tz-onest-system/src/main/java/com/ruoyi/system/service/impl/SysMenuVisuServiceImpl.java

package com.ruoyi.system.service.impl;

import com.ruoyi.common.core.constant.UserConstants;
import com.ruoyi.common.core.utils.DateUtils;
import com.ruoyi.common.core.utils.StringUtils;
import com.ruoyi.system.api.domain.SysRole;
import com.ruoyi.system.api.domain.SysUser;
import com.ruoyi.system.domain.SysMenuVisu;
import com.ruoyi.system.domain.vo.TreeSelect;
import com.ruoyi.system.mapper.SysMenuVisuMapper;
import com.ruoyi.system.mapper.SysRoleMapper;
import com.ruoyi.system.mapper.SysRoleMenuvisuMapper;
import com.ruoyi.system.service.ISysMenuVisuService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.stream.Collectors;

/**
 * 可视化菜单权限Service业务层处理
 *
 * @author ruoyi
 * @date 2022-05-24
 */
@Service
public class SysMenuVisuServiceImpl implements ISysMenuVisuService
{
    public static final String PREMISSION_STRING = "perms[\"{0}\"]";
    @Autowired
    private SysMenuVisuMapper sysMenuVisuMapper;

    @Autowired
    private SysRoleMenuvisuMapper sysRoleMenuvisuMapper;


    @Autowired
    private SysRoleMapper roleMapper;

    /**
     * 查询可视化菜单权限
     *
     * @param menuId 可视化菜单权限主键
     * @return 可视化菜单权限
     */
    @Override
    public SysMenuVisu selectSysMenuVisuByMenuId(Long menuId)
    {
        return sysMenuVisuMapper.selectSysMenuVisuByMenuId(menuId);
    }






    @Override
    public List<SysMenuVisu> selectSysMenuVisuList(SysMenuVisu sysMenuVisu)
    {
        return sysMenuVisuMapper.selectSysMenuVisuList(sysMenuVisu);
    }



    /**
     * 查询可视化菜单权限列表
     *
     * @return 可视化菜单权限
     */
    @Override
    public List<SysMenuVisu> selectMenuList(Long userId)
    {
        return selectMenuList(new SysMenuVisu(), userId);
    }


    /**
     * 查询系统菜单列表
     *
     * @param menu 菜单信息
     * @return 菜单列表
     */
    @Override
    public List<SysMenuVisu> selectMenuList(SysMenuVisu menu, Long userId)
    {
        List<SysMenuVisu> menuList = null;
        // 管理员显示所有菜单信息
        if (SysUser.isAdmin(userId))
        {
            menuList = sysMenuVisuMapper.selectMenuList(menu);
        }
        else
        {
            menu.getParams().put("userId", userId);
            menuList = sysMenuVisuMapper.selectMenuListByUserId(menu);
        }
        return menuList;
    }



   /* {
        return sysMenuVisuMapper.selectSysMenuVisuList(sysMenuVisu);
    }
*/
    /**
     * 新增可视化菜单权限
     *
     * @param sysMenuVisu 可视化菜单权限
     * @return 结果
     */
    @Override
    public int insertSysMenuVisu(SysMenuVisu sysMenuVisu)
    {
        sysMenuVisu.setCreateTime(DateUtils.getNowDate());
        return sysMenuVisuMapper.insertSysMenuVisu(sysMenuVisu);
    }

    /**
     * 修改可视化菜单权限
     *
     * @param sysMenuVisu 可视化菜单权限
     * @return 结果
     */
    @Override
    public int updateSysMenuVisu(SysMenuVisu sysMenuVisu)
    {
        sysMenuVisu.setUpdateTime(DateUtils.getNowDate());
        return sysMenuVisuMapper.updateSysMenuVisu(sysMenuVisu);
    }

   /* *//**
     * 批量删除可视化菜单权限
     *
     * @param menuIds 需要删除的可视化菜单权限主键
     * @return 结果
     *//*
    @Override
    public int deleteSysMenuVisuByMenuIds(Long[] menuIds)
    {
        return sysMenuVisuMapper.deleteSysMenuVisuByMenuIds(menuIds);
    }*/

    /**
     * 删除可视化菜单权限信息
     *
     * @param menuId 可视化菜单权限主键
     * @return 结果
     */
    @Override
    public int deleteSysMenuVisuByMenuId(Long menuId)
    {
        return sysMenuVisuMapper.deleteSysMenuVisuByMenuId(menuId);
    }


    /**
     * 校验菜单名称是否唯一
     *
     * @param menu 菜单信息
     * @return 结果
     */
    @Override
    public String checkMenuNameUnique(SysMenuVisu menu)
    {
        Long menuId = StringUtils.isNull(menu.getMenuId()) ? -1L : menu.getMenuId();
        SysMenuVisu info = sysMenuVisuMapper.checkMenuNameUnique(menu.getMenuName(), menu.getParentId());
        if (StringUtils.isNotNull(info) && info.getMenuId().longValue() != menuId.longValue())
        {
            return UserConstants.NOT_UNIQUE;
        }
        return UserConstants.UNIQUE;
    }


    /**
     * 是否存在菜单子节点
     *
     * @param menuId 菜单ID
     * @return 结果
     */
    @Override
    public boolean hasChildByMenuId(Long menuId)
    {
        int result = sysMenuVisuMapper.hasChildByMenuId(menuId);
        return result > 0 ? true : false;
    }


    /**
     * 查询菜单使用数量
     *
     * @param menuId 菜单ID
     * @return 结果
     */
    @Override
    public boolean checkMenuExistRole(Long menuId)
    {
        int result = sysRoleMenuvisuMapper.checkMenuExistRole(menuId);
        return result > 0 ? true : false;
    }



    /**
     * 构建前端所需要下拉树结构
     *
     * @param menus 菜单列表
     * @return 下拉树结构列表
     */
    @Override
    public List<TreeSelect> buildMenuTreeSelect(List<SysMenuVisu> menus)
    {
        List<SysMenuVisu> menuTrees = buildMenuTree(menus);
        return menuTrees.stream().map(TreeSelect::new).collect(Collectors.toList());
    }


    /**
     * 构建前端所需要树结构
     *
     * @param menus 菜单列表
     * @return 树结构列表
     */
    @Override
    public List<SysMenuVisu> buildMenuTree(List<SysMenuVisu> menus)
    {
        List<SysMenuVisu> returnList = new ArrayList<SysMenuVisu>();
        List<Long> tempList = new ArrayList<Long>();
        for (SysMenuVisu dept : menus)
        {
            tempList.add(dept.getMenuId());
        }
        for (Iterator<SysMenuVisu> iterator = menus.iterator(); iterator.hasNext();)
        {
            SysMenuVisu menu = (SysMenuVisu) iterator.next();
            // 如果是顶级节点, 遍历该父节点的所有子节点
            if (!tempList.contains(menu.getParentId()))
            {
                recursionFn(menus, menu);
                returnList.add(menu);
            }
        }
        if (returnList.isEmpty())
        {
            returnList = menus;
        }
        return returnList;
    }


    /**
     * 递归列表
     *
     * @param list
     * @param t
     */
    private void recursionFn(List<SysMenuVisu> list, SysMenuVisu t)
    {
        // 得到子节点列表
        List<SysMenuVisu> childList = getChildList(list, t);
        t.setChildren(childList);
        for (SysMenuVisu tChild : childList)
        {
            if (hasChild(list, tChild))
            {
                recursionFn(list, tChild);
            }
        }
    }


    /**
     * 得到子节点列表
     */
    private List<SysMenuVisu> getChildList(List<SysMenuVisu> list, SysMenuVisu t)
    {
        List<SysMenuVisu> tlist = new ArrayList<SysMenuVisu>();
        Iterator<SysMenuVisu> it = list.iterator();
        while (it.hasNext())
        {
            SysMenuVisu n = (SysMenuVisu) it.next();
            if (n.getParentId().longValue() == t.getMenuId().longValue())
            {
                tlist.add(n);
            }
        }
        return tlist;
    }


    /**
     * 判断是否有子节点
     */
    private boolean hasChild(List<SysMenuVisu> list, SysMenuVisu t)
    {
        return getChildList(list, t).size() > 0;
    }


    /**
     * 根据角色ID查询菜单树信息
     *
     * @param roleId 角色ID
     * @return 选中菜单列表
     */
    @Override
    public List<Long> selectMenuListByRoleId(Long roleId)
    {
        SysRole role = roleMapper.selectRoleById(roleId);
        return sysMenuVisuMapper.selectMenuListByRoleId(roleId, role.isMenuCheckStrictly());
    }
}