Created action to generate QR codes

module/Common/src/Response/QrCodeResponse.php

@@ -0,0 +1,35 @@
+<?php
+namespace Shlinkio\Shlink\Common\Response;
+
+use Endroid\QrCode\QrCode;
+use Psr\Http\Message\StreamInterface;
+use Zend\Diactoros\Response;
+use Zend\Diactoros\Stream;
+
+class QrCodeResponse extends Response
+{
+    use Response\InjectContentTypeTrait;
+
+    public function __construct(QrCode $qrCode, $status = 200, array $headers = [])
+    {
+        parent::__construct(
+            $this->createBody($qrCode),
+            $status,
+            $this->injectContentType($qrCode->getContentType(), $headers)
+        );
+    }
+
+    /**
+     * Create the message body.
+     *
+     * @param QrCode $qrCode
+     * @return StreamInterface
+     */
+    private function createBody(QrCode $qrCode)
+    {
+        $body = new Stream('php://temp', 'wb+');
+        $body->write($qrCode->get());
+        $body->rewind();
+        return $body;
+    }
+}