void PollChat(WebChat webChat)
{
if (webChat.State == ChatState.Disconnected)
{
Disconnect(webChat, ChatServices.DisconnectReason.UserDisconnect);
return;
}
if (webChat.State == ChatState.Paused || (ChatController.KeepQueuedChatsAlive && webChat.State == ChatState.Queued && webChat.IsMinimized))
{
if (webChat.DatePaused.HasValue)
{
var elapsed = DateTime.Now.Subtract(webChat.DatePaused.Value);
var elapsedSeconds = Convert.ToInt32(elapsed.TotalSeconds);
var continueChatTimeout = ChatController.ContinueChatTimeout();
if (elapsedSeconds > continueChatTimeout)
{
LoggingService.GetInstance().LogNote(String.Format("Continue Chat timed out for connection: {0}", webChat.ConnectionId));
Disconnect(webChat, ChatServices.DisconnectReason.ContinueChatTimeout);
return;
}
}
}
if ((webChat.State == ChatState.Connected || webChat.State == ChatState.Paused) && ChatController.EnableInactivityTimeout() && webChat.DateAnswered.HasValue)
{
if (ChatController.InactivityTimeout() > 0)
{
var inactiveTimeout = ChatController.InactivityTimeout();
var lastAgent = webChat.Messages.OrderBy(m => m.Order).LastOrDefault(m => m.Direction == "in" && !m.Name.Equals("System", StringComparison.OrdinalIgnoreCase));
var lastUser = webChat.Messages.OrderBy(m => m.Order).LastOrDefault(m => m.Direction == "out" && !m.Name.Equals("System", StringComparison.OrdinalIgnoreCase));
var now = DateTime.Now;
var last = now;
if (lastAgent != null && lastUser != null)
{
if (ChatController.EnableInactivityResetOnAgentMessage())
{
last = lastAgent.DateSent > lastUser.DateSent ? lastAgent.DateSent : lastUser.DateSent;
}
else
{
last = lastUser.DateSent;
}
}
else if (lastAgent != null)
{
last = lastAgent.DateSent;
}
if (last != now)
{
var elapsed = now.Subtract(last);
var elapsedSeconds = Convert.ToInt32(elapsed.TotalSeconds);
if (elapsedSeconds > inactiveTimeout)
{
LoggingService.GetInstance().LogNote(String.Format("Inactivity Time Out Occurred: {0}", webChat.ConnectionId));
Disconnect(webChat, ChatServices.DisconnectReason.InactivityTimeout);
return;
}
}
}
}
ChatServices.PollEvents(webChat.ParticipantId, webChat.ConnectionId, webChat.SessionId);
}