*/
public function destroy(string $bookSlug)
{
$book = $this->bookRepo->getBySlug($bookSlug);
$this->checkOwnablePermission('book-delete', $book);
*/
public function destroy(string $bookSlug)
{
$book = $this->bookRepo->getBySlug($bookSlug);
$this->checkOwnablePermission('book-delete', $book);