package com.ycl.service.user.impl;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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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.ycl.dto.UmsMenuNode;
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import com.ycl.entity.user.UmsMenu;
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import com.ycl.entity.user.vo.UmsMenuVo;
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import com.ycl.mapper.user.AdminMenuRelationMapper;
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import com.ycl.mapper.user.UmsAdminRoleRelationMapper;
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import com.ycl.mapper.user.UmsMenuMapper;
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import com.ycl.service.user.UmsMenuService;
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import org.springframework.beans.BeanUtils;
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import org.springframework.stereotype.Service;
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import javax.annotation.Resource;
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import java.util.Date;
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import java.util.List;
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import java.util.Objects;
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import java.util.stream.Collectors;
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/**
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* 后台菜单管理Service实现类
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*/
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@Service
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public class UmsMenuServiceImpl extends ServiceImpl<UmsMenuMapper, UmsMenu> implements UmsMenuService {
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@Resource
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AdminMenuRelationMapper adminMenuRelationMapper;
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@Resource
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UmsMenuMapper umsMenuMapper;
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@Resource
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UmsAdminRoleRelationMapper umsAdminRoleRelationMapper;
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@Override
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public boolean create(UmsMenu umsMenu) {
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umsMenu.setCreateTime(new Date());
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updateLevel(umsMenu);
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return save(umsMenu);
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}
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/**
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* 修改菜单层级
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*/
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private void updateLevel(UmsMenu umsMenu) {
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if (umsMenu.getParentId() == 0) {
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//没有父菜单时为一级菜单
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umsMenu.setLevel(0);
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} else {
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//有父菜单时选择根据父菜单level设置
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UmsMenu parentMenu = getById(umsMenu.getParentId());
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if (parentMenu != null) {
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umsMenu.setLevel(parentMenu.getLevel() + 1);
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} else {
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umsMenu.setLevel(0);
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}
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}
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}
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@Override
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public boolean update(Long id, UmsMenu umsMenu) {
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umsMenu.setId(id);
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updateLevel(umsMenu);
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return updateById(umsMenu);
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}
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@Override
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public Page<UmsMenu> list(Long parentId, Integer pageSize, Integer pageNum) {
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Page<UmsMenu> page = new Page<>(pageNum, pageSize);
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QueryWrapper<UmsMenu> wrapper = new QueryWrapper<>();
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wrapper.lambda().eq(UmsMenu::getParentId, parentId)
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.orderByDesc(UmsMenu::getSort);
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return page(page, wrapper);
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}
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@Override
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public List<UmsMenuNode> treeList() {
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List<UmsMenu> menuList = list();
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List<UmsMenuNode> result = menuList.stream()
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.filter(menu -> menu.getParentId().equals(0L))
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.map(menu -> covertMenuNode(menu, menuList)).collect(Collectors.toList());
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return result;
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}
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@Override
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public boolean updateHidden(Long id, Integer hidden) {
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UmsMenu umsMenu = new UmsMenu();
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umsMenu.setId(id);
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umsMenu.setHidden(hidden);
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return updateById(umsMenu);
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}
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@Override
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public List<UmsMenuVo> ListTreeMyself(Long id) {
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List<UmsMenuVo> fatherUmsMenuVoList = umsMenuMapper.adminMenuRelation(id);
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List<UmsMenuVo> umsMenuVoList = fatherUmsMenuVoList.stream()
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.filter(item -> item.getParentId() == 0L)
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.peek(item -> item.setMenuVoArrayList(getChildren(item, fatherUmsMenuVoList)))
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.collect(Collectors.toList());
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return umsMenuVoList;
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}
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public List<UmsMenuVo> getChildren(UmsMenuVo root, List<UmsMenuVo> allMenus) {
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return allMenus.stream()
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.filter(menu -> Objects.equals(menu.getParentId(), root.getId()))
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.peek(menu -> menu.setMenuVoArrayList(getChildren(menu, allMenus)))
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.collect(Collectors.toList());
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}
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@Override
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public String getPermission(Long userId) {
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List<String> permission = umsAdminRoleRelationMapper.selectPermissionById(userId);
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if (permission.size()<2){
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return permission.get(0);
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}else {
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if (permission.contains("操作且查看")){
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return "operation and view";
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}
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else if (permission.contains("可操作")&&!permission.contains("仅查看")){
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return "operation";
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}
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else if (permission.contains("仅查看")&&!permission.contains("可操作")){
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return "view";
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}else return "operation and view";
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}
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}
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/**
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* 将UmsMenu转化为UmsMenuNode并设置children属性
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*/
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@Override
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public UmsMenuNode covertMenuNode(UmsMenu menu, List<UmsMenu> menuList) {
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UmsMenuNode node = new UmsMenuNode();
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BeanUtils.copyProperties(menu, node);
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List<UmsMenuNode> children = menuList.stream()
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.filter(subMenu -> subMenu.getParentId().equals(menu.getId()))
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.map(subMenu -> covertMenuNode(subMenu, menuList)).collect(Collectors.toList());
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node.setChildren(children);
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return node;
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}
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}
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