$this->checkOwnablePermission('book-update', $book);
$this->checkOwnablePermission('book-delete', $book);
$this->checkPermission('bookshelf-create-all');
$this->checkPermission('book-create-all');
$this->checkOwnablePermission('book-update', $book);
$this->checkOwnablePermission('book-delete', $book);
$this->checkPermission('bookshelf-create-all');
$this->checkPermission('book-create-all');