package com.sandu.ximon.admin.service;
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import cn.hutool.core.collection.CollectionUtil;
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import cn.hutool.core.util.StrUtil;
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import com.baomidou.mybatisplus.core.toolkit.Wrappers;
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import com.sandu.common.enums.RoleLevelStatus;
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import com.sandu.common.execption.BusinessException;
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import com.sandu.common.execption.EntityExistException;
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import com.sandu.common.service.impl.BaseServiceImpl;
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import com.sandu.common.util.SpringContextHolder;
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import com.sandu.ximon.admin.param.MenuParam;
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import com.sandu.ximon.admin.security.SecurityUtils;
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import com.sandu.ximon.dao.bo.MenuNode;
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import com.sandu.ximon.dao.domain.AdminRoleRelation;
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import com.sandu.ximon.dao.domain.Menu;
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import com.sandu.ximon.dao.domain.Role;
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import com.sandu.ximon.dao.domain.RoleMenuRelation;
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import com.sandu.ximon.dao.mapper.AdminRoleRelationMapper;
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import com.sandu.ximon.dao.mapper.MenuMapper;
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import lombok.AllArgsConstructor;
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import org.springframework.beans.BeanUtils;
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import org.springframework.stereotype.Service;
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import java.util.Collections;
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import java.util.List;
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import java.util.Set;
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import java.util.stream.Collectors;
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/**
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* @author chenjiantian
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* @date 2021/11/24 11:15
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*/
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@Service
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@AllArgsConstructor
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public class MenuService extends BaseServiceImpl<MenuMapper, Menu> {
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private final RoleMenuRelationService roleMenuRelationService;
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/**
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* 获取角色下的菜单
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*/
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public List<Menu> listByRoleIds(List<Long> roleIdList) {
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List<Long> menuIdList = roleMenuRelationService.list(Wrappers.lambdaQuery(RoleMenuRelation.class).in(RoleMenuRelation::getRoleId, roleIdList).select(RoleMenuRelation::getMenuId))
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.stream().map(RoleMenuRelation::getMenuId).distinct().collect(Collectors.toList());
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if (CollectionUtil.isEmpty(menuIdList)) {
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return null;
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}
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return listByIds(menuIdList);
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}
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public boolean addMenu(MenuParam param) {
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Menu menu = new Menu();
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BeanUtils.copyProperties(param, menu);
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menu.setPermission(param.getRouterName());
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return save(menu);
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}
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// public Set<Menu> listMenuByRoles(Set<Role> roles) {
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// List<Long> roleIds = roles.stream().map(Role::getId).collect(Collectors.toList());
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// Set<Menu> menus = menuDao.listMenuByRoleIds(roleIds);
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// return menus;
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// }
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//
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// /**
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// * 把菜单转成树形结构
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// */
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// public List<MenuNode> buildTree(List<Menu> menuList) {
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// return menuList.stream()
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// .filter(menu -> menu.getPid().equals(0L))
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// .map(menu -> covertMenuNode(menu, menuList)).collect(Collectors.toList());
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// }
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private MenuNode covertMenuNode(Menu menu, List<Menu> menuList) {
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MenuNode node = new MenuNode();
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BeanUtils.copyProperties(menu, node);
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List<MenuNode> children = menuList.stream()
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.filter(subMenu -> subMenu.getPid().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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public boolean updateMenu(Long menuId, MenuParam param) {
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Menu one = getById(menuId);
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if (one == null) {
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throw new BusinessException("找不到菜单信息");
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}
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List<Role> roles = SpringContextHolder.getBean(RoleService.class).listByAdminId(SecurityUtils.getUserId());
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Integer roleLevel = roles.stream().map(Role::getLevel).min(Integer::compareTo).orElse(RoleLevelStatus.COMMON.getCode());
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if (!RoleLevelStatus.SUPER.getCode().equals(roleLevel)) {
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throw new BusinessException("超级管理员才可以编辑菜单");
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}
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Menu menu = new Menu();
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BeanUtils.copyProperties(param, menu);
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menu.setPermission(param.getRouterName());
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menu.setId(menuId);
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return updateById(menu);
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}
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public List<MenuNode> treeList() {
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List<Menu> list = list();
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return list.stream()
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.filter(menu -> menu.getPid().equals(0L))
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.map(menu -> covertMenuNode(menu, list)).collect(Collectors.toList());
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}
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private MenuMapper menuMapper;
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public boolean delMenu(Long menuId) {
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Menu one = getById(menuId);
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if (one == null) {
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throw new BusinessException("找不到菜单信息");
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}
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List<Role> roles = SpringContextHolder.getBean(RoleService.class).listByAdminId(SecurityUtils.getUserId());
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Integer roleLevel = roles.stream().map(Role::getLevel).min(Integer::compareTo).orElse(RoleLevelStatus.COMMON.getCode());
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if (!RoleLevelStatus.SUPER.getCode().equals(roleLevel)) {
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throw new BusinessException("超级管理员才可以删除菜单");
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}
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List<Long> list = menuMapper.listMenuIfBinding(menuId);
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List<Long> list1 = menuMapper.listMenuIfBinding1(menuId);
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if (list.size() == 0 && list1.size() == 0) {
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return removeById(menuId);
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} else {
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throw new BusinessException("菜单正在使用，请勿删除");
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}
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}
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}
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