UNIT3D-Community-Edition/app/Jobs/SendActivationMail.php

<?php
/**
 * NOTICE OF LICENSE.
 *
 * UNIT3D Community Edition is open-sourced software licensed under the GNU Affero General Public License v3.0
 * The details is bundled with this project in the file LICENSE.txt.
 *
 * @project    UNIT3D Community Edition
 *
 * @author     HDVinnie <hdinnovations@protonmail.com>
 * @license    https://www.gnu.org/licenses/agpl-3.0.en.html/ GNU Affero General Public License v3.0
 */

namespace App\Jobs;

use App\Mail\ActivateUser;
use App\Models\User;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use Illuminate\Support\Facades\Mail;

class SendActivationMail implements ShouldQueue
{
    use Dispatchable;
    use InteractsWithQueue;
    use Queueable;
    use SerializesModels;

    /**
     * The number of times the job may be attempted.
     */
    public int $tries = 3;

    /**
     * SendActivationMail Constructor.
     */
    public function __construct(public User $user, public string $code)
    {
    }

    /**
     * Execute the job.
     */
    public function handle(): void
    {
        if ($this->attempts() > 2) {
            $this->delay(min(30 * $this->attempts(), 300));
        }

        Mail::to($this->user)->send(new ActivateUser($this->user, $this->code));
    }
}