wticreatorstudio/Modules/MLMDownline/Repositories/UplineRepository.php

<?php

namespace Modules\MLMDownline\Repositories;

use App\Models\Staff;
use App\Models\User;
use Modules\MLMDownline\Entities\MLMDownlineUser;

class UplineRepository
{
    public function all()
    {
        return Staff::with('user')->whereHas('user', function($query){
            $query->where('id', '>', 1)->whereHas('role', function($q){
                $q->where(function($q) {
                    $q->where('type', 'admin')->orWhere('type', 'staff');
                })->whereHas('permissions', function($q) {
                    $q->where('route', 'mlm-downline.index');
                });
            });
        })->latest()->get();
    }

    public function assignUpline($downline, $upline_id)
    {   
        $downline->parent_id = $upline_id;
        $downline->update();
    }
}