first commit

lib/Model/YosDownloadResponse.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace Yeepay\Yop\Sdk\Model;
+
+use GuzzleHttp\Psr7\LazyOpenStream;
+use Psr\Http\Message\StreamInterface;
+
+class YosDownloadResponse extends BaseResponse
+{
+
+    /**
+     * @var StreamInterface
+     */
+    private $result;
+
+    /**
+     * @return YopResponseMetadata
+     */
+    public function getMetadata()
+    {
+        return parent::getMetadata();
+    }
+
+    protected function getMetaDataInstance()
+    {
+        return new YosDownloadResponseMetadata();
+    }
+
+    /**
+     * @param $file string|resource
+     */
+    public function save($file)
+    {
+        $sink          = is_string($file)
+            ? new LazyOpenStream($file, 'w+')
+            : \GuzzleHttp\Psr7\stream_for($file);
+        $contentLength = $this->getMetadata()->getContentLength();
+        \GuzzleHttp\Psr7\copy_to_stream(
+            $this->result,
+            $sink,
+            (strlen($contentLength) > 0 && (int) $contentLength > 0) ? (int) $contentLength : -1
+        );
+        $sink->seek(0);
+        $this->result->close();
+    }
+
+    function getResultClass()
+    {
+        return StreamInterface::class;
+    }
+
+    /**
+     * @param  StreamInterface  $result
+     */
+    function setResult($result)
+    {
+        $this->result = $result;
+    }
+
+}