public IEnumerable <RecognizeEntity <T> > RecognizeChoices <T>(IMessageActivity message, IReadOnlyDictionary <T, IReadOnlyList <T> > choicesDictionary, IPromptRecognizeChoicesOptions options = null)
{
var entities = new List <RecognizeEntity <T> >();
var index = 0;
foreach (var choices in choicesDictionary)
{
var values = choices.Value?.ToList() ?? new List <T>();
var excludeValue = options?.ExcludeValue ?? false;
if (!excludeValue)
{
values.Add(choices.Key);
}
var match = RecognizeValues(message, values, options).MaxBy(x => x.Score);
if (match != null)
{
entities.Add(new RecognizeEntity <T>
{
Entity = choices.Key,
Score = match.Score
});
}
index++;
}
return(entities);
}
private static IEnumerable <RecognizeEntity <T> > RecognizeValues <T>(IMessageActivity message, IEnumerable <T> values, IPromptRecognizeChoicesOptions options = null)
{
var utterance = message?.Text?.Trim().ToLowerInvariant() ?? string.Empty;
var entities = new List <RecognizeEntity <T> >();
IList <string> tokens = new List <string>();
foreach (Match match in simpleTokenizer.Matches(utterance))
{
tokens.Add(match.Value);
}
var maxDistance = options?.MaxTokenDistance ?? 2;
var index = 0;
foreach (var value in values)
{
var text = value?.ToString().Trim().ToLowerInvariant();
var topScore = 0.0;
IList <string> vTokens = new List <string>();
foreach (Match match in simpleTokenizer.Matches(text))
{
vTokens.Add(match.Value);
}
for (int i = 0; i < tokens.Count; i++)
{
var score = MatchValue(tokens.ToArray(), vTokens.ToArray(), i, maxDistance, options?.AllowPartialMatches ?? false);
if (topScore < score)
{
topScore = score;
}
}
if (topScore > 0.0)
{
entities.Add(new RecognizeEntity <T>
{
Entity = value,
Score = topScore
});
}
index++;
}
return(entities);
}
public IEnumerable <RecognizeEntity <string> > RecognizeLocalizedChoices(IMessageActivity message, string choicesKey, ResourceManager resourceManager, IPromptRecognizeChoicesOptions options = null)
{
var locale = message?.Locale ?? string.Empty;
LocalizedDictionary <ChoicesDictionary> cachedLocalizedChoices;
if (!choicesCache.TryGetValue(choicesKey, out cachedLocalizedChoices))
{
var localizedChoices = new LocalizedDictionary <ChoicesDictionary>();
cachedLocalizedChoices = choicesCache.GetOrAdd(choicesKey, localizedChoices);
}
ChoicesDictionary cachedChoices;
if (!cachedLocalizedChoices.TryGetValue(locale, out cachedChoices))
{
var choicesArray = GetLocalizedResource(choicesKey, locale, resourceManager).Split('|');
var choices = ConvertToChoices(choicesArray);
cachedChoices = cachedLocalizedChoices.GetOrAdd(locale, choices);
}
return(RecognizeChoices(message, cachedChoices, options));
}
