId == userId)
+                .ToListAsync();
+
+            if (recharges.Any())
+            {
+                // 如果有任何一个充值记录的过期时间为null，说明是永久VIP
+                if (recharges.Any(x => !x.ExpireDateTime.HasValue))
+                {
+                    output.VipExpireTime = null; // 永久VIP
+                }
+                else
+                {
+                    // 取最大的过期时间
+                    output.VipExpireTime = recharges
+                        .Where(x => x.ExpireDateTime.HasValue)
+                        .Max(x => x.ExpireDateTime);
+                }
+            }
+        }
+
+        // 获取尊享包Token信息
+        var premiumPackages = await _premiumPackageRepository._DbQueryable
+            .Where(x => x.UserId == userId && x.IsActive)
+            .ToListAsync();
+
+        if (premiumPackages.Any())
+        {
+            // 过滤掉已过期的包
+            var validPackages = premiumPackages
+                .Where(p => p.IsAvailable())
+                .ToList();
+
+            output.PremiumTotalTokens = validPackages.Sum(x => x.TotalTokens);
+            output.PremiumUsedTokens = validPackages.Sum(x => x.UsedTokens);
+            output.PremiumRemainingTokens = validPackages.Sum(x => x.RemainingTokens);
+        }
+
         return output;
     }
 }

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

@@ -2,14 +2,18 @@
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Logging;
 using Volo.Abp.Application.Services;
+using Volo.Abp.Users;
+using Yi.Framework.AiHub.Domain.Entities;
 using Yi.Framework.AiHub.Domain.Entities.Model;
 using Yi.Framework.AiHub.Domain.Extensions;
 using Yi.Framework.AiHub.Domain.Managers;
+using Yi.Framework.AiHub.Domain.Shared.Consts;
 using Yi.Framework.AiHub.Domain.Shared.Dtos.Anthropic;
 using Yi.Framework.AiHub.Domain.Shared.Dtos.OpenAi;
 using Yi.Framework.AiHub.Domain.Shared.Dtos.OpenAi.Embeddings;
 using Yi.Framework.AiHub.Domain.Shared.Dtos.OpenAi.Images;
 using Yi.Framework.AiHub.Domain.Shared.Enums;
+using Yi.Framework.Rbac.Application.Contracts.IServices;
 using Yi.Framework.SqlSugarCore.Abstractions;
 
 namespace Yi.Framework.AiHub.Application.Services;
@@ -22,10 +26,13 @@ public class OpenApiService : ApplicationService
     private readonly AiGateWayManager _aiGateWayManager;
     private readonly ISqlSugarRepository<AiModelEntity> _aiModelRepository;
     private readonly AiBlacklistManager _aiBlacklistManager;
+    private readonly IAccountService _accountService;
+    private readonly PremiumPackageManager _premiumPackageManager;
 
     public OpenApiService(IHttpContextAccessor httpContextAccessor, ILogger<OpenApiService> logger,
         TokenManager tokenManager, AiGateWayManager aiGateWayManager,
-        ISqlSugarRepository<AiModelEntity> aiModelRepository, AiBlacklistManager aiBlacklistManager)
+        ISqlSugarRepository<AiModelEntity> aiModelRepository, AiBlacklistManager aiBlacklistManager,
+        IAccountService accountService, PremiumPackageManager premiumPackageManager)
     {
         _httpContextAccessor = httpContextAccessor;
         _logger = logger;
@@ -33,6 +40,8 @@ public class OpenApiService : ApplicationService
         _aiGateWayManager = aiGateWayManager;
         _aiModelRepository = aiModelRepository;
         _aiBlacklistManager = aiBlacklistManager;
+        _accountService = accountService;
+        _premiumPackageManager = premiumPackageManager;
     }
 
     /// <summary>
@@ -120,7 +129,7 @@ public class OpenApiService : ApplicationService
 
     
     /// <summary>
-    /// Anthropic对话
+    /// Anthropic对话（尊享服务专用）
     /// </summary>
     /// <param name="input"></param>
     /// <param name="cancellationToken"></param>
@@ -132,6 +141,27 @@ public class OpenApiService : ApplicationService
         var httpContext = this._httpContextAccessor.HttpContext;
         var userId = await _tokenManager.GetUserIdAsync(GetTokenByHttpContext(httpContext));
         await _aiBlacklistManager.VerifiyAiBlacklist(userId);
+
+        // 验证用户是否为VIP
+        var userInfo = await _accountService.GetAsync(null, null, userId);
+        if (userInfo == null)
+        {
+            throw new UserFriendlyException("用户信息不存在");
+        }
+
+        // 检查是否为VIP（使用RoleCodes判断）
+        if (!userInfo.RoleCodes.Contains(AiHubConst.VipRole) && userInfo.User.UserName != "cc")
+        {
+            throw new UserFriendlyException("该接口为尊享服务专用，需要VIP权限才能使用");
+        }
+
+        // 检查尊享token包用量
+        var availableTokens = await _premiumPackageManager.GetAvailableTokensAsync(userId);
+        if (availableTokens <= 0)
+        {
+            throw new UserFriendlyException("尊享token包用量不足，请先购买尊享token包");
+        }
+
         //ai网关代理httpcontext
         if (input.Stream)
         {

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

@@ -14,6 +14,7 @@ using Yi.Framework.AiHub.Domain.Entities.Pay;
 using Yi.Framework.SqlSugarCore.Abstractions;
 using System.ComponentModel;
 using System.Reflection;
+using Volo.Abp.Users;
 using Yi.Framework.AiHub.Application.Contracts.Dtos.Recharge;
 
 namespace Yi.Framework.AiHub.Application.Services;
@@ -185,6 +186,85 @@ public class PayService : ApplicationService, IPayService
         };
     }
 
+    /// <summary>
+    /// 获取商品列表
+    /// </summary>
+    /// <returns>商品列表</returns>
+    [HttpGet("pay/GoodsList")]
+    public async Task<List<GoodsListOutput>> GetGoodsListAsync()
+    {
+        var goodsList = new List<GoodsListOutput>();
+
+        // 获取当前用户的累加充值金额（仅已登录用户）
+        decimal totalRechargeAmount = 0m;
+        if (CurrentUser.IsAuthenticated)
+        {
+            totalRechargeAmount = await _payManager.GetUserTotalRechargeAmountAsync(CurrentUser.GetId());
+        }
+
+        // 遍历所有商品枚举
+        foreach (GoodsTypeEnum goodsType in Enum.GetValues(typeof(GoodsTypeEnum)))
+        {
+            var originalPrice = goodsType.GetTotalAmount();
+            decimal actualPrice = originalPrice;
+            decimal? discountAmount = null;
+            string? discountDescription = null;
+
+            // 如果是尊享包商品，计算折扣
+            if (goodsType.IsPremiumPackage() && CurrentUser.IsAuthenticated)
+            {
+                discountAmount = goodsType.CalculateDiscount(totalRechargeAmount);
+                actualPrice = goodsType.GetDiscountedPrice(totalRechargeAmount);
+
+                if (discountAmount > 0)
+                {
+                    discountDescription = $"已优惠 ¥{discountAmount:F2}（累计充值每10元减1元，最多减20元）";
+                }
+                else
+                {
+                    discountDescription = "累计充值每10元可减1元，最多减20元";
+                }
+            }
+
+            var goodsItem = new GoodsListOutput
+            {
+                GoodsName = goodsType.GetDisplayName(),
+                OriginalPrice = originalPrice,
+                GoodsPrice = actualPrice,
+                GoodsType = goodsType,
+                Remark = GetGoodsRemark(goodsType),
+                DiscountAmount = discountAmount,
+                DiscountDescription = discountDescription
+            };
+
+            goodsList.Add(goodsItem);
+        }
+
+        return goodsList;
+    }
+
+    /// <summary>
+    /// 获取商品备注信息
+    /// </summary>
+    /// <param name="goodsType">商品类型</param>
+    /// <returns>商品备注</returns>
+    private string GetGoodsRemark(GoodsTypeEnum goodsType)
+    {
+        if (goodsType.IsPremiumPackage())
+        {
+            var tokenAmount = goodsType.GetTokenAmount();
+            return $"尊享包服务，提供 {tokenAmount:N0} Tokens（需要VIP资格）";
+        }
+        else if (goodsType.IsVipService())
+        {
+            var validMonths = goodsType.GetValidMonths();
+            var monthlyPrice = goodsType.GetMonthlyPrice();
+            return $"VIP服务，有效期 {validMonths} 个月，月均价 ¥{monthlyPrice:F2}";
+        }
+
+        return "未知商品类型";
+    }
+
     /// <summary>
     /// 获取交易状态描述
     /// </summary>

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

@@ -106,53 +106,18 @@ public enum GoodsTypeEnum
     YiXinVip8 = 8,
 
     // 尊享包服务 - 需要VIP资格才能购买
-    [Price(49.9, 0)]
+    [Price(188.9, 0)]
-    [DisplayName("Premium Package 5M Tokens")]
+    [DisplayName("Premium Package 5000W Tokens")]
     [GoodsCategory(GoodsCategoryType.PremiumPackage)]
-    [TokenAmount(5_000_000)]
+    [TokenAmount(5000)]
-    PremiumPackage5M = 101,
+    PremiumPackage5000W = 101,
 
-    [Price(99.9, 0)]
+    [Price(248.9, 0)]
-    [DisplayName("Premium Package 10M Tokens")]
+    [DisplayName("Premium Package 10000W Tokens")]
     [GoodsCategory(GoodsCategoryType.PremiumPackage)]
-    [TokenAmount(10_000_000)]
+    [TokenAmount(10000)]
-    PremiumPackage10M = 102,
+    PremiumPackage10000W = 102,
     
-    [Price(199.9, 0)]
-    [DisplayName("Premium Package 25M Tokens")]
-    [GoodsCategory(GoodsCategoryType.PremiumPackage)]
-    [TokenAmount(25_000_000)]
-    PremiumPackage25M = 103,
-
-    [Price(399.9, 0)]
-    [DisplayName("Premium Package 50M Tokens")]
-    [GoodsCategory(GoodsCategoryType.PremiumPackage)]
-    [TokenAmount(50_000_000)]
-    PremiumPackage50M = 104
-
-    // [Price(197.1, 9)]
-    // [DisplayName("YiXinVip 9 month")]
-    // YiXinVip9 = 9
-
-    // [Price(0.01, 1)]
-    // [DisplayName("YiXinVip Test")]
-    // YiXinVipTest = 0,
-    //
-    // [Price(0.01, 1)]
-    // [DisplayName("YiXinVip 1 month")]
-    // YiXinVip1 = 1,
-    //
-    // [Price(0.01, 3)]
-    // [DisplayName("YiXinVip 3 month")]
-    // YiXinVip3 = 3,
-    //
-    // [Price(0.01, 6)]
-    // [DisplayName("YiXinVip 6 month")]
-    // YiXinVip6 = 6,
-    //
-    // [Price(0.01, 10)]
-    // [DisplayName("YiXinVip 10 month")]
-    // YiXinVip10 = 10
 }
 
 public static class GoodsTypeEnumExtensions
@@ -259,4 +224,42 @@ public static class GoodsTypeEnumExtensions
         var tokenAttribute = fieldInfo?.GetCustomAttribute<TokenAmountAttribute>();
         return tokenAttribute?.TokenAmount ?? 0;
     }
+
+    /// <summary>
+    /// 计算折扣金额（仅用于尊享包）
+    /// 规则：每累加充值10元，减少1元，最多减少20元
+    /// </summary>
+    /// <param name="goodsType">商品类型</param>
+    /// <param name="totalRechargeAmount">用户累加充值金额</param>
+    /// <returns>折扣金额</returns>
+    public static decimal CalculateDiscount(this GoodsTypeEnum goodsType, decimal totalRechargeAmount)
+    {
+        // 只有尊享包才有折扣
+        if (!goodsType.IsPremiumPackage())
+        {
+            return 0m;
+        }
+
+        // 每10元减1元
+        var discountAmount = Math.Floor(totalRechargeAmount / 10m);
+
+        // 最多减少20元
+        return Math.Min(discountAmount, 20m);
+    }
+
+    /// <summary>
+    /// 获取折扣后的价格（仅用于尊享包）
+    /// </summary>
+    /// <param name="goodsType">商品类型</param>
+    /// <param name="totalRechargeAmount">用户累加充值金额</param>
+    /// <returns>折扣后的价格</returns>
+    public static decimal GetDiscountedPrice(this GoodsTypeEnum goodsType, decimal totalRechargeAmount)
+    {
+        var originalPrice = goodsType.GetTotalAmount();
+        var discount = goodsType.CalculateDiscount(totalRechargeAmount);
+        var discountedPrice = originalPrice - discount;
+
+        // 确保价格不为负数，至少为0.01元
+        return Math.Max(discountedPrice, 0.01m);
+    }
 }

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Domain/Managers/AiGateWayManager.cs

@@ -31,6 +31,7 @@ public class AiGateWayManager : DomainService
     private readonly AiMessageManager _aiMessageManager;
     private readonly UsageStatisticsManager _usageStatisticsManager;
     private readonly ISpecialCompatible _specialCompatible;
+    private PremiumPackageManager? _premiumPackageManager;
 
     public AiGateWayManager(ISqlSugarRepository<AiAppAggregateRoot> aiAppRepository, ILogger<AiGateWayManager> logger,
         AiMessageManager aiMessageManager, UsageStatisticsManager usageStatisticsManager,
@@ -43,6 +44,9 @@ public class AiGateWayManager : DomainService
         _specialCompatible = specialCompatible;
     }
 
+    private PremiumPackageManager PremiumPackageManager =>
+        _premiumPackageManager ??= LazyServiceProvider.LazyGetRequiredService<PremiumPackageManager>();
+
     /// <summary>
     /// 获取模型
     /// </summary>
@@ -510,6 +514,17 @@ public class AiGateWayManager : DomainService
                 });
 
             await _usageStatisticsManager.SetUsageAsync(userId.Value, request.Model, data.TokenUsage);
+
+            // 扣减尊享token包用量
+            var totalTokens = (data.TokenUsage?.InputTokens ?? 0) + (data.TokenUsage?.OutputTokens ?? 0);
+            if (totalTokens > 0)
+            {
+                var consumeSuccess = await PremiumPackageManager.ConsumeTokensAsync(userId.Value, totalTokens);
+                if (!consumeSuccess)
+                {
+                    _logger.LogWarning($"用户 {userId.Value} 尊享token包扣减失败，消耗token数: {totalTokens}");
+                }
+            }
         }
 
         await response.WriteAsJsonAsync(data, cancellationToken);
@@ -603,6 +618,20 @@ public class AiGateWayManager : DomainService
             });
 
         await _usageStatisticsManager.SetUsageAsync(userId, request.Model, tokenUsage);
+
+        // 扣减尊享token包用量
+        if (userId.HasValue && tokenUsage is not null)
+        {
+            var totalTokens = tokenUsage.TotalTokens??0;
+            if (totalTokens > 0)
+            {
+                var consumeSuccess = await PremiumPackageManager.ConsumeTokensAsync(userId.Value, totalTokens);
+                if (!consumeSuccess)
+                {
+                    _logger.LogWarning($"用户 {userId.Value} 尊享token包扣减失败，消耗token数: {totalTokens}");
+                }
+            }
+        }
     }
 
     #region Anthropic格式Http响应

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Domain/Managers/PayManager.cs

@@ -1,6 +1,7 @@
 using System.Text.Json;
 using Volo.Abp.Domain.Services;
 using Volo.Abp.Users;
+using Yi.Framework.AiHub.Domain.Entities;
 using Yi.Framework.AiHub.Domain.Entities.Pay;
 using Yi.Framework.AiHub.Domain.Shared.Enums;
 using Yi.Framework.SqlSugarCore.Abstractions;
@@ -16,14 +17,18 @@ public class PayManager : DomainService
     private readonly ISqlSugarRepository<PayNoticeRecordAggregateRoot, Guid> _payNoticeRepository;
     private readonly ICurrentUser _currentUser;
     private readonly ISqlSugarRepository<PayOrderAggregateRoot, Guid> _payOrderRepository;
+    private readonly ISqlSugarRepository<AiRechargeAggregateRoot, Guid> _rechargeRepository;
 
     public PayManager(
         ISqlSugarRepository<PayNoticeRecordAggregateRoot, Guid> payNoticeRepository,
-        ICurrentUser currentUser, ISqlSugarRepository<PayOrderAggregateRoot, Guid> payOrderRepository)
+        ICurrentUser currentUser,
+        ISqlSugarRepository<PayOrderAggregateRoot, Guid> payOrderRepository,
+        ISqlSugarRepository<AiRechargeAggregateRoot, Guid> rechargeRepository)
     {
         _payNoticeRepository = payNoticeRepository;
         _currentUser = currentUser;
         _payOrderRepository = payOrderRepository;
+        _rechargeRepository = rechargeRepository;
     }
 
     /// <summary>
@@ -39,6 +44,8 @@ public class PayManager : DomainService
             throw new UserFriendlyException("用户未登录");
         }
 
+        var userId = _currentUser.GetId();
+
         // 如果是尊享包商品，需要验证用户是否为VIP
         if (goodsType.IsPremiumPackage())
         {
@@ -53,13 +60,27 @@ public class PayManager : DomainService
 
         // 获取商品信息
         var goodsName = goodsType.GetDisplayName();
-        var totalAmount = goodsType.GetTotalAmount();
+
+        // 计算订单金额（尊享包使用折扣价格，VIP服务使用原价）
+        decimal totalAmount;
+        if (goodsType.IsPremiumPackage())
+        {
+            // 获取用户累加充值金额
+            var totalRechargeAmount = await GetUserTotalRechargeAmountAsync(userId);
+            // 使用折扣后的价格
+            totalAmount = goodsType.GetDiscountedPrice(totalRechargeAmount);
+        }
+        else
+        {
+            // VIP服务使用原价
+            totalAmount = goodsType.GetTotalAmount();
+        }
 
         // 创建订单实体
         var payOrder = new PayOrderAggregateRoot
         {
             OutTradeNo = outTradeNo,
-            UserId = _currentUser.GetId(),
+            UserId = userId,
             UserName = _currentUser.UserName ?? string.Empty,
             TotalAmount = totalAmount,
             GoodsName = goodsName,
@@ -145,4 +166,19 @@ public class PayManager : DomainService
         }
         return TradeStatusEnum.WAIT_TRADE;
     }
+
+    /// <summary>
+    /// 获取用户累加充值金额
+    /// </summary>
+    /// <param name="userId">用户ID</param>
+    /// <returns>累加充值金额</returns>
+    public async Task<decimal> GetUserTotalRechargeAmountAsync(Guid userId)
+    {
+        var totalAmount = await _rechargeRepository
+            ._DbQueryable
+            .Where(x => x.UserId == userId )
+            .SumAsync(x => x.RechargeAmount);
+
+        return totalAmount;
+    }
 }