[HttpPost]//, Authorize(Roles = "l")]
public ActionResult <BookDTO> AddBook([FromBody] BookDTO book)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
if (_bookService.IfISBNExists(book.Isbn))
{
return(BadRequest(new { alert = "Książka o danym ISBN już istnieje w bazie danych." }));
}
_bookService.AddBook(book);
return(CreatedAtAction("AddBook", new { id = book.BookId }, book));
}
