iHotel_student_houtai/src/main/java/com/template/controller/UsersMenuController.java

package com.template.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.template.api.UsersMenuAPI;
import com.template.model.dto.SaveParentUserDto;
import com.template.model.dto.SaveSecondaryUserDto;
import com.template.model.pojo.PermissionSetting;
import com.template.model.pojo.Users;
import com.template.model.pojo.UsersMenu;
import com.template.model.result.CommonResult;
import com.template.model.vo.AdminMenuTreeVo;
import com.template.services.PermissionSettingService;
import com.template.services.UsersMenuService;
import com.template.services.UsersService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RestController;

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

/**
 * <p>
 * 前端控制器
 * </p>
 *
 * @author ceshi
 * @since 2023-12-13
 */
@RestController
public class UsersMenuController implements UsersMenuAPI {

    @Autowired
    UsersMenuService usersMenuService;

    @Autowired
    PermissionSettingService permissionSettingService;

    @Autowired
    UsersService usersService;

    public static void main(String[] args) {
        String s = "1,2";
        boolean contains = s.contains("3");
        System.out.println("contains = " + contains);
    }

    @Override
    public CommonResult saveUserParent(SaveParentUserDto saveParentUserDto) {
        if (ObjectUtils.isEmpty(saveParentUserDto)) {
            return CommonResult.fail();
        }

        int adminId = saveParentUserDto.getAdminMenuId();
        PermissionSetting permissionSetting = permissionSettingService.getById(adminId);
        if (ObjectUtils.isEmpty(permissionSetting)) {
            return CommonResult.fail("非法进入");
        }
//      判断该用户是否拥有权限
        String roleManagement = permissionSetting.getRoleManagement();
        if (!"0".equals(roleManagement) && !roleManagement.contains("1")) {
            return CommonResult.fail("此账号暂无该权限");
        }

        String name = saveParentUserDto.getName();
        LambdaQueryWrapper<UsersMenu> wrapperUm = new LambdaQueryWrapper<>();
        wrapperUm.eq(UsersMenu::getName, name);
        UsersMenu one = usersMenuService.getOne(wrapperUm);
        if (ObjectUtils.isNotEmpty(one)) {
            return CommonResult.fail("已有该角色");
        }
        UsersMenu usersMenu = new UsersMenu();
        usersMenu.setParentId(0);
        usersMenu.setName(name);
        usersMenuService.save(usersMenu);
        return CommonResult.ok();

    }

    @Override
    public CommonResult saveUserSecondary(SaveSecondaryUserDto saveSecondaryUserDto) {
        if (ObjectUtils.isEmpty(saveSecondaryUserDto)) {
            return CommonResult.fail();
        }

        int adminId = saveSecondaryUserDto.getAdminMenuId();
        PermissionSetting permissionSetting = permissionSettingService.getById(adminId);
        if (ObjectUtils.isEmpty(permissionSetting)) {
            return CommonResult.fail("非法进入");
        }
//      判断该用户是否拥有权限
        String roleManagement = permissionSetting.getRoleManagement();
        if (!"0".equals(roleManagement) && !roleManagement.contains("1")) {
            return CommonResult.fail("此账号暂无该权限");
        }


        String name = saveSecondaryUserDto.getName();
        LambdaQueryWrapper<UsersMenu> wrapperUm = new LambdaQueryWrapper<>();
        wrapperUm.eq(UsersMenu::getName, name);
        UsersMenu one = usersMenuService.getOne(wrapperUm);
        if (ObjectUtils.isNotEmpty(one)) {
            return CommonResult.fail("已有该角色");
        }
        UsersMenu usersMenu = new UsersMenu();
        usersMenu.setParentId(saveSecondaryUserDto.getParentId());
        usersMenu.setName(name);
        usersMenuService.save(usersMenu);
        return CommonResult.ok();
    }



    @Override
    public CommonResult userListPage(int adminMenuId,int page, int size, String keyWord, String startTime, String endTime) {
        PermissionSetting permissionSetting = permissionSettingService.getById(adminMenuId);
        if (ObjectUtils.isEmpty(permissionSetting)) {
            return CommonResult.fail("非法进入");
        }
//      判断该用户是否拥有权限
        String roleManagement = permissionSetting.getRoleManagement();
        if (!"0".equals(roleManagement) && !roleManagement.contains("4")) {
            return CommonResult.fail("此账号暂无该权限");
        }


        if (ObjectUtils.isEmpty(page) && page <= 0) {
            page = 1;
        }

        if (ObjectUtils.isEmpty(size) && size <= 0) {
            size = 10;
        }


        LambdaQueryWrapper<UsersMenu> wrapperUM = new LambdaQueryWrapper<>();
        wrapperUM.like(ObjectUtils.isNotEmpty(keyWord), UsersMenu::getName, keyWord)
                .between(ObjectUtils.isNotEmpty(startTime) && ObjectUtils.isNotEmpty(endTime), UsersMenu::getCreateTime, startTime, endTime);

        IPage<UsersMenu> page1 = usersMenuService.page(new Page<>(page, size), wrapperUM);


        return CommonResult.ok(page1);
    }

    @Override
    public CommonResult deleteUsersMenu(int adminMenuId, int userMenuId) {
        PermissionSetting permissionSetting = permissionSettingService.getById(adminMenuId);
        if (ObjectUtils.isEmpty(permissionSetting)) {
            return CommonResult.fail("非法进入");
        }
//      判断该用户是否拥有权限
        String roleManagement = permissionSetting.getRoleManagement();
        if (!"0".equals(roleManagement) && !roleManagement.contains("3")) {
            return CommonResult.fail("此账号暂无该权限");
        }
//        判断是否有子用户角色
        List<UsersMenu> usersMenuList=usersMenuService.listUserMenuId(userMenuId);

        List<Users> users=usersService.listUserMenuId(userMenuId);

        if (users.size()>0) {
            return CommonResult.fail("该角色下还有用户");
        }

        if (ObjectUtils.isNotEmpty(usersMenuList)&&usersMenuList.size()>0) {
            return CommonResult.fail("该角色下还有其他角色未删除");
        }

        boolean b = usersMenuService.removeById(userMenuId);
        if (!b) {
            return CommonResult.fail("删除失败");
        }
        return CommonResult.ok();

    }




    /**
     * 根据父类ID获取树形菜单数据
     *
     * @param parentID 父级ID
     * @param lists    数据集合
     * @return
     */
    private List<AdminMenuTreeVo> QueryAreaTreeRecords(Integer parentID, List<UsersMenu> lists) {
        List<AdminMenuTreeVo> newTrees = new ArrayList<>();

        List<UsersMenu> datas = lists.stream().filter(e -> e.getParentId().equals(parentID)).collect(Collectors.toList());

        for (UsersMenu data : datas) {
            AdminMenuTreeVo item = AdminMenuTreeVo.builder()
                    .id(data.getId())
                    .parentId(data.getParentId())
                    .name(data.getName())
                    .build();
            List<AdminMenuTreeVo> news = QueryAreaTreeRecords(item.getId(), lists);
            if (news == null || news.size() == 0) {
                newTrees.add(item);
                continue;
            } else {
                item.setChildren(news);
                newTrees.add(item);
            }
        }

        return newTrees;
    }

}