public IActionResult CreateVirtualTicket()
{
byte[] encryptedTicketInNDEFMessage = new byte[] { };
SmartTicket virtualTicket = null;
if (!_dbContext.SmartTickets.Any(s => s.Username == User.Identity.Name && s.Virtual && !s.Deactivated))
{
try
{
byte[] virtualTicketId = Guid.NewGuid().ToByteArray();
virtualTicket = new SmartTicket()
{
CardId = BitConverter.ToString(virtualTicketId), Credit = 0, TicketType = "BIT", Username = User.Identity.Name, Virtual = true, UsageTimestamp = DateTime.Now, Deactivated = false
};
byte[] encryptedTicket = TicketEncryption.EncryptTicket(Utility.ConvertToEncryptableSmartTicket(virtualTicket), TicketEncryption.GetPaddedIV(virtualTicketId));
encryptedTicketInNDEFMessage = new NDEFMessage(encryptedTicket, NDEFRecordType.Types.Text).GetFormattedBlock();
_dbContext.SmartTickets.Add(virtualTicket);
_dbContext.SaveChanges();
}
catch (Exception ex)
{
return(StatusCode((int)HttpStatusCode.InternalServerError, ex.Message));
}
return(Ok(BitConverter.ToString(encryptedTicketInNDEFMessage)));
}
return(StatusCode((int)HttpStatusCode.InternalServerError, "The user already has an associated virtual ticket"));
}
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."));
}
}