public function getAnswerPosts($from = null, $to = null)
    {
        $answerPosts = array(
            'posts_per_page' => -1,
            'post_type' => 'customer-feedback',
            'post_status' => array('publish', 'pending', 'draft'),
        );

        $answerPosts['date_query'] = array(
            'inclusive' => true
        );

        if (!is_null($from)) {
            $answerPosts['date_query']['after'] = $from;
        }

        if (!is_null($to)) {
            $answerPosts['date_query']['before'] = $to;
        }

        $answerPosts = new \WP_Query($answerPosts);
        return $answerPosts->posts;
    }