private errorBorrow checkCondition(int borrowerNumber, int copyNumber, out Copy c, out Reservation r)
{
c = null;
r = null;
c = CopyDAO.GetCopy(copyNumber);
if (c == null)
{
return(errorBorrow.CopyNotExist);
}
if (c.Type == 'A')
{
return(errorBorrow.CopyReferenced);
}
if (c.Type == 'B')
{
return(errorBorrow.CopyBorrowed);
}
// Check if this book is reserved by others and you are not at the first of the reservation list
int bookNumber = c.BookNumber;
r = ReserveDAO.GetFirstReservation(bookNumber);
if (r != null && r.BorrowerNumber != borrowerNumber)
{
return(errorBorrow.CopyReserved);
}
return(errorBorrow.OK);
}
protected void btnBorrow_Click(object sender, EventArgs e)
{
DateTime receiveDate = Calendar1.SelectedDate;
DateTime dueDate = Calendar1.SelectedDate.AddDays(14);
CirculatedCopy cc = new CirculatedCopy(int.Parse(txtCopyNumber.Text), int.Parse(txtBorrowerNumber.Text),
receiveDate, dueDate);
c = CopyDAO.GetCopy(int.Parse(txtCopyNumber.Text));
r = r = ReserveDAO.GetFirstReservation(c.BookNumber);
borrow(cc, c, r);
showData();
displayButtons(1);
}
