content: 
  package com.platform.modules.system.rest;
  
  import cn.hutool.core.collection.CollectionUtil;
  import com.platform.modules.system.domain.Menu;
  import io.swagger.annotations.Api;
  import io.swagger.annotations.ApiOperation;
  import lombok.RequiredArgsConstructor;
  import com.platform.annotation.Log;
  import com.platform.exception.BadRequestException;
  import com.platform.modules.system.service.MenuService;
  import com.platform.modules.system.service.dto.MenuDto;
  import com.platform.modules.system.service.dto.MenuQueryCriteria;
  import com.platform.modules.system.service.mapstruct.MenuMapper;
  import com.platform.utils.PageUtil;
  import com.platform.utils.SecurityUtils;
  import org.springframework.http.HttpStatus;
  import org.springframework.http.ResponseEntity;
  import org.springframework.security.access.prepost.PreAuthorize;
  import org.springframework.validation.annotation.Validated;
  import org.springframework.web.bind.annotation.*;
  import javax.servlet.http.HttpServletResponse;
  import java.util.*;
  import java.util.List;
  import java.util.stream.Collectors;
  
  /**
   * @author AllDataDC
   * @date 2023-01-27
   */
  
  @RestController
  @RequiredArgsConstructor
  @Api(tags = "系统：菜单管理")
  @RequestMapping("/api/menus")
  public class MenuController {
  
      private final MenuService menuService;
      private final MenuMapper menuMapper;
      private static final String ENTITY_NAME = "menu";
  
      @ApiOperation("导出菜单数据")
      @GetMapping(value = "/download")
      @PreAuthorize("@el.check('menu:list')")
      public void exportMenu(HttpServletResponse response, MenuQueryCriteria criteria) throws Exception {
          menuService.download(menuService.queryAll(criteria, false), response);
      }
  
      @GetMapping(value = "/build")
      @ApiOperation("获取前端所需菜单")
      public ResponseEntity<Object> buildMenus(){
          List<MenuDto> menuDtoList = menuService.findByUser(SecurityUtils.getCurrentUserId());
          List<MenuDto> menuDtos = menuService.buildTree(menuDtoList);
          return new ResponseEntity<>(menuService.buildMenus(menuDtos),HttpStatus.OK);
      }
  
      @ApiOperation("返回全部的菜单")
      @GetMapping(value = "/lazy")
      @PreAuthorize("@el.check('menu:list','roles:list')")
      public ResponseEntity<Object> queryAllMenu(@RequestParam Long pid){
          return new ResponseEntity<>(menuService.getMenus(pid),HttpStatus.OK);
      }
  
      @ApiOperation("根据菜单ID返回所有子节点ID，包含自身ID")
      @GetMapping(value = "/child")
      @PreAuthorize("@el.check('menu:list','roles:list')")
      public ResponseEntity<Object> childMenu(@RequestParam Long id){
          Set<Menu> menuSet = new HashSet<>();
          List<MenuDto> menuList = menuService.getMenus(id);
          menuSet.add(menuService.findOne(id));
          menuSet = menuService.getChildMenus(menuMapper.toEntity(menuList), menuSet);
          Set<Long> ids = menuSet.stream().map(Menu::getId).collect(Collectors.toSet());
          return new ResponseEntity<>(ids,HttpStatus.OK);
      }
  
      @GetMapping
      @ApiOperation("查询菜单")
      @PreAuthorize("@el.check('menu:list')")
      public ResponseEntity<Object> queryMenu(MenuQueryCriteria criteria) throws Exception {
          List<MenuDto> menuDtoList = menuService.queryAll(criteria, true);
          return new ResponseEntity<>(PageUtil.toPage(menuDtoList, menuDtoList.size()),HttpStatus.OK);
      }
  
      @ApiOperation("查询菜单:根据ID获取同级与上级数据")
      @PostMapping("/superior")
      @PreAuthorize("@el.check('menu:list')")
      public ResponseEntity<Object> getMenuSuperior(@RequestBody List<Long> ids) {
          Set<MenuDto> menuDtos = new LinkedHashSet<>();
          if(CollectionUtil.isNotEmpty(ids)){
              for (Long id : ids) {
                  MenuDto menuDto = menuService.findById(id);
                  menuDtos.addAll(menuService.getSuperior(menuDto, new ArrayList<>()));
              }
              return new ResponseEntity<>(menuService.buildTree(new ArrayList<>(menuDtos)),HttpStatus.OK);
          }
          return new ResponseEntity<>(menuService.getMenus(null),HttpStatus.OK);
      }
  
      @Log("新增菜单")
      @ApiOperation("新增菜单")
      @PostMapping
      @PreAuthorize("@el.check('menu:add')")
      public ResponseEntity<Object> createMenu(@Validated @RequestBody Menu resources){
          if (resources.getId() != null) {
              throw new BadRequestException("A new "+ ENTITY_NAME +" cannot already have an ID");
          }
          menuService.create(resources);
          return new ResponseEntity<>(HttpStatus.CREATED);
      }
  
      @Log("修改菜单")
      @ApiOperation("修改菜单")
      @PutMapping
      @PreAuthorize("@el.check('menu:edit')")
      public ResponseEntity<Object> updateMenu(@Validated(Menu.Update.class) @RequestBody Menu resources){
          menuService.update(resources);
          return new ResponseEntity<>(HttpStatus.NO_CONTENT);
      }
  
      @Log("删除菜单")
      @ApiOperation("删除菜单")
      @DeleteMapping
      @PreAuthorize("@el.check('menu:del')")
      public ResponseEntity<Object> deleteMenu(@RequestBody Set<Long> ids){
          Set<Menu> menuSet = new HashSet<>();
          for (Long id : ids) {
              List<MenuDto> menuList = menuService.getMenus(id);
              menuSet.add(menuService.findOne(id));
              menuSet = menuService.getChildMenus(menuMapper.toEntity(menuList), menuSet);
          }
          menuService.delete(menuSet);
          return new ResponseEntity<>(HttpStatus.OK);
      }
  }
  