public async Task MessageReceivedAsync(IDialogContext Context, IAwaitable <IMessageActivity> Argument)
{
// This task handles all of the message returning. Can be considered the master function for the bot.
var Message = await Argument;
// Post the welcome message when somebody new joins the conversation
if (Message.Type == ActivityTypes.ConversationUpdate)
{
await PostWelcomeMessage(Context, Message);
}
else if (Message.Type == ActivityTypes.Message)
{
// Here we have LUIS interpret the query
LUISRequest Request = new LUISRequest();
await Request.MakeRequest(Message.Text.ToString());
// Now we parse the data to figure out what to search for.
DataParser LUISData = new DataParser(Request.LUISResult);
LUISData.LUISParse();
// Check to see if LUIS understood the query
if (LUISData.LUISParsed.entities.Count == 0)
{
await Context.PostAsync("I'm sorry, I don't understand your message.");
}
else
{
// It is time to search the ISBN database for the information.
SearchISBNdB Search = new SearchISBNdB();
String Results = Search.GetJSONData(LUISData.LUISParsed.topScoringIntent.intent, LUISData.LUISParsed.entities);
// Now parse it to make it readable.
DataParser ISBNData = new DataParser(Results);
ISBNData.DBParse(LUISData.LUISParsed.topScoringIntent.intent);
// Check the intent and post the appropriate card.
TextInfo Info = new CultureInfo("en-US", false).TextInfo;
if (LUISData.LUISParsed.topScoringIntent.intent == LUISConstants.SearchByAuthorForBooks)
{
await PostAuthorCard(Context, LUISData.LUISParsed.entities, ISBNData, Info);
}
else if (LUISData.LUISParsed.topScoringIntent.intent == LUISConstants.SearchByBookForAuthor)
{
await PostBookCard(Context, LUISData.LUISParsed.entities, ISBNData, Info);
}
else if (LUISData.LUISParsed.topScoringIntent.intent == LUISConstants.SearchByBookForSynopsis)
{
await PostSynopsisCard(Context, LUISData.LUISParsed.entities, ISBNData, Info);
}
}
}
Context.Wait(MessageReceivedAsync);
}
public String GetJSONData(String Intent, List<Entity> Entities)
{
String Results = null;
try
{
// To determine what kind of search we need to do, look at the Intent
String ISBNUriStr = string.Empty;
TextInfo Info = new CultureInfo("en-US", false).TextInfo;
if (Intent == LUISConstants.SearchByAuthorForBooks)
{
foreach (var Item in Entities)
{
if (Item.type == LUISConstants.Author)
{
ISBNUriStr = String.Format("https://api.isbndb.com/author/{0}", Info.ToTitleCase(Item.entity));
break;
}
}
}
else if (Intent == LUISConstants.SearchByBookForAuthor || Intent == LUISConstants.SearchByBookForSynopsis)
{
foreach (var Item in Entities)
{
if (Item.type == LUISConstants.Book)
{
ISBNUriStr = String.Format("https://api.isbndb.com/books/{0}", Info.ToTitleCase(Item.entity));
break;
}
}
}
// Format the webrequest for the ISBN database.
Uri Uri = new Uri(ISBNUriStr);
WebRequest Http = WebRequest.Create(Uri);
Http.Method = "GET";
Http.ContentType = "application/json";
Http.Headers["X-API-KEY"] = Keys.ISBNdBAccessKey;
WebResponse Response = Http.GetResponse();
Stream Stream = Response.GetResponseStream();
StreamReader Reader = new StreamReader(Stream);
Results = Reader.ReadToEnd();
// For some unknown reason, when searching for books written by an author, some of the books will have synopsis or overview
// details available, but when a book is searched these details are always absent. So if the intent is SearchByBookForSynopsis
// there must be another database search.
// This seems to be an issue with the database itself, and the way it chooses to return data.
if (Intent == LUISConstants.SearchByBookForSynopsis)
{
// Grab the author of the book.
DataParser Data = new DataParser(Results);
Data.DBParse(Intent);
// Have to do this because the author data can be incomplete on some books.
foreach (var Book in Data.BooksReturned.books)
{
if (Book.authors.Count != 0)
{
ISBNUriStr = String.Format("https://api.isbndb.com/author/{0}", Book.authors[0]);
break;
}
}
// Now do the search for the author.
Uri = new Uri(ISBNUriStr);
Http = WebRequest.Create(Uri);
Http.Method = "GET";
Http.ContentType = "application/json";
Http.Headers["X-API-KEY"] = Keys.ISBNdBAccessKey;
Response = Http.GetResponse();
Stream = Response.GetResponseStream();
Reader = new StreamReader(Stream);
Results = Reader.ReadToEnd();
}
return Results;
}
catch (Exception e) { string exception = e.Message; return exception; }
}
