nshop/packages/Longyi/DynamicMenu/src/Repositories/MenuItemRepository.php

<?php

namespace Longyi\DynamicMenu\Repositories;

use Webkul\Core\Eloquent\Repository;
use Longyi\DynamicMenu\Models\MenuItem;

class MenuItemRepository extends Repository
{
    public function model()
    {
        return MenuItem::class;
    }

    public function getMenuTree()
    {
        $items = $this->all();
        return $this->buildTree($items);
    }

    private function buildTree($items, $parentId = null)
    {
        $tree = [];

        foreach ($items as $item) {
            if ($item->parent_id == $parentId) {
                $children = $this->buildTree($items, $item->id);
                if ($children) {
                    $item->children = $children;
                }
                $tree[] = $item;
            }
        }

        return $tree;
    }

    public function getMenuItemsForRole($roleId)
    {
        return $this->model->whereHas('roles', function($query) use ($roleId) {
            $query->where('role_id', $roleId);
        })->where('status', 1)->get();
    }
}