added stream transport implementation

Author: hiqsol

src/stream/Request.php

@@ -11,6 +11,7 @@
 namespace hiqdev\hiart\stream;
 
 use hiqdev\hiart\AbstractRequest;
+use yii\helpers\Inflector;
 
 /**
  * PHP stream request implementation.
@@ -21,7 +22,70 @@ class Request extends AbstractRequest
 {
     protected $workerClass = RequestWorker::class;
 
-    protected function createWorker()
+    public $defaultOptions = [
+        'http' => [
+            'ignore_errors' => true,
+        ],
+        'ssl' => [
+            'verify_peer' => false,
+        ],
+    ];
+
+    public function send($options = [])
     {
+        $this->build();
+
+        try {
+            $context = stream_context_create($this->prepareContextOptions($options));
+            $stream = fopen($this->getFullUri(), 'rb', false, $context);
+            $responseContent = stream_get_contents($stream);
+            // see http://php.net/manual/en/reserved.variables.httpresponseheader.php
+            $responseHeaders = $http_response_header;
+            fclose($stream);
+        } catch (\Exception $e) {
+            throw new Exception($e->getMessage(), $e->getCode(), $e);
+        }
+
+        return new $this->responseClass($this, $responseContent, $responseHeaders);
+    }
+
+    protected function prepareContextOptions($options)
+    {
+        $requestOptions = [
+            'http' => [
+                'method' => $this->method,
+                'header' => $this->headers,
+            ],
+        ];
+
+        if (isset($this->body)) {
+            $requestOptions['http']['content'] = $this->body;
+        }
+
+        $dbOptions = $this->convertContextOptions($this->getDb()->requestOptions);
+        $sendOptions = $this->convertContextOptions($options);
+
+        return ArrayHelper::merge($this->defaultOptions, $dbOptions, $requestOptions, $sendOptions);
+    }
+
+    /**
+     * Converts raw options to stream context options.
+     * @param array $options raw options.
+     * @return array stream context options.
+     */
+    protected function convertContextOptions(array $options)
+    {
+        $contextOptions = [];
+        foreach ($options as $key => $value) {
+            $section = 'http';
+            if (strpos($key, 'ssl') === 0) {
+                $section = 'ssl';
+                $key = substr($key, 3);
+            }
+            $key = Inflector::underscore($key);
+            $contextOptions[$section][$key] = $value;
+        }
+
+        return $contextOptions;
     }
 }

src/stream/Response.php

@@ -19,8 +19,24 @@
  */
 class Response extends AbstractResponse
 {
-    /**
-     * @var ResponseWorker
-     */
-    protected $worker;
+    protected $rawData;
+
+    protected $headers;
+
+    public function __construct(Request $request, $rawData, array $headers)
+    {
+        $this->request = $request;
+        $this->rawData = $rawData;
+        $this->headers = $headers;
+    }
+
+    public function getRawData()
+    {
+        return $this->rawData;
+    }
+
+    public function getHeader($name)
+    {
+        return isset($this->headers[$name]) ? $this->headers[$name] : null;
+    }
 }