/// <summary>
/// Returns an AnalyticsItem from an xml node
/// </summary>
/// <param name="node">
/// xml node
/// </param>
/// <returns>
/// an instance of an AnalyticsItem class
/// </returns>
/// TODO - should be deprecated. Keep for backward compatibility for now
public static AnalyticsItem Parse(XElement node)
{
try
{
var item = new AnalyticsItem
{
Date = node.GetAttributeValue(AttributeNameDate, DateTime.MinValue),
Action = node.GetAttributeValue(AttributeNameAction, string.Empty),
ClientId = node.GetAttributeValue(AttributeNameClientId, string.Empty),
ReferrerClientId = node.GetAttributeValue(AttributeNameReferrerClientId, string.Empty),
ClientAppType = node.GetAttributeValue(AttributeNameClientAppType, string.Empty),
Flights = Utils.ToList(node.GetAttributeValue(AttributeNameFlights, string.Empty)),
SessionId = node.GetAttributeValue(AttributeNameSessionId, string.Empty),
EventId = node.GetAttributeValue(AttributeNameTrackingId, Guid.Empty),
ParentEventId = node.GetAttributeValue(AttributeNameCorrelationId, Guid.Empty),
DealId = node.GetAttributeValue(AttributeNameDealId, Guid.Empty),
UserId = node.GetAttributeValue(AttributeNameUserId, string.Empty),
AdditionalUserIds = Utils.ToList(node.GetAttributeValue(AttributeNameAdditionalUserIds, string.Empty)),
Milliseconds = node.GetAttributeValue(AttributeNameMilliseconds, 0),
DataCenter = node.GetAttributeValue(AttributeNameDataCenter, string.Empty)
};
if (node.FirstNode != null)
{
item.Payload = node.FirstNode.ToString();
}
return(item);
}
catch
{
Log.Error("invalid analytics item found in the queue");
return(null);
}
}
/// <summary>
/// Copies the item to this instance
/// </summary>
/// <param name="item">
/// analytics item
/// </param>
public void ReadFrom(AnalyticsItem item)
{
string flightsStr = string.Empty;
string additionalUserIdsStr = string.Empty;
if (item.Flights != null)
{
HashSet <string> uniqueFlights = new HashSet <string>(item.Flights);
var orderedFlights = uniqueFlights.OrderBy(elem => elem); // Make flights list deterministic
flightsStr = string.Join(",", orderedFlights);
}
if (item.AdditionalUserIds != null)
{
HashSet <string> uniqueUserIds = new HashSet <string>(item.AdditionalUserIds);
var orderedUserIds = uniqueUserIds.OrderBy(elem => elem); // Make additional user ids list deterministic
additionalUserIdsStr = string.Join(",", orderedUserIds);
}
this.Action = item.Action;
this.Date = item.Date;
this.DealId = item.DealId;
this.UserId = item.UserId;
this.AdditionalUserIds = additionalUserIdsStr;
this.SessionId = item.SessionId;
this.TrackingId = item.EventId;
this.CorrelationId = item.ParentEventId;
this.ClientId = item.ClientId;
this.ReferrerClientId = item.ReferrerClientId;
this.ClientAppType = item.ClientAppType;
this.Flights = flightsStr;
this.Milliseconds = item.Milliseconds;
this.DataCenter = item.DataCenter;
if (item.JPayload != null)
{
this.Payload = JsonConvert.SerializeObject(item.JPayload);
}
else
{
//Backward compatibility
this.Payload = item.Payload;
}
}
/// <summary>
/// Adds a new item to the analytics client
/// </summary>
/// <param name="analyticsItem">
/// </param>
public void Add(AnalyticsItem analyticsItem)
{
if (QueueUploaderEnabled)
{
if (this.localQueue.Count < MaxQueuedItems)
{
this.localQueue.Enqueue(analyticsItem);
this.resetEvent.Set();
}
else
{
if (!maxQueueErrorEventStopwatch.IsRunning || this.maxQueueErrorEventStopwatch.Elapsed > TimeSpan.FromMinutes(1))
{
// items won't be counted
// log critical error
Log.Error("Local analytics queue (memory) contains {0} items.", this.localQueue.Count);
maxQueueErrorEventStopwatch.Restart();
}
}
}
}