private async Task HandleSubscriptionAsync(ISubscriptionPayment payment, IBalanceHolder senderBalanceHolder)
{
var senderBalance = senderBalanceHolder.Balance;
using var transaction = _unitOfWork.BeginTransaction();
senderBalance.PersonalFunds -= payment.Amount;
transaction.Update(senderBalance);
await transaction.InsertAsync(new BalanceTransaction(TransactionType.Withdrawal, senderBalance.Id,
payment.Amount, payment.Description));
}
private async Task HandleTransferAsync(ITransferPayment payment, IBalanceHolder senderBalanceHolder, IBalanceHolder recipientBalanceHolder)
{
var senderBalance = senderBalanceHolder.Balance;
var recipientBalance = recipientBalanceHolder.Balance;
using var transaction = _unitOfWork.BeginTransaction();
senderBalance.PersonalFunds -= payment.Amount;
recipientBalance.PersonalFunds += payment.Amount;
transaction.Update(senderBalance);
transaction.Update(recipientBalance);
await transaction.InsertAsync(new BalanceTransaction(TransactionType.Withdrawal, senderBalance.Id,
payment.Amount, payment.Description));
await transaction.InsertAsync(new BalanceTransaction(TransactionType.Refill, recipientBalance.Id,
payment.Amount, payment.Description));
}