/*
* 1. use LUIS API to convert string to data object
* 2. parser and build response stastus for receiver
*/
public async Task <string> InvokeAPI(string keyword)
{
using (HttpClient client = new HttpClient())
{
string encoding = WebUtility.UrlEncode(keyword);
string queryString = $"{API_URL}{encoding}";
client.DefaultRequestHeaders.AcceptEncoding.Add(new System.Net.Http.Headers.StringWithQualityHeaderValue("utf-8"));
string response = await client.GetStringAsync(queryString);
LuisResultData jsonResult = JsonConvert.DeserializeObject <LuisResultData>(response);
return(BuildQueryResult(keyword, jsonResult));
}
}
private string BuildQueryResult(string query, LuisResultData lineData)
{
var topIntent = lineData.TopScoringIntent;
var entities = lineData.Entities;
StringBuilder builder = new StringBuilder();
builder.AppendLine($"query: {query}");
builder.AppendLine($"intent: {topIntent.Intent}, score: {topIntent.Score}");
foreach (var item in entities)
{
builder.AppendLine($"entity: {item.entity}, index: {item.StartIndex},{item.EndIndex}, type: {item.Type}, score: {item.Score}");
}
return(builder.ToString());
}