public void AddPOSTransaction(TransactionPM tx, POSTransactionPM txPos, string credentialsId)
{
string accountNumberIdRef = _accountRepository.GetAccountForUser(credentialsId).AccountNumberId;
if (tx.AccountNumberIdToRef != accountNumberIdRef)
{
throw new ValidationException("Incorrect account to ref");
}
tx.AccountNumberIdFromRef = _cardsRepository.GetCard(tx.CardSerialNumberIdFrom).AccountNumberIdRef;
txPos.TransactionDateTime = DateTime.Now;
tx.TransactionDateTime = txPos.TransactionDateTime;
txPos.AccountNumberIdToRef = tx.AccountNumberIdToRef;
txPos.AccountNumberIdFromRef = tx.AccountNumberIdFromRef;
using (IDbContextTransaction dbTransaction = _context.Database.BeginTransaction())
{
try
{
TransactionPM tpm = new TransactionPM()
{
Amount = tx.Amount,
TransactionType = TransactionType.SendMoneyFromCardToApp,//hardcoded
AccountNumberIdFromRef = tx.AccountNumberIdFromRef,
AccountNumberIdToRef = tx.AccountNumberIdToRef,
CardSerialNumberIdFrom = tx.CardSerialNumberIdFrom,
CardSerialNumberIdTo = tx.CardSerialNumberIdTo,
CardFromEMVData = tx.CardFromEMVData,
};
int id = _transactionRepository.AddCardBasedTransaction(tpm, credentialsId, false);
txPos.TransactionIdRef = id;
_context.POSTransactions.Add(txPos);
_context.SaveChanges();
dbTransaction.Commit();
}
catch (Exception ex)
{
dbTransaction.Rollback();
throw new TechnicalException("Error Occured during transaction db operation. Transaction Rolled Back:" + ex.Message);
}
}
}
public void CardTransfer(string json)
{
CardTransferTransaction tx = CardTransferTransaction.FromJsonString(json);
if (tx.Amount == 0)
{
throw new ValidationException("Invalid Amount");
}
TLV tlv = TLVasJSON.FromJSON(tx.CardFromEMVData);
byte[] arpc = VerifyCardSignature(tlv);
if (arpc == null)
{
throw new ValidationException("ARQC failure");
}
//TODO: only accept transactions from DC EMV cards, not EMV cards
switch (tx.TransactionType)
{
case TransactionType.SendMoneyFromAppToCard:
if (!Validate.GuidValidation(tx.AccountFrom))
{
throw new ValidationException("Invalid AccountNumberFrom");
}
if (String.IsNullOrEmpty(tx.CardSerialTo))
{
throw new ValidationException("Invalid CardSerialNumberTo");
}
if (!String.IsNullOrEmpty(tx.AccountTo))
{
throw new ValidationException("Invalid AccountNumberTo");
}
if (!String.IsNullOrEmpty(tx.CardSerialFrom))
{
throw new ValidationException("Invalid CardSerialNumberFrom");
}
break;
case TransactionType.SendMoneyFromCardToApp:
if (!String.IsNullOrEmpty(tx.AccountFrom))
{
throw new ValidationException("Invalid AccountNumberFrom");
}
if (!String.IsNullOrEmpty(tx.CardSerialTo))
{
throw new ValidationException("Invalid CardSerialNumberTo");
}
if (!Validate.GuidValidation(tx.AccountTo))
{
throw new ValidationException("Invalid AccountNumberTo");
}
if (String.IsNullOrEmpty(tx.CardSerialFrom))
{
throw new ValidationException("Invalid CardSerialNumberFrom");
}
break;
default:
throw new ValidationException("Invalid transaction type: " + tx.TransactionType);
}
TransactionPM tpm = new TransactionPM()
{
Amount = tx.Amount,
TransactionType = tx.TransactionType,
AccountNumberIdFromRef = tx.AccountFrom,
AccountNumberIdToRef = tx.AccountTo,
CardSerialNumberIdFrom = tx.CardSerialFrom,
CardSerialNumberIdTo = tx.CardSerialTo,
CardFromEMVData = tx.CardFromEMVData
};
_transactionRepository.AddCardBasedTransaction(tpm, GetCurrentUserId());
}
