/// <summary>
/// Обращается к базе данных и находит в ней поезд, соответствующий переданному в параметре, и уменьшает у него количество билетов на 1.
/// После окончания этой операции вызывает у класса MainWindow метод BookingReady.
/// </summary>
/// <param name="CurrentTrain"></param>
public static void BookTicket(Train CurrentTrain)
{
using (ContextForBookingDataBase BookingDBcontext = new ContextForBookingDataBase(NamesOfVariables.ConnectionStringName))
{
BookingDBcontext.ListOfTrains.First((res) => res.TrainName == CurrentTrain.TrainName).AmountOfFreeTickets = CurrentTrain.AmountOfFreeTickets;
BookingDBcontext.SaveChanges();
Application.Current.Dispatcher.Invoke(new Action(() => ApplicationMainWindow.BookingReady()));
}
}
private void ShowInfoAboutFoundTrainToUser(Train FoundTrain)
{
if (FoundTrain != null)
{
ProgramStateLabel.Foreground = Brushes.Green;
ProgramStateLabel.Content = Texts.LabelProgramStateReady;
CurrentTrainInfo = FoundTrain.TrainName + " " + FoundTrain.Stations.First().StationName + " - " + FoundTrain.Stations.Last().StationName;
TrainInfoLabel.Content = CurrentTrainInfo;
TrainInfoLabel.Foreground = Brushes.Blue;
AmountOfTicketsLabel.Content = FoundTrain.AmountOfFreeTickets.ToString();
AmountOfTicketsLabel.Foreground = Brushes.Blue;
if (CurrentTrain.AmountOfFreeTickets > 0)
{
BookTicketButton.Visibility = Visibility.Visible;
}
}
else
{
ProgramStateLabel.Foreground = Brushes.Red;
ProgramStateLabel.Content = Texts.LabelProgramStateTrainNotFound;
TrainInfoLabel.Content = Texts.LabelsForValuesErrorText;
TrainInfoLabel.Foreground = Brushes.Red;
AmountOfTicketsLabel.Content = Texts.LabelsForValuesErrorText;
AmountOfTicketsLabel.Foreground = Brushes.Red;
}
}
/// <summary>
/// Оповещаетпользователя о результатах поиска поезда. (Совершает необходимые изменения визуальных элементов главного окна приложения)
/// Кроме того 'освобождает' программу для следующего запроса на поиск поезда.
/// </summary>
/// <param name="FoundTrain"></param>
public void SearchOver(Train FoundTrain, bool DepartureStationFound, bool DestinationStationFound)
{
CurrentTrain = FoundTrain;
Storyboard StoryBoardForSearchAnimation = null;
StoryBoardForSearchAnimation = this.FindResource("LoadingAnimationStoryBoard") as Storyboard;
StoryBoardForSearchAnimation.Stop();
SearchDataAnimatedEllipse.Visibility = Visibility.Collapsed;
if (!DepartureStationFound)
{
DepartureStationNotFoundLabel.Visibility = Visibility.Visible;
}
else
{
DepartureStationNotFoundLabel.Visibility = Visibility.Collapsed;
}
if (!DestinationStationFound)
{
DestinationStationNotFoundLabel.Visibility = Visibility.Visible;
}
else
{
DestinationStationNotFoundLabel.Visibility = Visibility.Collapsed;
}
ShowInfoAboutFoundTrainToUser(FoundTrain);
ProgramBusy = false;
}
