Client.php

<?php

namespace eiriksm\FinnTransfer;

use GuzzleHttp\Psr7\MultipartStream;
use GuzzleHttp\Psr7\Request;
use GuzzleHttp\Psr7\Utils;

class Client implements ClientInterface
{

  /**
   * @return bool
   */
    public function isZip()
    {
        return $this->isZip;
    }

  /**
   * @param bool $isZip
   */
    public function setIsZip($isZip)
    {
        $this->isZip = $isZip;
    }

    protected $liveMode = false;

    private $isZip = false;

  /**
   * @return string
   */
    public function getRequestBody()
    {
        return $this->requestBody;
    }

  /**
   * @var string
   */
    private $requestBody;

  /**
   * @var Request
   */
    protected $request;

    public function setLiveMode()
    {
        $this->liveMode = true;
    }

  /**
   * @return bool
   */
    public function isLiveMode()
    {
        return $this->liveMode;
    }

  /**
   * @var \GuzzleHttp\Client
   */
    protected $client;

  /**
   * @return \eiriksm\FinnTransfer\Client
   */
    public function getClient()
    {
        return $this->client;
    }

  /**
   * @param mixed $client
   */
    public function setClient($client)
    {
        $this->client = $client;
    }

  /**
   * Send something.
   *
   * @param string $body
   *
   * @return mixed|\Psr\Http\Message\ResponseInterface
   */
    public function transfer($body, $type = 'xml')
    {
        $post_body = Utils::streamFor($body);
        $multipart = new MultipartStream([
        [
        'name' => 'fil',
        'contents' => $post_body,
        'filename' => "file.$type"
        ]
        ]);

        $headers = [];
        if ($this->isLiveMode()) {
            $url = 'https://www.finn.no/finn/import/fileimport';
        } else {
            // Test mode.
            $url = 'https://import.finn.no/finn/import/fileimport';
            $headers = [
                'Authorization' => 'Basic '. base64_encode('partner:testimport'),
            ];
        }

        $this->request = new Request('POST', $url, $headers, $multipart);

        if (!$this->isZip) {
            $this->requestBody = $body;
        }
        $res = $this->client->send($this->request);

        return $res;
    }

  /**
   * @param string $requestBody
   */
    public function setRequestBody($requestBody)
    {
        $this->requestBody = $requestBody;
    }

  /**
   * @return \GuzzleHttp\Psr7\Request
   */
    public function getRequest()
    {
        return $this->request;
    }
}