Beispiel #1
0
        public static async Task <QueryValueResult> QueryValueFromLuisAsync(
            ILuisService service,
            ILuisAction action,
            string paramName,
            object paramValue,
            CancellationToken token,
            Func <PropertyInfo, IEnumerable <EntityRecommendation>, EntityRecommendation> entityExtractor = null)
        {
            var originalValue = paramValue;

            service.ThrowIfNull(nameof(service));
            action.ThrowIfNull(nameof(action));
            service.ThrowIfNull(nameof(service));
            paramValue.ThrowIfNull(nameof(paramValue));

            if (string.IsNullOrWhiteSpace(paramName))
            {
                throw new ArgumentNullException(nameof(paramName));
            }

            var result = await service.QueryAsync(paramValue.ToString(), token);

            var queryIntent = result.Intents.FirstOrDefault();

            if (!Intents.None.Equals(queryIntent.Intent, StringComparison.InvariantCultureIgnoreCase))
            {
                var newAction = new LuisActionResolver(action.GetType().Assembly).ResolveActionFromLuisIntent(result, out string newIntentName);
                if (newAction != null && !newAction.GetType().Equals(action.GetType()))
                {
                    return(new QueryValueResult(false)
                    {
                        NewAction = newAction,
                        NewIntent = newIntentName
                    });
                }
            }

            var properties = new List <PropertyInfo>
            {
                action.GetType().GetProperty(paramName, BindingFlags.Public | BindingFlags.Instance)
            };

            if (!AssignEntitiesToMembers(action, properties, result.Entities, entityExtractor))
            {
                return(new QueryValueResult(AssignValue(action, properties.First(), originalValue)));
            }

            return(new QueryValueResult(true));
        }