/// <summary>
/// POST: api/Messages
/// Receive a message from a user and reply to it
/// </summary>
public async Task <HttpResponseMessage> Post([FromBody] Activity activity)
{
if (activity.Type == ActivityTypes.Message)
{
LuisInfo luisInfo = await LuisMovieClient.ParseUserInput(activity.Text);
string responseMessage;
if (luisInfo.intents.Count() > 0)
{
//intents[0] is the highest probability of intent.
switch (luisInfo.intents[0].intent)
{
case "GetMovieYear":
if (luisInfo.entities.Count() > 0)
{
responseMessage = await MovieUtilities.GetMovieYear(luisInfo.entities[0].entity);
}
else
{
responseMessage = "Sorry, I don't understand which movie you want.";
}
break;
case "GetMovieDirector":
if (luisInfo.entities.Count() > 0)
{
responseMessage = await MovieUtilities.GetMovieDirector(luisInfo.entities[0].entity);
}
else
{
responseMessage = "Sorry, I don't understand which movie you want.";
}
break;
default:
responseMessage = "Sorry, I don't know how to " + luisInfo.intents[0].intent;
break;
}
}
else
{
responseMessage = "Sorry, I'm not sure what you want.";
}
ConnectorClient connector = new ConnectorClient(new Uri(activity.ServiceUrl));
// return our reply to the user
Activity reply = activity.CreateReply(responseMessage);
await connector.Conversations.ReplyToActivityAsync(reply);
}
else
{
HandleSystemMessage(activity);
}
var response = Request.CreateResponse(HttpStatusCode.OK);
return(response);
}
//A method "ParseUserInput" that will take the user input and parse it using Luis.
public static async Task <LuisInfo> ParseUserInput(string strInput)
{
string strRet = string.Empty;
string strEscaped = Uri.EscapeDataString(strInput);
using (var client = new HttpClient())
{
//URI is copied from our Luis Application.
//Make sure to include "&q" at the end so that what the user types in (strEscaped) will be accepted as a query.
string uri = "https://api.projectoxford.ai/luis/v1/application?id=27eb0729-4391-4880-a04f-dae911162fe1&subscription-key=a0794768387a459da34bab6f49878c1e&q=" + strEscaped;
HttpResponseMessage msg = await client.GetAsync(uri);
if (msg.IsSuccessStatusCode)
{
string jsonResponse = await msg.Content.ReadAsStringAsync();
LuisInfo _Data = JsonConvert.DeserializeObject <LuisInfo>(jsonResponse);
return(_Data);
}
}
return(null);
}
