// handle commands
public static (Event Event, AccountState NewState) Debit
(this AccountState @this, MakeTransfer transfer)
{
DebitedTransfer evt = transfer.ToEvent();
AccountState newState = @this.Apply(evt);
return(evt, newState);
}
// handle commands
public static Validation <(Event Event, AccountState NewState)> Debit
(this AccountState @this, MakeTransfer cmd)
{
if (@this.Status != AccountStatus.Active)
{
return(Errors.AccountNotActive);
}
if (@this.Balance - cmd.Amount < @this.AllowedOverdraft)
{
return(Errors.InsufficientBalance);
}
DebitedTransfer evt = cmd.ToEvent();
AccountState newState = @this.Apply(evt);
return(evt as Event, newState);
}
public Transaction(DebitedTransfer e)
{
this.DebitedAmount = e.DebitedAmount;
Description = $"Transfer to {e.Bic}/{e.Iban}; Ref: {e.Reference}";
Date = e.Timestamp.Date;
}
