public string CheckWasReturnDelayed(Book book)
{
var currentDate = DateTime.Now;
var borrowDate = book.Customer.BorrowDate;
int daysBookWasBorrowed = (currentDate - borrowDate).Days;
if (daysBookWasBorrowed > 60)
{
return(_errorService.ReturnDelayedReturnErrorMessage());
}
throw new Exception("You returned the book with dalay");
}
