public IActionResult AddCredit([FromBody] CreditRecharge recharge)
{
byte[] encryptedTicketInNDEFMessage;
SmartTicket ticket = _dbContext.SmartTickets.Find(recharge.TicketId);
// Add online payments logic here to authorize the balance increase
if (ticket != null)
{
try
{
ticket.Credit += recharge.Amount;
EncryptableSmartTicket encryptableTicket = Utility.ConvertToEncryptableSmartTicket(ticket);
byte[] encryptedTicket = TicketEncryption.EncryptTicket(encryptableTicket, TicketEncryption.GetPaddedIV(encryptableTicket.CardID));
encryptedTicketInNDEFMessage = new NDEFMessage(encryptedTicket, NDEFRecordType.Types.Text).GetFormattedBlock();
_dbContext.SaveChanges();
_dbContext.CreditTransactions.Add(new CreditTransaction()
{
Amount = recharge.Amount, CardId = recharge.TicketId, Date = DateTime.Now, Location = "online"
});
_dbContext.SaveChanges();
}
catch (Exception ex)
{
return(StatusCode(500, ex.Message));
}
return(Ok(encryptedTicketInNDEFMessage));
}
else
{
return(StatusCode((int)HttpStatusCode.InternalServerError, "The ticket has not been found."));
}
}
public void RegisterTicketUpdate(EncryptableSmartTicket encryptableTicket)
{
SmartTicket ticket = _dbContext.SmartTickets.Find(BitConverter.ToString(encryptableTicket.CardID));
if (ticket != null)
{
ticket.Credit = encryptableTicket.Credit;
ticket.TicketType = encryptableTicket.TicketTypeName;
ticket.CurrentValidation = encryptableTicket.CurrentValidation;
ticket.SessionValidation = encryptableTicket.SessionValidation;
ticket.SessionExpense = encryptableTicket.SessionExpense;
_dbContext.SaveChanges();
}
}
public static EncryptableSmartTicket ConvertToEncryptableSmartTicket(SmartTicket ticket)
{
string[] cardIdStringArray = ticket.CardId.Trim().Split("-");
byte[] cardId = new byte[cardIdStringArray.Length];
for (int i = 0; i < cardIdStringArray.Length; i++)
{
cardId[i] = Convert.ToByte(cardIdStringArray[i], 16);
}
EncryptableSmartTicket encryptableTicket = new EncryptableSmartTicket()
{
CardID = cardId,
Credit = ticket.Credit,
CurrentValidation = ticket.CurrentValidation,
SessionValidation = ticket.SessionValidation,
UsageTimestamp = ticket.UsageTimestamp,
SessionExpense = ticket.SessionExpense,
TicketTypeName = ticket.TicketType
};
return(encryptableTicket);
}
public IActionResult ValidateTicket([FromBody] ValidationRegistration registration)
{
SmartTicket ticket = _dbContext.SmartTickets.Find(registration.TicketId);
if (ticket != null && ticket.Username == User.Identity.Name && ticket.Virtual)
{
try
{
EncryptableSmartTicket encryptableTicket = Utility.ConvertToEncryptableSmartTicket(ticket);
ValidationManager manager = new ValidationManager(encryptableTicket, this, registration.Location);
manager.ValidateTicket();
return(Ok("Ticket validated"));
}
catch (Exception ex)
{
return(StatusCode((int)HttpStatusCode.InternalServerError, ex.Message));
}
}
else
{
return(StatusCode((int)HttpStatusCode.InternalServerError, ticket == null ? "No tickets found with the provided id" : ticket.Username != User.Identity.Name ? "The user is not the owner of the ticket" : "The ticket is not virtual"));
}
}
