268 lines
8.9 KiB
C#
268 lines
8.9 KiB
C#
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using System.Linq.Expressions;
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using BCrypt.Net;
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using Microsoft.Extensions.Logging;
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using QYZH.InteractiveMagazine.IService;
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using QYZH.InteractiveMagazine.IService.Dto;
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using QYZH.InteractiveMagazine.Models.Common;
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using QYZH.InteractiveMagazine.Models.Dto;
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using QYZH.InteractiveMagazine.Models.Entity;
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using QYZH.InteractiveMagazine.Repository;
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namespace QYZH.InteractiveMagazine.Service;
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/// <summary>
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/// 管理员用户服务实现
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/// </summary>
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public class AdminUserService : IAdminUserService
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{
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private readonly IAdminUserRepository _adminUserRepository;
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private readonly ILogger<AdminUserService> _logger;
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public AdminUserService(IAdminUserRepository adminUserRepository, ILogger<AdminUserService> logger)
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{
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_adminUserRepository = adminUserRepository;
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_logger = logger;
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}
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/// <summary>
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/// 创建管理员
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/// </summary>
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public async Task<AdminUserOutput> CreateAsync(AdminUserInput input)
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{
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_logger.LogInformation("正在创建管理员，用户名: {UserName}", input.UserName);
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if (string.IsNullOrWhiteSpace(input.UserName))
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{
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throw new BusinessException("用户名不能为空", 400);
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}
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if (string.IsNullOrWhiteSpace(input.Password))
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{
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throw new BusinessException("密码不能为空", 400);
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}
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// 检查用户名是否已存在
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var existingUser = await _adminUserRepository.GetByUserNameAsync(input.UserName);
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if (existingUser != null)
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{
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_logger.LogWarning("创建管理员失败，用户名已存在: {UserName}", input.UserName);
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throw new BusinessException("用户名已存在", 400);
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}
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var adminUser = new AdminUser
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{
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UserName = input.UserName.Trim(),
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PasswordHash = BCrypt.Net.BCrypt.HashPassword(input.Password),
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Type = input.Type,
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Status = input.Status,
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CreatedBy = "System",
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UpdatedBy = "System",
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CreatedAt = DateTime.Now,
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UpdatedAt = DateTime.Now,
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IsDeleted = false
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};
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var result = await _adminUserRepository.InsertAsync(adminUser);
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if (!result)
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{
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_logger.LogError("管理员创建失败，用户名: {UserName}", input.UserName);
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throw new BusinessException("创建管理员失败", 500);
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}
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_logger.LogInformation("管理员创建成功，用户名: {UserName}, ID: {Id}", input.UserName, adminUser.Id);
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return MapToOutput(adminUser);
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}
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/// <summary>
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/// 更新管理员
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/// </summary>
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public async Task<AdminUserOutput> UpdateAsync(long id, AdminUserInput input)
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{
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_logger.LogInformation("正在更新管理员，ID: {Id}", id);
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var adminUser = await _adminUserRepository.GetByIdAsync(id);
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if (adminUser == null)
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{
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_logger.LogWarning("未找到要更新的管理员，ID: {Id}", id);
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throw new BusinessException("管理员不存在", 404);
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}
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// 如果用户名有变更，检查是否与其他用户重复
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if (!string.IsNullOrWhiteSpace(input.UserName) && input.UserName != adminUser.UserName)
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{
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var existingUser = await _adminUserRepository.GetByUserNameAsync(input.UserName.Trim());
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if (existingUser != null && existingUser.Id != id)
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{
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_logger.LogWarning("更新管理员失败，用户名已存在: {UserName}", input.UserName);
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throw new BusinessException("用户名已存在", 400);
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}
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adminUser.UserName = input.UserName.Trim();
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}
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// 如果提供了密码，则更新密码
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if (!string.IsNullOrWhiteSpace(input.Password))
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{
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adminUser.PasswordHash = BCrypt.Net.BCrypt.HashPassword(input.Password);
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}
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if (!string.IsNullOrWhiteSpace(input.Type))
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{
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adminUser.Type = input.Type;
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}
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if (!string.IsNullOrWhiteSpace(input.Status))
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{
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adminUser.Status = input.Status;
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}
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adminUser.UpdatedBy = "System";
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adminUser.UpdatedAt = DateTime.Now;
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var result = await _adminUserRepository.UpdateAsync(adminUser);
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if (!result)
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{
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_logger.LogError("管理员更新失败，ID: {Id}", id);
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throw new BusinessException("更新管理员失败", 500);
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}
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_logger.LogInformation("管理员更新成功，ID: {Id}", id);
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return MapToOutput(adminUser);
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}
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/// <summary>
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/// 删除管理员（软删除）
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/// </summary>
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public async Task DeleteAsync(long id)
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{
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_logger.LogInformation("正在删除管理员，ID: {Id}", id);
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var adminUser = await _adminUserRepository.GetByIdAsync(id);
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if (adminUser == null)
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{
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_logger.LogWarning("未找到要删除的管理员，ID: {Id}", id);
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throw new BusinessException("管理员不存在", 404);
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}
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var result = await _adminUserRepository.DeleteByIdAsync(id);
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if (!result)
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{
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_logger.LogError("管理员删除失败，ID: {Id}", id);
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throw new BusinessException("删除管理员失败", 500);
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}
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_logger.LogInformation("管理员删除成功，ID: {Id}", id);
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}
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/// <summary>
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/// 根据ID获取管理员
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/// </summary>
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public async Task<AdminUserOutput> GetByIdAsync(long id)
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{
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_logger.LogInformation("正在获取管理员信息，ID: {Id}", id);
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var adminUser = await _adminUserRepository.GetByIdAsync(id);
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if (adminUser == null)
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{
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_logger.LogWarning("未找到管理员，ID: {Id}", id);
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throw new BusinessException("管理员不存在", 404);
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}
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return MapToOutput(adminUser);
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}
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/// <summary>
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/// 分页查询管理员列表
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/// </summary>
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public async Task<PageListModel<AdminUserOutput>> GetListAsync(AdminUserQueryInput input)
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{
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_logger.LogInformation("正在查询管理员列表，页码: {PageIndex}, 每页条数: {PageSize}", input.PageIndex, input.PageSize);
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if (input.PageIndex <= 0)
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{
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throw new BusinessException("页码必须大于0", 400);
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}
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if (input.PageSize <= 0 || input.PageSize > 100)
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{
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throw new BusinessException("每页条数必须在1-100之间", 400);
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}
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var pageResult = await _adminUserRepository.GetPageListAsync(
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BuildQueryExpression(input),
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input
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);
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// 转换为输出DTO
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var outputList = pageResult.List?.Select(MapToOutput).ToList() ?? new List<AdminUserOutput>();
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return new PageListModel<AdminUserOutput>
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{
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List = outputList,
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TotalCount = pageResult.TotalCount,
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PageIndex = pageResult.PageIndex,
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PageSize = pageResult.PageSize
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};
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}
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/// <summary>
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/// 构建查询表达式
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/// </summary>
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private static Expression<Func<AdminUser, bool>> BuildQueryExpression(AdminUserQueryInput input)
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{
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Expression<Func<AdminUser, bool>> where = x => !x.IsDeleted;
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if (!string.IsNullOrWhiteSpace(input.UserName))
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{
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var userName = input.UserName;
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Expression<Func<AdminUser, bool>> userNameCondition = x => x.UserName.Contains(userName);
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where = Expression.Lambda<Func<AdminUser, bool>>(
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Expression.AndAlso(where.Body,
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Expression.Invoke(userNameCondition, where.Parameters[0])),
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where.Parameters);
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}
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if (!string.IsNullOrWhiteSpace(input.Type))
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{
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var type = input.Type;
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Expression<Func<AdminUser, bool>> typeCondition = x => x.Type == type;
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where = Expression.Lambda<Func<AdminUser, bool>>(
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Expression.AndAlso(where.Body,
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Expression.Invoke(typeCondition, where.Parameters[0])),
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where.Parameters);
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}
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if (!string.IsNullOrWhiteSpace(input.Status))
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{
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var status = input.Status;
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Expression<Func<AdminUser, bool>> statusCondition = x => x.Status == status;
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where = Expression.Lambda<Func<AdminUser, bool>>(
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Expression.AndAlso(where.Body,
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Expression.Invoke(statusCondition, where.Parameters[0])),
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where.Parameters);
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}
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return where;
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}
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/// <summary>
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/// 将实体映射为输出DTO
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/// </summary>
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private static AdminUserOutput MapToOutput(AdminUser adminUser)
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{
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return new AdminUserOutput
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{
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Id = adminUser.Id,
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UserName = adminUser.UserName,
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Type = adminUser.Type,
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Status = adminUser.Status,
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CreatedBy = adminUser.CreatedBy,
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CreatedAt = adminUser.CreatedAt,
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UpdatedBy = adminUser.UpdatedBy,
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UpdatedAt = adminUser.UpdatedAt
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};
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}
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}
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