Class AuthService

back/src/main/java/com/smarthr/service/AuthService.java:27–154

import org.springframework.transaction.annotation.Transactional;

@Slf4j
@Service
@RequiredArgsConstructor
public class AuthService {

    private final AuthenticationManager authenticationManager;
    private final UserRepository userRepository;
    private final PasswordEncoder passwordEncoder;
    private final JwtTokenProvider jwtTokenProvider;
    private final JwtProperties jwtProperties;

    /**
     * 用户登录
     */
    public AuthResponse login(LoginRequest request) {
        log.info("User login attempt: {}", request.getUsername());

        // 认证
        Authentication authentication = authenticationManager.authenticate(
                new UsernamePasswordAuthenticationToken(
                        request.getUsername(),
                        request.getPassword()
                )
        );

        UserPrincipal userPrincipal = (UserPrincipal) authentication.getPrincipal();

        // 生成 Token
        String accessToken = jwtTokenProvider.generateToken(userPrincipal);
        String refreshToken = jwtTokenProvider.generateRefreshToken(userPrincipal);

        log.info("User logged in successfully: {}", request.getUsername());

        return buildAuthResponse(userPrincipal, accessToken, refreshToken);
    }

    /**
     * 用户注册
     */
    @Transactional
    public AuthResponse register(RegisterRequest request) {
        log.info("User registration attempt: {}", request.getUsername());

        // 检查用户名是否已存在
        if (userRepository.existsByUsername(request.getUsername())) {
            throw new RuntimeException("用户名已存在: " + request.getUsername());
        }

        // 检查邮箱是否已存在
        if (request.getEmail() != null && userRepository.existsByEmail(request.getEmail())) {
            throw new RuntimeException("邮箱已被使用: " + request.getEmail());
        }

        // 创建用户
        User user = User.builder()
                .username(request.getUsername())
                .password(passwordEncoder.encode(request.getPassword()))
                .email(request.getEmail())