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 AddCardBasedPOSTransaction(string jsonTx, string jsonPosTx) { CardTransferTransaction transaction = CardTransferTransaction.FromJsonString(jsonTx); POSTransaction posDetail = POSTransaction.FromJsonString(jsonPosTx); if (transaction.Amount == 0) { throw new ValidationException("Invalid Amount"); } //TODO: make sure data in EMV matches duplicate data fields in transaction TLV tlv = TLVasJSON.FromJSON(transaction.CardFromEMVData); TLV _9F02 = tlv.Children.Get(EMVTagsEnum.AMOUNT_AUTHORISED_NUMERIC_9F02_KRN.Tag); long emvAmount = FormattingUtils.Formatting.BcdToLong(_9F02.Value); if (transaction.Amount != emvAmount) { throw new ValidationException("Invalid Amount: Card does not match Cryptogram"); } if (TransactionController.VerifyCardSignature(tlv) == null) { throw new ValidationException("Invalid Cryptogram"); } transaction.TransactionType = TransactionType.SendMoneyFromCardToApp; switch (transaction.TransactionType) { case TransactionType.SendMoneyFromCardToApp: if (!String.IsNullOrEmpty(transaction.AccountFrom)) { throw new ValidationException("Invalid AccountNumberFrom"); } if (!String.IsNullOrEmpty(transaction.CardSerialTo)) { throw new ValidationException("Invalid CardSerialNumberTo"); } if (!Validate.GuidValidation(transaction.AccountTo)) { throw new ValidationException("Invalid AccountNumberTo"); } if (String.IsNullOrEmpty(transaction.CardSerialFrom)) { throw new ValidationException("Invalid CardSerialNumberFrom"); } break; default: throw new ValidationException("Invalid transaction type: " + transaction.TransactionType); } if (posDetail.InvItems == null || posDetail.InvItems.Count == 0) { throw new ValidationException("Invalid items"); } TransactionPM txpm = new TransactionPM() { TransactionType = transaction.TransactionType, AccountNumberIdFromRef = transaction.AccountFrom, AccountNumberIdToRef = transaction.AccountTo, CardSerialNumberIdFrom = transaction.CardSerialFrom, CardSerialNumberIdTo = transaction.CardSerialTo, Amount = transaction.Amount, CardFromEMVData = transaction.CardFromEMVData, }; List <POSTransactionItemPM> items = new List <POSTransactionItemPM>(); posDetail.InvItems.ForEach(x => { POSTransactionItemPM tipm = new POSTransactionItemPM() { Amount = x.Amount, Name = x.Name, Quantity = x.Quantity, InventoryItemId = x.InventoryItemId, }; items.Add(tipm); }); POSTransactionPM posTxpm = new POSTransactionPM() { POSTransactionItems = items, }; _posRepository.AddPOSTransaction(txpm, posTxpm, GetCurrentUserId()); }