portal-api/app/Support/ServiceCancellation.php

<?php

namespace App\Support;

use App\Enums\Invoice\InvoiceStatus;
use App\Jobs\VirtualMachine\Action\VMJobs;
use App\Models\Invoice;
use App\Models\Service;

class ServiceCancellation
{
    public const SCHEDULED = 'scheduled';

    public const IMMEDIATE = 'immediate';

    public static function approve(Service $service): string
    {
        self::voidOpenRenewalInvoices($service);

        if (! $service->expires_at || $service->expires_at->isPast()) {
            $service->update(['status' => 'cancelled', 'cancelled_at' => now(), 'auto_renew' => false]);

            return self::IMMEDIATE;
        }

        $service->update(['cancel_at_expiry' => true, 'auto_renew' => false]);

        return self::SCHEDULED;
    }

    public static function finalize(Service $service): void
    {
        $service->update(['status' => 'cancelled', 'cancelled_at' => now()]);

        if ($service->vm_id) {
            dispatch(new VMJobs((int) $service->vm_id, 'PowerOff', false));
        }
    }

    private static function voidOpenRenewalInvoices(Service $service): void
    {
        $orderId = $service->orderItem?->order_id;
        if (! $orderId) {
            return;
        }

        Invoice::where('order_id', $orderId)
            ->where('invoice_type', 2)
            ->whereIn('status', [InvoiceStatus::UNPAID->value, InvoiceStatus::OVERDUE->value])
            ->where(fn ($query) => $query->whereNull('amount_paid')->orWhere('amount_paid', 0))
            ->get()
            ->each(fn (Invoice $invoice) => $invoice->update(['status' => InvoiceStatus::CANCELLED->value]));
    }
}