//Borrow a book from the library as a person.
public static void BorrowBook(Book book, Person person)
{
book.IsAvailable = false;
book.BorrowerId = person.Id;
book.ReturnUntil = DateTime.Now.AddDays(Book.BORROWINGWEEKS * 7);
book.TimesExtended = 0;
LibraryDataProvider.UpdateData(_url, book, book.Id);
}
//Borrow a book from the library as a person.
public static bool?ReturnBook(Book book, Person person, bool forced)
{
ReturnStatus status = Returnable(book, person);
if (status == ReturnStatus.RETURNABLE || (status == ReturnStatus.RULEBREAK && forced))
{
book.IsAvailable = true;
book.BorrowerId = null;
book.ReturnUntil = null;
book.TimesExtended = null;
LibraryDataProvider.UpdateData(_url, book, book.Id);
return(true);
}
else if (status == ReturnStatus.RULEBREAK && !forced)
{
return(false);
}
return(null);
}
