refactored exceptions

src/RequestErrorException.php

@@ -12,17 +12,16 @@
 
 /**
  * Request error exception.
+ *
+ * For exceptions during request sending.
  */
 class RequestErrorException extends Exception
 {
     /**
-     * @var array The API response
+     * @return RequestInterface
      */
-    public $response;
-
-    public function __construct($message, array $errorInfo = [], $code = 0, \Exception $previous = null)
+    public function getRequest()
     {
-        parent::__construct($message, $errorInfo, $code, $previous);
-        $this->response = $this->errorInfo['response'];
+        return $this->errorInfo['request'];
     }
 }

src/ResponseErrorException.php

@@ -12,17 +12,16 @@
 
 /**
  * Response error exception.
+ *
+ * For exceptions during response processing.
  */
 class ResponseErrorException extends Exception
 {
     /**
-     * @var array The API response
+     * @return ResponseInterface
      */
-    public $response;
-
-    public function __construct($message, array $errorInfo = [], $code = 0, \Exception $previous = null)
+    public function getResponse()
     {
-        parent::__construct($message, $errorInfo, $code, $previous);
-        $this->response = $this->errorInfo['response'];
+        return $this->errorInfo['response'];
     }
 }

src/stream/Request.php

@@ -45,7 +45,8 @@ public function send($options = [])
             $responseHeaders = $http_response_header;
             fclose($stream);
         } catch (\Exception $e) {
-            throw new RequestErrorException($e->getMessage(), $e->getCode(), $e);
+            $errorInfo = ['request' => $this];
+            throw new RequestErrorException($e->getMessage(), $errorInfo, $e->getCode(), $e);
         }
 
         return new $this->responseClass($this, $responseContent, $responseHeaders);