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 $deleteWhenMissingModels = true;

    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 ledger for client ". $this->client->id);

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

            // nlog("Updating Balance NOW");

            $company_ledger->balance = $last_record->balance + $company_ledger->adjustment;
            $company_ledger->save();
        });

        // nlog("Updating company ledger for client ". $this->client->id);
    }
}