Capture and return data for the Payment configuration endpoint

src/Api/PaymentConfiguration/StripeCheckoutSessionPaymentConfigProvider.php

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+<?php
+
+declare(strict_types=1);
+
+namespace FluxSE\SyliusPayumStripePlugin\Api\PaymentConfiguration;
+
+use FluxSE\PayumStripe\Token\TokenHashKeysInterface;
+use FluxSE\SyliusPayumStripePlugin\Api\Payum\CaptureProcessorInterface;
+use Payum\Core\Payum;
+use Stripe\Checkout\Session;
+use Sylius\Bundle\ApiBundle\Payment\PaymentConfigurationProviderInterface;
+use Sylius\Component\Core\Model\PaymentInterface;
+
+final class StripeCheckoutSessionPaymentConfigProvider implements PaymentConfigurationProviderInterface
+{
+    use StripePaymentConfigProviderTrait {
+        StripePaymentConfigProviderTrait::__construct as private __stripePaymentConfigProviderConstruct;
+    }
+    private CaptureProcessorInterface $captureProcessor;
+
+    public function __construct(
+        CaptureProcessorInterface $captureProcessor,
+        string $factoryName
+    ) {
+        $this->captureProcessor = $captureProcessor;
+        $this->__stripePaymentConfigProviderConstruct($factoryName);
+    }
+
+    public function provideConfiguration(PaymentInterface $payment): array
+    {
+        $config = $this->provideDefaultConfiguration($payment);
+
+        $details = $this->captureProcessor->__invoke($payment);
+        $session = Session::constructFrom($details);
+        $config['stripe_checkout_session_url'] = $session->url;
+
+        return $config;
+    }
+}

src/Api/PaymentConfiguration/StripeJsPaymentConfigProvider.php

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+<?php
+
+declare(strict_types=1);
+
+namespace FluxSE\SyliusPayumStripePlugin\Api\PaymentConfiguration;
+
+use FluxSE\SyliusPayumStripePlugin\Api\Payum\CaptureProcessorInterface;
+use Stripe\PaymentIntent;
+use Sylius\Bundle\ApiBundle\Payment\PaymentConfigurationProviderInterface;
+use Sylius\Component\Core\Model\PaymentInterface;
+
+final class StripeJsPaymentConfigProvider implements PaymentConfigurationProviderInterface
+{
+    use StripePaymentConfigProviderTrait {
+        StripePaymentConfigProviderTrait::__construct as private __stripePaymentConfigProviderConstruct;
+    }
+    private CaptureProcessorInterface $captureProcessor;
+
+    public function __construct(
+        CaptureProcessorInterface $captureProcessor,
+        string $factoryName
+    ) {
+        $this->captureProcessor = $captureProcessor;
+        $this->__stripePaymentConfigProviderConstruct($factoryName);
+    }
+
+    public function provideConfiguration(PaymentInterface $payment): array
+    {
+        $config = $this->provideDefaultConfiguration($payment);
+
+        $details = $this->captureProcessor->__invoke($payment);
+        $paymentIntent = PaymentIntent::constructFrom($details);
+        $config['stripe_payment_intent_client_secret'] = $paymentIntent->client_secret;
+
+        return $config;
+    }
+}

src/Api/PaymentConfiguration/StripePaymentConfigProviderTrait.php

@@ -0,0 +1,58 @@
+<?php
+
+declare(strict_types=1);
+
+namespace FluxSE\SyliusPayumStripePlugin\Api\PaymentConfiguration;
+
+use Sylius\Bundle\PayumBundle\Model\GatewayConfigInterface;
+use Sylius\Component\Core\Model\PaymentInterface;
+use Sylius\Component\Core\Model\PaymentMethodInterface;
+use Webmozart\Assert\Assert;
+
+trait StripePaymentConfigProviderTrait
+{
+    private string $factoryName;
+
+    public function __construct(string $factoryName)
+    {
+        $this->factoryName = $factoryName;
+    }
+
+    public function supports(PaymentMethodInterface $paymentMethod): bool
+    {
+        /** @var GatewayConfigInterface|null $gatewayConfig */
+        $gatewayConfig = $paymentMethod->getGatewayConfig();
+        Assert::notNull($gatewayConfig);
+
+        $config = $gatewayConfig->getConfig();
+        /** @var string $factory */
+        $factory = $config['factory'] ?? $gatewayConfig->getFactoryName();
+
+        return $factory === $this->factoryName;
+    }
+
+    public function provideDefaultConfiguration(PaymentInterface $payment): array
+    {
+        $gatewayConfig = $this->getGatewayConfig($payment);
+
+        $config = $gatewayConfig->getConfig();
+
+        return [
+            'publishable_key' => $config['publishable_key'],
+            'use_authorize' => $config['use_authorize'] ?? false,
+        ];
+    }
+
+    private function getGatewayConfig(PaymentInterface $payment): GatewayConfigInterface
+    {
+        /** @var PaymentMethodInterface|null $paymentMethod */
+        $paymentMethod = $payment->getMethod();
+        Assert::notNull($paymentMethod, 'Unable to found a PaymentMethod on this Payment.');
+
+        /** @var GatewayConfigInterface|null $gatewayConfig */
+        $gatewayConfig = $paymentMethod->getGatewayConfig();
+        Assert::notNull($gatewayConfig, 'Unable to found a GatewayConfig on this PaymentMethod.');
+
+        return $gatewayConfig;
+    }
+}

src/Api/Payum/AfterUrlProvider.php

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+<?php
+
+declare(strict_types=1);
+
+namespace FluxSE\SyliusPayumStripePlugin\Api\Payum;
+
+use Sylius\Component\Core\Model\PaymentInterface;
+
+final class AfterUrlProvider implements AfterUrlProviderInterface
+{
+    private string $afterPath;
+    private array $afterParameters;
+
+    public function __construct(
+        string $afterPath,
+        array $afterParameters = []
+    ) {
+        $this->afterPath = $afterPath;
+        $this->afterParameters = $afterParameters;
+    }
+
+    public function getAfterPath(PaymentInterface $payment): string
+    {
+        return $this->afterPath;
+    }
+
+    public function getAfterParameters(PaymentInterface $payment): array
+    {
+        return $this->afterParameters;
+    }
+}

src/Api/Payum/AfterUrlProviderInterface.php

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+<?php
+
+declare(strict_types=1);
+
+namespace FluxSE\SyliusPayumStripePlugin\Api\Payum;
+
+use Sylius\Component\Core\Model\PaymentInterface;
+
+interface AfterUrlProviderInterface
+{
+    public function getAfterPath(PaymentInterface $payment): string;
+    public function getAfterParameters(PaymentInterface $payment): array;
+}

src/Api/Payum/CaptureProcessor.php

@@ -0,0 +1,64 @@
+<?php
+
+declare(strict_types=1);
+
+namespace FluxSE\SyliusPayumStripePlugin\Api\Payum;
+
+use FluxSE\SyliusPayumStripePlugin\Factory\CaptureRequestFactoryInterface;
+use Payum\Core\Bridge\Spl\ArrayObject;
+use Payum\Core\Payum;
+use Sylius\Bundle\PayumBundle\Model\GatewayConfigInterface;
+use Sylius\Component\Core\Model\PaymentInterface;
+use Sylius\Component\Core\Model\PaymentMethodInterface;
+use Webmozart\Assert\Assert;
+
+final class CaptureProcessor implements CaptureProcessorInterface
+{
+    private Payum $payum;
+    private CaptureRequestFactoryInterface $captureRequestFactory;
+    private AfterUrlProviderInterface $afterUrlProvider;
+
+    public function __construct(
+        Payum $payum,
+        CaptureRequestFactoryInterface $captureRequestFactory,
+        AfterUrlProviderInterface $afterUrlProvider
+    ) {
+        $this->payum = $payum;
+        $this->captureRequestFactory = $captureRequestFactory;
+        $this->afterUrlProvider = $afterUrlProvider;
+    }
+    public function __invoke(PaymentInterface $payment): array
+    {
+        $tokenFactory = $this->payum->getTokenFactory();
+        $gatewayName = $this->getGatewayConfig($payment)->getGatewayName();
+
+        $token = $tokenFactory->createCaptureToken(
+            $gatewayName,
+            $payment,
+            $this->afterUrlProvider->getAfterPath($payment),
+            $this->afterUrlProvider->getAfterParameters($payment)
+        );
+        $gateway = $this->payum->getGateway($gatewayName);
+
+        $captureRequest = $this->captureRequestFactory->createNewWithToken($token);
+        $gateway->execute($captureRequest, true);
+
+        /** @var ArrayObject $details */
+        $details = $captureRequest->getModel();
+
+        return $details->getArrayCopy();
+    }
+
+    private function getGatewayConfig(PaymentInterface $payment): GatewayConfigInterface
+    {
+        /** @var PaymentMethodInterface|null $paymentMethod */
+        $paymentMethod = $payment->getMethod();
+        Assert::notNull($paymentMethod, 'Unable to found a PaymentMethod on this Payment.');
+
+        /** @var GatewayConfigInterface|null $gatewayConfig */
+        $gatewayConfig = $paymentMethod->getGatewayConfig();
+        Assert::notNull($gatewayConfig, 'Unable to found a GatewayConfig on this PaymentMethod.');
+
+        return $gatewayConfig;
+    }
+}

src/Api/Payum/CaptureProcessorInterface.php

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+<?php
+
+declare(strict_types=1);
+
+namespace FluxSE\SyliusPayumStripePlugin\Api\Payum;
+
+use Sylius\Component\Core\Model\PaymentInterface;
+
+interface CaptureProcessorInterface
+{
+    public function __invoke(PaymentInterface $payment): array;
+}