Laravel Cashier (Stripe)

composer require laravel/cashier
php artisan vendor:publish --tag="cashier-migrations"
php artisan migrate

<?php

namespace App\Models;

use Illuminate\Foundation\Auth\User as Authenticatable;
use Laravel\Cashier\Billable;

class User extends Authenticatable
{
    use Billable;
}

STRIPE_KEY=your-stripe-key
STRIPE_SECRET=your-stripe-secret
STRIPE_WEBHOOK_SECRET=your-stripe-webhook-secret

$stripeCustomer = $user->createOrGetStripeCustomer();

$stripeCustomer = $user->createAsStripeCustomer();

$user->newSubscription('default', 'price_monthly')
    ->create($paymentMethodId);

if ($user->subscribed('default')) {
    // Active subscription...
}

$user->subscription('default')->cancel();

if ($user->subscription('default')->onGracePeriod()) {
    // The user is on the grace period...
}

$user->subscription('default')->resume();

$payment = $user->charge(100, $paymentMethodId);

return view('subscribe', [
    'intent' => $user->createSetupIntent()
]);

<div id="payment-element"></div>
<button id="submit">Subscribe</button>

<script src="https://js.stripe.com/v3/"></script>
<script>
    const stripe = Stripe('stripe-public-key');

    const elements = stripe.elements({
        clientSecret: '{{ $intent->client_secret }}'
    });

    const paymentElement = elements.create('payment');

    paymentElement.mount('#payment-element');

    document.getElementById('submit').addEventListener('click', async () => {
        const { error } = await stripe.confirmSetup({
            elements,
            confirmParams: {
                return_url: '{{ route("subscription.complete") }}',
            },
        });

        if (error) {
            // 向使用者顯示錯誤訊息...
        }
    });
</script>

use Illuminate\Http\Request;

Route::get('/subscription/complete', function (Request $request) {
    $setupIntent = $request->user()->findSetupIntent(
        $request->setup_intent
    );

    $paymentMethod = $setupIntent->payment_method;

    $request->user()
        ->newSubscription('default', 'price_xxx')
        ->create($paymentMethod);

    return redirect('/dashboard');
})->name('subscription.complete');

use App\Models\Order;
use Illuminate\Http\Request;

Route::post('/pay', function (Request $request) {
    $amount = 1000;

    $payment = $request->user()->pay($amount);

    $order = Order::create([
        'user_id' => $request->user()->id,
        'amount' => $amount,
        'status' => 'pending',
        'stripe_payment_intent_id' => $payment->id,
    ]);

    return view('checkout', [
        'clientSecret' => $payment->client_secret,
        'order' => $order,
    ]);
});

<div id="payment-element"></div>
<button id="submit">Pay Now</button>

<script src="https://js.stripe.com/v3/"></script>
<script>
    const stripe = Stripe('stripe-public-key');

    const elements = stripe.elements({
        clientSecret: '{{ $clientSecret }}'
    });

    const paymentElement = elements.create('payment');

    paymentElement.mount('#payment-element');

    document.getElementById('submit').addEventListener('click', async () => {
        const { error } = await stripe.confirmPayment({
            elements,
            confirmParams: {
                return_url: '{{ route("payment.complete") }}',
            },
        });

        if (error) {
            // 向使用者顯示錯誤訊息...
        }
    });
</script>

use App\Models\Order;
use Illuminate\Http\Request;

Route::get('/payment/complete', function (Request $request) {
    $order = Order::where('user_id', $request->user()->id)
        ->where('stripe_payment_intent_id', $request->payment_intent)
        ->firstOrFail();

    $paymentIntent = $request->user()
        ->stripe()
        ->paymentIntents
        ->retrieve($request->payment_intent);

    if ($paymentIntent->customer === $request->user()->stripe_id &&
        $paymentIntent->status === 'succeeded') {
        $order->update(['status' => 'paid']);

        // 確定訂單的處理...
    }

    return redirect('/dashboard');
})->name('payment.complete');

$invoices = $user->invoices();

composer require dompdf/dompdf

return $user->downloadInvoice($invoiceId);

php artisan cashier:webhook

->withMiddleware(function (Middleware $middleware): void {
    $middleware->preventRequestForgery(except: [
        'stripe/*',
    ]);
})