public async ValueTask <GeneralLedger> Get(CancellationToken cancellationToken = default)
{
var optional = await _inner.GetOptional(GeneralLedger.Identifier, cancellationToken);
if (optional.HasValue)
{
return(optional.Value);
}
var generalLedger = GeneralLedger.Factory();
_inner.Add(generalLedger);
return(generalLedger);
}
public async ValueTask <GeneralLedger> Get(CancellationToken cancellationToken = default)
{
if (_unitOfWork.TryGet(GeneralLedger.Identifier, out var a) && a is GeneralLedger generalLedger)
{
return(generalLedger);
}
await using var events = _eventStore.ReadStreamAsync(Direction.Backwards,
GeneralLedger.Identifier, StreamPosition.End, int.MaxValue, cancellationToken: cancellationToken);
generalLedger = GeneralLedger.Factory();
var stack = new Stack <object>();
bool lastEventRead = false;
StreamPosition streamPosition = default;
await foreach (var resolvedEvent in events)
{
if (!lastEventRead)
{
streamPosition = resolvedEvent.OriginalEvent.EventNumber;
lastEventRead = true;
}
var @event = JsonSerializer.Deserialize(resolvedEvent.OriginalEvent.Data.Span,
_messageTypeMapper.Map(resolvedEvent.OriginalEvent.EventType),
TransactoSerializerOptions.Events);
stack.Push(@event);
if (@event is GeneralLedgerOpened || @event is AccountingPeriodClosed)
{
break;
}
}
generalLedger.LoadFromHistory(stack);
_unitOfWork.Attach(GeneralLedger.Identifier, generalLedger, streamPosition.ToInt64());
return(generalLedger);
}