/// <summary>
/// It's not required, but for optimization purposes it's acceptable to cache the ConversationalAgentSession
/// for the lifetime of the app and use it across background/foreground invocations.
/// </summary>
/// <returns>Cached Conversation session state.</returns>
public async Task <IAgentSessionWrapper> GetSessionAsync()
{
await this.cachedSessionSemaphore.WaitAsync().ConfigureAwait(false);
try
{
if (this.cachedAgentSession == null)
{
this.cachedAgentSession = new AgentSessionWrapper(await ConversationalAgentSession.GetCurrentSessionAsync());
this.cachedAgentSession.InitializeHandlers();
this.cachedAgentSession.SignalDetected += this.OnInAppSignalEventDetected;
// When the app changes lock state, close the application to prevent duplicates running at once.
this.cachedAgentSession.SystemStateChanged += (s, e) =>
{
if (e.SystemStateChangeType == ConversationalAgentSystemStateChangeType.UserAuthentication)
{
WindowService.CloseWindow();
}
};
}
}
catch (Exception ex)
{
this.logger.Log(LogMessageLevel.Error, $"Unable to configure a ConversationalAgentSession. Please check your registration with the MVA platform.\r\n{ex.Message}");
}
finally
{
this.cachedSessionSemaphore.Release();
}
return(this.cachedAgentSession);
}
private void OnSignalRejected(DetectionOrigin origin)
{
if (!this.HasReachedForeground)
{
this.logger.Log($"Exiting application forcibly.");
WindowService.CloseWindow();
}
}
private void OnSignalRejected(DetectionOrigin origin)
{
if (!this.HasReachedForeground)
{
this.logger.Log(LogMessageLevel.ConversationalAgentSignal, $"Exiting application forcibly.");
WindowService.CloseWindow();
}
}