private void Apply(WithdrewMoney e)
{
var walletId = new WalletId(e.EntityId);
var wallet = _wallets.Single(w => w.WalletId == walletId);
wallet.Apply(e);
}
internal void Apply(WithdrewMoney e)
{
var amount = new Money(e.Amount);
Balance = Balance.Subtract(amount);
Console.WriteLine($"Wallet {Id} balance is now {Balance}");
}
public void Setup()
{
var fixture = new Fixture();
_withdrewMoney = fixture.Build <WithdrewMoney>()
.Create();
_wallet = fixture.Build <Wallet>()
.Create();
_user = fixture.Build <User>()
.Create();
_target = new WithdrewMoneyEventHandler(_walletRepositoryMock.Object, _accountHistoryRepositoryMock.Object, _userRepositoryMock.Object);
}
public void Withdraw(Money amount, Currency currency = null)
{
if (amount.Value < 0)
{
throw new InvalidOperationException("Cannot withdraw an amount less than or equal to zero.");
}
decimal preCalculatedBalance = Balance.Value - amount.Value;
preCalculatedBalance.Must(x => x >= 0, ex: new InsufficientFundsException(ExceptionMessage.InsufficientFundsExceptionMessage));
Balance = Balance.Subtract(amount);
var withdrawMoney = new WithdrewMoney
{
EntityId = Id,
Amount = amount.Value,
UserId = UserId,
Currency = currency
};
AddDomainEvent(withdrawMoney);
}
