[stripe] add an action to get a credit card token from payment details.

Action/GetCreditCardTokenAction.php

@@ -0,0 +1,34 @@
+<?php
+namespace Payum\Stripe\Action;
+
+use Payum\Core\Action\ActionInterface;
+use Payum\Core\Bridge\Spl\ArrayObject;
+use Payum\Core\Exception\RequestNotSupportedException;
+use Payum\Core\Request\GetCreditCardToken;
+
+class GetCreditCardTokenAction implements ActionInterface
+{
+    /**
+     * {@inheritDoc}
+     *
+     * @param GetCreditCardToken $request
+     */
+    public function execute($request)
+    {
+        RequestNotSupportedException::assertSupports($this, $request);
+
+        $model = ArrayObject::ensureArrayObject($request->getModel());
+
+        $request->token = $model['customer'];
+    }
+    /**
+     * {@inheritDoc}
+     */
+    public function supports($request)
+    {
+        return
+            $request instanceof GetCreditCardToken &&
+            $request->getModel() instanceof \ArrayAccess
+        ;
+    }
+}

Resources/docs/store-card-and-use-later.md

@@ -30,11 +30,11 @@ once the first payment is done you can get the customer id and store it somewher
 use Payum\Core\Request\GetCreditCardToken;
 
 /** @var \Payum\Core\Model\PaymentInterface $payment */
-
+/** @var \Payum\Core\GatewayInterface $gateway */
 
 $gateway->execute($getToken = new GetCreditCardToken($payment));
 
-$token = $getToken->getToken(); // if not null you are done. store it somewhere
+$token = $getToken->token; // if not null you are done. store it somewhere
 ```
 
 ## Use stored card

StripeCheckoutGatewayFactory.php

@@ -11,6 +11,7 @@
 use Payum\Stripe\Action\Api\ObtainTokenAction;
 use Payum\Stripe\Action\CaptureAction;
 use Payum\Stripe\Action\ConvertPaymentAction;
+use Payum\Stripe\Action\GetCreditCardTokenAction;
 use Payum\Stripe\Extension\CreateCustomerExtension;
 use Payum\Stripe\Action\StatusAction;
 use Stripe\Stripe;
@@ -35,6 +36,7 @@ protected function populateConfig(ArrayObject $config)
             'payum.action.capture' => new CaptureAction(),
             'payum.action.convert_payment' => new ConvertPaymentAction(),
             'payum.action.status' => new StatusAction(),
+            'payum.action.get_credit_card_token' => new GetCreditCardTokenAction(),
             'payum.action.obtain_token' => function (ArrayObject $config) {
                 return new ObtainTokenAction($config['payum.template.obtain_token']);
             },

Tests/Action/GetCreditCardTokenActionTest.php

@@ -0,0 +1,55 @@
+<?php
+namespace Payum\Stripe\Tests\Action\Api;
+
+use Payum\Core\Action\ActionInterface;
+use Payum\Core\Request\GetCreditCardToken;
+use Payum\Core\Tests\GenericActionTest;
+use Payum\Stripe\Action\GetCreditCardTokenAction;
+
+class GetCreditCardTokenActionTest extends GenericActionTest
+{
+    protected $requestClass = GetCreditCardToken::class;
+
+    protected $actionClass = GetCreditCardTokenAction::class;
+
+    /**
+     * @test
+     */
+    public function shouldImplementActionInterface()
+    {
+        $rc = new \ReflectionClass(GetCreditCardTokenAction::class);
+
+        $this->assertTrue($rc->implementsInterface(ActionInterface::class));
+    }
+
+    /**
+     * @test
+     */
+    public function shouldDoNothingIfPaymentHasNoCustomerSet()
+    {
+        $model = [
+        ];
+
+        $action = new GetCreditCardTokenAction();
+
+        $action->execute($getCreditCardToken = new GetCreditCardToken($model));
+
+        self::assertEmpty($getCreditCardToken->token);
+    }
+
+    /**
+     * @test
+     */
+    public function shouldSetCustomerIdAsCardToken()
+    {
+        $model = [
+            'customer' => 'theToken',
+        ];
+
+        $action = new GetCreditCardTokenAction();
+
+        $action->execute($getCreditCardToken = new GetCreditCardToken($model));
+
+        self::assertEquals('theToken', $getCreditCardToken->token);
+    }
+}