package com.whyc.service;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
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import com.baomidou.mybatisplus.core.toolkit.Wrappers;
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import com.whyc.dto.Response;
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import com.whyc.mapper.CommonMapper;
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import com.whyc.mapper.PermitGroupMapper;
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import com.whyc.mapper.PermitGroupUserMapper;
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import com.whyc.mapper.UserInfMapper;
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import com.whyc.pojo.PermitGroup;
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import com.whyc.pojo.PermitGroupUser;
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import com.whyc.pojo.UserInf;
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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.annotation.Resource;
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import java.util.*;
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import java.util.stream.Collectors;
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@Service
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@Transactional
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public class PermitGroupService {
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@Resource
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private PermitGroupMapper mapper;
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@Resource
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private PermitGroupUserMapper permitGroupUserMapper;
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@Resource
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private CommonMapper commonMapper;
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@Resource
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private UserInfMapper userInfMapper;
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@Transactional
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public Response<Boolean> add(List<PermitGroup> permitGroupList) {
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Response<Boolean> response = new Response();
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//权限互斥,查询已存在的权限组,不允许存在权限完全一样的权限组
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QueryWrapper<PermitGroup> wrapper = Wrappers.query();
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//wrapper.select("permit_group_id","permit_item_name","permit_item_value");
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wrapper.select("permit_group_id","permit_item_value");
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List<PermitGroup> existGroupList = mapper.selectList(wrapper);
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Map<Integer, List<PermitGroup>> existGroupListMap = existGroupList.stream().collect(Collectors.groupingBy(PermitGroup::getPermitGroupId));
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Set<Integer> keySet = existGroupListMap.keySet();
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Iterator<Integer> iterator = keySet.iterator();
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while (iterator.hasNext()){
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boolean diff = false;
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List<PermitGroup> existGroupListII = existGroupListMap.get(iterator.next());
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for (int i = 0; i < existGroupListII.size(); i++) {
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if(!permitGroupList.get(i).getPermitItemValue().equals(existGroupListII.get(i).getPermitItemValue())){
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//存在差异,进入下个组校验
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diff = true;
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break;
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}
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}
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//如果每项都不存在差异
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if(!diff){
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return response.set(1,false,"有存在权限完全相同的权限组,无法添加");
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}
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}
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//权限组id生成
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int maxValue = (int) commonMapper.getMaxValue("db_user", "tb_user_permitgroup", "permit_group_id");
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int newPermitGroupId = maxValue+1;
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permitGroupList.stream().forEach(permitGroup -> permitGroup.setPermitGroupId(newPermitGroupId));
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mapper.insertBatchSomeColumn(permitGroupList);
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return response.set(1,true,"添加成功");
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}
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@Transactional
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public Response<Boolean> update(List<PermitGroup> permitGroupList) {
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Response<Boolean> response = new Response<>();
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//权限互斥,查询已存在的权限组,不允许存在权限完全一样的权限组
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QueryWrapper<PermitGroup> wrapper = Wrappers.query();
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//wrapper.select("permit_group_id","permit_item_name","permit_item_value");
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wrapper.select("permit_group_id","permit_item_value");
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List<PermitGroup> existGroupList = mapper.selectList(wrapper);
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Map<Integer, List<PermitGroup>> existGroupListMap = existGroupList.stream().collect(Collectors.groupingBy(PermitGroup::getPermitGroupId));
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Set<Integer> keySet = existGroupListMap.keySet();
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Iterator<Integer> iterator = keySet.iterator();
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while (iterator.hasNext()){
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boolean diff = false;
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List<PermitGroup> existGroupListII = existGroupListMap.get(iterator.next());
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for (int i = 0; i < existGroupListII.size(); i++) {
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if(!permitGroupList.get(i).getPermitItemValue().equals(existGroupListII.get(i).getPermitItemValue())){
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//存在差异,进入下个组校验
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diff = true;
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break;
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}
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}
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//如果每项都不存在差异
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if(!diff){
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return response.set(1,false,"有存在权限完全相同的权限组,无法更新");
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}
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}
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//先删除,后增加
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UpdateWrapper<PermitGroup> updateWrapper = Wrappers.update();
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wrapper.eq("permit_group_id",permitGroupList.get(0).getPermitGroupId());
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mapper.delete(wrapper);
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mapper.insertBatchSomeColumn(permitGroupList);
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return response.set(1,true,"更新成功");
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}
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public void delete(Integer permitGroupId) {
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//删除权限组表记录
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UpdateWrapper<PermitGroup> groupWrapper = Wrappers.update();
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groupWrapper.eq("permit_group_id",permitGroupId);
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mapper.delete(groupWrapper);
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//删除权限组对应的用户记录
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UpdateWrapper<PermitGroupUser> groupUserWrapper = Wrappers.update();
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groupUserWrapper.eq("permit_group_id",permitGroupId);
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permitGroupUserMapper.delete(groupUserWrapper);
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}
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public List<PermitGroup> getList() {
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QueryWrapper<PermitGroup> wrapper = Wrappers.query();
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wrapper.select("distinct permit_group_id,permit_group_name");
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return mapper.selectList(wrapper);
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}
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public Map getPermitGroupInfo(Integer permitGroupId) {
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Map<String,List> resultMap = new HashMap<>();
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//查询权限组已添加的用户
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List<UserInf> relatedUserInfList = permitGroupUserMapper.getUserInf(permitGroupId);
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//查询权限组未添加的用户
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List<UserInf> allUserInfList = userInfMapper.selectList(null);
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List<UserInf> notRelatedUserInfList = allUserInfList.stream().filter(userInf -> !relatedUserInfList.contains(userInf)).collect(Collectors.toList());
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//查询权限组的明细权限
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QueryWrapper<PermitGroup> wrapper = Wrappers.query();
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wrapper.eq("permit_group_id",permitGroupId);
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List<PermitGroup> permitGroupList = mapper.selectList(wrapper);
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resultMap.put("usersAdded",relatedUserInfList);
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resultMap.put("usersNotAdded",notRelatedUserInfList);
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resultMap.put("permits",permitGroupList);
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return resultMap;
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}
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public List<PermitGroup> getPermitList() {
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QueryWrapper<PermitGroup> wrapper = Wrappers.query();
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wrapper.select("distinct permit_item_name");
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List<PermitGroup> permitGroups = mapper.selectList(wrapper);
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return permitGroups;
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}
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}
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