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."));
}
}
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 IActionResult DeleteVirtualTicket(string cardid)
{
SmartTicket ticket = _dbContext.SmartTickets.Find(cardid);
if (ticket != null && ticket.Username == User.Identity.Name && ticket.Virtual)
{
_dbContext.Remove(ticket);
_dbContext.SaveChanges();
return(Ok("The ticket has been deleted."));
}
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"));
}
}
public IActionResult DeactivateTicket([FromBody] string cardId)
{
SmartTicket ticket = _dbContext.SmartTickets.Find(cardId);
if (ticket != null && !ticket.Deactivated && ticket.Username == User.Identity.Name)
{
ticket.Deactivated = true;
_dbContext.SaveChanges();
return(Ok("The ticket has been deactivated"));
}
else
{
return(StatusCode((int)HttpStatusCode.InternalServerError, ticket == null ? "No tickets found with the provided id" : ticket.Deactivated ? "The ticket is already deactivated" : "The user is not the owner of the ticket"));
}
}
public IActionResult UnbindTicket([FromBody] string cardId)
{
// I need to encrypt the cardId to avoid unallowed usage of the api
SmartTicket ticket = _dbContext.SmartTickets.Find(cardId);
if (ticket != null && !ticket.Deactivated && ticket.Username == User.Identity.Name)
{
ticket.Username = null;
_dbContext.SaveChanges();
return(Ok("The ticket has been succesfully unbound from the user's account."));
}
else
{
return(StatusCode((int)HttpStatusCode.InternalServerError, ticket == null ? "No tickets found with the provided id." : ticket.Username == null ? "The ticked is already unbound." : "The ticket is bound to another account."));
}
}
public IActionResult AssociateTicket([FromBody] string cardId)
{
// I need to encrypt the cardId to avoid unallowed usage of the api
SmartTicket ticket = _dbContext.SmartTickets.Find(cardId);
if (ticket != null && !ticket.Deactivated && ticket.Username == null && !_dbContext.SmartTickets.Any(s => s.Username == User.Identity.Name && !s.Virtual))
{
ticket.Username = User.Identity.Name;
_dbContext.SaveChanges();
return(Ok("The ticket has been succesfully associated to the user's account."));
}
else
{
return(StatusCode((int)HttpStatusCode.InternalServerError, ticket == null ? "No tickets found with the provided id." : ticket.Username != null ? "The ticked has already an associated account." : "The user already has an associated physical ticket."));
}
}
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"));
}
}
