钥匙柜信息处理

rk

2 天以前 28dd6b113143fa4d60aabee1d99caac37d25da42

 server/visits/dmvisit_service/src/main/java/com/doumee/service/business/impl/CarsServiceImpl.java

@@ -7,21 +7,21 @@
import com.doumee.core.annotation.excel.ExcelImporter;
import com.doumee.core.constants.ResponseStatus;
import com.doumee.core.exception.BusinessException;
import com.doumee.core.model.LoginUserInfo;
import com.doumee.core.model.PageData;
import com.doumee.core.model.PageWrap;
import com.doumee.service.business.third.model.LoginUserInfo;
import com.doumee.service.business.third.model.PageData;
import com.doumee.service.business.third.model.PageWrap;
import com.doumee.core.utils.Constants;
import com.doumee.core.utils.ScientificNotationTUtil;
import com.doumee.core.utils.Utils;
import com.doumee.dao.admin.request.CarsImport;
import com.doumee.dao.admin.request.CarsQuery;
import com.doumee.dao.admin.request.MemberImport;
import com.doumee.dao.admin.response.CarsDTO;
import com.doumee.dao.business.CarsMapper;
import com.doumee.dao.business.MemberMapper;
import com.doumee.dao.business.*;
import com.doumee.dao.business.dao.CompanyMapper;
import com.doumee.dao.business.dao.MemberMapper;
import com.doumee.dao.business.join.CarJoinMapper;
import com.doumee.dao.business.join.ParkBookJoinMapper;
import com.doumee.dao.business.model.*;
import com.doumee.dao.business.model.Member;
import com.doumee.dao.system.model.SystemUser;
import com.doumee.service.business.CarsService;
import com.doumee.service.business.impl.hksync.HkSyncParkServiceImpl;
@@ -30,12 +30,15 @@
import org.apache.shiro.SecurityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.CollectionUtils;
import org.springframework.web.multipart.MultipartFile;

import java.math.BigDecimal;
import java.util.*;
import java.util.concurrent.TimeUnit;

/**
 * 车辆信息表Service实现
@@ -53,10 +56,16 @@
    @Autowired
    private CarJoinMapper carJoinMapper;
    @Autowired
    private CompanyMapper companyMapper;
    @Autowired
    private CategoryMapper categoryMapper;
    @Autowired
    private MemberMapper memberMapper;

    @Autowired
    private ParkBookJoinMapper parkBookJoinMapper;
    private ParkBookMapper parkBookJoinMapper;
    @Autowired
    private ParksMapper parksMapper;

    @Override
    public Integer create(Cars model) {
@@ -64,14 +73,14 @@
        if(loginUserInfo == null){
            loginUserInfo = model.getLoginUserInfo();
        }
        if(StringUtils.isBlank(model.getCode())
    /*    if(StringUtils.isBlank(model.getCode())
            ||model.getType()==null
            ||model.getCateId()==null
            ||model.getType()<0
            ||model.getType()>3
        ){
            throw  new BusinessException(ResponseStatus.BAD_REQUEST);
        }
        }*/

        if(model.getMemberId()!=null){
            //检查车主信息
@@ -100,9 +109,9 @@
        model.setCreateDate(new Date());
        model.setCreator(loginUserInfo.getId());
        model.setEditDate(new Date());
        model.setIsdeleted(Constants.ZERO);
        model.setEdirot(loginUserInfo.getId());
        model.setStatus(Constants.ZERO);
        model.setIsdeleted(Constants.ZERO);
        model.setHkStatus(Constants.ZERO);
        model.setAuthStatus(Constants.ZERO);
        model.setRemark("");
@@ -123,24 +132,25 @@
        }
        Date date = new Date();
        //删除已授权下发的包期授权
        dealCancelBookBiz(car.getCode(),date);
        Cars model = new Cars();
        model.setEditDate(date);
        model.setEdirot(user.getId());
        model.setId(id);
        model.setIsdeleted(Constants.ONE);
        dealCancelBookBiz(car.getCode(),date,parkBookJoinMapper);
//        Cars model = new Cars();
//        model.setEditDate(date);
//        model.setEdirot(user.getId());
//        model.setId(id);
//        model.setIsdeleted(Constants.ONE);
        carsMapper.update(null,new UpdateWrapper<Cars>().lambda()
                .eq(Cars::getId,model.getId())
                .eq(Cars::getId,id)
                .set(Cars::getStartTime,null)
                .set(Cars::getEndTime,null)
                .set(Cars::getAuthTimeType,null)
                .set(Cars::getAuthStatus,Constants.ZERO)
                .set(Cars::getIsdeleted,Constants.ONE)
                .set(Cars::getEditDate,model.getEditDate())
                .set(Cars::getEdirot,model.getEdirot())
                .set(Cars::getEditDate,date)
                .set(Cars::getEdirot,user.getId())
        );
        carsMapper.updateById(model);
//        carsMapper.updateById(model);
    }
    public   boolean  dealCancelBookBiz(String code,Date date){
    public static    boolean  dealCancelBookBiz(String code,Date date,ParkBookMapper parkBookJoinMapper){

        List<ParkBook> parkBooks = parkBookJoinMapper.selectJoinList(ParkBook.class,new MPJLambdaWrapper<ParkBook>()
                .selectAll(ParkBook.class )
@@ -170,7 +180,72 @@
        }
        return true;
    }
    public   boolean  dealCancelBookBizNoException(String code,Date date){

        boolean r = true;
        List<ParkBook> parkBooks = parkBookJoinMapper.selectJoinList(ParkBook.class,new MPJLambdaWrapper<ParkBook>()
                .selectAll(ParkBook.class )
                .selectAs(Parks::getHkId,ParkBook::getParkHkId )
                .leftJoin(Parks.class,Parks::getId,ParkBook::getParkId)
                .eq(ParkBook::getCarCode,code)
                .eq(ParkBook::getIsdeleted,Constants.ZERO ));
        if(parkBooks !=null){
            for(ParkBook c : parkBooks){
                //如果取消预约，则进行取消包期
                if(StringUtils.isNotBlank(c.getParkHkId())
                        && StringUtils.isNotBlank(c.getCarCode())){
                    boolean result = HkSyncParkServiceImpl.cancelParkBookHk(c);
                    if(!result){
                        r=  false;
                        c.setHkStatus(Constants.ONE);
                        c.setRemark("取消包期失败");
                    }else{
                        c.setHkStatus(Constants.ONE);
                        c.setRemark("取消包期成功");
                    }
                }else{
                    c.setHkStatus(Constants.TWO);//下发失败
                    c.setRemark("无效停车场授权下发，取消包期失败，直接删除记录");
                }
                if(r){
                    c.setHkDate(date);
                    c.setIsdeleted(Constants.ONE);
                    parkBookJoinMapper.updateById(c);
                }
            }
        }
        return r;
    }
    @Override
    @Async
    public  void dealCarsAuthBiz(List<Cars> carsList){
        if(carsList== null || carsList.size() == 0 ){
            return;
        }
        Date date = new Date();
        MPJLambdaWrapper<Parks> queryWrapper1 = new MPJLambdaWrapper<>();
        queryWrapper1.selectAll(Parks.class);
        queryWrapper1.eq(Parks::getIsdeleted,Constants.ZERO );
        List<Parks>  parksList = parksMapper.selectList( queryWrapper1);
        if(parksList==null ||parksList.size() == 0){
            return;
        }
        for(Cars model : carsList){
            model.setAuthTimeType(Constants.ZERO);
            model.setStartTime(null);
            model.setEndTime(null);
            ParkBookServiceImpl.dealCarAuthByModel(model,model.getEdirot(),parksList,date,parkBookJoinMapper);
            model.setAuthStatus(Constants.ONE);//已授权
            carsMapper.update(null,new UpdateWrapper<Cars>().lambda()
                    .eq(Cars::getId,model.getId())
                    .set(Cars::getEditDate,date)
                    .set(Cars::getEdirot,model.getEdirot())
                    .set(Cars::getAuthStatus,Constants.ONE)
                    .set(Cars::getStartTime,null)
                    .set(Cars::getEndTime,null)
            );
        }
    }
    @Override
    public void delete(Cars cars) {
        UpdateWrapper<Cars> deleteWrapper = new UpdateWrapper<>(cars);
@@ -194,7 +269,7 @@
        if(loginUserInfo == null){
            loginUserInfo = model.getLoginUserInfo();
        }
        if(StringUtils.isBlank(model.getCode())
       /* if(StringUtils.isBlank(model.getCode())
                ||model.getId()==null
                ||model.getType()==null
                ||model.getCateId()==null
@@ -202,7 +277,7 @@
                ||model.getType()>3
        ){
            throw  new BusinessException(ResponseStatus.BAD_REQUEST);
        }
        }*/
        Cars car = carJoinMapper.selectById(model.getId());
        if(car ==null ||Constants.equalsInteger(car.getIsdeleted(),Constants.ONE)){
            throw  new BusinessException(ResponseStatus.DATA_EMPTY.getCode(),"对不起，车辆信息不存在！");
@@ -237,7 +312,7 @@
        model.setHkStatus(Constants.ZERO);
        model.setRemark("");
        model.setAuthStatus(Constants.ZERO);
        dealCancelBookBiz(car.getCode(),model.getEditDate());
        dealCancelBookBiz(car.getCode(),model.getEditDate(),parkBookJoinMapper);
        carsMapper.update(null,new UpdateWrapper<Cars>().lambda()
                .eq(Cars::getId,model.getId())
                .set(Cars::getAuthStatus,Constants.ZERO)
@@ -248,6 +323,7 @@
                .set(Cars::getEditDate,model.getEditDate())
                .set(Cars::getEdirot,model.getEdirot())
                .set(Cars::getMemberId,model.getMemberId())
                .set(Cars::getAuthTimeType,null)
                .set(Cars::getStartTime,null)
                .set(Cars::getEndTime,null)
        );
@@ -280,10 +356,26 @@

    @Override
    public List<Cars> findList(Cars cars) {
        if(Objects.nonNull(cars) && Objects.nonNull(cars.getType())
        && Constants.equalsInteger(Constants.ZERO,cars.getType())){
            return this.getGwCar();
        }
        cars.setType(null);
        QueryWrapper<Cars> wrapper = new QueryWrapper<>(cars);
        wrapper.lambda().eq(Cars::getIsdeleted,Constants.ZERO);
        return carsMapper.selectList(wrapper);
    }

    public List<Cars> getGwCar(){
        List<Cars> list  = carsMapper.selectJoinList(Cars.class,
                new MPJLambdaWrapper<Cars>().selectAll(Cars.class)
                        .leftJoin(Category.class,Category::getId,Cars::getCateId)
                        .eq(Category::getBizType,Constants.FOUR)
                        .eq(Cars::getIsdeleted,Constants.ZERO)
        );
        return list;
    }


    @Override
    public PageData<Cars> findPage(PageWrap<Cars> pageWrap) {
@@ -292,8 +384,11 @@
        queryWrapper.selectAll(Cars.class);
        queryWrapper.selectAs(Member::getType,Cars::getMemberType);
        queryWrapper.selectAs(Member::getName,Cars::getMemberName);
        queryWrapper.selectAs(Member::getIsdeleted,Cars::getMemberDeleted);
        queryWrapper.selectAs(SystemUser::getRealname,Cars::getEditorName);
        queryWrapper.selectAs(Member::getPhone,Cars::getMemberPhone);
        queryWrapper.selectAs(Member::getSex,Cars::getMemberSex);
        queryWrapper.selectAs(Member::getIdcardDecode,Cars::getMemberCard);
        queryWrapper.selectAs(Company::getCompanyNamePath,Cars::getCompanyName);
        queryWrapper.selectAs(Category::getParentId,Cars::getCatePId);
        queryWrapper.selectAs(Category::getName,Cars::getCateName);
@@ -310,6 +405,7 @@
                .or().like(Member::getPhone,pageWrap.getModel().getMemberName()));
        queryWrapper.like(StringUtils.isNotBlank(pageWrap.getModel().getCompanyName()),Company::getCompanyNamePath,pageWrap.getModel().getCompanyName());
        queryWrapper.eq(Objects.nonNull(pageWrap.getModel().getMemberType()),Member::getType,pageWrap.getModel().getMemberType());
        queryWrapper.eq(Objects.nonNull(pageWrap.getModel().getCateId()),Category::getId,pageWrap.getModel().getCateId());
        queryWrapper.eq(Objects.nonNull(pageWrap.getModel().getCatePId()),Category::getParentId,pageWrap.getModel().getCatePId());
        queryWrapper.like(StringUtils.isNotBlank(pageWrap.getModel().getCode()),Cars::getCode,pageWrap.getModel().getCode());
        queryWrapper.eq(Cars::getIsdeleted,Constants.ZERO);
@@ -341,22 +437,31 @@
                    .in(ParkBook::getCarCode,codes)
                    .eq(ParkBook::getIsdeleted,Constants.ZERO) );
            for(Cars cars :result.getRecords()){
               cars.setParkBookList(getParkbookListByCode(cars.getCode(),parkBooks));
                if(StringUtils.isNotBlank(cars.getCateName())){
                    cars.setGroupCateName(StringUtils.defaultString(cars.getCatePName(),"") + "/" + StringUtils.defaultString(cars.getCateName(),""));
                }
               cars.setParkBookList(getParkbookListByCode(cars,parkBooks));
                if(Constants.equalsInteger(cars.getMemberDeleted(),Constants.ONE)){
                    cars.setMemberId(null);
                }
            }
        }
        return PageData.from(result);
    }

    private List<ParkBook> getParkbookListByCode(String code, List<ParkBook> parkBooks) {
    private List<ParkBook> getParkbookListByCode(Cars car, List<ParkBook> parkBooks) {
        List<ParkBook> list =null;
        String name = "";
        for(ParkBook p : parkBooks){
            if(StringUtils.equals(p.getCarCode(),code)){
            if(StringUtils.equals(p.getCarCode(),car.getCode())){
                if(list == null){
                    list = new ArrayList<>();
                }
                name += p.getParksName();
                list.add(p);
            }
        }
        car.setParksName(name);
        return  list;
    }

@@ -376,6 +481,7 @@
                .leftJoin(Parks.class,Parks::getId,ParkBook::getParkId);
        wrapper.selectAs(ParkBook::getCarCode,CarsDTO::getCode)
                .selectAs(ParkBook::getParkId,CarsDTO::getParkId)
                .selectAs(Member::getIsdeleted,CarsDTO::getMemberDeleted)
                .selectAs(ParkBook::getRemark,CarsDTO::getRemark)
                .selectAs(Parks::getName,CarsDTO::getParkName)
                .selectAs(ParkBook::getMemberId,CarsDTO::getMemberId)
@@ -388,23 +494,29 @@
                .selectAs(ParkBook::getCreateDate,CarsDTO::getCreateDate);
        wrapper.orderByDesc(ParkBook::getCreateDate);
        IPage<CarsDTO> carsDTOIPage = parkBookJoinMapper.selectJoinPage(page, CarsDTO.class, wrapper);

        if(carsDTOIPage!=null && carsDTOIPage.getRecords()!=null && carsDTOIPage.getRecords().size()>0){
            for(CarsDTO cars :carsDTOIPage.getRecords()){
                if(Constants.equalsInteger(cars.getMemberDeleted(),Constants.ONE)){
                    cars.setMemberId(null);
                }
            }
        }
        return PageData.from(carsDTOIPage);
    }

    @Override
    @Transactional(rollbackFor = {BusinessException.class,Exception.class})
    public String importBatch(MultipartFile file,  LoginUserInfo loginUserInfo){
    public List<Cars> importBatch(MultipartFile file,  LoginUserInfo loginUserInfo){
        Boolean importing = (Boolean) redisTemplate.opsForValue().get(Constants.RedisKeys.IMPORTING_CARS);
        if(importing!=null && importing){
            throw new BusinessException(ResponseStatus.BAD_REQUEST.getCode(),"对不起，已存在车辆导入任务正在执行中，请稍后再试！");
        }
        redisTemplate.opsForValue().set(Constants.RedisKeys.IMPORTING_CARS,true);
        redisTemplate.opsForValue().set(Constants.RedisKeys.IMPORTING_CARS,true,30, TimeUnit.MINUTES);
        try {
            ExcelImporter ie = null;
            List<CarsImport> dataList =null;
            try {
                ie = new ExcelImporter(file,1,0);
                ie = new ExcelImporter(file,0,0);
                dataList = ie.getDataList(CarsImport.class,null);
            }  catch (Exception e) {
                e.printStackTrace();
@@ -412,38 +524,191 @@
            if(dataList == null || dataList.size() ==0){
                throw new BusinessException(ResponseStatus.BAD_REQUEST.getCode(),"对不起，录入数据为空！");
            }
            List<Cars> list =  carJoinMapper.selectJoinList(Cars.class,new MPJLambdaWrapper<Cars>()
            List<Cars> allCarsList =  carJoinMapper.selectJoinList(Cars.class,new MPJLambdaWrapper<Cars>()
                    .selectAll(Cars.class)
                    .eq(Cars::getIsdeleted,Constants.ZERO)
            );
            List<Member> memberList  = memberMapper.selectList(new QueryWrapper<Member>().lambda()
            List<Company> companyList =  companyMapper.selectJoinList(Company.class,new MPJLambdaWrapper<Company>()
                    .selectAll(Company.class)
                    .eq(Company::getIsdeleted,Constants.ZERO)
            );
            List<Category> categoryList  = categoryMapper.selectList(new QueryWrapper<Category>().lambda()
                    .eq(Category::getType,Constants.ONE)
                    .eq(Category::getIsdeleted,Constants.ZERO));

            List<Member> memberList  = memberMapper.selectJoinList(Member.class,new MPJLambdaWrapper<Member>()
                    .leftJoin(Company.class,Company::getId,Member::getCompanyId)
                    .selectAll(Member.class)
                    .selectAs(Company::getCompanyNamePath,Member::getCompanyNamePath)
                    .eq(Member::getType,Constants.TWO)
                    .eq(Member::getIsdeleted,Constants.ZERO));
            List<Cars> newList = new ArrayList<>();
            List<Cars> updateList = new ArrayList<>();
            for(int i=0;i<dataList.size();i++){
                CarsImport model = dataList.get(i);
                model.setPhone(ScientificNotationTUtil.convertToString(model.getPhone()));
               /* if(StringUtils.isBlank(model.getCode())
                        &&StringUtils.isBlank(model.getIdcardNo())
               if(StringUtils.isBlank(model.getCode())
                        &&StringUtils.isBlank(model.getCategoryName())
//                        &&StringUtils.isBlank(model.getType())
                        &&StringUtils.isBlank(model.getSex())
                        &&StringUtils.isBlank(model.getIdcard())
                        &&StringUtils.isBlank(model.getParkName())
                        &&StringUtils.isBlank(model.getPhone())
                        &&StringUtils.isBlank(model.getMemberName())
                        &&StringUtils.isBlank(model.getCompanyName())){
                    continue;
                }
                Cars car = checkModelParam(model,newList,i,loginUserInfo,list,companyList,);
                newList.add(car);*/
               checkModelParam(model,newList,updateList,i,loginUserInfo,allCarsList,memberList,companyList,categoryList);
            }
            if(newList == null || newList.size() ==0){
            if((newList == null || newList.size() ==0) && updateList.size() == 0){
                throw new BusinessException(ResponseStatus.BAD_REQUEST.getCode(),"对不起，录入有效数据为空！");
            }
//          dealHkUserBizBatch(newList);
            return "导入成功";
            if(newList.size()>0){
                carsMapper.insert(newList);
            }
            if(updateList.size()>0){
                for (Cars c : updateList){
                    carsMapper.updateById(c);
                }
            }
            newList.addAll(updateList);
            return newList;
        }catch (BusinessException e){
            throw e;
        }catch (Exception e){
            e.printStackTrace();
            throw  new BusinessException(ResponseStatus.SERVER_ERROR.getCode(),"车辆信息导入失败，请稍后重试");
        }finally {
            redisTemplate.delete(Constants.RedisKeys.IMPORTING_CARS);
        }

    }


    private Cars checkModelParam(CarsImport model, List<Cars> newList
            , List<Cars> updateList
            ,int index
            ,LoginUserInfo loginUserInfo
            ,List<Cars> allList
            ,List<Member> memberList
            ,List<Company> companyList
            ,List<Category> categoryList ) {
        if(StringUtils.isBlank(model.getCode())
//                ||StringUtils.isBlank(model.getType())
                ||StringUtils.isBlank(model.getCategoryName())
                ||StringUtils.isBlank(model.getCompanyName())){
            throw  new BusinessException(ResponseStatus.BAD_REQUEST.getCode(),"对不起，第"+(index+2)+"行车辆信息不完整，请检查表格内容！");
        }
        if(model.getPhone().indexOf(".")>=Constants.ZERO){
            model.setPhone(
                    String.valueOf(new BigDecimal(model.getPhone()).intValue())
            );
        }
        for(Cars param: newList){
            if(StringUtils.isNotBlank(model.getCode())&&StringUtils.isNotBlank(param.getCode())) {
                if (StringUtils.equals(model.getCode(), param.getCode())) {
                    throw new BusinessException(ResponseStatus.BAD_REQUEST.getCode(), "对不起，第" + (index + 3) + "行车牌号【" + model.getCode() + "】重复出现，请检查表格内容！");
                }
            }
        }
        Cars cars = findCarsFromList(model.getCode(),allList);
        if(cars == null){
            cars = new Cars();
            cars.setCreator(loginUserInfo.getId());
            cars.setCreateDate(new Date());
            cars.setIsnew(Constants.ONE);
            newList.add(cars);
        }else{
            cars.setIsnew(Constants.ZERO);
            updateList.add(cars);
        }
      /*  //类型 0安泰公务车 1安泰自有物流车 2其它
        if(StringUtils.equals(model.getType(),"安泰公务车")){
            cars.setType(Constants.ZERO);
        }else if(StringUtils.equals(model.getType(),"安泰自有物流车")){
            cars.setType(Constants.ONE);
        }else{
            cars.setType(Constants.TWO);
        }*/
        cars.setCode(model.getCode());
        Company company = findCompanyFromList(model.getCompanyName(),companyList);
        if(company == null){
            throw  new BusinessException(ResponseStatus.BAD_REQUEST.getCode(),"对不起，第"+(index+2)+"行组织名称【"+model.getCompanyName()+"】不存在，请检查表格内容！");
        }
        if(StringUtils.isNotBlank(model.getPhone())){
            Member member = findMemberFromListByPhone(model.getPhone(),memberList);
            if(member == null){
                throw  new BusinessException(ResponseStatus.BAD_REQUEST.getCode(),"对不起，第"+(index+2)+"行车主手机号【"+model.getPhone()+"】不存在，请检查表格内容！");
            }
            cars.setMember(member);
            cars.setMemberId(member.getId());
        }
        Category category = findCategoryFromListByName(model.getCategoryName(),categoryList);
        if(category == null){
            throw  new BusinessException(ResponseStatus.BAD_REQUEST.getCode(),"对不起，第"+(index+2)+"行车辆分类【"+model.getCategoryName()+"】不存在，请检查表格内容！");
        }
        cars.setGroupId(company.getId());
        cars.setCateId(category.getId());
        cars.setEditDate(new Date());
        cars.setEdirot(loginUserInfo.getId());
        cars.setIsdeleted(Constants.ZERO);
        return cars;
    }
    private Company findCompanyFromList(String companyName, List<Company> companyList) {
        if(companyList !=null){
            for(Company company : companyList){
                if(StringUtils.equals(companyName,company.getCompanyNamePath())){
                    return  company;
                }
            }
        }
        return null;
    }
    private Cars findCarsFromList(String code, List<Cars> list) {
        if(list !=null){
            for(Cars model : list){
                if(StringUtils.equals(code,model.getCode())){
                    return  model;
                }
            }
        }
        return null;
    }
    private Member findMemberFromListByPhone(String phone, List<Member> list) {
        if(list !=null){
            for(Member member : list){
                if(StringUtils.equals(phone,member.getPhone())){
                    return  member;
                }
            }
        }
        return null;
    }
    private Category findCategoryFromListByName(String name, List<Category> list) {
        String[] names = name.split("/");
        if(names ==null || names.length !=2 ){
            return null;
        }
        Category pc = null;
        if(list !=null){
            for(Category model : list){
                if(StringUtils.equals(names[0],model.getName()) && model.getParentId() ==null){
                    pc = model;
                    break;
                }
            }
            if(pc ==null){
                return null;
            }
            for(Category model : list){
                if(StringUtils.equals(names[1],model.getName()) && Constants.equalsInteger(model.getParentId() ,pc.getId())){
                    pc = model;
                }
            }
            return  pc;
        }
        return null;
    }


}