284 lines
10 KiB
Java
284 lines
10 KiB
Java
package edu.whut.smilepicturebackend.service.impl;
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import cn.hutool.core.bean.BeanUtil;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.util.ObjUtil;
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import cn.hutool.core.util.StrUtil;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.baomidou.mybatisplus.core.toolkit.Wrappers;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import edu.whut.smilepicturebackend.annotation.AuthCheck;
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import edu.whut.smilepicturebackend.common.BaseResponse;
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import edu.whut.smilepicturebackend.common.ResultUtils;
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import edu.whut.smilepicturebackend.constant.UserConstant;
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import edu.whut.smilepicturebackend.exception.BusinessException;
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import edu.whut.smilepicturebackend.exception.ErrorCode;
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import edu.whut.smilepicturebackend.exception.ThrowUtils;
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import edu.whut.smilepicturebackend.manager.auth.StpKit;
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import edu.whut.smilepicturebackend.model.dto.user.UserAddRequest;
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import edu.whut.smilepicturebackend.model.dto.user.UserQueryRequest;
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import edu.whut.smilepicturebackend.model.entity.User;
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import edu.whut.smilepicturebackend.model.enums.UserRoleEnum;
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import edu.whut.smilepicturebackend.model.vo.LoginUserVO;
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import edu.whut.smilepicturebackend.model.vo.UserVO;
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import edu.whut.smilepicturebackend.service.UserService;
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import edu.whut.smilepicturebackend.mapper.UserMapper;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
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import org.springframework.stereotype.Service;
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import org.springframework.web.bind.annotation.GetMapping;
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import javax.servlet.http.HttpServletRequest;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.stream.Collectors;
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/**
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* @author 张三
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* @description 针对表【user(用户)】的数据库操作Service实现
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*/
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@Service
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@Slf4j
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@RequiredArgsConstructor
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public class UserServiceImpl extends ServiceImpl<UserMapper, User>
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implements UserService{
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private final BCryptPasswordEncoder passwordEncoder;
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/**
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* 用户注册
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*
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* @param userAccount 用户账户
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* @param userPassword 用户密码
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* @param checkPassword 校验密码
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* @return
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*/
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@Override
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public long userRegister(String userAccount, String userPassword, String checkPassword) {
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// 1. 校验参数
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if (StrUtil.hasBlank(userAccount, userPassword, checkPassword)) {
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throw new BusinessException(ErrorCode.PARAMS_ERROR, "参数为空");
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}
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if (userAccount.length() < 4) {
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throw new BusinessException(ErrorCode.PARAMS_ERROR, "用户账号过短");
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}
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if (userPassword.length() < 8 || checkPassword.length() < 8) {
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throw new BusinessException(ErrorCode.PARAMS_ERROR, "用户密码过短");
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}
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if (!userPassword.equals(checkPassword)) {
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throw new BusinessException(ErrorCode.PARAMS_ERROR, "两次输入的密码不一致");
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}
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// 2. 检查用户账号是否和数据库中已有的重复
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LambdaQueryWrapper<User> lambda = Wrappers.lambdaQuery();
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lambda.eq(User::getUserAccount, userAccount);
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long count = this.baseMapper.selectCount(lambda);
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if (count > 0) {
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throw new BusinessException(ErrorCode.PARAMS_ERROR, "账号重复");
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}
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// 3. 密码一定要加密
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String encryptPassword = getEncryptPassword(userPassword);
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// 4. 插入数据到数据库中
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User user = new User();
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user.setUserAccount(userAccount);
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user.setUserPassword(encryptPassword);
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user.setUserName("无名");
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user.setUserRole(UserRoleEnum.USER.getValue());
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boolean saveResult = this.save(user);
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if (!saveResult) {
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throw new BusinessException(ErrorCode.SYSTEM_ERROR, "注册失败，数据库错误");
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}
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return user.getId();
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}
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/**
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* 获取加密后的密码
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*
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* @param userPassword 用户密码
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* @return 加密后的密码
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*/
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@Override
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public String getEncryptPassword(String userPassword) {
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return passwordEncoder.encode(userPassword);
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// // 加盐，混淆密码
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// final String SALT = "smile12306";
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// return DigestUtils.md5DigestAsHex((SALT + userPassword).getBytes());
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}
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@Override
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public LoginUserVO userLogin(String userAccount, String userPassword, HttpServletRequest request) {
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// 1. 校验
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if (StrUtil.hasBlank(userAccount, userPassword)) {
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throw new BusinessException(ErrorCode.PARAMS_ERROR, "参数为空");
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}
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if (userAccount.length() < 4) {
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throw new BusinessException(ErrorCode.PARAMS_ERROR, "用户账号错误");
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}
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if (userPassword.length() < 8) {
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throw new BusinessException(ErrorCode.PARAMS_ERROR, "用户密码错误");
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}
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// 2. 根据账号查询用户（不带密码）
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LambdaQueryWrapper<User> lambda = Wrappers.lambdaQuery();
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lambda.eq(User::getUserAccount, userAccount);
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User user = this.baseMapper.selectOne(lambda);
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if (user == null) {
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throw new BusinessException(ErrorCode.PARAMS_ERROR, "用户不存在或者密码错误");
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}
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// 3. 用 BCryptPasswordEncoder 去校验明文密码 vs 数据库里存的加密密码
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if (!passwordEncoder.matches(userPassword, user.getUserPassword())) {
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throw new BusinessException(ErrorCode.PARAMS_ERROR, "用户不存在或者密码错误");
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}
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// 4. 保存用户的登录态
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request.getSession().setAttribute(UserConstant.USER_LOGIN_STATE, user);
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// 记录用户登录态到 Sa-token，便于空间鉴权时使用，注意保证该用户信息与 SpringSession 中的信息过期时间一致
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StpKit.SPACE.login(user.getId());
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StpKit.SPACE.getSession().set(UserConstant.USER_LOGIN_STATE, user);
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return this.getLoginUserVO(user);
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}
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/**
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* 获取脱敏后的用户信息（无密码）
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*
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* @param user 用户
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* @return 脱敏后的用户信息
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*/
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@Override
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public LoginUserVO getLoginUserVO(User user) {
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if (user == null) {
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return null;
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}
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LoginUserVO loginUserVO = new LoginUserVO();
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BeanUtil.copyProperties(user, loginUserVO);
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return loginUserVO;
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}
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/**
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* 获得脱敏后的用户信息（无密码、更新、编辑时间）
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*
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* @param user
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* @return
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*/
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@Override
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public UserVO getUserVO(User user) {
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if (user == null) {
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return null;
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}
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UserVO userVO = new UserVO();
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BeanUtil.copyProperties(user, userVO);
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return userVO;
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}
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/**
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* 获取脱敏后的用户列表
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*
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* @param userList
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* @return
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*/
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@Override
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public List<UserVO> getUserVOList(List<User> userList) {
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if (CollUtil.isEmpty(userList)) {
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return new ArrayList<>();
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}
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return userList.stream()
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.map(this::getUserVO)
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.collect(Collectors.toList());
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}
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/**
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* 获取当前登录用户
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* @param request
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* @return
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*/
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@Override
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public User getLoginUser(HttpServletRequest request) {
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// 判断是否已经登录
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Object userObj = request.getSession().getAttribute(UserConstant.USER_LOGIN_STATE);
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User currentUser = (User) userObj;
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if (currentUser == null || currentUser.getId() == null) {
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throw new BusinessException(ErrorCode.NOT_LOGIN_ERROR);
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}
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// // 从数据库中查询（追求性能的话可以注释，直接返回上述结果）
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// Long userId = currentUser.getId();
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// currentUser = this.getById(userId);
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// if (currentUser == null) {
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// throw new BusinessException(ErrorCode.NOT_LOGIN_ERROR);
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// }
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return currentUser;
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}
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/**
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* 退出登录
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*
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* @param request
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* @return
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*/
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@Override
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public boolean userLogout(HttpServletRequest request) {
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// 判断是否已经登录
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Object userObj = request.getSession().getAttribute(UserConstant.USER_LOGIN_STATE);
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if (userObj == null) {
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throw new BusinessException(ErrorCode.OPERATION_ERROR, "未登录");
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}
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// 移除登录态
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request.getSession().removeAttribute(UserConstant.USER_LOGIN_STATE);
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return true;
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}
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/**
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* 查询条件
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* @param req
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* @return
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*/
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@Override
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public LambdaQueryWrapper<User> getQueryWrapper(UserQueryRequest req) {
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if (req == null) {
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throw new BusinessException(ErrorCode.PARAMS_ERROR, "请求参数为空");
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}
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LambdaQueryWrapper<User> qw = Wrappers.lambdaQuery(User.class);
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// 基本等值和模糊匹配
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qw.eq(ObjUtil.isNotNull(req.getId()), User::getId, req.getId())
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.eq(StrUtil.isNotBlank(req.getUserRole()), User::getUserRole, req.getUserRole())
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.like(StrUtil.isNotBlank(req.getUserAccount()), User::getUserAccount, req.getUserAccount())
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.like(StrUtil.isNotBlank(req.getUserName()), User::getUserName, req.getUserName())
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.like(StrUtil.isNotBlank(req.getUserProfile()), User::getUserProfile, req.getUserProfile());
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// 动态排序
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if (StrUtil.isNotBlank(req.getSortField())) {
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String column = StrUtil.toUnderlineCase(req.getSortField());
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boolean asc = "ascend".equalsIgnoreCase(req.getSortOrder());
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qw.last("ORDER BY " + column + (asc ? " ASC" : " DESC"));
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}
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return qw;
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}
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@Override
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public boolean isAdmin(User user) {
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return user != null && UserRoleEnum.ADMIN.getValue().equals(user.getUserRole());
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}
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/**
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* 创建用户
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*/
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@Override
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public long createUser(UserAddRequest req) {
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// 1. DTO -> entity
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User user = new User();
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BeanUtil.copyProperties(req, user);
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// 2. 设定默认密码并加密
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String encoded = passwordEncoder.encode(UserConstant.USER_DEFAULT);
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user.setUserPassword(encoded);
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// 3.插入数据库
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boolean result = this.save(user);
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ThrowUtils.throwIf(!result, ErrorCode.OPERATION_ERROR);
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return user.getId();
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}
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}
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