package com.gk.hotwork.Service.ServiceImpl;
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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.extension.plugins.pagination.Page;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.gk.hotwork.Domain.ElementManagement;
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import com.gk.hotwork.Domain.ElementTree;
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import com.gk.hotwork.Domain.Exception.BusinessException;
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import com.gk.hotwork.Domain.UserInfo;
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import com.gk.hotwork.Domain.Utils.StringUtils;
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import com.gk.hotwork.Mapper.ElementManagementMapper;
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import com.gk.hotwork.Service.ElementManagementService;
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import org.apache.commons.collections4.CollectionUtils;
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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 org.springframework.transaction.annotation.Transactional;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.List;
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import java.util.Map;
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@Service("elementManagementService")
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@Transactional
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public class ElementManagementImpl extends ServiceImpl<ElementManagementMapper,ElementManagement> implements ElementManagementService {
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@Autowired
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private ElementManagementMapper elementManagementMapper;
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/**
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* @Description: 分页
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*/
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@Override
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public IPage<ElementManagement> selectPage(Page<ElementManagement> page, Map<String, Object> filter, UserInfo user) {
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return elementManagementMapper.selectPages(page,filter);
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}
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/**
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* @Description: 新增
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*/
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@Override
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public void addOne(ElementManagement param, UserInfo user) {
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requiredVerification(param);
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param.setValidFlag(Boolean.TRUE);
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param.setUpdateBy(user.getRealname());
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param.setCreateBy(user.getRealname());
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param.setUpdateTime(new Date());
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param.setCreateTime(new Date());
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this.save(param);
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}
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/**
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* @Description: 修改
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*/
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@Override
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public void modOne(ElementManagement param, UserInfo user) {
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selectVerification(param.getId());
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requiredVerification(param);
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param.setUpdateTime(new Date());
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param.setUpdateBy(user.getRealname());
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this.updateById(param);
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}
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/**
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* @Description: 删除
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*/
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@Override
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public void delOne(Long id, UserInfo user) {
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ElementManagement elementManagement = selectVerification(id);
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deleteVerification(elementManagement);
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ElementManagement delOne = new ElementManagement();
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delOne.setId(id);
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delOne.setUpdateTime(new Date());
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delOne.setUpdateBy(user.getRealname());
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delOne.setValidFlag(Boolean.FALSE);
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this.updateById(delOne);
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}
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@Override
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public List<ElementManagement> getParentElement() {
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return elementManagementMapper.getElementByType(0);
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}
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@Override
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public List<ElementTree> getElementTree() {
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List<ElementTree> elementTreeList = new ArrayList<>();
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List<ElementManagement> list1 = elementManagementMapper.getElementByType(0);
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List<ElementManagement> list2 = elementManagementMapper.getElementByType(1);
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if (CollectionUtils.isNotEmpty(list1)){
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for (ElementManagement elementManagement : list1){
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ElementTree elementTree=new ElementTree();
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elementTree.setType(0);
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elementTree.setLabel(elementManagement.getName());
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elementTree.setValue(elementManagement.getId());
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elementTreeList.add(elementTree);
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}
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}
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if (CollectionUtils.isNotEmpty(list2)) {
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for (int i = 0; i < list2.size(); i++) {
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for (int j = 0; j < elementTreeList.size(); j++) {
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if (list2.get(i).getParentId().equals(elementTreeList.get(j).getValue())) {
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if (CollectionUtils.isEmpty(elementTreeList.get(j).getChildren())) {
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//如果为空 则new一个出来
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elementTreeList.get(j).setChildren(new ArrayList<>());
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}
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ElementTree elementTree = new ElementTree();
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elementTree.setType(1);
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elementTree.setLabel(list2.get(i).getName());
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elementTree.setValue(list2.get(i).getId());
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elementTreeList.get(j).getChildren().add(elementTree);
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}
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}
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}
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}
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return elementTreeList;
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}
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/**
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* 查询验证
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* 验证对象存在
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*/
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public ElementManagement selectVerification(Long id){
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if (id == null) throw new BusinessException("id传参不能为空");
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ElementManagement elementManagement = this.getById(id);
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if (elementManagement == null) throw new BusinessException("找不到对应实体");
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return elementManagement;
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}
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/**
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* 操作验证
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* 验证必填项
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*
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*/
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public void requiredVerification(ElementManagement param){
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if(StringUtils.isBlank(param.getName())) throw new BusinessException("请填写要素名称");
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if (param.getType() == null) throw new BusinessException("请选择要素类型");
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if (param.getType() == 1 && param.getParentId()==null){
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throw new BusinessException("请选择父要素");
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}
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}
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/**
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* 操作验证
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* 删除已被B级要素绑定的A级要素
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*
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*/
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public void deleteVerification(ElementManagement param){
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if (param.getType()==0){
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int count = this.count(new LambdaQueryWrapper<ElementManagement>()
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.eq(ElementManagement::getParentId, param.getId())
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.eq(ElementManagement::getType , 1)
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.eq(ElementManagement::getValidFlag, Boolean.TRUE));
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if (count > 0) throw new BusinessException("当前A级要素仍然有已绑定的B级要素,无法删除");
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}
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}
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}
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