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package com.supervision.police.service.impl;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.lang.Assert;
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import cn.hutool.core.util.StrUtil;
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import com.baomidou.mybatisplus.core.conditions.Wrapper;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.core.metadata.IPage;
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import com.baomidou.mybatisplus.core.toolkit.Wrappers;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.supervision.common.domain.R;
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import com.supervision.common.utils.IPages;
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import com.supervision.common.utils.StringUtils;
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import com.supervision.police.domain.ComDictionary;
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import com.supervision.police.dto.DictionaryByTypeParam;
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import com.supervision.police.mapper.ComDictionaryMapper;
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import com.supervision.police.service.ComDictionaryService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.stream.Collectors;
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/**
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* <p>
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* 服务实现类
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* </p>
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*
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* @author baomidou
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* @since 2022-03-16
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*/
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@Service
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public class ComDictionaryServiceImpl extends ServiceImpl<ComDictionaryMapper, ComDictionary> implements ComDictionaryService {
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@Autowired
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private ComDictionaryMapper comDictionaryMapper;
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@Override
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public R<?> findDictionaryInfo(ComDictionary dictionary, Long page, Long size) {
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LambdaQueryWrapper<ComDictionary> lambdaQueryWrapper = Wrappers.lambdaQuery();
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lambdaQueryWrapper
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.eq(dictionary.getId() != null, ComDictionary::getId, dictionary.getId())
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.eq(StringUtils.isNotBlank(dictionary.getValue()), ComDictionary::getValue, dictionary.getValue())
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.eq(StringUtils.isNotBlank(dictionary.getType()), ComDictionary::getType, dictionary.getType())
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.eq(dictionary.getPid() != null, ComDictionary::getPid, dictionary.getPid())
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.eq(ComDictionary::getDataStatus, "1")
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.isNotNull(ComDictionary::getValue);
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IPage<ComDictionary> iPage = new Page<>(page, size);
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iPage = comDictionaryMapper.selectPage(iPage, lambdaQueryWrapper);
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return R.ok(IPages.buildDataMap(iPage.getRecords(), iPage.getRecords().size()));
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}
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/**
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* 通过type查询字典
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* @param dictionaryByTypeParam
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* @return
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*/
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@Override
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public R<?> findDictionaryListByType(DictionaryByTypeParam dictionaryByTypeParam) {
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Map<String, List<ComDictionary>> resultMap = queryDictionary(dictionaryByTypeParam);
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return R.ok(resultMap);
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}
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@Override
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public Map<String, String> getDictionaryMap(String type) {
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if (StrUtil.isEmpty(type)){
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return null;
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}
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List<ComDictionary> list = super.lambdaQuery().eq(ComDictionary::getType, type).ne(ComDictionary::getPid,0L).list();
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return list.stream().collect(Collectors.toMap(ComDictionary::getValue, ComDictionary::getLabel));
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}
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@Override
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public Map<String, String> getDictionaryMapReverse(String type) {
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if (StrUtil.isEmpty(type)){
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return null;
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}
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List<ComDictionary> list = super.lambdaQuery().eq(ComDictionary::getType, type).ne(ComDictionary::getPid,0L).list();
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return list.stream().collect(Collectors.toMap(ComDictionary::getLabel,ComDictionary::getValue));
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}
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/**
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* 根据条件查询字典表,供内部调用.
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* @param dictionaryByTypeParam
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* @return
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*/
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private Map<String, List<ComDictionary>> queryDictionary(DictionaryByTypeParam dictionaryByTypeParam) {
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Map<String,List<ComDictionary>> resultMap = new HashMap<>();
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List<String> typeList = CollUtil.isEmpty(dictionaryByTypeParam.getList()) ?
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comDictionaryMapper.queryAllType() : dictionaryByTypeParam.getList();
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for (String dictType : typeList) {
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List<ComDictionary> queryList;
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List<ComDictionary> otherList = new ArrayList<>();
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ComDictionary comDictionary = new ComDictionary();
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comDictionary.setType(dictType);
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comDictionary.setDataStatus(dictionaryByTypeParam.getStatus());
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Wrapper<ComDictionary> wrapper = Wrappers.query(comDictionary);
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queryList = this.comDictionaryMapper.selectList(wrapper);
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changeTree(queryList,otherList);
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if (CollUtil.size(otherList) > 1) {
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// 平铺数据
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if (Integer.valueOf(0).equals(dictionaryByTypeParam.getIsTree())) {
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resultMap.put(dictType,queryList);
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}else {
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// 树形数据
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resultMap.put(dictType,otherList);
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}
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} else {
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// 平铺数据
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if (Integer.valueOf(0).equals(dictionaryByTypeParam.getIsTree())){
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resultMap.put(dictType,CollUtil.isNotEmpty(otherList) ? otherList.get(0).getChild() : new ArrayList<>());
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}else {
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// 树形数据
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resultMap.put(dictType,otherList);
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}
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}
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}
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return resultMap;
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}
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@Override
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public R<?> insertDictionary(ComDictionary dictionary) {
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Assert.notEmpty(dictionary.getType(), "字典类型不能为空");
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Assert.notEmpty(dictionary.getLabel(), "字典名称不能为空");
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comDictionaryMapper.insert(dictionary);
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return R.okMsg("新增成功");
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}
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@Override
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public R<?> updateDictionary(ComDictionary dictionary) {
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try{
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comDictionaryMapper.updateById(dictionary);
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return R.okMsg("更新成功");
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}catch (Exception e) {
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return R.fail("更新失败");
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}
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}
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@Override
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public R<?> logicDeleteDictionary(Long id) {
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if (comDictionaryMapper.updateDataStatusByIdAndPid(id) > 0) {
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return R.okMsg("更新成功");
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} else {
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return R.fail(700,"未找到该条数据的信息.");
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}
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}
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private void changeTree(List<ComDictionary> queryList, List<ComDictionary> resultList) {
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// 先找到所有的一级菜单
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for (ComDictionary comDictionary : queryList) {
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// 一级菜单没有parentId
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if (Long.valueOf(0L).equals(comDictionary.getPid())) {
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resultList.add(comDictionary);
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}
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}
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// 为一级菜单设置子菜单，getChild是递归调用的
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for (ComDictionary comDictionary : resultList) {
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comDictionary.setPid(0L);
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comDictionary.setChild(getChild(comDictionary.getId(), queryList));
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}
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}
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/**
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* 递归查找子菜单
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*
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*
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* @param id 当前菜单id
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* @param dictionaryList 要查找的列表
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* @return
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*/
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private List<ComDictionary> getChild(Long id, List<ComDictionary> dictionaryList) {
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// 子菜单
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List<ComDictionary> childList = new ArrayList<>();
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for (ComDictionary comDictionary : dictionaryList) {
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if (comDictionary.getPid() != null && comDictionary.getPid().equals(id)) {
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childList.add(comDictionary);
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}
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}
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// 把子菜单的子菜单再循环一遍
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for (ComDictionary comDictionary : childList) {
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// 直接递归
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comDictionary.setChild(getChild(comDictionary.getId(), dictionaryList));
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} // 递归退出条件
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if (childList.size() == 0) {
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return null;
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}
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return childList;
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}
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@Override
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public String getName(List<ComDictionary> list, String type, String value) {
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for (ComDictionary comDictionary : list) {
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// 父级字典项的value是null
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if (comDictionary.getType().equals(type) && comDictionary.getValue() != null
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&& comDictionary.getValue().equals(value)) {
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return comDictionary.getLabel();
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}
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}
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return "";
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}
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@Override
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public String getValue(List<ComDictionary> list, String type, String label) {
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for (ComDictionary comDictionary : list) {
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if (comDictionary.getType().equals(type) && comDictionary.getLabel().equals(label)) {
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return comDictionary.getValue();
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}
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}
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return "";
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}
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@Override
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public Boolean updateCategory(ComDictionary dictionary) {
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Assert.notNull(dictionary.getId(), "id不能为空");
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Assert.notEmpty(dictionary.getLabel(), "字典名称不能为空");
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this.lambdaUpdate().eq(ComDictionary::getId,dictionary.getId())
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.set(ComDictionary::getNote,dictionary.getNote())
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.set(ComDictionary::getLabel,dictionary.getLabel()).update();
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return true;
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}
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}
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