protected function prepare(array $product)
    {
        $data = array();
        foreach ($this->job['data']['header'] as $key => $value) {
            $data[$key] = isset($product[$key]) ? $product[$key] : '';
        }

        $this->prepareImages($data, $product);
        $this->preparePrice($data, $product);
        $this->prepareImages($data, $product);

        return $data;
    }