server/src/main/java/cn/com/qmth/scancentral/service/impl/ExamServiceImpl.java

package cn.com.qmth.scancentral.service.impl;

import java.util.List;

import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.qmth.boot.core.collection.PageResult;
import com.qmth.boot.core.exception.ParameterException;
import com.qmth.boot.core.security.exception.AuthorizationException;

import cn.com.qmth.scancentral.bean.ImportExamDomain;
import cn.com.qmth.scancentral.bean.User;
import cn.com.qmth.scancentral.dao.ExamDao;
import cn.com.qmth.scancentral.entity.ExamEntity;
import cn.com.qmth.scancentral.entity.ExamSummaryEntity;
import cn.com.qmth.scancentral.entity.SubjectEntity;
import cn.com.qmth.scancentral.enums.CheckStatus;
import cn.com.qmth.scancentral.enums.ExamMode;
import cn.com.qmth.scancentral.enums.ExamStatus;
import cn.com.qmth.scancentral.enums.ImageTransferMode;
import cn.com.qmth.scancentral.enums.OP;
import cn.com.qmth.scancentral.enums.Role;
import cn.com.qmth.scancentral.enums.TaskStatus;
import cn.com.qmth.scancentral.exception.ParameterExceptions;
import cn.com.qmth.scancentral.service.AnswerCardService;
import cn.com.qmth.scancentral.service.BatchService;
import cn.com.qmth.scancentral.service.ExamService;
import cn.com.qmth.scancentral.service.ExamSummaryService;
import cn.com.qmth.scancentral.service.OmrGroupService;
import cn.com.qmth.scancentral.service.OmrTaskService;
import cn.com.qmth.scancentral.service.PackageCardService;
import cn.com.qmth.scancentral.service.PackageTaskService;
import cn.com.qmth.scancentral.service.StudentService;
import cn.com.qmth.scancentral.service.SubjectService;
import cn.com.qmth.scancentral.util.JsonMapper;
import cn.com.qmth.scancentral.util.MathUtil;
import cn.com.qmth.scancentral.util.PageUtil;
import cn.com.qmth.scancentral.vo.ExamConfigVo;
import cn.com.qmth.scancentral.vo.ExamVo;
import cn.com.qmth.scancentral.vo.auditor.AuditorOverview;
import cn.com.qmth.scancentral.vo.checkimage.RatioVo;
import cn.com.qmth.scancentral.vo.examinfo.ExamEdit;
import cn.com.qmth.scancentral.vo.examinfo.ExamOverview;
import cn.com.qmth.scancentral.vo.examinfo.ExamQuery;
import cn.com.qmth.scancentral.vo.omr.OmrTaskOverview;
import cn.com.qmth.scancentral.vo.scanexaminfo.ScanExamInfoVo;
import cn.com.qmth.scancentral.vo.scanexamlist.ScanExamListQuery;
import cn.com.qmth.scancentral.vo.scanexamlist.ScanExamListVo;
import cn.com.qmth.scancentral.vo.studentimport.StudentImportConfigVo;

@Service
public class ExamServiceImpl extends ServiceImpl<ExamDao, ExamEntity> implements ExamService {

    private static final Logger log = LoggerFactory.getLogger(ExamServiceImpl.class);

    @Autowired
    private AnswerCardService answerCardService;

    @Autowired
    private PackageCardService packageCardService;

    @Autowired
    private OmrTaskService omrTaskService;

    @Autowired
    private PackageTaskService packageTaskService;

    @Autowired
    private StudentService studentService;

    @Autowired
    private SubjectService subjectService;

    @Autowired
    private BatchService batchService;

    @Autowired
    private OmrGroupService omrGroupService;

    @Autowired
    private ExamSummaryService examSummaryService;

    @Override
    public PageResult<ExamVo> pageQuery(ExamQuery query, User user) {
        query.setEnable(true);
        IPage<ExamVo> iPage = this.baseMapper.pageExam(new Page<>(query.getPageNumber(), query.getPageSize()), query);
        return PageUtil.of(iPage);
    }

    @Override
    public List<ExamEntity> listEnable() {
        return list(new LambdaQueryWrapper<ExamEntity>().eq(ExamEntity::getEnable, true));
    }

    @Transactional
    @Override
    public Long save(ExamEdit exam) {
        if (StringUtils.isBlank(exam.getName())) {
            throw new ParameterException("考试名称不能为空");
        }
        if (StringUtils.length(exam.getName()) > 100) {
            throw new ParameterException("考试名称限制100字以内");
        }

        boolean isCreate = false;
        if (exam.getId() != null) {
            // 修改考试
            ExamEntity examEntity = this.getById(exam.getId());
            if (examEntity == null) {
                throw ParameterExceptions.EXAM_NOT_FOUND;
            }

            LambdaUpdateWrapper<ExamEntity> updateWrapper = new LambdaUpdateWrapper<>();
            updateWrapper.set(ExamEntity::getUpdateTime, System.currentTimeMillis());
            updateWrapper.set(ExamEntity::getUpdaterId, exam.getOperateUserId());
            updateWrapper.set(ExamEntity::getName, exam.getName());
            updateWrapper.eq(ExamEntity::getId, exam.getId());
            this.update(updateWrapper);

            return exam.getId();
        } else {
            isCreate = true;
        }

        // 新增考试
        ExamEntity examEntity = new ExamEntity();
        examEntity.setName(exam.getName());
        examEntity.setEnable(true);
        examEntity.setCreatorId(exam.getOperateUserId());
        examEntity.setUpdaterId(exam.getOperateUserId());
        examEntity.setCreateTime(System.currentTimeMillis());
        examEntity.setUpdateTime(System.currentTimeMillis());

        examEntity.setMode(ExamMode.CET);
        examEntity.setScanByPackage(true);
        examEntity.setAllowUnexistPaper(false);
        examEntity.setAnswerFrontCardType(1);
        examEntity.setEnableSinglePageAnswer(false);
        examEntity.setEnableUpload(false);
        examEntity.setEnableSyncVerify(true);
        examEntity.setImageTransferMode(ImageTransferMode.CET);
        examEntity.setImageCheckRatio(1d);
        // examEntity.setImageCheckOrder(null);
        // examEntity.setScannerAssignedMaxCount(null);
        // examEntity.setScannerAssignedVerifyPassword(null);
        // examEntity.setPaperTypeBarcodeContent(null);
        // examEntity.setAbsentBarcodeContent(null);
        // examEntity.setDataSyncTime(null);
        // examEntity.setCardSyncTime(null);
        // examEntity.setExamNumberFillCount(null);
        this.save(examEntity);
        if (isCreate) {
            subjectService.initSubject(examEntity.getId());
        }
        log.warn("新增考试成功! examId:{}", examEntity.getId());

        return examEntity.getId();
    }

    @Override
    public ExamOverview getExamOverview(Long examId, User accessUser) {
        ExamEntity exam = this.getById(examId);
        if (exam == null) {
            throw ParameterExceptions.EXAM_NOT_FOUND;
        }

        ExamOverview vo = new ExamOverview();
        vo.setId(examId);
        vo.setName(exam.getName());

        ExamSummaryEntity summary = examSummaryService.find(examId);
        vo.getBasic().setStudentCount(summary.getStudentCount());
        vo.getBasic().setSubjectCount(summary.getSubjectCount());
        vo.getBasic().setCardCount(answerCardService.getCountByExam(examId));

        int scannedTotalCount = summary.getAnswerScannedCount() + summary.getAnswerUnexistCount();
        double scannedRate = MathUtil.percentage(summary.getAnswerScannedCount(), scannedTotalCount);
        vo.getScan().setScannedRate(scannedRate);
        vo.getScan().setScannedCount(summary.getAnswerScannedCount());
        vo.getScan().setUnexistCount(summary.getAnswerUnexistCount());

        int imageCheckCount = batchService.getCheckCountByExamId(examId, CheckStatus.FINISH, accessUser);
        int imageCheckTodoCount = batchService.getCheckCountByExamId(examId, CheckStatus.WAITING, accessUser);
        int imageCheckTotalCount = imageCheckCount + imageCheckTodoCount;
        double imageCheckRate = MathUtil.percentage(imageCheckCount, imageCheckTotalCount);
        vo.getScan().setImageCheckRate(imageCheckRate);
        vo.getScan().setImageCheckCount(imageCheckCount);
        vo.getScan().setImageCheckTodoCount(imageCheckTodoCount);

        int auditorTodoCount = studentService.getCountByExamAndAssignedCheckCount(examId, null, 0, OP.EQ);
        int auditorFinishCount = studentService.getCountByExamAndAssignedCheckCount(examId, null, 0, OP.GT);
        int adminTodoCount = studentService.getCountByExamAndAssignedCheckCount(examId, null, 1, OP.EQ);
        int adminFinishCount = studentService.getCountByExamAndAssignedCheckCount(examId, null, 2, OP.GE);
        int auditorTotalCount = auditorTodoCount + auditorFinishCount;
        double auditorFinishRate = MathUtil.percentage(auditorFinishCount, auditorTotalCount);
        int adminTotalCount = adminTodoCount + adminFinishCount;
        double adminFinishRate = MathUtil.percentage(adminFinishCount, adminTotalCount);
        vo.getAssignedCheck().setAuditorTodoCount(auditorTodoCount);
        vo.getAssignedCheck().setAuditorFinishCount(auditorFinishCount);
        vo.getAssignedCheck().setAuditorFinishRate(auditorFinishRate);
        vo.getAssignedCheck().setAdminTodoCount(adminTodoCount);
        vo.getAssignedCheck().setAdminFinishCount(adminFinishCount);
        vo.getAssignedCheck().setAdminFinishRate(adminFinishRate);

        OmrTaskOverview suspectOverview = omrTaskService.countByExamIdAndFixed(examId, true);
        OmrTaskOverview customizeOverview = omrTaskService.countByExamIdAndFixed(examId, false);
        int suspectFinishCount = suspectOverview.getProcessedCount() + suspectOverview.getArbitrateCount();
        int suspectTodoCount = suspectOverview.getWaitingCount() + suspectOverview.getWaitArbitrateCount();
        double suspectFinishRate = MathUtil.percentage(suspectFinishCount, suspectOverview.getTotalCount());
        int customizeFinishCount = customizeOverview.getProcessedCount() + customizeOverview.getArbitrateCount();
        int customizeTodoCount = customizeOverview.getWaitingCount() + customizeOverview.getWaitArbitrateCount();
        double customizeFinishRate = MathUtil.percentage(customizeFinishCount, customizeOverview.getTotalCount());
        vo.getOmr().setSuspectFinishCount(suspectFinishCount);
        vo.getOmr().setSuspectTodoCount(suspectTodoCount);
        vo.getOmr().setSuspectFinishRate(suspectFinishRate);
        vo.getOmr().setCustomizeFinishCount(customizeFinishCount);
        vo.getOmr().setCustomizeTodoCount(customizeTodoCount);
        vo.getOmr().setCustomizeFinishRate(customizeFinishRate);

        int absentCount = studentService.countByExamIdAndExamStatus(examId, ExamStatus.ABSENT);
        int okCount = studentService.countByExamIdAndExamStatus(examId, ExamStatus.OK);
        int todoCount = studentService.countByExamIdAndExamStatus(examId, ExamStatus.UNCHECK);
        vo.getAbsentCheck().setAbsentCount(absentCount);
        vo.getAbsentCheck().setOkCount(okCount);
        vo.getAbsentCheck().setTodoCount(todoCount);

        return vo;
    }

    @Override
    public ScanExamInfoVo getScanExamInfo(Long id, User accessUser) {
        ExamEntity exam = this.getById(id);
        if (exam == null || (exam.getEnable() != null && !exam.getEnable())) {
            throw ParameterExceptions.EXAM_NOT_FOUND;
        }
        ExamSummaryEntity es = examSummaryService.find(exam.getId());
        ScanExamInfoVo vo = new ScanExamInfoVo();
        vo.setId(id);
        vo.setName(exam.getName());

        vo.getExamConfig().setAllowUnexistPaper(exam.getAllowUnexistPaper());
        vo.getExamConfig().setAnswerFrontCardType(exam.getAnswerFrontCardType());
        vo.getExamConfig().setImageTransferMode(exam.getImageTransferMode());
        vo.getExamConfig().setEnableSinglePageAnswer(exam.getEnableSinglePageAnswer());
        vo.getExamConfig().setMode(exam.getMode());
        vo.getExamConfig().setScanByPackage(exam.getScanByPackage());
        vo.getExamConfig().setEnableSyncVerify(exam.getEnableSyncVerify());
        vo.getExamConfig().setAbsentBarcodeContent(exam.getAbsentBarcodeContent());
        vo.getExamConfig().setPaperTypeBarcodeContent(exam.getPaperTypeBarcodeContent());
        vo.getExamConfig().setScannerAssignedMaxCount(exam.getScannerAssignedMaxCount());

        vo.getAnswerScan().setCardCount(answerCardService.getCountByExam(id));
        vo.getAnswerScan().setTotalCount(es.getStudentCount());
        vo.getAnswerScan().setScannedCount(es.getAnswerScannedCount());

        vo.getPackageScan().setCardCount(packageCardService.getCountByExam(id));
        vo.getPackageScan().setTotalCount(es.getPackageTotalCount());
        vo.getPackageScan().setScannedCount(es.getPackageScannedCount());

        vo.getOmrTask().setTodoCount(omrTaskService.getCountByExamAndStatus(id, TaskStatus.WAITING));
        vo.getOmrTask().setFinishCount(omrTaskService.getCountByExamAndStatus(id, TaskStatus.PROCESSED));

        vo.getPackageTask().setTodoCount(packageTaskService.getCountByExamAndStatus(id, TaskStatus.WAITING));
        vo.getPackageTask().setFinishCount(packageTaskService.getCountByExamAndStatus(id, TaskStatus.PROCESSED));

        vo.setSubjectConfig(subjectService.listConfigByExamId(id));

        return vo;
    }

    @Override
    public List<ScanExamListVo> getScanExamList() {
        ScanExamListQuery query = new ScanExamListQuery();
        query.setEnable(true);
        return this.baseMapper.getExamList(query);
    }

    @Override
    public ExamConfigVo getConfigInfo(Long examId) {
        ExamEntity exam = this.getById(examId);
        if (exam == null) {
            throw ParameterExceptions.EXAM_NOT_FOUND;
        }

        ExamConfigVo vo = new ExamConfigVo();
        vo.setExamId(exam.getId());
        vo.setPaperTypeBarcodeContent(exam.getPaperTypeBarcodeContent());
        vo.setImageCheckRatio(exam.getImageCheckRatio());
        vo.setImageCheckOrder(exam.getImageCheckOrder());
        vo.setEnableSyncVerify(exam.getEnableSyncVerify());
        vo.setScannerAssignedMaxCount(exam.getScannerAssignedMaxCount());
        vo.setScannerAssignedVerifyPassword(exam.getScannerAssignedVerifyPassword());
        return vo;
    }

    @Transactional
    @Override
    public void saveConfig(ExamConfigVo config, User user) {
        if (!Role.SCHOOL_ADMIN.equals(user.getRole())) {
            throw AuthorizationException.NO_PERMISSION;
        }

        ExamEntity exam = this.getById(config.getExamId());
        if (exam == null) {
            throw ParameterExceptions.EXAM_NOT_FOUND;
        }

        LambdaUpdateWrapper<ExamEntity> updateWrapper = Wrappers.lambdaUpdate(ExamEntity.class);
        if (config.getPaperTypeBarcodeContent() != null) {
            updateWrapper.setSql("paper_type_barcode_content = '"
                    + new JsonMapper().toJson(config.getPaperTypeBarcodeContent()) + "'");
        }
        if (config.getImageCheckRatio() != null) {
            updateWrapper.set(ExamEntity::getImageCheckRatio, config.getImageCheckRatio());
        }
        if (StringUtils.isNotBlank(config.getImageCheckOrder())) {
            updateWrapper.set(ExamEntity::getImageCheckOrder, config.getImageCheckOrder());
        }
        if (config.getEnableSyncVerify() != null) {
            updateWrapper.set(ExamEntity::getEnableSyncVerify, config.getEnableSyncVerify());
        }
        if (config.getScannerAssignedMaxCount() != null) {
            updateWrapper.set(ExamEntity::getScannerAssignedMaxCount, config.getScannerAssignedMaxCount());
        }
        if (StringUtils.isNotBlank(config.getScannerAssignedVerifyPassword())) {
            updateWrapper.set(ExamEntity::getScannerAssignedVerifyPassword, config.getScannerAssignedVerifyPassword());
        }

        updateWrapper.set(ExamEntity::getUpdateTime, System.currentTimeMillis());
        updateWrapper.set(ExamEntity::getUpdaterId, user.getId());
        updateWrapper.eq(ExamEntity::getId, config.getExamId());
        this.update(updateWrapper);

        if (config.getEnableSyncVerify() != null && !config.getEnableSyncVerify()) {
            // batchService.batchVerifyCancel(user, config.getExamId());
        }
    }

    @Override
    public StudentImportConfigVo getStudentImportConfig(Long examId) {
        if (examId == null) {
            throw new ParameterException("examId不能为空");
        }
        ExamEntity exam = this.getById(examId);
        if (exam == null) {
            throw ParameterExceptions.EXAM_NOT_FOUND;
        }

        StudentImportConfigVo config = new StudentImportConfigVo();
        config.setExamId(examId);
        config.setYear(exam.getYear());
        config.setYearHalf(exam.getYearHalf());
        return config;
    }

    @Override
    public void saveStudentImportConfig(StudentImportConfigVo config) {
        if (config.getExamId() == null) {
            throw new ParameterException("examId不能为空");
        }
        if (config.getYear() == null) {
            throw new ParameterException("考试年度不能为空");
        }
        if (config.getYearHalf() == null) {
            throw new ParameterException("考次不能为空");
        }
        ExamEntity exam = this.getById(config.getExamId());
        if (exam == null) {
            throw ParameterExceptions.EXAM_NOT_FOUND;
        }

        LambdaUpdateWrapper<ExamEntity> updateWrapper = new LambdaUpdateWrapper<>();
        updateWrapper.set(ExamEntity::getYear, config.getYear());
        updateWrapper.set(ExamEntity::getYearHalf, config.getYearHalf());
        updateWrapper.set(ExamEntity::getUpdateTime, System.currentTimeMillis());
        updateWrapper.eq(ExamEntity::getId, exam.getId());
        this.update(updateWrapper);
    }

    @Transactional
    @Override
    public ExamEntity save(ImportExamDomain domain) {
        // if (SystemMode.MARKINGCLOUD.equals(SystemMode.current())) {
        // throw new ParameterException("非本地模式不支持此功能");
        // }
        if (domain.getAllowUnexistPaper() == null) {
            throw new ParameterException("AllowUnexistPaper 不能为空");
        }
        if (domain.getEnableSinglePageAnswer() == null) {
            throw new ParameterException("EnableSinglePageAnswer 不能为空");
        }
        if (domain.getEnableSyncVerify() == null) {
            throw new ParameterException("EnableSyncVerify 不能为空");
        }
        if (domain.getScanByPackage() == null) {
            throw new ParameterException("ScanByPackage 不能为空");
        }
        if (domain.getAbsentBarcodeContent() == null) {
            throw new ParameterException("AbsentBarcodeContent 不能为空");
        }
        if (domain.getAnswerFrontCardType() == null) {
            throw new ParameterException("AnswerFrontCardType 不能为空");
        }
        if (domain.getImageTransferMode() == null) {
            domain.setImageTransferMode(ImageTransferMode.OFF);
            // throw new ParameterException("ImageTransferMode 不能为空");
        }
        if (domain.getMode() == null) {
            throw new ParameterException("ExamMode 不能为空");
        }
        if (domain.getPaperTypeBarcodeContent() == null) {
            throw new ParameterException("PaperTypeBarcodeContent 不能为空");
        }
        if (domain.getExamNumberFillCount() == null) {
            throw new ParameterException("ExamNumberFillCount 不能为空");
        }
        ExamEntity exam = new ExamEntity();
        exam.setId(domain.getId());
        exam.setName(domain.getName());
        exam.setEnable(true);
        exam.setEnableUpload(false);
        exam.setImageCheckRatio(0d);
        exam.setAllowUnexistPaper(domain.getAllowUnexistPaper());
        exam.setEnableSinglePageAnswer(domain.getEnableSinglePageAnswer());
        exam.setEnableSyncVerify(domain.getEnableSyncVerify());
        exam.setScanByPackage(domain.getScanByPackage());
        exam.setAbsentBarcodeContent(domain.getAbsentBarcodeContent());
        exam.setAnswerFrontCardType(domain.getAnswerFrontCardType());
        exam.setImageTransferMode(domain.getImageTransferMode());
        exam.setMode(domain.getMode());
        exam.setPaperTypeBarcodeContent(domain.getPaperTypeBarcodeContent());
        if (getById(domain.getId()) == null) {
            List<SubjectEntity> subjects = subjectService.listByExamId(exam.getId());
            for (SubjectEntity subject : subjects) {
                omrGroupService.addFixOmrCondition(1L, exam.getId(), subject.getCode());
            }
        }
        exam.setExamNumberFillCount(domain.getExamNumberFillCount());
        this.saveOrUpdate(exam);
        return exam;
    }

    @Override
    public RatioVo updateRatio(Long examId, Double ratio) {
        if (ratio == null || ratio < 0 || ratio > 1) {
            throw new ParameterException("ratio 不符合");
        }
        ExamEntity exam = this.getById(examId);
        if (exam == null) {
            throw new ParameterException("Exam 不能为空");
        }
        exam.setImageCheckRatio(ratio);
        this.updateById(exam);
        return new RatioVo(ratio);
    }

    @Transactional
    @Override
    public void updateDataSyncTime(Long examId) {
        ExamEntity exam = this.getById(examId);
        if (exam == null) {
            throw new ParameterException("Exam 不能为空");
        }
        exam.setDataSyncTime(System.currentTimeMillis());
        this.updateById(exam);

    }

    @Transactional
    @Override
    public void updateCardSyncTime(Long examId) {
        ExamEntity exam = this.getById(examId);
        if (exam == null) {
            throw new ParameterException("Exam 不能为空");
        }
        exam.setCardSyncTime(System.currentTimeMillis());
        this.updateById(exam);

    }

    @Override
    public void updateExamNumberFillCount(Long examId, Integer examNumberFillCount) {
        ExamEntity exam = this.getById(examId);
        if (exam == null) {
            throw new ParameterException("Exam 不能为空");
        }
        exam.setExamNumberFillCount(examNumberFillCount);
        this.updateById(exam);
    }

    @Override
    @Transactional
    public ExamEntity updateEnableSyncVerify(User user, Long examId, Boolean enableSyncVerify) {
        ExamEntity exam = this.getById(examId);
        if (exam == null) {
            throw ParameterExceptions.EXAM_NOT_FOUND;
        }
        if (enableSyncVerify == false) {
            batchService.batchVerifyCancel(user, examId);
        }
        exam.setEnableSyncVerify(enableSyncVerify);
        this.saveOrUpdate(exam);
        return exam;
    }

    @Override
    public AuditorOverview getAuditorOverview(Long examId, User user) {
        if (!user.getRole().equals(Role.AUDITOR)) {
            throw new ParameterException("user 不是审核员");
        }
        ExamEntity exam = this.getById(examId);
        if (exam == null) {
            throw ParameterExceptions.EXAM_NOT_FOUND;
        }
        AuditorOverview vo = new AuditorOverview();
        vo.setId(examId);
        vo.setName(exam.getName());

        vo.getVerifyTask().setTodoCount(batchService.getVerifyCount(examId));

        vo.getImageCheckTask().setCheckRatio(exam.getImageCheckRatio());
        vo.getImageCheckTask().setFinishCount(batchService.getCheckCountByExamId(examId, CheckStatus.FINISH, user));
        vo.getImageCheckTask().setTodoCount(batchService.getCheckCountByExamId(examId, CheckStatus.WAITING, user));

        vo.getAssignedCheck().setTodoCount(studentService.getCountByExamAndAssignedCheckCount(examId, null, 0, OP.EQ));
        return vo;
    }

    @Transactional
    @Override
    public void scanSiteSave(Long examId, String scanStie) {
        LambdaUpdateWrapper<ExamEntity> updateWrapper = new LambdaUpdateWrapper<>();
        updateWrapper.set(ExamEntity::getScanSite, scanStie);
        updateWrapper.eq(ExamEntity::getId, examId);
        this.update(updateWrapper);
    }

    @Override
    public String getScanSite(Long examId) {
        return this.getById(examId).getScanSite();
    }

}