public void Apply(DomainEvents.PostTransaction e)
{
var acct = Accounts.Find(a => a.AccountNumber.Equals(e.AccountNumber));
decimal newBalance = acct.Balance + e.Amount;
if (acct != null)
{
acct.Balance = newBalance;
}
}
public bool CanApply(DomainEvents.PostTransaction @event)
{
var acct = Accounts.Find(a => a.AccountNumber.Equals(@event.AccountNumber));
if (acct == null)
{
throw new DomainValidationException($"Invalid Account {@event.AccountNumber}.");
}
decimal newBalance = acct.Balance + @event.Amount;
if (acct.Balance >= 0 && newBalance < 0)
{
throw new DomainValidationException("Insufficient funds.");
}
return(true);
}