drb/app/Scopes/DepartmentScope.php

<?php
namespace App\Scopes;

use App\Model\Employee;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Scope;

class DepartmentScope implements Scope
{
    public $user = [];

    public function __construct($user = [])
    {
        $this->user = $user;
    }

    public function apply(Builder $builder, Model $model)
    {
        if($this->user['id'] != Employee::SPECIAL_ADMIN) {
            $depart_id = $this->user['depart_range'];
            $user_id = $this->user['id'];
            $builder->where(function ($query) use ($depart_id,$user_id){
                $query->whereIn('depart_id', $depart_id)
                    ->orWhereIn('top_depart_id',$depart_id)
                    ->orWhere('crt_id', $user_id);
            });
        }
    }
}