private async Task InsertEmptyDomainEventIfStreamIsEmpty(string streamName)
{
_logger.LogDebug("InsertEmptyDomainEventIfStreamIsEmpty {StreamName}", streamName);
var empty = await _connectionProvider.IsStreamEmptyAsync(streamName).ConfigureAwait(false);
if (empty)
{
_logger.LogDebug("Stream is Empty {StreamName}", streamName);
var events = new[] { DomainEventExtensions.ToEventData(new EmptyDomainEvent(), null) };
var name = streamName; // $"{aggregateName}-empty";
//wenn es eine category stream ist, dann den basis stream finden und eine neue gruppe -empty erzeugen
if (streamName.Contains("$ce-"))
{
name = $"{streamName.Replace("$ce-", string.Empty)}-empty";
}
_logger.LogDebug("InsertEmptyEvent: StreamName {StreamName}", name);
//var con = await _connectionProvider.GetActiveConnection().ConfigureAwait(false);
var con = _connectionProvider.GetActiveConnection();
await con.AppendToStreamAsync(name, -1, events, _connectionProvider.OpsCredentials).ConfigureAwait(false);
}
else
{
_logger.LogDebug("Stream is not Empty {StreamName}", streamName);
}
}
public void ImportEvent(ImportEvent command)
{
try
{
var succesEvent = new EventImported();
var bridgeEvent = Mapper.Map <Event>(command);
var pairsDictionary = new Dictionary <int, Pair>();
command.Pairs.Each(pairMetadata =>
{
var pair = Mapper.Map <Pair>(pairMetadata);
pairsDictionary.Add(pairMetadata.PairId, pair);
bridgeEvent.Pairs.Add(pair);
});
command.Deals.Each(dealMetadata =>
{
var deal = Mapper.Map <Deal>(dealMetadata);
dealMetadata.DealResults.Each(duplicateDealMetadata =>
{
var duplicateDeal = Mapper.Map <DuplicateDeal>(duplicateDealMetadata);
duplicateDeal.EWPair = pairsDictionary[duplicateDealMetadata.EWPairIndex];
duplicateDeal.NSPair = pairsDictionary[duplicateDealMetadata.NSPairIndex];
deal.DuplicateDeals.Add(duplicateDeal);
});
bridgeEvent.Deals.Add(deal);
});
bridgeEvent.IsImported = true;
_context.Events.Add(bridgeEvent);
_context.SaveChanges();
DomainEventExtensions.PrepareSuccessfulEvent(succesEvent, command);
succesEvent.EventId = bridgeEvent.Id;
succesEvent.DealIds = bridgeEvent.Deals.Select(c => c.Id).ToArray();
succesEvent.PairIds = bridgeEvent.Pairs.Select(c => c.Id).ToArray();
DomainEvents.Add(succesEvent);
}
catch (Exception ex)
{
var errorEvent = Mapper.Map <ImportEventAttempted>(command);
DomainEventExtensions.PrepareAttemptedEvent(errorEvent, ex, command);
DomainEvents.Add(errorEvent);
}
}
