public async Task HandleUnrecognizedIntent(IDialogContext context, LuisResult result)
{
var userData = context.GetUserData();
var detectedLanguage = await MessageTranslator.IdentifyLangAsync(result.Query);
if (!detectedLanguage.Equals(userData.NativeLanguageIsoCode) && !detectedLanguage.Equals(MessageTranslator.DEFAULT_LANGUAGE))
{
context.UserData.SetValue(Constants.Shared.UserLanguageCodeKey, detectedLanguage);
await SwitchLanguage(context, userData, detectedLanguage);
}
else
{
await context.PostTranslatedAsync(BotPersonality.BotResponseUnrecognizedIntent);
await EngageWithUser(context);
}
}
private async Task MessageReceivedAsync(IDialogContext context, IAwaitable <IMessageActivity> result)
{
var userText = context.Activity.From.Name;
try
{
userText = (await result).Text;
}
catch (Exception)
{
// Swallow exception for the demo purpose
// TODO log the exception
}
string detectedLanguageIsoCode = await MessageTranslator.IdentifyLangAsync(userText);
var userData = _userDataRepository.GetUserData(context.Activity.From.Id);
if (userData == null)
{
userData = new UserData();
userData.UserId = context.Activity.From.Id;
userData.NativeLanguageIsoCode = detectedLanguageIsoCode;
}
_userDataRepository.UpdateUserData(userData);
if (MessageTranslator.DEFAULT_LANGUAGE.Equals(detectedLanguageIsoCode))
{
await context.PostAsync(BotPersonality.UserNameQuestion);
// detected it's english language
context.Wait(this.UserNameReceivedAsync);
}
else
{
// detected user language
CultureInfo[] allCultures = CultureInfo.GetCultures(CultureTypes.AllCultures);
CultureInfo detectedCulture =
allCultures
.Where(cultureInfo => (detectedLanguageIsoCode.Contains(cultureInfo.TwoLetterISOLanguageName)))
.FirstOrDefault();
string detectedLanguageName = CultureInfo.GetCultureInfo(MessageTranslator.DEFAULT_LANGUAGE).DisplayName;
if (detectedCulture != null)
{
detectedLanguageName = detectedCulture.DisplayName;
}
string translatedSwitchQuestion = await MessageTranslator.TranslateTextAsync($"Do you want to switch to {detectedLanguageName}", detectedLanguageIsoCode);
string translatedDontUnderstand = await MessageTranslator.TranslateTextAsync(Shared.DoNotUnderstand, detectedLanguageIsoCode);
PromptDialog.Choice(
context,
this.AfterChoosingLanguageSwitch,
await MessageTranslator.TranslatedChoices(YesNoChoices, detectedLanguageIsoCode),
translatedSwitchQuestion,
translatedDontUnderstand,
attempts: Shared.MaxAttempt
);
}
}
