源代码

import com.example.entity.Department;
import com.example.mapper.DepartmentMapper;
import com.example.request.DelDepartmentPermissionRequest;
import com.example.response.DelDepartmentPermissionResponse;
import com.example.service.DepartmentPermissionService;
import com.example.utils.RespUtils;
import com.example.exception.TitanException;
import com.example.enums.ErrorCodeEnum;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;

@Service
public class DepartmentServiceImpl {

@Autowired
private DepartmentMapper departmentMapper;

@Autowired
private DepartmentPermissionService permissionService;

@Transactional(rollbackFor = Exception.class)
public DelDepartmentPermissionResponse deleteDepartmentPermission(DelDepartmentPermissionRequest request) {
    DelDepartmentPermissionResponse response = new DelDepartmentPermissionResponse();

    // 参数校验
    if (StringUtils.isEmpty(request.getDepartmentId()) || request.getIndexPatternNameList() == null || request.getIndexPatternNameList().isEmpty()) {
        log.error("删除部门权限请求参数为空");
        throw new TitanException("所传参数为空!");
    }

    // 获取部门信息
    Department department = getDepartmentById(request.getDepartmentId());
    if (department == null) {
        RespUtils.setError(ErrorCodeEnum.DEPARTMENT_NOT_FOUND, response);
        return response;
    }

    // 删除权限
    permissionService.deletePermissionForDepartment(request.getDepartmentId(), request.getIndexPatternNameList());

    // 设置成功响应
    RespUtils.setSuccess(response);
    return response;
}

private Department getDepartmentById(String departmentId) {
    return departmentMapper.selectOneByExample(departmentId);
}

}