public void DespositMoney(WalletId walletId, Money amount)
{
var wallet = _wallets.SingleOrDefault(w => w.WalletId == walletId);
if (wallet == null)
{
throw new WalletNotFoundException($"Wallet {walletId} was not found.");
}
var e = wallet.Deposit(amount);
RaiseEvent(e);
}
public void WithdrawMoney(WalletId walletId, Money amount)
{
var wallet = _wallets.SingleOrDefault(w => w.WalletId == walletId);
if (wallet == null)
{
throw new WalletNotFoundException($"Wallet {walletId} was not found.");
}
if (amount > wallet.Balance)
{
throw new InsufficientFundsException($"Insufficient funds to withdraw {amount}.");
}
var e = wallet.Withdraw(amount);
RaiseEvent(e);
}
public void TransferToWallet(WalletId sourceId, WalletId destinationId, Money amount)
{
var source = _wallets.SingleOrDefault(w => w.WalletId == sourceId);
var destination = _wallets.SingleOrDefault(w => w.WalletId == destinationId);
if (source == null || destination == null)
{
throw new WalletNotFoundException("Could not find one of the specified wallets.");
}
if (source.Balance < amount)
{
throw new InsufficientFundsException("The source wallet does not have enough funds to transfer to the destination.");
}
// This *could* just call WithdrawnMoney and DepositMoney, but I want to separate them
// in order to create an atomic transaction. If it errors before raising the events,
// then the events will not persist.
var withdrawn = source.Withdraw(amount);
var deposited = destination.Deposit(amount);
RaiseEvent(withdrawn);
RaiseEvent(deposited);
}