public static string ImportTrains(StationsDbContext context, string jsonString)
{
var trainsFromJson = JsonConvert.DeserializeObject <TrainDto[]>(jsonString);
var result = new StringBuilder();
var validTrains = new List <Train>();
foreach (var train in trainsFromJson)
{
string trainNumber = train.TrainNumber;
var type = Enum.Parse <TrainType>(train.Type ?? "HighSpeed");
var seats = train.Seats;
var isTrainNumberValid = !String.IsNullOrWhiteSpace(trainNumber) &&
trainNumber?.Length <= 10 &&
!validTrains.Any(t => t.TrainNumber == trainNumber);
var areSeatsValid = seats
.All(s => context.SeatingClasses
.Any(sc => sc.Name == s.Name && sc.Abbreviation == s.Abbreviation) &&
s.Quantity != null &&
s.Quantity >= 0);
if (!isTrainNumberValid || !areSeatsValid)
{
result.AppendLine(FailureMessage);
continue;
}
var currentTrain = new Train()
{
TrainNumber = trainNumber,
Type = type,
TrainSeats = new List <TrainSeat>()
};
foreach (var seat in train.Seats)
{
var currentSeat = new TrainSeat()
{
Train = currentTrain,
SeatingClass = context.SeatingClasses.SingleOrDefault(sc => sc.Name == seat.Name && sc.Abbreviation == seat.Abbreviation),
Quantity = seat.Quantity.Value
};
currentTrain.TrainSeats.Add(currentSeat);
}
validTrains.Add(currentTrain);
result.AppendLine(string.Format(SuccessMessage, train.TrainNumber));
}
context.AddRange(validTrains);
context.SaveChanges();
return(result.ToString().TrimEnd());
}
public JsonResult BookTicket(string TrainId, string TrainSeatType, string DateOfJourney, string NameOfPassenger, string PanNumber, bool IsPaymentSuccessful)
{
var trainSeat = db.TrainSeats.FirstOrDefault(ts => ts.TrainId.Equals(TrainId) && ts.SeatType.Equals(TrainSeatType) && ts.IsReserved.Equals(false));
if (trainSeat != null)
{
var passengerInfo = new PassengerInformation
{
SeatNumber = trainSeat.SeatNumber,
PanNumber = PanNumber,
NameOfPassenger = NameOfPassenger,
IsPaymentSuccessful = IsPaymentSuccessful,
IsPaymentReturned = false,
IsTicketCanceled = false
};
db.PassengerInfo.Add(passengerInfo);
db.SaveChanges();
var trainSeatReserve = new TrainSeat
{
Id = trainSeat.Id,
IsReserved = true,
SeatNumber = trainSeat.SeatNumber,
SeatType = trainSeat.SeatType,
TrainId = trainSeat.TrainId,
TrainScheduledDateTime = trainSeat.TrainScheduledDateTime
};
//db.Entry(trainSeatReserve).State = EntityState.Modified;
db.Entry(trainSeat).CurrentValues.SetValues(trainSeatReserve);
db.SaveChanges();
}
return(Json(new
{
SeatNumber = trainSeat != null ? trainSeat.SeatNumber : "No seats available",
PanNumber = PanNumber,
NameOfPassenger = NameOfPassenger,
IsPaymentSuccessful = IsPaymentSuccessful,
IsPaymentReturned = false,
IsTicketCanceled = false,
Confirmed = trainSeat != null ? "Yes" : "No"
}, JsonRequestBehavior.AllowGet));
}
private void add_Click(object sender, EventArgs e)
{
Carriage carriage = new Carriage();
carriage.trainType = this.trainType.Text.ToCharArray()[0];
carriage.trainCode = this.trainCode.Text;
carriage.carriageNum = int.Parse(this.carriageNum.Text);
carriage.carriageType = this.carriageType.Text;
carriage.seatCount = int.Parse(this.seatNum.Text);
carriage.startDate = DateTime.Parse(this.dateTimePicker1.Text);
TrainNum trainNum = getTrainNum(this.dateTimePicker1.Text, this.trainCode.Text);
TrainSeat seat = new TrainSeat();
seat.seatType = this.seatType.Text;
seat.trainCode = this.trainCode.Text;
seat.carriageNum = this.carriageNum.Text;
seat.carriageType = this.carriageType.Text;
seat.carriageSeatNum = int.Parse(this.seatNum.Text);
seat.seatType = this.seatType.Text;
seat.startSite = trainNum.startSite;
seat.endSite = trainNum.endSite;
seat.startDate = this.dateTimePicker1.Text;
if (addCarriage(carriage) > 0)
{
for (int i = 1; i <= int.Parse(this.seatNum.Text); i++)
{
if (addSeat(seat, i) > 0)
{
MessageBox.Show("添加成功", "提示", MessageBoxButtons.OK);
}
else
{
MessageBox.Show("添加座位失败，请再次尝试！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
deleteSeat(seat);
}
}
}
else
{
MessageBox.Show("添加失败，请再次尝试！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
private static List <TrainSeat> GetSeats(StationsDbContext context, SeatDto[] seats)
{
List <TrainSeat> result = new List <TrainSeat>();
foreach (var seat in seats)
{
var seatingClassId = context.SeatingClasses.AsNoTracking().SingleOrDefault(a => a.Name == seat.Name && a.Abbreviation == seat.Abbreviation).Id;
TrainSeat trainSeat = new TrainSeat
{
Quantity = seat.Quantity.Value,
SeatingClassId = seatingClassId,
};
result.Add(trainSeat);
}
return(result);
}
public static string ImportTrains(StationsDbContext context, string jsonString)
{
var trainsDto = JsonConvert.DeserializeObject <TrainDto[]>(jsonString);
var sb = new StringBuilder();
var existingClassNames = context.SeatingClasses.Select(x => x.Name).ToList();
var existingClassAbbs = context.SeatingClasses.Select(x => x.Abbreviation).ToList();
var existingTrainNumbers = context.Trains.Select(x => x.TrainNumber).ToList();
var trains = new List <Train>();
foreach (var dto in trainsDto)
{
var flag = true;
foreach (var seat in dto.Seats)
{
if (!existingClassAbbs.Contains(seat.Abbreviation) || !existingClassNames.Contains(seat.Name))
{
flag = false;
break;
}
}
if (!flag)
{
sb.AppendLine(FailureMessage);
continue;
}
if (!IsValid(dto) || !dto.Seats.All(x => IsValid(x)))
{
sb.AppendLine(FailureMessage);
continue;
}
if (existingTrainNumbers.Contains(dto.TrainNumber))
{
sb.AppendLine(FailureMessage);
continue;
}
existingTrainNumbers.Add(dto.TrainNumber);
var train = new Train()
{
TrainNumber = dto.TrainNumber,
Type = dto.Type == null ? TrainType.HighSpeed : dto.Type
};
foreach (var seat in dto.Seats)
{
var @class = context
.SeatingClasses
.First(x => x.Name == seat.Name && x.Abbreviation == seat.Abbreviation);
var trainSeat = new TrainSeat()
{
SeatingClass = @class,
Quantity = seat.Quantity ?? 0
};
train.TrainSeats.Add(trainSeat);
}
trains.Add(train);
sb.AppendLine(string.Format(SuccessMessage, train.TrainNumber));
}
context.Trains.AddRange(trains);
context.SaveChanges();
return(sb.ToString().Trim());
}
private int deleteSeat(TrainSeat seat)
{
string sql = "DELETE dbo.TrainSeat WHERE trainCode='" + seat.trainCode + "' AND startDate='" + seat.startDate + "'";
return(SqlHelper.ExecuteNonQuery(sql));
}
private int addSeat(TrainSeat seat, int seatNum)
{
string sql = "INSERT INTO dbo.TrainSeat(trainCode,carriageNum,carriageType,carriageSeatNum,seatNum,seatType,startSite,endSite,startDate,trainType,seatState)VALUES('" + seat.trainCode + "', '" + seat.carriageNum + "', '" + seat.carriageType + "'," + seat.carriageSeatNum + ",'" + seatNum + "','" + seat.seatType + "','" + seat.startSite + "','" + seat.endSite + "','" + seat.startDate + "','" + seat.trainType + "', 1)";
return(SqlHelper.ExecuteNonQuery(sql));
}
public static string ImportTrains(StationsDbContext context, string jsonString)
{
var trains = JsonConvert.DeserializeObject <TrainDto[]>(jsonString);
StringBuilder sb = new StringBuilder();
List <Train> validTrains = new List <Train>();
foreach (var train in trains)
{
if (!IsValid(train))
{
sb.AppendLine(FailureMessage);
continue;
}
if (train.Type == null)
{
train.Type = TrainType.HighSpeed;
}
List <TrainSeat> trainSeats = new List <TrainSeat>();
bool isSeatsValid = true;
foreach (var seat in train.Seats)
{
var seatinClass = context.SeatingClasses.FirstOrDefault(x => x.Name == seat.Name && x.Abbreviation == seat.Abbreviation);
if (seatinClass == null || !IsValid(seat))
{
isSeatsValid = false;
break;
}
var trainSeat = new TrainSeat {
Quantity = seat.Quantity.Value, SeatingClass = seatinClass
};
trainSeats.Add(trainSeat);
}
var isTrainNumberExist = context.Trains.Any(x => x.TrainNumber == train.TrainNumber);
if (!isSeatsValid || isTrainNumberExist || validTrains.Any(x => x.TrainNumber == train.TrainNumber))
{
sb.AppendLine(FailureMessage);
continue;
}
var newTrain = new Train
{
TrainNumber = train.TrainNumber,
Type = train.Type,
TrainSeats = trainSeats
};
validTrains.Add(newTrain);
sb.AppendLine(string.Format(SuccessMessage, newTrain.TrainNumber));
}
context.Trains.AddRange(validTrains);
context.SaveChanges();
return(sb.ToString().TrimEnd());
}
public static string ImportTickets(StationsDbContext context, string xmlString)
{
XmlSerializer serializer = new XmlSerializer(typeof(TicketDto[]), new XmlRootAttribute("Tickets"));
TicketDto[] ticketDtos = (TicketDto[])serializer.Deserialize(new StringReader(xmlString));
StringBuilder sb = new StringBuilder();
List <Ticket> tickets = new List <Ticket>();
foreach (TicketDto dto in ticketDtos)
{
if (!IsValid(dto))
{
sb.AppendLine(FailureMessage);
continue;
}
DateTime departureTime = DateTime.ParseExact(dto.Trip.DepartureTime, "dd/MM/yyyy HH:mm", CultureInfo.InvariantCulture);
Trip trip = context.Trips
.Include(t => t.OriginStation)
.Include(t => t.DestinationStation)
.Include(t => t.Train)
.ThenInclude(t => t.TrainSeats)
.SingleOrDefault(t => t.OriginStation.Name == dto.Trip.OriginStation &&
t.DestinationStation.Name == dto.Trip.DestinationStation &&
t.DepartureTime == departureTime);
if (trip == null)
{
sb.AppendLine(FailureMessage);
continue;
}
CustomerCard card = null;
if (dto.Card != null)
{
card = context.Cards.SingleOrDefault(c => c.Name == dto.Card.Name);
if (card == null)
{
sb.AppendLine(FailureMessage);
continue;
}
}
string seatingClassAbbreviation = dto.Seat.Substring(0, 2);
int quantity = int.Parse(dto.Seat.Substring(2));
TrainSeat seatExists = trip.Train.TrainSeats.SingleOrDefault(s => s.SeatingClass.Abbreviation == seatingClassAbbreviation && quantity <= s.Quantity);
if (seatExists == null)
{
sb.AppendLine(FailureMessage);
continue;
}
string seat = dto.Seat;
Ticket ticket = new Ticket
{
Trip = trip,
CustomerCard = card,
Price = dto.Price,
SeatingPlace = seat
};
tickets.Add(ticket);
sb.AppendLine(string.Format("Ticket from {0} to {1} departing at {2} imported.",
trip.OriginStation.Name,
trip.DestinationStation.Name,
trip.DepartureTime.ToString("dd/MM/yyyy HH:mm", CultureInfo.InvariantCulture)));
}
context.Tickets.AddRange(tickets);
context.SaveChanges();
return(sb.ToString().Trim());
}
public static string ImportTrains(StationsDbContext context, string jsonString)
{
var dtos = JsonConvert.DeserializeObject <TrainImportDto[]>(jsonString);
var sb = new StringBuilder();
var trains = new List <Train>();
Func <TrainImportDto, bool> ValidateDto = new Func <TrainImportDto, bool>((dto) =>
{
if (dto.Seats == null)
{
return(false);
}
if (dto.Seats.Select(s => s.Name).Distinct().Count() != dto.Seats.Count())
{
return(false);
}
if (dto.Seats.Select(s => s.Quantity).Any(q => q == null || q < 0))
{
return(false);
}
if (trains.Any(t => t.TrainNumber == dto.TrainNumber))
{
return(false);
}
if (dto.Type == null)
{
dto.Type = TrainType.HighSpeed;
}
return(true);
});
foreach (var dto in dtos)
{
if (!IsValid(dto) || !ValidateDto(dto))
{
sb.AppendLine(FailureMessage);
continue;
}
var hasSeat = true;
var trainSeats = new List <TrainSeat>();
foreach (var trainSeatDto in dto.Seats)
{
var seat = context.SeatingClasses
.FirstOrDefault(s => s.Name == trainSeatDto.Name && s.Abbreviation == trainSeatDto.Abbreviation);
if (seat == null)
{
hasSeat = false;
break;
}
var trainSeat = new TrainSeat
{
Quantity = trainSeatDto.Quantity ?? default(int),
SeatingClassId = seat.Id
};
trainSeats.Add(trainSeat);
}
if (!hasSeat)
{
sb.AppendLine(FailureMessage);
continue;
}
var train = new Train
{
TrainNumber = dto.TrainNumber,
Type = dto.Type,
TrainSeats = trainSeats
};
trains.Add(train);
sb.AppendLine(String.Format(SuccessMessage, train.TrainNumber));
}
context.Trains.AddRange(trains);
context.SaveChanges();
var result = sb.ToString();
return(result);
}
public static string ImportTrains(StationsDbContext context, string jsonString)
{
var trains = new List <Train>();
var result = new StringBuilder();
var objTrains = JsonConvert.DeserializeObject <TrainDto[]>(jsonString, new JsonSerializerSettings {
NullValueHandling = NullValueHandling.Ignore
});
foreach (var objTrain in objTrains)
{
var ifTrainExists = trains.Any(t => t.TrainNumber == objTrain.TrainNumber);
if (!IsValid(objTrain) || ifTrainExists)
{
result.AppendLine(FailureMessage);
continue;
}
var ifAllSeatsValid = true;
var seats = new List <TrainSeat>();
foreach (var objSeat in objTrain.Seats)
{
var ifSeatClassExists = context.SeatingClasses.Any(sc =>
sc.Name == objSeat.Name && sc.Abbreviation == objSeat.Abbreviation);
//var ifSeatClassWithSameNameDiffAbbr = context.SeatingClasses.Any(sc => (sc.Name == objSeat.Name && sc.Abbreviation != objSeat.Abbreviation) || (sc.Name != objSeat.Name && sc.Abbreviation == objSeat.Abbreviation));
if (!IsValid(objSeat) || !ifSeatClassExists)
{
ifAllSeatsValid = false;
break;
}
var seat = new TrainSeat
{
SeatingClass = context.SeatingClasses.SingleOrDefault(sc =>
sc.Name == objSeat.Name && sc.Abbreviation == objSeat.Abbreviation),
Quantity = objSeat.Quantity
};
seats.Add(seat);
}
if (!ifAllSeatsValid)
{
result.AppendLine(FailureMessage);
continue;
}
var train = new Train
{
TrainNumber = objTrain.TrainNumber,
Type = Enum.Parse <TrainType>(objTrain.Type),
TrainSeats = seats
};
trains.Add(train);
result.AppendLine(string.Format(SuccessMessage, train.TrainNumber));
}
context.Trains.AddRange(trains);
context.SaveChanges();
return(result.ToString());
}
public static string ImportTrains(StationsDbContext context, string jsonString)
{
var json = JsonConvert.DeserializeObject <List <TrainDto> >(jsonString);
var sb = new StringBuilder();
foreach (var element in json)
{
string trainNumber = element.TrainNumber;
string type = element.Type ?? "HighSpeed";
var seats = element.Seats.ToList();
var validSeats = new List <TrainSeat>();
bool ifExist = false;
bool isValid = IsValid(element);
foreach (var seat in seats)
{
string name = seat.Name;
string abbreviation = seat.Abbreviation;
int? quantity = seat.Quantity;
bool isValidSeat = IsValid(seat);
int?seatClassId = context.SeatingClasses
.SingleOrDefault(s => s.Name == name && s.Abbreviation == abbreviation)?.Id;
if (!context.SeatingClasses.Any(t => t.Id == seatClassId) || !isValidSeat)
{
ifExist = true;
break;
}
var trainSeat = new TrainSeat()
{
Quantity = (int)quantity, SeatingClassId = (int)seatClassId
};
validSeats.Add(trainSeat);
}
if (ifExist || context.Trains.Any(t => t.TrainNumber == trainNumber) || !isValid)
{
sb.AppendLine(FailureMessage);
continue;
}
var train = new Train()
{
TrainNumber = trainNumber,
TrainSeats = new List <TrainSeat>(validSeats),
Type = (TrainType?)Enum.GetNames(typeof(TrainType)).ToList().IndexOf(type)
};
context.Trains.Add(train);
context.SaveChanges();
var msg = string.Format(SuccessMessage, trainNumber);
sb.AppendLine(msg);
}
return(sb.ToString());
}
