eCert-MBIP/app/Jobs/GenerateCertificateJob.php

<?php

namespace App\Jobs;

use App\Models\Certificate;
use App\Services\CertificateService;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;

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

    public int $tries = 3;
    public int $backoff = 30;

    public function __construct(public readonly Certificate $certificate) {}

    public function handle(CertificateService $service): void
    {
        $this->certificate->refresh();

        if ($this->certificate->status === 'generated') {
            return;
        }

        $service->generate($this->certificate);
    }
}