Parse webhook notifications

Author: Konstantinos Christofilos

README.md

@@ -62,7 +62,7 @@ $customer = $gateway->createCustomer([
 ```
 You can find full list of options [here](https://developers.braintreepayments.com/reference/request/customer/create/php).
 
-###Find Customer (By id)
+###Find customer (By id)
 
 ```php
 $customer = $gateway->findCustomer(1)->send();
@@ -82,6 +82,23 @@ $subscription = $gateway->createSubscription([
 ```
 You can find full list of options [here](https://developers.braintreepayments.com/reference/request/subscription/create/php)
 
+###Cancel subscription
+
+```php
+$subscription = $gateway->cancelSubscription('id')->send();
+```
+You can find full list of options [here](https://developers.braintreepayments.com/reference/request/subscription/cancel/php)
+
+###Parse webhook notification
+
+```php
+$notification = $gateway->parseNotification([
+    'bt_signature' => 'signature',
+    'bt_payload' => 'payload'
+])->send();
+```
+You can find full list of options [here](https://developers.braintreepayments.com/guides/webhooks/parse/php)
+
 ## Support
 
 If you are having general issues with Omnipay, we suggest posting on

src/Gateway.php

@@ -249,4 +249,19 @@ public function cancelSubscription($subscriptionId)
     {
         return $this->createRequest('\Omnipay\Braintree\Message\CancelSubscriptionRequest', array('id' => $subscriptionId));
     }
+
+    /**
+     * @param array $parameters
+     *
+     * @return \Braintree_WebhookNotification
+     *
+     * @throws \Braintree_Exception_InvalidSignature
+     */
+    public function parseNotification(array $parameters = array())
+    {
+        return \Braintree_WebhookNotification::parse(
+            $parameters['bt_signature'],
+            $parameters['bt_payload']
+        );
+    }
 }