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250
app/main/api/internal/logic/admin_menu/getmenualllogic.go
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250
app/main/api/internal/logic/admin_menu/getmenualllogic.go
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package admin_menu
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import (
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"context"
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"sort"
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"strconv"
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"hm-server/app/main/api/internal/svc"
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"hm-server/app/main/api/internal/types"
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"hm-server/common/ctxdata"
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"hm-server/common/xerr"
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"github.com/Masterminds/squirrel"
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"github.com/bytedance/sonic"
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"github.com/pkg/errors"
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"github.com/samber/lo"
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"github.com/zeromicro/go-zero/core/logx"
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"github.com/zeromicro/go-zero/core/mr"
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)
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type GetMenuAllLogic struct {
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logx.Logger
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ctx context.Context
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svcCtx *svc.ServiceContext
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}
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func NewGetMenuAllLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GetMenuAllLogic {
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return &GetMenuAllLogic{
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Logger: logx.WithContext(ctx),
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ctx: ctx,
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svcCtx: svcCtx,
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}
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}
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func (l *GetMenuAllLogic) GetMenuAll(req *types.GetMenuAllReq) (resp *[]types.GetMenuAllResp, err error) {
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userId, err := ctxdata.GetUidFromCtx(l.ctx)
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if err != nil {
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return nil, errors.Wrapf(xerr.NewErrCode(xerr.SERVER_COMMON_ERROR), "获取用户ID失败, %+v", err)
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}
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// 使用MapReduceVoid并发获取用户角色
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var roleIds []int64
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var permissions []*struct {
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RoleId int64
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}
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type UserRoleResult struct {
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RoleId int64
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}
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err = mr.MapReduceVoid(
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func(source chan<- interface{}) {
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adminUserRoleBuilder := l.svcCtx.AdminUserRoleModel.SelectBuilder().Where(squirrel.Eq{"user_id": userId})
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source <- adminUserRoleBuilder
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},
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func(item interface{}, writer mr.Writer[*UserRoleResult], cancel func(error)) {
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builder := item.(squirrel.SelectBuilder)
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result, err := l.svcCtx.AdminUserRoleModel.FindAll(l.ctx, builder, "role_id DESC")
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if err != nil {
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cancel(errors.Wrapf(xerr.NewErrCode(xerr.SERVER_COMMON_ERROR), "获取用户角色信息失败, %+v", err))
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return
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}
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for _, r := range result {
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writer.Write(&UserRoleResult{RoleId: r.RoleId})
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}
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},
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func(pipe <-chan *UserRoleResult, cancel func(error)) {
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for item := range pipe {
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permissions = append(permissions, &struct{ RoleId int64 }{RoleId: item.RoleId})
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}
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},
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)
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if err != nil {
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return nil, err
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}
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for _, permission := range permissions {
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roleIds = append(roleIds, permission.RoleId)
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}
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// 使用MapReduceVoid并发获取角色菜单
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var menuIds []int64
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var roleMenus []*struct {
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MenuId int64
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}
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type RoleMenuResult struct {
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MenuId int64
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}
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err = mr.MapReduceVoid(
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func(source chan<- interface{}) {
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getRoleMenuBuilder := l.svcCtx.AdminRoleMenuModel.SelectBuilder().Where(squirrel.Eq{"role_id": roleIds})
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source <- getRoleMenuBuilder
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},
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func(item interface{}, writer mr.Writer[*RoleMenuResult], cancel func(error)) {
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builder := item.(squirrel.SelectBuilder)
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result, err := l.svcCtx.AdminRoleMenuModel.FindAll(l.ctx, builder, "id DESC")
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if err != nil {
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cancel(errors.Wrapf(xerr.NewErrCode(xerr.SERVER_COMMON_ERROR), "获取角色菜单信息失败, %+v", err))
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return
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}
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for _, r := range result {
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writer.Write(&RoleMenuResult{MenuId: r.MenuId})
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}
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},
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func(pipe <-chan *RoleMenuResult, cancel func(error)) {
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for item := range pipe {
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roleMenus = append(roleMenus, &struct{ MenuId int64 }{MenuId: item.MenuId})
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}
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},
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)
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if err != nil {
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return nil, err
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}
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for _, roleMenu := range roleMenus {
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menuIds = append(menuIds, roleMenu.MenuId)
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}
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// 使用MapReduceVoid并发获取菜单
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type AdminMenuStruct struct {
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Id int64
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Pid int64
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Name string
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Path string
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Component string
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Redirect struct {
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String string
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Valid bool
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}
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Meta string
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Sort int64
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Type int64
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Status int64
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}
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var menus []*AdminMenuStruct
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err = mr.MapReduceVoid(
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func(source chan<- interface{}) {
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adminMenuBuilder := l.svcCtx.AdminMenuModel.SelectBuilder().Where(squirrel.Eq{"id": menuIds})
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source <- adminMenuBuilder
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},
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func(item interface{}, writer mr.Writer[*AdminMenuStruct], cancel func(error)) {
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builder := item.(squirrel.SelectBuilder)
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result, err := l.svcCtx.AdminMenuModel.FindAll(l.ctx, builder, "sort ASC")
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if err != nil {
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cancel(errors.Wrapf(xerr.NewErrCode(xerr.SERVER_COMMON_ERROR), "获取菜单信息失败, %+v", err))
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return
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}
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for _, r := range result {
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menu := &AdminMenuStruct{
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Id: r.Id,
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Pid: r.Pid,
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Name: r.Name,
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Path: r.Path,
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Component: r.Component,
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Redirect: r.Redirect,
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Meta: r.Meta,
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Sort: r.Sort,
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Type: r.Type,
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Status: r.Status,
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}
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writer.Write(menu)
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}
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},
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func(pipe <-chan *AdminMenuStruct, cancel func(error)) {
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for item := range pipe {
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menus = append(menus, item)
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}
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},
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)
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if err != nil {
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return nil, err
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}
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// 转换为types.Menu结构并存储到映射表
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menuMap := make(map[string]types.GetMenuAllResp)
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for _, menu := range menus {
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// 只处理状态正常的菜单
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if menu.Status != 1 {
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continue
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}
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meta := make(map[string]interface{})
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err = sonic.Unmarshal([]byte(menu.Meta), &meta)
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if err != nil {
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return nil, errors.Wrapf(xerr.NewErrCode(xerr.SERVER_COMMON_ERROR), "解析菜单Meta信息失败, %+v", err)
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}
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redirect := func() string {
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if menu.Redirect.Valid {
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return menu.Redirect.String
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}
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return ""
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}()
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menuId := strconv.FormatInt(menu.Id, 10)
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menuMap[menuId] = types.GetMenuAllResp{
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Name: menu.Name,
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Path: menu.Path,
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Redirect: redirect,
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Component: menu.Component,
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Sort: menu.Sort,
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Meta: meta,
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Children: make([]types.GetMenuAllResp, 0),
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}
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}
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// 按ParentId将菜单分组
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menuGroups := lo.GroupBy(menus, func(item *AdminMenuStruct) int64 {
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return item.Pid
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})
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// 递归构建菜单树
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var buildMenuTree func(parentId int64) []types.GetMenuAllResp
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buildMenuTree = func(parentId int64) []types.GetMenuAllResp {
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children := make([]types.GetMenuAllResp, 0)
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childMenus, ok := menuGroups[parentId]
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if !ok {
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return children
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}
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// 按Sort排序
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sort.Slice(childMenus, func(i, j int) bool {
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return childMenus[i].Sort < childMenus[j].Sort
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})
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for _, childMenu := range childMenus {
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menuId := strconv.FormatInt(childMenu.Id, 10)
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if menu, exists := menuMap[menuId]; exists && childMenu.Status == 1 {
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// 递归构建子菜单
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menu.Children = buildMenuTree(childMenu.Id)
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children = append(children, menu)
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}
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}
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return children
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}
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// 从根菜单开始构建（ParentId为0的是根菜单）
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menuTree := buildMenuTree(0)
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return &menuTree, nil
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}
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