Merge pull request #4 from php-middleware/use-compatibility-tool

Use double-pass-compatibility

composer.json

@@ -17,7 +17,8 @@
         "psr/log": "^1.0",
         "psr/http-message": "^1.0",
         "zendframework/zend-diactoros": "^1.4",
-        "http-interop/http-middleware": "^0.4.1"
+        "http-interop/http-middleware": "^0.4.1",
+        "php-middleware/double-pass-compatibility": "^1.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^6.1"

src/LogMiddleware.php

@@ -6,6 +6,7 @@
 
 use Interop\Http\ServerMiddleware\DelegateInterface;
 use Interop\Http\ServerMiddleware\MiddlewareInterface;
+use PhpMiddleware\DoublePassCompatibilityTrait;
 use PhpMiddleware\LogHttpMessages\Formatter\ResponseFormatter;
 use PhpMiddleware\LogHttpMessages\Formatter\ServerRequestFormatter;
 use Psr\Http\Message\ResponseInterface as Response;
@@ -15,6 +16,8 @@
 
 final class LogMiddleware implements MiddlewareInterface
 {
+    use DoublePassCompatibilityTrait;
+
     const LOG_MESSAGE = 'Request/Response';
 
     private $logger;
@@ -37,32 +40,18 @@ public function __construct(
         $this->logMessage = $logMessage;
     }
 
-    public function __invoke(ServerRequest $request, Response $response, callable $next) : Response
-    {
-        $outResponse = $next($request, $response);
-
-        $this->logMessages($request, $outResponse);
-
-        return $outResponse;
-    }
-
     public function process(ServerRequest $request, DelegateInterface $delegate) : Response
     {
         $response = $delegate->process($request);
 
-        $this->logMessages($request, $response);
-
-        return $response;
-    }
-
-    private function logMessages(ServerRequest $request, Response $response)
-    {
         $formattedRequest = $this->requestFormatter->formatServerRequest($request);
         $formattedResponse = $this->responseFormatter->formatResponse($response);
 
         $this->logger->log($this->level, $this->logMessage, [
             'request' => $formattedRequest->getValue(),
             'response' => $formattedResponse->getValue(),
         ]);
+
+        return $response;
     }
 }