BookStack\Repos\ChapterRepo::createFromInput PHP Метод

    public function createFromInput($input, Book $book)
    {
        $chapter = $this->chapter->newInstance($input);
        $chapter->slug = $this->findSuitableSlug($chapter->name, $book->id);
        $chapter->created_by = user()->id;
        $chapter->updated_by = user()->id;
        $chapter = $book->chapters()->save($chapter);
        $this->permissionService->buildJointPermissionsForEntity($chapter);
        return $chapter;
    }