public ResponseModel <List <TransactionsModel> > CreateTransaction(TransactionsModel model) { if (_dateTimeHelper.GetDateTimeNow() < model.TransactionDate) { return(FailResponse(1, "TransactionDate cannot be greater than the current date")); } if (model.Amount == 0) { return(FailResponse(2, "Amount cannot be 0")); } var accountActive = _accountsRepo.IsAccountActive(model.AccountCode); if (!accountActive) { return(FailResponse(3, "Cannot post transactions to a closed account")); } _accountsRepo.AdjustAccountBalance(model.AccountCode, model.Amount); return(_repo.CreateTransaction(model)); }