65 lines
1.7 KiB
C#
65 lines
1.7 KiB
C#
using FreeSql;
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using MAX.Core.Cryptography;
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using MAX.Core.DependencyInjection;
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using Store.Framework.Models;
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using Store.Framework.Repositorys;
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using StoreHub.Services.Dtos;
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using StoreHub.Services.Mappers;
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namespace StoreHub.Services;
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/// <summary>
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/// 用户业务服务：登录校验、用户查询等用例。
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/// </summary>
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public interface IUserService
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{
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/// <summary>
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/// 校验用户名/密码，成功返回用户 DTO，失败返回 null。
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/// </summary>
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Task<UserDto?> LoginAsync(string userName, string password);
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/// <summary>
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/// 根据用户ID获取用户 DTO，不存在返回 null。
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/// </summary>
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Task<UserDto?> GetByIdAsync(int id);
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}
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/// <summary>
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/// 用户业务服务实现（<see cref="IScopedDependency"/>，由 AddStoreHub 自动注册）。
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/// </summary>
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public class UserService : IUserService, IScopedDependency
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{
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private readonly IUserRepository _userRepository;
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public UserService(IUserRepository userRepository)
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{
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_userRepository = userRepository;
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}
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/// <inheritdoc />
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public async Task<UserDto?> LoginAsync(string userName, string password)
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{
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if (string.IsNullOrWhiteSpace(userName) || string.IsNullOrWhiteSpace(password))
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{
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return null;
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}
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var sql = _userRepository.Where(u => u.UserName == userName).ToSql();
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User? user = await _userRepository.Where(u => u.UserName == userName).FirstAsync();
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string pwd = MD5Helper.Md5_32(password);
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if (user is null || !string.Equals(user.Password, pwd, StringComparison.OrdinalIgnoreCase))
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{
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return null;
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}
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return UserMapper.ToDto(user);
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}
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/// <inheritdoc />
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public async Task<UserDto?> GetByIdAsync(int id)
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{
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User? user = await _userRepository.Where(u => u.Id == id).FirstAsync();
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return user is null ? null : UserMapper.ToDto(user);
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}
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}
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