private void OnRemoveSeat()
{
if (SelectedSpot != null)
{
Spot spot = SelectedSpot;
ConfirmationBox cb = new ConfirmationBox
{
Message = String.Format(
"Вы действительно желаете удалить место № {0}, {1}, {2}, {3} ряд, {4} место из списка выбранных мест?",
spot.Id, spot.SideName, spot.SectorName, spot.RowNum, spot.SeatNum)
};
bool?result = cb.ShowDialog();
if (result ?? false)
{
// First we release all the selected seats
List <Seat> seats = ReleaseSeats(SelectedSpots.ToArray());
if (seats != null)
{
// Then we remove a seat from selected seats collection
SelectedSpots.Remove(spot);
// and mark spot as unselected on the map
foreach (Spot s in Spots)
{
if (s.Id == spot.Id)
{
s.IsSelected = false;
s.Width = 20;
s.Height = 20;
}
}
// At last we again lock seats
if (SelectedSpots.Count > 0)
{
LockSeats(SelectedSpots.ToArray());
}
}
}
}
}
/// <summary>
/// Locks seats
/// </summary>
private void LockSeats(Spot[] spots)
{
List <Seat> seats = new List <Seat>();
foreach (Spot spot in spots)
{
Seat seat = new Seat();
seat.Id = spot.Id;
seat.ReserveDate = ReserveDate;
seats.Add(seat);
}
List <Seat> lockedSeats = Data.Access.LockSeats(seats);
if (lockedSeats != null)
{
HashSet <int> writerIds = new HashSet <int>(lockedSeats.Select(x => x.Id));
seats.RemoveAll(x => writerIds.Contains(x.Id));
foreach (Seat s in seats)
{
SelectedSpots.Remove(SelectedSpots.Single(i => i.Id == s.Id));
Spots.Remove(Spots.Single(i => i.Id == s.Id));
}
int counter = 0;
decimal price = 0;
foreach (Spot spot in SelectedSpots)
{
counter++;
price += spot.Price;
spot.ItemId = counter;
}
StatusText = String.Format("Удерживается {0} мест на сумму {1}", SeatsCount.ToString("### ##0"), SeatsAmount.ToString("C0"));
OperationResult = String.Format("Выбрано мест {0} на сумму {1}", counter, price.ToString("C"));
}
}