Laravel + Resend: Kirim Email Transactional di Helipod

composer require resend/resend-php

# .env
RESEND_API_KEY=re_xxxxxxxxxxxxxxxx
RESEND_FROM=noreply@helipod.io

// config/services.php
'resend' => [
    'key' => env('RESEND_API_KEY'),
    'from' => env('RESEND_FROM'),
],

// app/Mail/WelcomeMail.php
<?php

namespace App\Mail;

use Illuminate\Bus\Queueable;
use Illuminate\Mail\Mailable;
use Illuminate\Mail\Mailables\Content;
use Illuminate\Mail\Mailables\Envelope;
use Illuminate\Queue\SerializesModels;

class WelcomeMail extends Mailable
{
    use Queueable, SerializesModels;

    public function __construct(
        public string $name,
        public string $email
    ) {}

    public function envelope(): Envelope
    {
        return new Envelope(
            subject: 'Selamat datang di ' . config('app.name'),
        );
    }

    public function content(): Content
    {
        return new Content(
            view: 'emails.welcome',
            with: [
                'name' => $this->name,
                'email' => $this->email,
            ],
        );
    }
}

{{-- resources/views/emails/welcome.blade.php --}}
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <style>
        body { font-family: Arial, sans-serif; color: #333; line-height: 1.6; }
        .container { max-width: 600px; margin: 0 auto; padding: 20px; }
        .header { background: #10b981; color: white; padding: 20px; text-align: center; }
        .content { padding: 20px; background: #f9fafb; }
        .button { display: inline-block; background: #10b981; color: white; padding: 12px 24px; text-decoration: none; border-radius: 6px; }
    </style>
</head>
<body>
    <div class="container">
        <div class="header">
            <h1>Selamat datang!</h1>
        </div>
        <div class="content">
            <p>Halo {{ $name }},</p>
            <p>Akun kamu di {{ config('app.name') }} sudah aktif.</p>
            <p>Berikut detail akun kamu:</p>
            <ul>
                <li><strong>Email:</strong> {{ $email }}</li>
                <li><strong>Status:</strong> Aktif</li>
            </ul>
            <p>
                <a href="{{ url('/dashboard') }}" class="button">
                    Buka Dashboard
                </a>
            </p>
            <p>Terima kasih sudah bergabung!</p>
        </div>
    </div>
</body>
</html>

use App\Mail\WelcomeMail;
use Illuminate\Support\Facades\Mail;

// Kirim email
Mail::to('user@example.com')->send(new WelcomeMail(
    name: 'Budi',
    email: 'user@example.com'
));

use Resend\Client;

$client = new Client(env('RESEND_API_KEY'));

$client->emails->send([
    'from' => env('RESEND_FROM'),
    'to' => ['user@example.com'],
    'subject' => 'Selamat datang di Helipod',
    'html' => '<h1>Halo Budi!</h1><p>Akun kamu sudah aktif.</p>',
]);

// Kirim email via queue
Mail::to('user@example.com')->queue(new WelcomeMail(
    name: 'Budi',
    email: 'user@example.com'
));

// Atau dengan delay
Mail::to('user@example.com')->later(
    now()->addMinutes(5),
    new WelcomeMail(
        name: 'Budi',
        email: 'user@example.com'
    )
);

# .env
QUEUE_CONNECTION=redis

# Di Helipod terminal
php artisan queue:work

# Atau dengan sleep delay
php artisan queue:work --sleep=3 --tries=3

// app/Http/Controllers/AuthController.php
public function register(Request $request)
{
    // ... validasi dan create user
    
    // Kirim welcome email
    Mail::to($user->email)->send(new WelcomeMail(
        name: $user->name,
        email: $user->email
    ));
    
    return redirect('/dashboard');
}

// Gunakan built-in Laravel
use Illuminate\Auth\Events\PasswordReset;

public function resetPassword(Request $request)
{
    // ... reset password logic
    
    event(new PasswordReset($user));
    
    // Kirim email reset
    Mail::to($user->email)->send(new PasswordResetMail(
        token: $token,
        email: $user->email
    ));
}

// app/Mail/OrderConfirmation.php
class OrderConfirmation extends Mailable
{
    public function __construct(
        public Order $order,
        public User $user
    ) {}

    public function content(): Content
    {
        return new Content(
            view: 'emails.order-confirmation',
            with: [
                'order' => $this->order,
                'items' => $this->order->items,
                'total' => $this->order->total,
            ],
        );
    }
}

// app/Mail/InvoiceMail.php
class InvoiceMail extends Mailable
{
    public function __construct(
        public Invoice $invoice,
        public User $user
    ) {}

    public function content(): Content
    {
        return new Content(
            view: 'emails.invoice',
            with: [
                'invoice' => $this->invoice,
                'user' => $this->user,
            ],
        );
    }
}

// ❌ Slow - synchronous
Mail::to($email)->send(new WelcomeMail($user));

// ✅ Fast - via queue
Mail::to($email)->queue(new WelcomeMail($user));

// Buat base email template
abstract class BaseEmail extends Mailable
{
    public function build()
    {
        return $this->view('emails.base')
                    ->subject($this->getSubject());
    }
    
    abstract protected function getSubject(): string;
}

try {
    Mail::to($email)->send(new WelcomeMail($user));
} catch (\Exception $e) {
    Log::error('Failed to send email: ' . $e->getMessage());
    // Handle error
}

// Log email sent
Mail::to($email)->send(new WelcomeMail($user));

// Log ke database
EmailLog::create([
    'to' => $email,
    'subject' => 'Welcome',
    'status' => 'sent',
    'sent_at' => now(),
]);

# Cek queue worker
php artisan queue:work

# Cek log
tail -f storage/logs/laravel.log

1. Setup domain di Resend (SPF, DKIM, DMARC)
2. Jangan gunakan generic content
3. Sertakan unsubscribe link

// Resend free tier: 100 email/hari
// Gunakan queue dan batching
Mail::to($emails)->queue(new NewsletterMail($data));