private async Task InterruptDialogAsync()

in templates/csharp/VA/VA/Dialogs/MainDialog.cs [204:325]


        private async Task<bool> InterruptDialogAsync(DialogContext innerDc, CancellationToken cancellationToken)
        {
            var interrupted = false;
            var activity = innerDc.Context.Activity;
            var userProfile = await _userProfileState.GetAsync(innerDc.Context, () => new UserProfileState(), cancellationToken);
            var dialog = innerDc.ActiveDialog?.Id != null ? innerDc.FindDialog(innerDc.ActiveDialog?.Id) : null;

            if (activity.Type == ActivityTypes.Message && !string.IsNullOrEmpty(activity.Text))
            {
                // Check if the active dialog is a skill for conditional interruption.
                var isSkill = dialog is SkillDialog;

                // Get Dispatch LUIS result from turn state.
                var dispatchResult = innerDc.Context.TurnState.Get<DispatchLuis>(StateProperties.DispatchResult);
                (var dispatchIntent, var dispatchScore) = dispatchResult.TopIntent();

                // Check if we need to switch skills.
                if (isSkill && IsSkillIntent(dispatchIntent) && dispatchIntent.ToString() != dialog.Id && dispatchScore > 0.9)
                {
                    if (_skillsConfig.Skills.TryGetValue(dispatchIntent.ToString(), out var identifiedSkill))
                    {
                        var prompt = _templateManager.GenerateActivityForLocale("SkillSwitchPrompt", new { Skill = identifiedSkill.Name });
                        await innerDc.BeginDialogAsync(_switchSkillDialog.Id, new SwitchSkillDialogOptions(prompt, identifiedSkill), cancellationToken);
                        interrupted = true;
                    }
                    else
                    {
                        throw new ArgumentException($"{dispatchIntent.ToString()} is not in the skills configuration");
                    }
                }

                if (dispatchIntent == DispatchLuis.Intent.l_General)
                {
                    // Get connected LUIS result from turn state.
                    var generalResult = innerDc.Context.TurnState.Get<GeneralLuis>(StateProperties.GeneralResult);
                    (var generalIntent, var generalScore) = generalResult.TopIntent();

                    if (generalScore > 0.5)
                    {
                        switch (generalIntent)
                        {
                            case GeneralLuis.Intent.Cancel:
                                {
                                    await innerDc.Context.SendActivityAsync(_templateManager.GenerateActivityForLocale("CancelledMessage", userProfile), cancellationToken);
                                    await innerDc.CancelAllDialogsAsync(cancellationToken);
                                    await innerDc.BeginDialogAsync(InitialDialogId, cancellationToken: cancellationToken);
                                    interrupted = true;
                                    break;
                                }

                            case GeneralLuis.Intent.Escalate:
                                {
                                    await innerDc.Context.SendActivityAsync(_templateManager.GenerateActivityForLocale("EscalateMessage", userProfile), cancellationToken);
                                    await innerDc.RepromptDialogAsync(cancellationToken);
                                    interrupted = true;
                                    break;
                                }

                            case GeneralLuis.Intent.Help:
                                {
                                    if (!isSkill)
                                    {
                                        // If current dialog is a skill, allow it to handle its own help intent.
                                        await innerDc.Context.SendActivityAsync(_templateManager.GenerateActivityForLocale("HelpCard", userProfile), cancellationToken);
                                        await innerDc.RepromptDialogAsync(cancellationToken);
                                        interrupted = true;
                                    }

                                    break;
                                }

                            case GeneralLuis.Intent.Logout:
                                {
                                    // Log user out of all accounts.
                                    await LogUserOutAsync(innerDc, cancellationToken);

                                    await innerDc.Context.SendActivityAsync(_templateManager.GenerateActivityForLocale("LogoutMessage", userProfile), cancellationToken);
                                    await innerDc.CancelAllDialogsAsync(cancellationToken);
                                    await innerDc.BeginDialogAsync(InitialDialogId, cancellationToken: cancellationToken);
                                    interrupted = true;
                                    break;
                                }

                            case GeneralLuis.Intent.Repeat:
                                {
                                    // Sends the activities since the last user message again.
                                    var previousResponse = await _previousResponseAccessor.GetAsync(innerDc.Context, () => new List<Activity>(), cancellationToken);

                                    foreach (var response in previousResponse)
                                    {
                                        // Reset id of original activity so it can be processed by the channel.
                                        response.Id = string.Empty;
                                        await innerDc.Context.SendActivityAsync(response, cancellationToken);
                                    }

                                    interrupted = true;
                                    break;
                                }

                            case GeneralLuis.Intent.StartOver:
                                {
                                    await innerDc.Context.SendActivityAsync(_templateManager.GenerateActivityForLocale("StartOverMessage", userProfile), cancellationToken);

                                    // Cancel all dialogs on the stack.
                                    await innerDc.CancelAllDialogsAsync(cancellationToken);
                                    await innerDc.BeginDialogAsync(InitialDialogId, cancellationToken: cancellationToken);
                                    interrupted = true;
                                    break;
                                }

                            case GeneralLuis.Intent.Stop:
                                {
                                    // Use this intent to send an event to your device that can turn off the microphone in speech scenarios.
                                    break;
                                }
                        }
                    }
                }
            }

            return interrupted;
        }