drb/app/Scopes/TopDepartmentScope.php

<?php
namespace App\Scopes;

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

//只判断顶级id （公司）
class TopDepartmentScope implements Scope
{
    public $user = [];
    public $search = [];

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

    public function apply(Builder $builder, Model $model)
    {
        //是否所有部门
        $is_all_depart = $this->user['is_all_depart'] ?? 0;
        //权限范围内的部门
        $depart_range = $this->user['depart_range'] ?? [];

        //顶级部门
        $search_depart_id = $this->search['top_depart_id'] ?? 0;
        if(empty($search_depart_id)){
            //默认进来 自身顶级公司
            $top_depart_id = $this->user['depart_top'][0] ?? [];
            $top_depart_id = $top_depart_id['depart_id'] ?? 0;
        }else{
            //查询 顶级公司
            $top_depart_id = $search_depart_id;
        }

        if($is_all_depart){
            //所有部门
            if(empty($search_depart_id)){
                //全部
                $builder->whereIn('top_depart_id', $depart_range);
            }else{
                //查看某个分社
                $builder->where('top_depart_id', $top_depart_id);
            }
        }else{
            //某个分社全部
            $builder->where('top_depart_id', $top_depart_id);
        }
    }
}