private static EventFilter CreateFilter(string?streamFilter, StreamPosition streamPosition)
{
var byPosition = FilterExtensions.ByPosition(streamPosition);
var byStream = FilterExtensions.ByStream(streamFilter);
if (byStream != null)
{
return(Filter.And(byPosition, byStream));
}
return(byPosition);
}
private static PipelineDefinition <ChangeStreamDocument <MongoEventCommit>, ChangeStreamDocument <MongoEventCommit> >?Match(string?streamFilter)
{
var result = new EmptyPipelineDefinition <ChangeStreamDocument <MongoEventCommit> >();
var byStream = FilterExtensions.ByChangeInStream(streamFilter);
if (byStream != null)
{
var filterBuilder = Builders <ChangeStreamDocument <MongoEventCommit> > .Filter;
var filter = filterBuilder.Or(filterBuilder.Ne(x => x.OperationType, ChangeStreamOperationType.Insert), byStream);
return(result.Match(filter));
}
return(result);
}