ldc-jeusselin/app/Http/Controllers/OurTradeController.php

<?php

namespace App\Http\Controllers;

use App\Models\BusinessSector;
use App\Models\Employees;
use Illuminate\Http\Request;

class OurTradeController extends Controller
{
    public function index(Request $request)
    {
        $secteurs_simples = BusinessSector::orderBy('order', 'ASC')->where('parent_id', null)->doesnthave('children')->with('employees')->get();
        $secteurs_complexes = BusinessSector::orderBy('order', 'ASC')->where('parent_id', null)->has('children')->with('employees','children.employees')->get();
        //some sort of foreach
        //$secteurs->employees->sortBy('order');

        return view('front.ourtrade', compact('secteurs_simples','secteurs_complexes'));
    }
}