private static SAEventConversionFacts BuildVisitEventGroupFromEventsList(long sessionTimeoutThreshold, long endOfDelta, List <UETEvent> uetEvents, int maxEventsPerVisit, int maxVisitsPerIPTag)
{
var factObject = new SAEventConversionFacts {
Visits = new List <Visit>()
};
long prevDateTime = 0;
string prevReferrer = string.Empty;
foreach (var uetEvent in uetEvents)
{
if (!VisitizationUtils.AreEventGroupsInTheSameVisit(uetEvent, prevDateTime, prevReferrer, sessionTimeoutThreshold))
{
// Not the same group, Create a new Visit and add this event to be the first one.
if (factObject.Visits.Count == maxVisitsPerIPTag)
{
// Visits within the IPTag already reach the limit, we should break and stop adding new Visits.
break;
}
// Create a new Visit and add it to the Visits list
var visitId = VisitizationUtils.GenerateVisitId(
uetEvent.ANID == null ? null : (Guid?)uetEvent.ANID.ToSystemGuid(),
uetEvent.MUID == null ? null : (Guid?)uetEvent.MUID.ToSystemGuid(),
uetEvent.EventDateTime,
uetEvent.ReferrerURL);
var newVisit = InitializeNewVisit(visitId, uetEvent.EventDateTime, sessionTimeoutThreshold, endOfDelta);
newVisit.Events.Add(uetEvent);
factObject.Visits.Add(newVisit);
}
else
{
// Add the event to the last Visit in the Visits list
var lastVisit = factObject.Visits[factObject.Visits.Count - 1];
if (lastVisit.Events.Count < maxEventsPerVisit)
{
lastVisit.Events.Add(uetEvent);
}
}
prevDateTime = uetEvent.EventDateTime;
prevReferrer = uetEvent.ReferrerURL;
}
return(factObject);
}
