Add support update request for Stripe gateway

example/index.php

@@ -241,6 +241,47 @@
     ));
 });
 
+// create gateway update
+$app->get('/gateways/{name}/update', function($name) use ($app) {
+    $gateway = Omnipay\Common\GatewayFactory::create($name);
+    $sessionVar = 'omnipay.'.$gateway->getShortName();
+    $gateway->initialize((array) $app['session']->get($sessionVar));
+
+    $params = $app['session']->get($sessionVar.'.update', array());
+    $card = new Omnipay\Common\CreditCard($app['session']->get($sessionVar.'.card'));
+
+    return $app['twig']->render('request.twig', array(
+        'gateway' => $gateway,
+        'method' => 'update',
+        'params' => $params,
+        'card' => $card->getParameters(),
+    ));
+});
+
+// submit gateway update
+$app->post('/gateways/{name}/update', function($name) use ($app) {
+    $gateway = Omnipay\Common\GatewayFactory::create($name);
+    $sessionVar = 'omnipay.'.$gateway->getShortName();
+    $gateway->initialize((array) $app['session']->get($sessionVar));
+
+    // load POST data
+    $params = $app['request']->get('params');
+    $card = $app['request']->get('card');
+
+    // save POST data into session
+    $app['session']->set($sessionVar.'.update', $params);
+    $app['session']->set($sessionVar.'.card', $card);
+
+    $params['card'] = $card;
+    $params['clientIp'] = $app['request']->getClientIp();
+    $response = $gateway->update($params)->send();
+
+    return $app['twig']->render('response.twig', array(
+        'gateway' => $gateway,
+        'response' => $response,
+    ));
+});
+
 // create gateway unstore
 $app->get('/gateways/{name}/unstore', function($name) use ($app) {
     $gateway = Omnipay\Common\GatewayFactory::create($name);

example/views/gateway.twig

@@ -45,6 +45,9 @@ $response = $gateway->initialize($params);</pre>
         {% if gateway.supportsStore() %}
             <li><a href="/gateways/{{gateway.shortName}}/store">store()</a></li>
         {% endif %}
+        {% if gateway.supportsUpdate() %}
+            <li><a href="/gateways/{{gateway.shortName}}/update">update()</a></li>
+        {% endif %}
         {% if gateway.supportsUnstore() %}
             <li><a href="/gateways/{{gateway.shortName}}/unstore">unstore()</a></li>
         {% endif %}

src/Omnipay/Common/AbstractGateway.php

@@ -189,6 +189,16 @@ public function supportsUnstore()
         return method_exists($this, 'unstore');
     }
 
+    /**
+     * Supports Update
+     *
+     * @return boolean True if this gateway supports the update() method
+     */
+    public function supportsUpdate()
+    {
+        return method_exists($this, 'update');
+    }
+
     /**
      * Create and initialize a request object using existing parameters from this gateway
      */

src/Omnipay/Stripe/Gateway.php

@@ -59,6 +59,11 @@ public function store(array $parameters = array())
         return $this->createRequest('\Omnipay\Stripe\Message\StoreRequest', $parameters);
     }
 
+    public function update(array $parameters = array())
+    {
+        return $this->createRequest('\Omnipay\Stripe\Message\UpdateRequest', $parameters);
+    }
+
     public function unstore(array $parameters = array())
     {
         return $this->createRequest('\Omnipay\Stripe\Message\UnstoreRequest', $parameters);

src/Omnipay/Stripe/Message/UpdateRequest.php

@@ -0,0 +1,40 @@
+<?php
+
+/*
+ * This file is part of the Omnipay package.
+ *
+ * (c) Adrian Macneil <adrian@adrianmacneil.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Omnipay\Stripe\Message;
+
+/**
+ * Stripe Update Request
+ */
+class UpdateRequest extends PurchaseRequest
+{
+    public function getData()
+    {
+        $data = array();
+        $data['description'] = $this->getDescription();
+
+        if ($this->getCardToken()) {
+            $data['card'] = $this->getCardToken();
+        } elseif ($this->getCard()) {
+            $data['card'] = $this->getCardData();
+            $data['email'] = $this->getCard()->getEmail();
+        }
+
+        $this->validate('cardReference');
+
+        return $data;
+    }
+
+    public function getEndpoint()
+    {
+        return $this->endpoint.'/customers/'.$this->getCardReference();
+    }
+}

tests/Omnipay/Stripe/GatewayTest.php

@@ -36,6 +36,10 @@ public function setUp()
         $this->storeOptions = array(
             'card' => $this->getValidCard(),
         );
+
+        $this->updateOptions = array(
+            'cardReference' => 'cus_1MZSEtqSghKx99',
+        );
 
         $this->unstoreOptions = array(
             'cardReference' => 'cus_1MZSEtqSghKx99',
@@ -113,6 +117,30 @@ public function testStoreFailure()
         $this->assertNull($response->getCardReference());
         $this->assertSame('You must provide an integer value for \'exp_year\'.', $response->getMessage());
     }
+
+    public function testUpdateSuccess()
+    {
+        $this->setMockHttpResponse('UpdateSuccess.txt');
+        $response = $this->gateway->store($this->storeOptions)->send();
+
+        $this->assertTrue($response->isSuccessful());
+        $this->assertFalse($response->isRedirect());
+        $this->assertNull($response->getTransactionReference());
+        $this->assertSame('cus_1MZeNih5LdKxDq', $response->getCardReference());
+        $this->assertNull($response->getMessage());
+    }
+
+    public function testUpdateFailure()
+    {
+        $this->setMockHttpResponse('UpdateFailure.txt');
+        $response = $this->gateway->store($this->storeOptions)->send();
+
+        $this->assertFalse($response->isSuccessful());
+        $this->assertFalse($response->isRedirect());
+        $this->assertNull($response->getTransactionReference());
+        $this->assertNull($response->getCardReference());
+        $this->assertSame('No such customer: cus_1MZeNih5LdKxDq', $response->getMessage());
+    }
 
     public function testUnstoreSuccess()
     {

tests/Omnipay/Stripe/Message/ResponseTest.php

@@ -62,6 +62,30 @@ public function testStoreFailure()
         $this->assertNull($response->getCardReference());
         $this->assertSame('You must provide an integer value for \'exp_year\'.', $response->getMessage());
     }
+
+    public function testUpdateSuccess()
+    {
+        $httpResponse = $this->getMockHttpResponse('UpdateSuccess.txt');
+        $response = new Response($this->getMockRequest(), $httpResponse->json());
+
+        $this->assertTrue($response->isSuccessful());
+        $this->assertFalse($response->isRedirect());
+        $this->assertNull($response->getTransactionReference());
+        $this->assertSame('cus_1MZeNih5LdKxDq', $response->getCardReference());
+        $this->assertNull($response->getMessage());
+    }
+
+    public function testUpdateFailure()
+    {
+        $httpResponse = $this->getMockHttpResponse('UpdateFailure.txt');
+        $response = new Response($this->getMockRequest(), $httpResponse->json());
+
+        $this->assertFalse($response->isSuccessful());
+        $this->assertFalse($response->isRedirect());
+        $this->assertNull($response->getTransactionReference());
+        $this->assertNull($response->getCardReference());
+        $this->assertSame('No such customer: cus_1MZeNih5LdKxDq', $response->getMessage());
+    }
 
     public function testUnstoreSuccess()
     {

tests/Omnipay/Stripe/Mock/UpdateFailure.txt

@@ -0,0 +1,17 @@
+HTTP/1.1 404 Not Found
+Server: nginx
+Date: Tue, 26 Feb 2013 16:32:51 GMT
+Content-Type: application/json;charset=utf-8
+Content-Length: 131
+Connection: keep-alive
+Access-Control-Max-Age: 300
+Access-Control-Allow-Credentials: true
+Cache-Control: no-cache, no-store
+
+{
+  "error": {
+    "type": "invalid_request_error",
+    "message": "No such customer: cus_1MZeNih5LdKxDq",
+    "param": "id"
+  }
+}

tests/Omnipay/Stripe/Mock/UpdateSuccess.txt

@@ -0,0 +1,23 @@
+HTTP/1.1 200 OK
+Server: nginx
+Date: Tue, 26 Feb 2013 16:11:12 GMT
+Content-Type: application/json;charset=utf-8
+Content-Length: 694
+Connection: keep-alive
+Access-Control-Max-Age: 300
+Access-Control-Allow-Credentials: true
+Cache-Control: no-cache, no-store
+
+{
+  "object": "customer",
+  "created": 1365771516,
+  "id": "cus_1MZeNih5LdKxDq",
+  "livemode": false,
+  "description": "fdsa",
+  "active_card": null,
+  "email": null,
+  "delinquent": false,
+  "subscription": null,
+  "discount": null,
+  "account_balance": 0
+}