/// <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;
}
}
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);
}
/// <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 OnInAppSignalEventDetected(ConversationalAgentSession sender, ConversationalAgentSignalDetectedEventArgs args)
{
// KwsPerformanceLogger.kwsEventFireTime = DateTime.Now.Ticks;
// this.kwsPerformanceLogger.LogSignalReceived("1", true, DateTime.Now.Ticks, startTime, endTime);
this.logger.Log(LogMessageLevel.SignalDetection, $"'{sender.Signal.SignalName}' signal detected in session event handler");
this.SignalDetected?.Invoke(this, DetectionOrigin.FromApplicationObject);
}
/// <summary>
/// Ensures that calling Dispose resets the session to its initial state regardless of the current state
/// </summary>
private async Task DisposingResetsToInactiveStateFromAnyState()
{
foreach (ConversationalAgentState state in
new List <ConversationalAgentState>(new ConversationalAgentState[]
{
ConversationalAgentState.Detecting,
ConversationalAgentState.Inactive,
ConversationalAgentState.Listening,
//ConversationalAgentState.ListeningAndSpeaking,
ConversationalAgentState.Speaking,
ConversationalAgentState.Working
}))
{
await ValidStateTransition(state);
agentSession.Dispose();
// todo: trigger activation and verify that only the background signal is fired
agentSession = await ConversationalAgentSession.GetCurrentSessionAsync();
SessionStartedProperly();
}
}
private void OnInAppSignalEventDetected(ConversationalAgentSession sender, ConversationalAgentSignalDetectedEventArgs args)
{
this.logger.Log($"'{sender.Signal.SignalName}' signal detected in session event handler");
this.SignalDetected?.Invoke(this, DetectionOrigin.FromApplicationObject);
}
/// <summary>
/// Initializes a new instance of the <see cref="AgentSessionWrapper"/> class.
/// </summary>
/// <param name="session">Session this instance wraps.</param>
public AgentSessionWrapper(ConversationalAgentSession session)
{
this.session = session;
Contract.Assert(session != null);
}
public async Task TestMethodSetup()
{
agentSession = await ConversationalAgentSession.GetCurrentSessionAsync();
}