public ComboBoxCustomItem(Seat seat)
{
CustomItem = seat;
Content = seat.SeatNumber;
}
private static void CreateTrip()
{
using (var db = new TicketDB())
{
Console.WriteLine("Creating trip!");
Console.WriteLine("List of cities:");
HashSet<int> cityIds = new HashSet<int>();
foreach (var city in db.Cities)
{
cityIds.Add(city.CityID);
Console.WriteLine($"{city.CityID} - {city.Name}");
}
Console.Write("Start City(Write Id): ");
var startCityArg = Console.ReadLine().Trim();
Console.Write("End City(Write Id): ");
var endCityArg = Console.ReadLine().Trim();
int startCityId, endCityId;
try
{
startCityId = int.Parse(startCityArg);
endCityId = int.Parse(endCityArg);
}
catch (FormatException)
{
Console.WriteLine("Invalid ids format! Operation aborted!");
return;
}
if (!cityIds.Contains(startCityId) || !cityIds.Contains(endCityId))
{
Console.WriteLine("Ids provided does not exist! Operation aborted!");
return;
}
Console.Write("Departure time (yyyy-MM-dd HH:mm fromat): ");
var departerTimeArg = Console.ReadLine().Trim();
DateTime departureTime;
if (!DateTime.TryParseExact(departerTimeArg, "yyyy-MM-dd HH:mm", null, System.Globalization.DateTimeStyles.None, out departureTime))
{
Console.WriteLine("Invalid date and time format! Operation aborted!");
return;
}
Console.Write("Travel Time(Format hh:mm): ");
var travelTimeArg = Console.ReadLine().Trim().Split(new[] { ':' }, StringSplitOptions.RemoveEmptyEntries);
if (travelTimeArg.Length != 2)
{
Console.WriteLine("Invalid time format! Operation aborted!");
return;
}
TimeSpan travelTime;
try
{
travelTime = new TimeSpan(int.Parse(travelTimeArg[0]), int.Parse(travelTimeArg[1]), 0);
}
catch (FormatException)
{
Console.WriteLine("Invalid id format! Operation aborted!");
return;
}
Console.WriteLine("List of trains:");
HashSet<int> trainIds = new HashSet<int>();
foreach (var train in db.Trains)
{
trainIds.Add(train.TrainID);
Console.WriteLine($"{train.TrainID} - {train.BriefDescription}");
}
Console.Write("Train(Write Id): ");
var trainArg = Console.ReadLine().Trim();
int trainId;
try
{
trainId = int.Parse(trainArg);
}
catch (FormatException)
{
Console.WriteLine("Invalid id format! Operation aborted!");
return;
}
if (!trainIds.Contains(trainId))
{
Console.WriteLine("Id provided does not exist! Operation aborted!");
return;
}
Console.Write("Ticket Price: ");
var ticketPriceArg = Console.ReadLine().Trim();
decimal ticketPrice;
try
{
ticketPrice = decimal.Parse(ticketPriceArg);
}
catch (FormatException)
{
Console.WriteLine("Invalid price format! Operation aborted!");
return;
}
try
{
Schedule schedule = new Schedule
{
StartCityID = startCityId,
EndCityID = endCityId,
DepartureTime = departureTime,
TravelTime = travelTime,
TrainID = trainId,
TicketPrice = ticketPrice
};
db.Schedules.Add(schedule);
db.SaveChanges();
var numberOfSeatsInTrain = (from train in db.Trains
where train.TrainID == trainId
select train.NumberOfSeats).Single();
for (int i = 0; i < numberOfSeatsInTrain; i++)
{
Seat seat = new Seat
{
SeatNumber = i + 1,
TrainID = trainId,
ScheduleID = schedule.ScheduleID,
Taken = false,
Class = SeatClass.SecondClass
};
db.Seats.Add(seat);
}
db.SaveChanges();
}
catch (OptimisticConcurrencyException ex)
{
Console.WriteLine("Cannot insert trip in database! Operation exited with message:");
Console.WriteLine(ex.Message);
return;
}
Console.WriteLine("Trip created successfully!");
}
}
