Use the new ParsedContentsInterface

Author: WyriHaximus

composer.json

@@ -11,6 +11,7 @@
     "require": {
         "php": "^7.0",
         "api-clients/middleware": "^4.0",
+        "api-clients/transport": "^3.1",
         "fillup/array2xml": "^0.5.1",
         "ringcentral/psr7": "^1.2",
         "verdant/xml2array": "dev-master#b518d755a305fb4249027d20f8e9042bb733b857"

composer.lock

@@ -6,6 +6,7 @@
 use ApiClients\Foundation\Middleware\ErrorTrait;
 use ApiClients\Foundation\Middleware\MiddlewareInterface;
 use ApiClients\Foundation\Middleware\PostTrait;
+use ApiClients\Foundation\Transport\ParsedContentsInterface;
 use fillup\A2X;
 use Psr\Http\Message\RequestInterface;
 use React\Promise\CancellablePromiseInterface;
@@ -29,11 +30,12 @@ public function pre(
         string $transactionId,
         array $options = []
     ): CancellablePromiseInterface {
-        if (!($request->getBody() instanceof XmlStream)) {
+        $body = $request->getBody();
+        if (!($body instanceof ParsedContentsInterface)) {
             return resolve($request);
         }
 
-        $xml = (new A2X($request->getBody()->getXml()))->asXml();
+        $xml = (new A2X($body->getParsedContents()))->asXml();
         $body = new BufferStream(strlen($xml));
         $body->write($xml);
         return resolve($request->withBody($body)->withAddedHeader('Content-Type', 'text/xml'));

src/XmlEncodeMiddleware.php

@@ -2,10 +2,11 @@
 
 namespace ApiClients\Middleware\Xml;
 
+use ApiClients\Foundation\Transport\ParsedContentsInterface;
 use Psr\Http\Message\StreamInterface;
 use RingCentral\Psr7\BufferStream;
 
-class XmlStream implements StreamInterface
+class XmlStream implements StreamInterface, ParsedContentsInterface
 {
     /**
      * @var array
@@ -28,7 +29,7 @@ public function __construct(array $xml)
     /**
      * @return array
      */
-    public function getXml()
+    public function getParsedContents(): array
     {
         return $this->xml;
     }