郑永安
2023-09-19 69185134fcfaf913ea45f1255677225a2cc311a4
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package com.gk.hotwork.Service.ServiceImpl;
 
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.gk.hotwork.Domain.*;
import com.gk.hotwork.Domain.Exception.BusinessException;
import com.gk.hotwork.Domain.Utils.StringUtils;
import com.gk.hotwork.Mapper.EmergencyPlanFileMapper;
import com.gk.hotwork.Mapper.EmergencyPlanMapper;
import com.gk.hotwork.Service.EmergencyPlanService;
import org.apache.commons.collections4.CollectionUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
 
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;
 
@Service("emergencyPlanService")
@Transactional
public class EmergencyPlanImpl extends ServiceImpl<EmergencyPlanMapper,EmergencyPlan> implements EmergencyPlanService {
 
    @Autowired
    private EmergencyPlanMapper emergencyPlanMapper;
    @Autowired
    private EmergencyPlanFileMapper emergencyPlanFileMapper;
 
    /**
    * @Description: 分页
    */
    @Override
    public IPage<EmergencyPlan> selectPage(Page<EmergencyPlan> page, Map<String, Object> filter, UserInfo user) {
        IPage<EmergencyPlan> res = emergencyPlanMapper.selectPages(page,filter);
        if (CollectionUtils.isNotEmpty(res.getRecords())){
            for (int i = 0 ; i < res.getRecords().size(); i++){
                List<EmergencyPlanFile> fileList = emergencyPlanFileMapper.getByEmergencyPlanId(res.getRecords().get(i).getId());
                res.getRecords().get(i).setFileList(fileList);
            }
        }
        return res;
    }
 
 
    /**
    * @Description: 新增
    */
    @Override
    public void addOne(EmergencyPlan param, UserInfo user) {
        requiredVerification(param);
 
        Date date = new Date();
        String username = user.getRealname();
        param.setValidFlag(Boolean.TRUE);
        param.setUpdateBy(username);
        param.setCreateBy(username);
        param.setUpdateTime(date);
        param.setCreateTime(date);
        this.save(param);
        if (CollectionUtils.isNotEmpty(param.getFileList())){
            for (EmergencyPlanFile emergencyPlanFile : param.getFileList()){
                emergencyPlanFile.setValidFlag(Boolean.TRUE);
                emergencyPlanFile.setUpdateBy(username);
                emergencyPlanFile.setCreateBy(username);
                emergencyPlanFile.setUpdateTime(date);
                emergencyPlanFile.setCreateTime(date);
                emergencyPlanFile.setEmergencyPlanId(param.getId());
                emergencyPlanFileMapper.insert(emergencyPlanFile);
            }
        }
    }
 
 
    /**
    * @Description: 修改
    */
    @Override
    public void modOne(EmergencyPlan param, UserInfo user) {
 
        Date date = new Date();
        String username = user.getRealname();
        selectVerification(param.getId());
        requiredVerification(param);
        param.setUpdateTime(date);
        param.setUpdateBy(username);
        this.updateById(param);
 
        //对比删除文件
        List<EmergencyPlanFile> oldFileList = emergencyPlanFileMapper.getByEmergencyPlanId(param.getId());
        List<EmergencyPlanFile> newFileList = param.getFileList();
 
        List<Long> oldIdList = new ArrayList<>();
        List<Long> newIdList = new ArrayList<>();
 
        for (EmergencyPlanFile oldEmergencyPlanFile :oldFileList ){
            oldIdList.add(oldEmergencyPlanFile.getId());
        }
        for (EmergencyPlanFile newEmergencyPlanFile :newFileList ){
            if (newEmergencyPlanFile.getId()==null){
                //1.添加新增的元素
                newEmergencyPlanFile.setValidFlag(Boolean.TRUE);
                newEmergencyPlanFile.setUpdateBy(username);
                newEmergencyPlanFile.setCreateBy(username);
                newEmergencyPlanFile.setUpdateTime(date);
                newEmergencyPlanFile.setCreateTime(date);
                newEmergencyPlanFile.setEmergencyPlanId(param.getId());
                emergencyPlanFileMapper.insert(newEmergencyPlanFile);
            }else{
                newIdList.add(newEmergencyPlanFile.getId());
            }
        }
        //2.删除不存在的元素
        List<Long> diffList = getDif(oldIdList,newIdList);
        if (CollectionUtils.isNotEmpty(diffList)){
            for (Long id : diffList){
                emergencyPlanFileMapper.deleteById(id,username,date);
            }
        }
    }
 
    public  List<Long> getDif(List<Long> oldIdList , List<Long> newIdList ){
        ArrayList<Long> dif = new ArrayList<>();
        //查找出oldIdList表中不包含newIdList的元素
        for (Long id : oldIdList) {
            if (!(newIdList.contains(id))) {
                dif.add(id);
            }
        }
        return dif;
    }
 
 
    /**
    * @Description: 删除
    */
    @Override
    public void delOne(Long id, UserInfo user) {
        selectVerification(id);
        EmergencyPlan delOne = new EmergencyPlan();
        delOne.setId(id);
        delOne.setUpdateTime(new Date());
        delOne.setUpdateBy(user.getRealname());
        delOne.setValidFlag(Boolean.FALSE);
        this.updateById(delOne);
    }
 
    /**
     * 查询验证
     * 验证对象存在
     */
    public void selectVerification(Long id){
        if (id == null) throw new BusinessException("id传参不能为空");
        EmergencyPlan EmergencyPlan = this.getById(id);
        if (EmergencyPlan ==  null) throw new BusinessException("找不到对应实体");
    }
 
    /**
     * 操作验证
     * 验证必填项
     *
     */
    public void requiredVerification(EmergencyPlan param){
        if(StringUtils.isBlank(param.getName())) throw new BusinessException("请填写应急预案名称");
        if (param.getFileType() == null) throw new BusinessException("请选择应急预案文件类型");
        if (param.getFileType() == 0 && CollectionUtils.isEmpty(param.getFileList())){
            throw new BusinessException("请上传图片");
        }
        if (param.getFileType() == 1 && CollectionUtils.isEmpty(param.getFileList())){
            throw new BusinessException("请上传文件");
        }
    }
 
}