invoiceninja/app/Jobs/Ledger/ClientLedgerBalanceUpdate.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\Ledger;

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

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

    public $tries = 1;

    public $company;

    public $client;


    public function __construct(Company $company, Client $client)
    {
    
        $this->company = $company;
        $this->client = $client;
    }

    /**
     * Execute the job.
     *
     *
     * @return void
     */
    public function handle() :void
    {
        nlog("Updating company ledgers");

        MultiDB::setDb($this->company->db);
        
        CompanyLedger::where('balance', 0)->where('client_id', $this->client->id)->cursor()->each(function ($company_ledger){

            if($company_ledger->balance > 0)
                return;

            $last_record =  CompanyLedger::where('client_id', $company_ledger->client_id)
                            ->where('company_id', $company_ledger->company_id)
                            ->where('balance', '!=', 0)
                            ->orderBy('id', 'DESC')
                            ->first();

            if(!$last_record)
                return;

            nlog("Updating Balance NOW");
            
            $company_ledger->balance = $last_record->balance + $company_ledger->adjustment;
            $company_ledger->save();

        });

        nlog("Finished checking company ledgers");

    }

    public function checkLedger()
    {


    }

}