Http: add support for PSR17/PSR18 and drop usage of deprecated client…

… discovery (#363)

composer.json

@@ -43,12 +43,15 @@
         "psr/http-message": "^1.0"
     },
     "require-dev": {
-        "guzzlehttp/psr7": "^1.7.0",
+        "nyholm/psr7": "^1.6.1",
         "php-http/mock-client": "^1.4",
         "phpunit/phpunit": "^7.5 || ^8.5 || ^9.3",
         "squizlabs/php_codesniffer": "^3.1"
     },
     "config": {
-        "sort-packages": true
+        "sort-packages": true,
+        "allow-plugins": {
+            "php-http/discovery": false
+        }
     }
 }

src/IntercomClient.php

@@ -4,18 +4,18 @@
 
 use Http\Client\Common\Plugin\ErrorPlugin;
 use Http\Client\Common\PluginClient;
-use Http\Client\HttpClient;
-use Http\Discovery\HttpClientDiscovery;
-use Http\Discovery\MessageFactoryDiscovery;
-use Http\Discovery\UriFactoryDiscovery;
+use Http\Discovery\Psr17FactoryDiscovery;
+use Http\Discovery\Psr18ClientDiscovery;
 use Http\Message\Authentication;
 use Http\Message\Authentication\BasicAuth;
 use Http\Message\Authentication\Bearer;
-use Http\Message\RequestFactory;
-use Http\Message\UriFactory;
 use Psr\Http\Client\ClientExceptionInterface;
+use Psr\Http\Client\ClientInterface;
+use Psr\Http\Message\RequestFactoryInterface;
 use Psr\Http\Message\RequestInterface;
 use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\StreamFactoryInterface;
+use Psr\Http\Message\UriFactoryInterface;
 use Psr\Http\Message\UriInterface;
 use stdClass;
 
@@ -24,20 +24,25 @@ class IntercomClient
     const SDK_VERSION = '4.4.0';
 
     /**
-     * @var HttpClient $httpClient
+     * @var ClientInterface $httpClient
      */
     private $httpClient;
 
     /**
-     * @var RequestFactory $requestFactory
+     * @var RequestFactoryInterface $requestFactory
      */
     private $requestFactory;
 
     /**
-     * @var UriFactory $uriFactory
+     * @var UriFactoryInterface $uriFactory
      */
     private $uriFactory;
 
+    /**
+     * @var StreamFactoryInterface $streamFactory
+     */
+    private $streamFactory;
+
     /**
      * @var string API user authentication
      */
@@ -163,40 +168,51 @@ public function __construct(string $appIdOrToken, string $password = null, array
         $this->extraRequestHeaders = $extraRequestHeaders;
 
         $this->httpClient = $this->getDefaultHttpClient();
-        $this->requestFactory = MessageFactoryDiscovery::find();
-        $this->uriFactory = UriFactoryDiscovery::find();
+        $this->requestFactory = Psr17FactoryDiscovery::findRequestFactory();
+        $this->uriFactory = Psr17FactoryDiscovery::findUriFactory();
+        $this->streamFactory =  Psr17FactoryDiscovery::findStreamFactory();
     }
 
     /**
      * Sets the HTTP client.
      *
-     * @param HttpClient $httpClient
+     * @param ClientInterface  $httpClient
      */
-    public function setHttpClient(HttpClient $httpClient)
+    public function setHttpClient(ClientInterface $httpClient)
     {
         $this->httpClient = $httpClient;
     }
 
     /**
      * Sets the request factory.
      *
-     * @param RequestFactory $requestFactory
+     * @param RequestFactoryInterface $requestFactory
      */
-    public function setRequestFactory(RequestFactory $requestFactory)
+    public function setRequestFactory(RequestFactoryInterface $requestFactory)
     {
         $this->requestFactory = $requestFactory;
     }
 
     /**
      * Sets the URI factory.
      *
-     * @param UriFactory $uriFactory
+     * @param UriFactoryInterface $uriFactory
      */
-    public function setUriFactory(UriFactory $uriFactory)
+    public function setUriFactory(UriFactoryInterface $uriFactory)
     {
         $this->uriFactory = $uriFactory;
     }
 
+    /**
+     * Sets the stream factory.
+     *
+     * @param StreamFactoryInterface $streamFactory
+     */
+    public function setStreamFactory(StreamFactoryInterface $streamFactory)
+    {
+        $this->streamFactory = $streamFactory;
+    }
+
     /**
      * Sends POST request to Intercom API.
      *
@@ -310,12 +326,12 @@ public function getRateLimitDetails()
     }
 
     /**
-     * @return HttpClient
+     * @return ClientInterface
      */
     private function getDefaultHttpClient()
     {
         return new PluginClient(
-            HttpClientDiscovery::find(),
+            Psr18ClientDiscovery::find(),
             [new ErrorPlugin()]
         );
     }
@@ -372,11 +388,21 @@ private function authenticateRequest(RequestInterface $request)
      */
     private function sendRequest($method, $uri, $body = null)
     {
-        $headers = $this->getRequestHeaders();
         $body = is_array($body) ? json_encode($body) : $body;
-        $request = $this->authenticateRequest(
-            $this->requestFactory->createRequest($method, $uri, $headers, $body)
-        );
+        $request = $this->requestFactory
+            ->createRequest($method, $uri);
+
+        if ($body !== null) {
+            $request = $request
+                ->withBody($this->streamFactory->createStream($body));
+        }
+
+        foreach ($this->getRequestHeaders() as $name => $value) {
+            $request = $request
+                ->withHeader($name, $value);
+        }
+
+        $request = $this->authenticateRequest($request);
 
         return $this->httpClient->sendRequest($request);
     }

tests/IntercomClientTest.php

@@ -3,21 +3,21 @@
 namespace Intercom\Test;
 
 use DateTimeImmutable;
-use GuzzleHttp\Psr7\Response;
 use Http\Client\Common\Plugin\ErrorPlugin;
 use Http\Client\Common\PluginClient;
 use Http\Client\Exception;
-use Http\Discovery\HttpClientDiscovery;
+use Http\Discovery\Psr18ClientDiscovery;
 use Http\Discovery\Strategy\MockClientStrategy;
 use Http\Mock\Client;
 use Intercom\IntercomClient;
+use Nyholm\Psr7\Response;
 use stdClass;
 
 class IntercomClientTest extends TestCase
 {
     protected function setUp(): void
     {
-        HttpClientDiscovery::prependStrategy(MockClientStrategy::class);
+        Psr18ClientDiscovery::prependStrategy(MockClientStrategy::class);
     }
 
     public function testBasicClient()