invoiceninja/app/Jobs/Ninja/CompanySizeCheck.php

<?php
/**
 * Invoice Ninja (https://invoiceninja.com).
 *
 * @link https://github.com/invoiceninja/invoiceninja source repository
 *
 * @copyright Copyright (c) 2022. Invoice Ninja LLC (https://invoiceninja.com)
 *
 * @license https://www.elastic.co/licensing/elastic-license
 */

namespace App\Jobs\Ninja;

use App\Libraries\MultiDB;
use App\Models\Client;
use App\Models\Company;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;

class CompanySizeCheck implements ShouldQueue
{
    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;

    /**
     * Create a new job instance.
     *
     * @return void
     */
    public function __construct()
    {
        //
    }

    /**
     * Execute the job.
     *
     * @return void
     */
    public function handle()
    {
        if (! config('ninja.db.multi_db_enabled')) {
            $this->check();
        } else {
            //multiDB environment, need to
            foreach (MultiDB::$dbs as $db) {
                MultiDB::setDB($db);

                $this->check();
            }
        }
    }

    private function check()
    {
        Company::where('is_large', false)->withCount(['invoices', 'clients', 'products'])->cursor()->each(function ($company) {
            if ($company->invoices_count > 500 || $company->products_count > 500 || $company->clients_count > 500) {
                nlog("Marking company {$company->id} as large");

                $company->account->companies()->update(['is_large' => true]);
            }
        });

        nlog("updating all client credit balances");

        Client::where('updated_at', '>', now()->subDay())
              ->cursor()
              ->each(function ($client){

                $client->credit_balance = $client->service()->getCreditBalance();
                $client->save();

              });
              
    }
}