public function getUrl($path = false)
{
$bookSlug = $this->getAttribute('bookSlug') ? $this->getAttribute('bookSlug') : $this->book->slug;
if ($path !== false) {
return baseUrl('/books/' . urlencode($bookSlug) . '/chapter/' . urlencode($this->slug) . '/' . trim($path, '/'));
}
return baseUrl('/books/' . urlencode($bookSlug) . '/chapter/' . urlencode($this->slug));
}