| package com.moral.api.service.impl; | 
|   | 
| import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; | 
| import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper; | 
| import com.moral.api.config.mybatis.wrapper.NullFilterWrapper; | 
| import com.moral.api.entity.Group; | 
| import com.moral.api.entity.Menu; | 
| import com.moral.api.mapper.GroupMenuMapper; | 
| import com.moral.api.mapper.MenuMapper; | 
| import com.moral.api.pojo.dto.menu.MenuDTO; | 
| import com.moral.api.pojo.dto.menu.MenuQueryDTO; | 
| import com.moral.api.pojo.dto.menu.MenuQueryNamesDTO; | 
| import com.moral.api.pojo.form.menu.MenuDeleteForm; | 
| import com.moral.api.pojo.form.menu.MenuInsertForm; | 
| import com.moral.api.pojo.form.menu.MenuQueryNamesForm; | 
| import com.moral.api.pojo.form.menu.MenuUpdateForm; | 
| import com.moral.api.service.GroupService; | 
| import com.moral.api.service.MenuService; | 
| import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; | 
| import com.moral.api.util.CompareFieldUtils; | 
| import com.moral.api.util.LogUtils; | 
| import com.moral.constant.Constants; | 
| import com.moral.constant.ResponseCodeEnum; | 
| import com.moral.pojo.CompareFieldResult; | 
| import org.springframework.beans.factory.annotation.Autowired; | 
| import org.springframework.stereotype.Service; | 
| import org.springframework.transaction.annotation.Transactional; | 
| import org.springframework.util.ObjectUtils; | 
|   | 
| import java.util.ArrayList; | 
| import java.util.HashMap; | 
| import java.util.List; | 
| import java.util.Map; | 
| import java.util.function.Predicate; | 
|   | 
| /** | 
|  * <p> | 
|  * 前台菜单 服务实现类 | 
|  * </p> | 
|  * | 
|  * @author moral | 
|  * @since 2021-03-09 | 
|  */ | 
| @Service | 
| public class MenuServiceImpl extends ServiceImpl<MenuMapper, Menu> implements MenuService { | 
|   | 
|     @Autowired | 
|     MenuMapper menuMapper; | 
|     @Autowired | 
|     GroupService groupService; | 
|     @Autowired | 
|     GroupMenuMapper groupMenuMapper; | 
|   | 
|     @Override | 
|     public MenuQueryDTO queryAllMenus() { | 
|         //创建返回对象 | 
|         MenuQueryDTO dto = new MenuQueryDTO(); | 
|         //获取所有菜单 | 
|         QueryWrapper wrapper = new QueryWrapper(); | 
|         wrapper.eq("is_delete", Constants.NOT_DELETE); | 
|         List<Menu> menus = menuMapper.selectList(wrapper); | 
|         //组装成父子结构 | 
|         combinationParentChildrenMenus(menus); | 
|         //转换菜单为DTO | 
|         List<MenuDTO> dtos = new ArrayList<>(); | 
|         for (Menu menu : menus) { | 
|             MenuDTO menuDTO = new MenuDTO(); | 
|             menuDTO.setMenu(menu); | 
|             dtos.add(menuDTO); | 
|         } | 
|         dto.setDtos(dtos); | 
|         dto.setCode(ResponseCodeEnum.SUCCESS.getCode()); | 
|         dto.setMsg(ResponseCodeEnum.SUCCESS.getMsg()); | 
|         return dto; | 
|     } | 
|   | 
|     @Override | 
|     public MenuQueryDTO queryAdminGroupMenusByOrganizationId(Integer organizationId) { | 
|         //创建返回对象 | 
|         MenuQueryDTO dto = new MenuQueryDTO(); | 
|         //查询组织admin角色 | 
|         Group group = groupService.queryAdminGroupByOrganizationId(organizationId); | 
|         if (ObjectUtils.isEmpty(group)) {//如果没有角色则证明组织还没有账号 | 
|             dto.setCode(ResponseCodeEnum.ORGANIZATION_USER_NOT_EXIST.getCode()); | 
|             dto.setMsg(ResponseCodeEnum.ORGANIZATION_USER_NOT_EXIST.getMsg()); | 
|             return dto; | 
|         } | 
|         //根据角色查询拥有的所有菜单 | 
|         List<Menu> ownMenus = menuMapper.getMenusByGroupId(group.getId()); | 
|   | 
|         /*判断每个菜单是否有子菜单,如果有则不传递 | 
|          * 前端无法解决父菜单选中,子菜单没有全部选中回显问题。由后端处理的代码。*/ | 
|         removeMenuWithChildren(ownMenus); | 
|   | 
|         //封装返回结果 | 
|         List<MenuDTO> dtos = new ArrayList<>(); | 
|         for (Menu menu : ownMenus) { | 
|             MenuDTO menuDTO = new MenuDTO(); | 
|             menuDTO.setMenu(menu); | 
|             dtos.add(menuDTO); | 
|         } | 
|         dto.setDtos(dtos); | 
|         dto.setCode(ResponseCodeEnum.SUCCESS.getCode()); | 
|         dto.setMsg(ResponseCodeEnum.SUCCESS.getMsg()); | 
|         return dto; | 
|     } | 
|   | 
|     @Override | 
|     @Transactional | 
|     public MenuDTO insertMenu(MenuInsertForm form) { | 
|         //创建返回对象 | 
|         MenuDTO dto = new MenuDTO(); | 
|         //取参 | 
|         Menu menu = form.formConvertEntity(); | 
|         //检查名字是否重复 | 
|         Menu existMenu = new Menu(); | 
|         existMenu.setName(menu.getName()); | 
|         existMenu.setIsDelete(Constants.NOT_DELETE); | 
|         QueryWrapper existWrapper = new QueryWrapper(); | 
|         existWrapper.setEntity(existMenu); | 
|         Menu existMenuResult = menuMapper.selectOne(existWrapper); | 
|         if (!ObjectUtils.isEmpty(existMenuResult)) { | 
|             dto.setCode(ResponseCodeEnum.MENU_IS_EXIST.getCode()); | 
|             dto.setMsg(ResponseCodeEnum.MENU_IS_EXIST.getMsg()); | 
|             return dto; | 
|         } | 
|         //执行插入逻辑 | 
|         menuMapper.insert(menu); | 
|         //插入日志 | 
|         insertLog(menu); | 
|         //封装返回对象 | 
|         dto.setMenu(menu); | 
|         dto.setCode(ResponseCodeEnum.SUCCESS.getCode()); | 
|         dto.setMsg(ResponseCodeEnum.SUCCESS.getMsg()); | 
|         return dto; | 
|     } | 
|   | 
|     @Override | 
|     @Transactional | 
|     public MenuDTO deleteMenu(MenuDeleteForm form) { | 
|         //创建返回对象 | 
|         MenuDTO dto = new MenuDTO(); | 
|         //取参 | 
|         Integer id = form.getId(); | 
|         //查询要删除的菜单 | 
|         Menu existMenu = menuMapper.selectById(id); | 
|         if (ObjectUtils.isEmpty(existMenu)) { | 
|             dto.setCode(ResponseCodeEnum.MENU_IS_NULL.getCode()); | 
|             dto.setMsg(ResponseCodeEnum.MENU_IS_NULL.getMsg()); | 
|             return dto; | 
|         } | 
|         //删除所有子菜单 | 
|         List<Integer> childrenIds = getChildrenIdsByParentId(id); | 
|         if (!ObjectUtils.isEmpty(childrenIds)) { | 
|             UpdateWrapper wrapper = new UpdateWrapper(); | 
|             wrapper.in("id", childrenIds); | 
|             wrapper.set("is_delete", Constants.DELETE); | 
|             menuMapper.update(null, wrapper); | 
|         } | 
|         //删除菜单 | 
|         existMenu.setIsDelete(Constants.DELETE); | 
|         menuMapper.updateById(existMenu); | 
|         //删除角色菜单关系表中对应的菜单 | 
|         UpdateWrapper deleteGroupMenuWrapper = new UpdateWrapper(); | 
|         List<Integer> allMenuIds = new ArrayList<>(); | 
|         allMenuIds.add(id); | 
|         if (!ObjectUtils.isEmpty(childrenIds)) { | 
|             allMenuIds.addAll(childrenIds); | 
|         } | 
|         deleteGroupMenuWrapper.in("menu_id", allMenuIds); | 
|         deleteGroupMenuWrapper.set("is_delete", Constants.DELETE); | 
|         groupMenuMapper.update(null, deleteGroupMenuWrapper); | 
|         //插入日志 | 
|         StringBuilder content = new StringBuilder(); | 
|         if (existMenu.getParentId().equals(0)) | 
|             content.append("删除了父菜单:" + existMenu.getName() + ";"); | 
|         else | 
|             content.append("删除了子菜单:" + existMenu.getName() + ";"); | 
|         if (!ObjectUtils.isEmpty(childrenIds)) { | 
|             for (Integer childrenId : childrenIds) { | 
|                 content.append("及其子菜单:" + menuMapper.selectById(childrenId).getName() + ";"); | 
|             } | 
|         } | 
|         LogUtils.saveOperationForManage(content.toString(), Constants.DELETE_OPERATE_TYPE); | 
|         //封装返回对象 | 
|         dto.setCode(ResponseCodeEnum.SUCCESS.getCode()); | 
|         dto.setMsg(ResponseCodeEnum.SUCCESS.getMsg()); | 
|         dto.setMenu(existMenu); | 
|         return dto; | 
|     } | 
|   | 
|     @Override | 
|     public MenuDTO updateMenu(MenuUpdateForm form) { | 
|         //创建返回对象 | 
|         MenuDTO dto = new MenuDTO(); | 
|         //取参 | 
|         Menu menu = form.formConvertEntity(); | 
|         //查找更新前的菜单用于插入日志 | 
|         QueryWrapper<Menu> oldMenuWrapper = new QueryWrapper<>(); | 
|         Menu oldMenu = new Menu(); | 
|         oldMenu.setId(menu.getId()); | 
|         oldMenu.setIsDelete(Constants.NOT_DELETE); | 
|         oldMenuWrapper.setEntity(oldMenu); | 
|         oldMenu = menuMapper.selectOne(oldMenuWrapper); | 
|         if (ObjectUtils.isEmpty(oldMenu)) { | 
|             dto.setCode(ResponseCodeEnum.MENU_IS_NULL.getCode()); | 
|             dto.setMsg(ResponseCodeEnum.MENU_IS_NULL.getMsg()); | 
|             return dto; | 
|         } | 
|         //更新 | 
|         menuMapper.updateById(menu); | 
|         //获取更新后的对象 | 
|         menu = menuMapper.selectById(menu.getId()); | 
|         //插入日志 | 
|         updateLog(oldMenu, menu); | 
|         //封装返回对象 | 
|         dto.setMenu(menu); | 
|         dto.setCode(ResponseCodeEnum.SUCCESS.getCode()); | 
|         dto.setMsg(ResponseCodeEnum.SUCCESS.getMsg()); | 
|         return dto; | 
|     } | 
|   | 
|     @Override | 
|     public MenuQueryNamesDTO queryNames(MenuQueryNamesForm form) { | 
|         //创建返回对象 | 
|         MenuQueryNamesDTO dto = new MenuQueryNamesDTO(); | 
|         //取参 | 
|         Integer id = form.getId(); | 
|         String name = form.getName(); | 
|         //查询结果 | 
|         NullFilterWrapper<Menu> wrapper = new NullFilterWrapper<>(); | 
|         wrapper.eq("is_delete", Constants.NOT_DELETE); | 
|         wrapper.like("name", name); | 
|         List<Menu> menus = menuMapper.selectList(wrapper); | 
|         //过滤该id对应的所有子菜单 | 
|         List<Integer> childrenIds = getChildrenIdsByParentId(id);//获取所有子菜单id结合 | 
|         if (ObjectUtils.isEmpty(childrenIds)) { | 
|             menus.removeIf(new Predicate<Menu>() { | 
|                 @Override | 
|                 public boolean test(Menu m) { | 
|                     if (m.getId().equals(id)) | 
|                         return true; | 
|                     return false; | 
|                 } | 
|             }); | 
|         } else { | 
|             menus.removeIf(new Predicate<Menu>() { | 
|                 @Override | 
|                 public boolean test(Menu m) { | 
|                     if (childrenIds.contains(m.getId()) || m.getId().equals(id)) | 
|                         return true; | 
|                     return false; | 
|                 } | 
|             }); | 
|         } | 
|   | 
|         //封装返回对象 | 
|         dto.setMenus(menus); | 
|         dto.setCode(ResponseCodeEnum.SUCCESS.getCode()); | 
|         dto.setMsg(ResponseCodeEnum.SUCCESS.getMsg()); | 
|         return dto; | 
|     } | 
|   | 
|   | 
|     /** | 
|      * @Description: 将传来的菜单集合封装成父子结构的集合 | 
|      * @Param: [menus] | 
|      * @return: java.util.List<com.moral.api.entity.Menu> | 
|      * @Author: 陈凯裕 | 
|      * @Date: 2021/5/13 | 
|      */ | 
|     private void combinationParentChildrenMenus(List<Menu> menus) { | 
|         //组合menu父子结构 | 
|         Map<Integer, Menu> menuMap = new HashMap<>(); | 
|         for (Menu menu : menus) { | 
|             menuMap.put(menu.getId(), menu); | 
|             menu.setChildren(new ArrayList<>());//初始化集合 | 
|         } | 
|         for (Menu menu : menus) { | 
|             putMenuToParentMenu(menuMap, menu); | 
|         } | 
|         //删除非根菜单 | 
|         menus.removeIf(new Predicate<Menu>() { | 
|             @Override | 
|             public boolean test(Menu menu) { | 
|                 if (menu.getParentId().equals(0)) | 
|                     return false; | 
|                 return true; | 
|             } | 
|         }); | 
|     } | 
|   | 
|     /** | 
|      * @Description: 把传来的menu放到menuMap对应的父菜单中 | 
|      * @Param: [menuMap, menu] | 
|      * @return: void | 
|      * @Author: 陈凯裕 | 
|      * @Date: 2021/5/6 | 
|      */ | 
|     private void putMenuToParentMenu(Map<Integer, Menu> menuMap, Menu menu) { | 
|         Integer parentId = menu.getParentId(); | 
|         Menu parentMenu = menuMap.get(parentId); | 
|         if (!ObjectUtils.isEmpty(parentMenu)) { | 
|             parentMenu.getChildren().add(menu); | 
|         } | 
|     } | 
|   | 
|     /** | 
|      * @Description: 根据菜单的id获取封装好children的menu对象 | 
|      * @Param: [id] | 
|      * @return: com.moral.api.entity.Menu | 
|      * @Author: 陈凯裕 | 
|      * @Date: 2021/4/26 | 
|      */ | 
|     private Menu getMenuAndChildrenById(Integer id) { | 
|         //获取所有菜单 | 
|         QueryWrapper wrapper = new QueryWrapper(); | 
|         wrapper.eq("is_delete", Constants.NOT_DELETE); | 
|         List<Menu> menus = menuMapper.selectList(wrapper); | 
|         //组合menu父子结构 | 
|         Map<Integer, Menu> menuMap = new HashMap<>(); | 
|         for (Menu menu : menus) { | 
|             menuMap.put(menu.getId(), menu); | 
|             menu.setChildren(new ArrayList<>());//初始化集合 | 
|         } | 
|         for (Menu menu : menus) { | 
|             putMenuToParentMenu(menuMap, menu); | 
|         } | 
|         Menu menu = menuMap.get(id); | 
|         return menu; | 
|     } | 
|   | 
|     /** | 
|      * @Description: 获取该菜单下的所有子菜单id集合 | 
|      * @Param: [id] | 
|      * @return: java.util.List<java.lang.Integer> | 
|      * @Author: 陈凯裕 | 
|      * @Date: 2021/4/26 | 
|      */ | 
|     private List<Integer> getChildrenIdsByParentId(Integer id) { | 
|         Menu parentMenu = getMenuAndChildrenById(id); | 
|         List<Integer> childrenIds = null; | 
|         if (!ObjectUtils.isEmpty(parentMenu.getChildren())) { | 
|             List<Menu> children = parentMenu.getChildren(); | 
|             childrenIds = new ArrayList<>(); | 
|             for (Menu child : children) { | 
|                 recursiveAccess(child, childrenIds); | 
|             } | 
|         } | 
|         return childrenIds; | 
|     } | 
|   | 
|   | 
|     /** | 
|      * @Description: 递归获取菜单以及children的id放入集合中 | 
|      * @Param: [menu, ids] | 
|      * @return: void | 
|      * @Author: 陈凯裕 | 
|      * @Date: 2021/4/26 | 
|      */ | 
|     private void recursiveAccess(Menu menu, List<Integer> ids) { | 
|         ids.add(menu.getId()); | 
|         List<Menu> children = menu.getChildren(); | 
|         if (!ObjectUtils.isEmpty(children)) { | 
|             for (Menu child : children) { | 
|                 recursiveAccess(child, ids); | 
|             } | 
|         } | 
|     } | 
|   | 
|     /** | 
|      * @Description: 移除含有子菜单的菜单 | 
|      * @Param: [menus] | 
|      * @return: java.util.List<com.moral.api.entity.Menu> | 
|      * @Author: 陈凯裕 | 
|      * @Date: 2021/5/28 | 
|      */ | 
|     private void removeMenuWithChildren(List<Menu> menus) { | 
|         //查询所有菜单 | 
|         QueryWrapper wrapper = new QueryWrapper(); | 
|         wrapper.eq("is_delete", Constants.NOT_DELETE); | 
|         List<Menu> allMenus = menuMapper.selectList(wrapper); | 
|         //组合menu父子结构 | 
|         Map<Integer, Menu> menuMap = new HashMap<>(); | 
|         for (Menu menu : allMenus) { | 
|             menuMap.put(menu.getId(), menu); | 
|             menu.setChildren(new ArrayList<>());//初始化集合 | 
|         } | 
|         for (Menu menu : allMenus) { | 
|             putMenuToParentMenu(menuMap, menu); | 
|         } | 
|         //移除含有子菜单的菜单 | 
|         menus.removeIf(new Predicate<Menu>() { | 
|             @Override | 
|             public boolean test(Menu menu) { | 
|                 if (ObjectUtils.isEmpty(menuMap.get(menu.getId()).getChildren())) | 
|                     return false; | 
|                 return true; | 
|             } | 
|         }); | 
|     } | 
|   | 
|     /** | 
|      * @Description: 更新操作插入日志 | 
|      * @Param: [oldMenu, newMenu] | 
|      * @return: void | 
|      * @Author: 陈凯裕 | 
|      * @Date: 2021/8/24 | 
|      */ | 
|     private void updateLog(Menu oldMenu, Menu newMenu) { | 
|         List<CompareFieldResult> compareResult = CompareFieldUtils.compare(Menu.class, oldMenu, newMenu); | 
|         for (CompareFieldResult result : compareResult) { | 
|             //parentId做特殊处理 | 
|             if (result.getFieldName().equals("parentId")) { | 
|                 //父菜单id转为菜单名称 | 
|                 String oldData = result.getOldData(); | 
|                 String newData = result.getNewData(); | 
|   | 
|                 if (!oldData.equals("0")) | 
|                     oldData = menuMapper.selectById(Integer.parseInt(oldData)).getName(); | 
|                 else | 
|                     oldData = "null"; | 
|   | 
|                 if (!newData.equals("0")) | 
|                     newData = menuMapper.selectById(Integer.parseInt(newData)).getName(); | 
|                 else | 
|                     newData = "null"; | 
|   | 
|                 result.setNewData(newData); | 
|                 result.setOldData(oldData); | 
|                 result.setFieldAnnoName("父菜单"); | 
|             } | 
|         } | 
|         String content = CompareFieldUtils.resultsConvertContent(compareResult, "修改了前台菜单"); | 
|         LogUtils.saveOperationForManage(content, Constants.UPDATE_OPERATE_TYPE); | 
|     } | 
|   | 
|     /** | 
|      * @Description: 插入操作插入日志 | 
|      * @Param: [menu] | 
|      * @return: void | 
|      * @Author: 陈凯裕 | 
|      * @Date: 2021/8/24 | 
|      */ | 
|     private void insertLog(Menu menu) { | 
|         StringBuilder content = new StringBuilder(); | 
|         //判断插入的是子菜单还是父菜单 | 
|         if (menu.getParentId().equals(0)) { | 
|             content.append("添加了前台父菜单;"); | 
|         } else { | 
|             content.append("添加了前台子菜单;"); | 
|             //根据父菜单id查询菜单名称 | 
|             Menu parentMenu = menuMapper.selectById(menu.getParentId()); | 
|             content.append("父菜单:" + parentMenu.getName() + ";"); | 
|         } | 
|         content.append("名称:" + menu.getName() + ";"); | 
|         if (menu.getUrl() != null) | 
|             content.append("url:" + menu.getUrl() + ";"); | 
|         content.append("顺序:" + menu.getOrder() + ";"); | 
|         LogUtils.saveOperationForManage(content.toString(), Constants.INSERT_OPERATE_TYPE); | 
|     } | 
|   | 
| } |