public void CheckBookItem(BookItem bookItem)
{
if (bookItem.IsReferenceOnly)
{
throw new Exception("Kitab tek nusxedir, goture bilmezsiniz");
}
if (bookItem.Status != BookStatus.AVAILABLE)
{
throw new Exception("Bu kitab goturmek ucun uygun deyil");
}
if (this.TotalBooksCheckedout >= Constants.Constants.MAX_BOOKS_ISSUED_TO_A_USER)
{
throw new Exception("Siz artiq kitab gore bilmezsiniz, once kitab qaytarmalisiniz");
}
bookItem.Status = BookStatus.LOANED;
this.TotalBooksCheckedout++;
}
public void ReturnBookItem(BookItem bookItem)
{
this.TotalBooksCheckedout--;
bookItem.Status = BookStatus.AVAILABLE;
}