feat: 权益等级支持新增和删除功能

server/HoneyBox/src/HoneyBox.Admin.Business/Controllers/QyLevelController.cs

@@ -87,6 +87,46 @@ public class QyLevelController : BusinessControllerBase
         }
     }
 
+    /// <summary>
+    /// 新增权益等级
+    /// </summary>
+    /// <param name="request">创建请求</param>
+    /// <returns>新创建的权益等级ID</returns>
+    [HttpPost]
+    [BusinessPermission("qylevel:add")]
+    public async Task<IActionResult> CreateQyLevel([FromBody] QyLevelCreateRequest request)
+    {
+        try
+        {
+            var id = await _qyLevelService.CreateQyLevelAsync(request);
+            return Ok(new { id }, "创建成功");
+        }
+        catch (BusinessException ex)
+        {
+            return Error(ex.Code, ex.Message);
+        }
+    }
+
+    /// <summary>
+    /// 删除权益等级（软删除）
+    /// </summary>
+    /// <param name="id">权益等级ID</param>
+    /// <returns>操作结果</returns>
+    [HttpDelete("{id}")]
+    [BusinessPermission("qylevel:delete")]
+    public async Task<IActionResult> DeleteQyLevel(int id)
+    {
+        try
+        {
+            var result = await _qyLevelService.DeleteQyLevelAsync(id);
+            return result ? Ok("删除成功") : Error(BusinessErrorCodes.InternalError, "删除失败");
+        }
+        catch (BusinessException ex)
+        {
+            return Error(ex.Code, ex.Message);
+        }
+    }
+
     #endregion
 
     #region 权益等级奖品接口

server/HoneyBox/src/HoneyBox.Admin.Business/Models/QyLevel/QyLevelModels.cs

@@ -172,6 +172,27 @@ public class QyLevelUpdateRequest
     public int RequiredPoints { get; set; }
 }
 
+/// <summary>
+/// 权益等级创建请求
+/// </summary>
+public class QyLevelCreateRequest
+{
+    /// <summary>
+    /// 等级
+    /// </summary>
+    public int Level { get; set; }
+
+    /// <summary>
+    /// 等级名称
+    /// </summary>
+    public string Title { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 所需欧气值
+    /// </summary>
+    public int RequiredPoints { get; set; }
+}
+
 /// <summary>
 /// 权益等级奖品列表查询请求
 /// </summary>

server/HoneyBox/src/HoneyBox.Admin.Business/Services/Interfaces/IQyLevelService.cs

@@ -32,6 +32,20 @@ public interface IQyLevelService
     /// <returns>是否成功</returns>
     Task<bool> UpdateQyLevelAsync(int id, QyLevelUpdateRequest request);
 
+    /// <summary>
+    /// 创建权益等级
+    /// </summary>
+    /// <param name="request">创建请求</param>
+    /// <returns>新创建的权益等级ID</returns>
+    Task<int> CreateQyLevelAsync(QyLevelCreateRequest request);
+
+    /// <summary>
+    /// 删除权益等级（软删除）
+    /// </summary>
+    /// <param name="id">权益等级ID</param>
+    /// <returns>是否成功</returns>
+    Task<bool> DeleteQyLevelAsync(int id);
+
     #endregion
 
     #region 权益等级奖品操作

server/HoneyBox/src/HoneyBox.Admin.Business/Services/QyLevelService.cs

@@ -100,6 +100,73 @@ public class QyLevelService : IQyLevelService
         return result;
     }
 
+    /// <inheritdoc />
+    public async Task<int> CreateQyLevelAsync(QyLevelCreateRequest request)
+    {
+        // 验证请求
+        if (string.IsNullOrWhiteSpace(request.Title))
+        {
+            throw new BusinessException(BusinessErrorCodes.ValidationFailed, "等级名称不能为空");
+        }
+
+        if (request.Level < 0)
+        {
+            throw new BusinessException(BusinessErrorCodes.ValidationFailed, "等级不能为负数");
+        }
+
+        if (request.RequiredPoints < 0)
+        {
+            throw new BusinessException(BusinessErrorCodes.ValidationFailed, "所需欧气值不能为负数");
+        }
+
+        // 检查等级是否已存在
+        var existingLevel = await _dbContext.EquityLevels
+            .FirstOrDefaultAsync(e => e.Level == request.Level && e.DeletedAt == null);
+
+        if (existingLevel != null)
+        {
+            throw new BusinessException(BusinessErrorCodes.ValidationFailed, $"等级 {request.Level} 已存在");
+        }
+
+        var entity = new EquityLevel
+        {
+            Level = request.Level,
+            Title = request.Title,
+            Number = request.RequiredPoints,
+            CreatedAt = DateTime.Now,
+            UpdatedAt = DateTime.Now
+        };
+
+        _dbContext.EquityLevels.Add(entity);
+        await _dbContext.SaveChangesAsync();
+
+        _logger.LogInformation("创建权益等级成功: Id={Id}, Level={Level}, Title={Title}", entity.Id, entity.Level, entity.Title);
+
+        return entity.Id;
+    }
+
+    /// <inheritdoc />
+    public async Task<bool> DeleteQyLevelAsync(int id)
+    {
+        var entity = await _dbContext.EquityLevels
+            .FirstOrDefaultAsync(e => e.Id == id && e.DeletedAt == null);
+
+        if (entity == null)
+        {
+            throw new BusinessException(BusinessErrorCodes.NotFound, "权益等级不存在");
+        }
+
+        // 软删除
+        entity.DeletedAt = DateTime.Now;
+        entity.UpdatedAt = DateTime.Now;
+
+        var result = await _dbContext.SaveChangesAsync() > 0;
+
+        _logger.LogInformation("删除权益等级成功: Id={Id}, Level={Level}", id, entity.Level);
+
+        return result;
+    }
+
     #endregion
 
     #region 权益等级奖品操作