public async Task Save(NotificationTransaction transaction)
{
if (transaction.Debit > await transactionCalculator.RefundLimit(transaction.NotificationId))
{
throw new InvalidOperationException("Transaction cannot refund more than has already been paid");
}
var balance = await transactionCalculator.Balance(transaction.NotificationId)
- transaction.Credit.GetValueOrDefault()
+ transaction.Debit.GetValueOrDefault();
var transactions = (await transactionRepository.GetTransactions(transaction.NotificationId)).ToList();
transactions.Add(transaction);
var paymentDate = CalculatePaymentReceivedDate(transactions, balance);
await UpdatePaymentReceivedDate(paymentDate, transaction.NotificationId);
transactionRepository.Add(transaction);
}
public async Task <decimal> HandleAsync(GetRefundLimit message)
{
return(await transactionCalculator.RefundLimit(message.NotificationId));
}