Merge pull request #47 from rhmvandelisdonk/master

Add check to ratelimit on requestAccessToken call.

src/Pinterest/Authentication.php

@@ -20,6 +20,7 @@
 use Pinterest\Api\Exceptions\TooManyScopesGiven;
 use Pinterest\Api\Exceptions\AtLeastOneScopeNeeded;
 use Pinterest\Api\Exceptions\InvalidScopeException;
+use Pinterest\Http\Exceptions\RateLimitedReached;
 
 /**
  * This class is responsible for authenticating requests.
@@ -199,6 +200,7 @@ private function assertValidScopes(array $scopes)
      * @return string The OAuth access token.
      *
      * @throws TokenMissing
+     * @throws RateLimitedReached
      */
     public function requestAccessToken($code)
     {
@@ -215,6 +217,10 @@ public function requestAccessToken($code)
 
         $response = $this->http->execute($request);
 
+        if ($response->rateLimited()) {
+            throw new RateLimitedReached($response);
+        }
+
         if (
             !isset($response->body)
             || !isset($response->body->access_token)