package com.oying.modules.system.rest;
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import cn.hutool.core.collection.CollectionUtil;
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import com.oying.modules.system.domain.Menu;
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import com.oying.modules.system.domain.dto.MenuQueryCriteria;
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import com.oying.modules.system.domain.dto.MenuVo;
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import io.swagger.annotations.Api;
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import io.swagger.annotations.ApiOperation;
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import lombok.RequiredArgsConstructor;
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import com.oying.annotation.Log;
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import com.oying.exception.BadRequestException;
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import com.oying.modules.system.service.MenuService;
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import com.oying.utils.PageResult;
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import com.oying.utils.PageUtil;
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import com.oying.utils.SecurityUtils;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.ResponseEntity;
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import org.springframework.security.access.prepost.PreAuthorize;
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import org.springframework.validation.annotation.Validated;
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import org.springframework.web.bind.annotation.*;
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import javax.servlet.http.HttpServletResponse;
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import java.util.*;
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import java.util.stream.Collectors;
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/**
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* @author Z
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* @date 2018-12-03
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*/
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@RestController
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@RequiredArgsConstructor
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@Api(tags = "系统：菜单管理")
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@RequestMapping("/api/menus")
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public class MenuController {
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private final MenuService menuService;
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private static final String ENTITY_NAME = "menu";
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@ApiOperation("导出菜单数据")
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@GetMapping(value = "/download")
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@PreAuthorize("@el.check('menu:list')")
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public void exportMenu(HttpServletResponse response, MenuQueryCriteria criteria) throws Exception {
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menuService.download(menuService.queryAll(criteria, false), response);
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}
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@GetMapping(value = "/build")
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@ApiOperation("获取前端所需菜单")
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public ResponseEntity<List<MenuVo>> buildMenus(){
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List<Menu> menuList = menuService.findByUser(SecurityUtils.getCurrentUserId());
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List<Menu> menus = menuService.buildTree(menuList);
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return new ResponseEntity<>(menuService.buildMenus(menus),HttpStatus.OK);
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}
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@ApiOperation("返回全部的菜单")
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@GetMapping(value = "/lazy")
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@PreAuthorize("@el.check('menu:list','roles:list')")
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public ResponseEntity<List<Menu>> queryAllMenu(@RequestParam Long pid){
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return new ResponseEntity<>(menuService.getMenus(pid),HttpStatus.OK);
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}
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@ApiOperation("根据菜单ID返回所有子节点ID，包含自身ID")
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@GetMapping(value = "/child")
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@PreAuthorize("@el.check('menu:list','roles:list')")
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public ResponseEntity<Object> childMenu(@RequestParam Long id){
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Set<Menu> menuSet = new HashSet<>();
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List<Menu> menuList = menuService.getMenus(id);
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menuSet.add(menuService.getById(id));
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menuSet = menuService.getChildMenus(menuList, menuSet);
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Set<Long> ids = menuSet.stream().map(Menu::getId).collect(Collectors.toSet());
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return new ResponseEntity<>(ids,HttpStatus.OK);
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}
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@GetMapping
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@ApiOperation("查询菜单")
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@PreAuthorize("@el.check('menu:list')")
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public ResponseEntity<PageResult<Menu>> queryMenu(MenuQueryCriteria criteria) throws Exception {
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List<Menu> menuList = menuService.queryAll(criteria, true);
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return new ResponseEntity<>(PageUtil.toPage(menuList),HttpStatus.OK);
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}
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@ApiOperation("查询菜单:根据ID获取同级与上级数据")
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@PostMapping("/superior")
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@PreAuthorize("@el.check('menu:list')")
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public ResponseEntity<List<Menu>> getMenuSuperior(@RequestBody List<Long> ids) {
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Set<Menu> menus = new LinkedHashSet<>();
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if(CollectionUtil.isNotEmpty(ids)){
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for (Long id : ids) {
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Menu menu = menuService.findById(id);
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List<Menu> menuList = menuService.getSuperior(menu, new ArrayList<>());
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for (Menu data : menuList) {
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if(data.getId().equals(menu.getPid())) {
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data.setSubCount(data.getSubCount() - 1);
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}
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}
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menus.addAll(menuList);
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}
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// 编辑菜单时不显示自己以及自己下级的数据，避免出现PID数据环形问题
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menus = menus.stream().filter(i -> !ids.contains(i.getId())).collect(Collectors.toSet());
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return new ResponseEntity<>(menuService.buildTree(new ArrayList<>(menus)),HttpStatus.OK);
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}
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return new ResponseEntity<>(menuService.getMenus(null),HttpStatus.OK);
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}
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@Log("新增菜单")
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@ApiOperation("新增菜单")
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@PostMapping
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@PreAuthorize("@el.check('menu:add')")
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public ResponseEntity<Object> createMenu(@Validated @RequestBody Menu resources){
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if (resources.getId() != null) {
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throw new BadRequestException("A new "+ ENTITY_NAME +" cannot already have an ID");
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}
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menuService.create(resources);
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return new ResponseEntity<>(HttpStatus.CREATED);
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}
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@Log("修改菜单")
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@ApiOperation("修改菜单")
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@PutMapping
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@PreAuthorize("@el.check('menu:edit')")
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public ResponseEntity<Object> updateMenu(@Validated(Menu.Update.class) @RequestBody Menu resources){
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menuService.update(resources);
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return new ResponseEntity<>(HttpStatus.NO_CONTENT);
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}
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@Log("删除菜单")
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@ApiOperation("删除菜单")
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@DeleteMapping
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@PreAuthorize("@el.check('menu:del')")
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public ResponseEntity<Object> deleteMenu(@RequestBody Set<Long> ids){
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Set<Menu> menuSet = new HashSet<>();
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for (Long id : ids) {
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List<Menu> menuList = menuService.getMenus(id);
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menuSet.add(menuService.getById(id));
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menuSet = menuService.getChildMenus(menuList, menuSet);
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}
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menuService.delete(menuSet);
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return new ResponseEntity<>(HttpStatus.OK);
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}
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}
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