package cn.cetc54.platform.base.serviceimpl;
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import cn.cetc54.platform.base.dao.DictDataDao;
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import cn.cetc54.platform.base.entity.DictData;
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import cn.cetc54.platform.base.service.DictDataService;
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import cn.cetc54.platform.core.common.constant.CommonConstant;
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import cn.hutool.core.util.StrUtil;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.data.domain.Page;
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import org.springframework.data.domain.Pageable;
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import org.springframework.data.jpa.domain.Specification;
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import org.springframework.lang.Nullable;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import javax.persistence.criteria.*;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* 字典数据接口实现
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* @author Exrick
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*/
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@Slf4j
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@Service
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@Transactional
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public class DictDataServiceImpl implements DictDataService {
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@Autowired
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private DictDataDao dictDataDao;
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@Override
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public DictDataDao getRepository() {
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return dictDataDao;
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}
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@Override
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public Page<DictData> findByCondition(DictData dictData, Pageable pageable) {
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return dictDataDao.findAll(new Specification<DictData>() {
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@Nullable
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@Override
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public Predicate toPredicate(Root<DictData> root, CriteriaQuery<?> cq, CriteriaBuilder cb) {
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Path<String> titleField = root.get("title");
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Path<Integer> statusField = root.get("status");
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Path<String> dictIdField = root.get("dictId");
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List<Predicate> list = new ArrayList<Predicate>();
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//模糊搜素
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if(StrUtil.isNotBlank(dictData.getTitle())){
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list.add(cb.like(titleField,'%'+dictData.getTitle()+'%'));
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}
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//状态
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if(dictData.getStatus()!=null){
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list.add(cb.equal(statusField, dictData.getStatus()));
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}
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//所属字典
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if(StrUtil.isNotBlank(dictData.getDictId())){
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list.add(cb.equal(dictIdField, dictData.getDictId()));
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}
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Predicate[] arr = new Predicate[list.size()];
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cq.where(list.toArray(arr));
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return null;
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}
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}, pageable);
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}
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@Override
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public List<DictData> findByDictId(String dictId) {
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return dictDataDao.findByDictIdAndStatusOrderBySortOrder(dictId, CommonConstant.STATUS_NORMAL);
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}
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@Override
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public void deleteByDictId(String dictId) {
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dictDataDao.deleteByDictId(dictId);
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}
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}
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