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2025-04-15 e718afd02965c6a4018506acb1ae99baca0c5645

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package com.oying.modules.system.service.impl;
 
import cn.hutool.core.collection.CollectionUtil;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.oying.modules.system.domain.Dict;
import com.oying.modules.system.domain.DictDetail;
import com.oying.modules.system.domain.dto.DictQueryCriteria;
import com.oying.modules.system.mapper.DictDetailMapper;
import com.oying.modules.system.mapper.DictMapper;
import com.oying.utils.*;
import lombok.RequiredArgsConstructor;
import com.oying.modules.system.service.DictService;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.*;
 
/**
* @author Z
* @date 2019-04-10
*/
@Service
@RequiredArgsConstructor
public class DictServiceImpl extends ServiceImpl<DictMapper, Dict> implements DictService {
 
    private final DictMapper dictMapper;
    private final RedisUtils redisUtils;
    private final DictDetailMapper deleteDetail;
    private final DictDetailMapper dictDetailMapper;
 
    @Override
    public PageResult<Dict> queryAll(DictQueryCriteria criteria, Page<Object> page){
        IPage<Dict> dicts = dictMapper.findAll(criteria, page);
        return PageUtil.toPage(dicts);
    }
 
    @Override
    public List<Dict> queryAll(DictQueryCriteria criteria) {
        return dictMapper.findAll(criteria);
    }
 
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void create(Dict resources) {
        save(resources);
    }
 
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void update(Dict resources) {
        // 清理缓存
        delCaches(resources);
        Dict dict = getById(resources.getId());
        dict.setName(resources.getName());
        dict.setDescription(resources.getDescription());
        saveOrUpdate(dict);
    }
 
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void delete(Set<Long> ids) {
        // 清理缓存
        List<Dict> dicts = dictMapper.selectBatchIds(ids);
        for (Dict dict : dicts) {
            delCaches(dict);
        }
        // 删除字典
        dictMapper.deleteBatchIds(ids);
        // 删除字典详情
        deleteDetail.deleteByDictBatchIds(ids);
    }
 
    @Override
    public void download(List<Dict> dicts, HttpServletResponse response) throws IOException {
        List<Map<String, Object>> list = new ArrayList<>();
        for (Dict dict : dicts) {
            List<DictDetail> dictDetails = dictDetailMapper.findByDictName(dict.getName());
            if(CollectionUtil.isNotEmpty(dictDetails)){
                for (DictDetail dictDetail : dictDetails) {
                    Map<String,Object> map = new LinkedHashMap<>();
                    map.put("字典名称", dict.getName());
                    map.put("字典描述", dict.getDescription());
                    map.put("字典标签", dictDetail.getLabel());
                    map.put("字典值", dictDetail.getValue());
                    map.put("创建日期", dictDetail.getCreateTime());
                    list.add(map);
                }
            } else {
                Map<String,Object> map = new LinkedHashMap<>();
                map.put("字典名称", dict.getName());
                map.put("字典描述", dict.getDescription());
                map.put("字典标签", null);
                map.put("字典值", null);
                map.put("创建日期", dict.getCreateTime());
                list.add(map);
            }
        }
        FileUtil.downloadExcel(list, response);
    }
 
    public void delCaches(Dict dict){
        redisUtils.del(CacheKey.DICT_NAME + dict.getName());
    }
}