public Transaction TransferMoney(decimal sum, string from, string to)
{
var cardFrom = GetCard(from);
var cardTo = GetCard(to);
_businessLogicService.ValidateTransfer(cardFrom, cardTo, sum);
var fromTransaction = new Transaction
{
Card = cardFrom,
CardFromNumber = cardFrom.CardNumber,
CardToNumber = cardTo.CardNumber,
Sum = sum
};
var toTransaction = new Transaction
{
Card = cardTo,
DateTime = fromTransaction.DateTime,
CardFromNumber = cardFrom.CardNumber,
CardToNumber = cardTo.CardNumber,
Sum = _businessLogicService.GetConvertSum(sum, cardFrom.Currency, cardTo.Currency)
};
_transactionRepository.Add(fromTransaction);
_transactionRepository.Add(toTransaction);
_transactionRepository.Save();
return(fromTransaction);
}