protected virtual PipelineDefinition <TInput, Subscriber <ObjectId> > AddSubscribersProjectionAndLimitStage <TInput>(
PipelineDefinition <TInput, BsonDocument> pipeline, SubscribersRangeParameters <ObjectId> subscribersRange)
{
var projection = Builders <TDeliveryType> .Projection
.Exclude(x => x.SubscriberDeliveryTypeSettingsId)
.Include(x => x.SubscriberId)
.Include(x => x.DeliveryType)
.Include(x => x.Address)
.Include(x => x.TimeZoneId)
.Include(x => x.Language);
var pipelineTyped = pipeline
.As <TInput, BsonDocument, TDeliveryType>()
.Project(projection)
.As <TInput, BsonDocument, Subscriber <ObjectId> >();
if (subscribersRange.Limit != null)
{
pipelineTyped = pipelineTyped.Limit(subscribersRange.Limit.Value);
}
return(pipelineTyped);
}