/// <summary>
/// Determines whether an Agent is available or not based on a Presence State change
/// notification.
/// </summary>
/// <param name="notification">presence state change notification associated with an agent</param>
private bool IsAgentAvailable(RemotePresentityNotification notification)
{
bool isAgentAvailable = false;
long availability = notification.AggregatedPresenceState.AvailabilityValue;
_logger.Log("Presence Changed: " + notification.PresentityUri + ": " + availability.ToString());
//return true only if the availability is
return(isAgentAvailable = (availability > (long)PresenceAvailability.Online && availability < (long)PresenceAvailability.Busy));
}
/// <summary>
/// Helper method to convery notification to presence.
/// </summary>
/// <param name="notification">Notification</param>
/// <returns>Presence subscription</returns>
private PresenceInformation ConvertNotificationToPresence(RemotePresentityNotification notification)
{
//after the first notification for a contact, you only get the categories that changed next time
//so after the first notification if presence changes, you only get presence; if name changes you only get contact card
long availability = PresenceInformation.NoChangeInAvailability;
string status = PresenceInformation.NoChange;
string contactName = PresenceInformation.NoChange;
string activityStatus = PresenceInformation.NoChange;
var presence = notification.AggregatedPresenceState;
if (presence != null)
{
//Get availability.
availability = presence.AvailabilityValue;
status = AvailabilityToStatusConverter.Convert(availability);
//Get activity status.
PresenceActivity activity = presence.Activity;
if (activity != null && activity.CustomTokens != null && activity.CustomTokens.Count > 0)
{
//For now just take the first token.
activityStatus = activity.CustomTokens[0].Value ?? PresenceInformation.NoChange;
}
}
var contactCard = notification.ContactCard;
if (contactCard != null)
{
contactName = contactCard.DisplayName;
}
return(new PresenceInformation
{
Availability = availability,
ContactName = contactName,
SipUri = notification.PresentityUri,
Status = status,
ActivityStatus = activityStatus
});
}
