content: package com.sky.service.impl;
  
  import com.github.pagehelper.Page;
  import com.github.pagehelper.PageHelper;
  import com.sky.constant.MessageConstant;
  import com.sky.constant.PasswordConstant;
  import com.sky.constant.StatusConstant;
  import com.sky.context.BaseContext;
  import com.sky.dto.EmployeeDTO;
  import com.sky.dto.EmployeeLoginDTO;
  import com.sky.dto.EmployeePageQueryDTO;
  import com.sky.dto.PasswordEditDTO;
  import com.sky.entity.Employee;
  import com.sky.exception.AccountLockedException;
  import com.sky.exception.AccountNotFoundException;
  import com.sky.exception.PasswordErrorException;
  import com.sky.mapper.EmployeeMapper;
  import com.sky.result.PageResult;
  import com.sky.service.EmployeeService;
  import lombok.extern.slf4j.Slf4j;
  import org.springframework.beans.BeanUtils;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.stereotype.Service;
  import org.springframework.util.DigestUtils;
  
  import java.nio.charset.StandardCharsets;
  import java.time.LocalDateTime;
  import java.util.List;
  
  @Service
  @Slf4j
  public class EmployeeServiceImpl implements EmployeeService {
  
      @Autowired
      private EmployeeMapper employeeMapper;
  
      /**
       * 员工登录
       *
       * @param employeeLoginDTO
       * @return
       */
      public Employee login(EmployeeLoginDTO employeeLoginDTO) {
          String username = employeeLoginDTO.getUsername();
          String password = employeeLoginDTO.getPassword();
  
          //1、根据用户名查询数据库中的数据
          Employee employee = employeeMapper.getByUsername(username);
  
          //2、处理各种异常情况（用户名不存在、密码不对、账号被锁定）
          if (employee == null) {
              //账号不存在
              throw new AccountNotFoundException(MessageConstant.ACCOUNT_NOT_FOUND);
          }
  
          //密码比对
          // TODO 后期需要进行md5加密，然后再进行比对
          password = DigestUtils.md5DigestAsHex(password.getBytes());
          if (!password.equals(employee.getPassword())) {
              //密码错误
              throw new PasswordErrorException(MessageConstant.PASSWORD_ERROR);
          }
  
          if (employee.getStatus() == StatusConstant.DISABLE) {
              //账号被锁定
              throw new AccountLockedException(MessageConstant.ACCOUNT_LOCKED);
          }
  
          //3、返回实体对象
          return employee;
      }
  
      /**
       * 新增员工
       * @param employeeDTO
       */
      @Override
      public void save(EmployeeDTO employeeDTO) {
          log.info("当前用户id:" + Thread.currentThread().getId());
          Employee employee = new Employee();
  
          //对象属性拷贝
          BeanUtils.copyProperties(employeeDTO,employee);
  
          //设置账号的状态，默认正常状态 1表示正常 0表示锁定
          employee.setStatus(StatusConstant.ENABLE);
  
          //设置密码，默认密码123456
          employee.setPassword(DigestUtils.md5DigestAsHex(PasswordConstant.DEFAULT_PASSWORD.getBytes()));
  
          //设置当前记录的创建时间和修改时间
          //employee.setCreateTime(LocalDateTime.now());
          //employee.setUpdateTime(LocalDateTime.now());
  
          //设置当前记录创建人id和修改人id
          //employee.setCreateUser(BaseContext.getCurrentId());
          //employee.setUpdateUser(BaseContext.getCurrentId());
  
          employeeMapper.insert(employee);
      }
  
      /**
       * 分页查询
       * @param employeePageQueryDTO
       * @return
       */
      @Override
      public PageResult pageQuery(EmployeePageQueryDTO employeePageQueryDTO) {
          PageHelper.startPage(employeePageQueryDTO.getPage(),employeePageQueryDTO.getPageSize());
          Page<Employee> page=employeeMapper.pageQuery(employeePageQueryDTO);
          long total = page.getTotal();
          List<Employee> records = page.getResult();
          return new PageResult(total,records);
      }
  
      /**
       * 启用禁用员工账号
       * @param status
       * @param id
       */
      @Override
      public void startOrStop(Integer status, Long id) {
          Employee employee=Employee.builder()
                  .id(id)
                  .status(status)
                  .build();
          employeeMapper.update(employee);
      }
  
      /**
       * 根据id查询员工
       * @param id
       * @return
       */
      @Override
      public Employee getById(Long id) {
          Employee employee=employeeMapper.getById(id);
          employee.setPassword("****");//非明文展示
          return employee;
      }
  
      /**
       * 编辑员工信息
       * @param employeeDTO
       */
      @Override
      public void update(EmployeeDTO employeeDTO) {
          Employee employee=new Employee();
          BeanUtils.copyProperties(employeeDTO,employee);
          //employee.setCreateTime(LocalDateTime.now());
          //employee.setUpdateTime(LocalDateTime.now());
  
          employeeMapper.update(employee);
      }
  
  
  
  }
  