allow vendord

vendor/php-http/guzzle7-adapter/src/Promise.php

@@ -0,0 +1,123 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Http\Adapter\Guzzle7;
+
+use GuzzleHttp\Exception as GuzzleExceptions;
+use GuzzleHttp\Promise\PromiseInterface;
+use Http\Adapter\Guzzle7\Exception\UnexpectedValueException;
+use Http\Client\Exception as HttplugException;
+use Http\Promise\Promise as HttpPromise;
+use Psr\Http\Message\RequestInterface;
+use Psr\Http\Message\ResponseInterface;
+
+/**
+ * Wrapper around Guzzle promises.
+ *
+ * @author Joel Wurtz <joel.wurtz@gmail.com>
+ */
+final class Promise implements HttpPromise
+{
+    /**
+     * @var PromiseInterface
+     */
+    private $promise;
+
+    /**
+     * @var string State of the promise
+     */
+    private $state;
+
+    /**
+     * @var ResponseInterface
+     */
+    private $response;
+
+    /**
+     * @var HttplugException
+     */
+    private $exception;
+
+    /**
+     * @var RequestInterface
+     */
+    private $request;
+
+    public function __construct(PromiseInterface $promise, RequestInterface $request)
+    {
+        $this->request = $request;
+        $this->state = self::PENDING;
+        $this->promise = $promise->then(function ($response) {
+            $this->response = $response;
+            $this->state = self::FULFILLED;
+
+            return $response;
+        }, function ($reason) {
+            $this->state = self::REJECTED;
+
+            if ($reason instanceof HttplugException) {
+                $this->exception = $reason;
+            } elseif ($reason instanceof GuzzleExceptions\GuzzleException) {
+                $this->exception = $this->handleException($reason);
+            } elseif ($reason instanceof \Throwable) {
+                $this->exception = new HttplugException\TransferException('Invalid exception returned from Guzzle7', 0, $reason);
+            } else {
+                $this->exception = new UnexpectedValueException('Reason returned from Guzzle7 must be an Exception');
+            }
+
+            throw $this->exception;
+        });
+    }
+
+    public function then(?callable $onFulfilled = null, ?callable $onRejected = null)
+    {
+        return new static($this->promise->then($onFulfilled, $onRejected), $this->request);
+    }
+
+    public function getState()
+    {
+        return $this->state;
+    }
+
+    public function wait($unwrap = true)
+    {
+        $this->promise->wait(false);
+
+        if ($unwrap) {
+            if (self::REJECTED === $this->getState()) {
+                throw $this->exception;
+            }
+
+            return $this->response;
+        }
+    }
+
+    /**
+     * Converts a Guzzle exception into an Httplug exception.
+     *
+     * @return HttplugException
+     */
+    private function handleException(GuzzleExceptions\GuzzleException $exception)
+    {
+        if ($exception instanceof GuzzleExceptions\ConnectException) {
+            return new HttplugException\NetworkException($exception->getMessage(), $exception->getRequest(), $exception);
+        }
+
+        if ($exception instanceof GuzzleExceptions\RequestException) {
+            // Make sure we have a response for the HttpException
+            if ($exception->hasResponse()) {
+                return new HttplugException\HttpException(
+                    $exception->getMessage(),
+                    $exception->getRequest(),
+                    $exception->getResponse(),
+                    $exception
+                );
+            }
+
+            return new HttplugException\RequestException($exception->getMessage(), $exception->getRequest(), $exception);
+        }
+
+        return new HttplugException\TransferException($exception->getMessage(), 0, $exception);
+    }
+}