private TimesTableQuestion GenerateQuestion(int table)
{
Random rnd = new Random();
var multiplier = rnd.Next(1, 13);
var question = new TimesTableQuestion(table, multiplier);
return(question);
}
public override SpeechletResponse OnIntent(IntentRequest intentRequest, Session session)
{
Intent intent = intentRequest.Intent;
string intentName = (intent != null) ? intent.Name : null;
switch (intentName)
{
case "AMAZON.CancelIntent":
log.Info("Cancel Intent detected");
var cancelResponse = "";
if (session.Attributes.ContainsKey(CORRECT_ANSWERS) && session.Attributes.ContainsKey(QUESTIONS_ASKED))
{
var questionsAsked = int.Parse(session.Attributes[QUESTIONS_ASKED]) - 1;
var correctAnswers = int.Parse(session.Attributes[CORRECT_ANSWERS]);
cancelResponse = string.Format("thanks for playing you. scored a total of {0} out of {1}", correctAnswers, questionsAsked);
}
else
{
cancelResponse = "Ok maybe another time";
}
return(BuildSpeechletResponse("Cancel", cancelResponse, true));
case "AMAZON.StopIntent":
log.Info("Stop intent detected");
var stopResponse = "";
if (session.Attributes.ContainsKey(CORRECT_ANSWERS) && session.Attributes.ContainsKey(QUESTIONS_ASKED))
{
var questionsAsked = int.Parse(session.Attributes[QUESTIONS_ASKED]) - 1;
var correctAnswers = int.Parse(session.Attributes[CORRECT_ANSWERS]);
stopResponse = string.Format("thanks for playing. you scored a total of {0} out of {1}", correctAnswers, questionsAsked);
}
else
{
stopResponse = "Ok maybe another time";
}
return(BuildSpeechletResponse("Bye", stopResponse, true));
case "BeginQuiz":
log.Info("BeginQuiz intent detected");
if (intent.Slots.Keys.Contains("TestTable") && !string.IsNullOrEmpty(intent.Slots["TestTable"].Value))
{
var table = intent.Slots["TestTable"].Value;
var question = GenerateQuestion(int.Parse(table));
session.Attributes.Clear();
session.Attributes[SELECTED_TABLE] = question.Table.ToString();
session.Attributes[SELECTED_MULTIPLIER] = question.Multiplier.ToString();
session.Attributes[QUESTIONS_ASKED] = 1.ToString();
session.Attributes[CORRECT_ANSWERS] = 0.ToString();
// TODO keep track of questions asked - and time taken?
return(BuildSpeechletResponse("Begin", string.Format("Testing you on your {0} times table. What is {1} times {2}", table, question.Table, question.Multiplier), false));
}
else
{
return(BuildSpeechletResponse("Begin", "Would you like to play a game?", false));
}
case "GuessNumber":
log.Info("GuessNumber intent detected");
if (intent.Slots.Keys.Contains("Guess") && !string.IsNullOrEmpty(intent.Slots["Guess"].Value))
{
string response = "";
if (session.Attributes.Keys.Contains(SELECTED_TABLE) && session.Attributes.Keys.Contains(SELECTED_MULTIPLIER))
{
// we have a question and a guess
var question = new TimesTableQuestion(int.Parse(session.Attributes[SELECTED_TABLE]), int.Parse(session.Attributes[SELECTED_MULTIPLIER]));
var answer = int.Parse(intent.Slots["Guess"].Value);
var nextQuestion = new TimesTableQuestion(int.Parse(session.Attributes[SELECTED_TABLE]));
session.Attributes[SELECTED_TABLE] = nextQuestion.Table.ToString();
session.Attributes[SELECTED_MULTIPLIER] = nextQuestion.Multiplier.ToString();
var questionsAsked = int.Parse(session.Attributes[QUESTIONS_ASKED]);
var correctAnswers = int.Parse(session.Attributes[CORRECT_ANSWERS]);
if (answer == question.Answer)
{
session.Attributes[CORRECT_ANSWERS] = (++correctAnswers).ToString();
session.Attributes[QUESTIONS_ASKED] = (++questionsAsked).ToString();
response = string.Format("You guessed {0} which is correct, next question is What is {1} times {2}", answer, nextQuestion.Table, nextQuestion.Multiplier);
}
else
{
session.Attributes[QUESTIONS_ASKED] = (++questionsAsked).ToString();
response = string.Format("You guessed {0} which is incorrect, next question is What is {1} times {2}", answer, nextQuestion.Table, nextQuestion.Multiplier);
}
}
session.Attributes.Add("LastGuess", intent.Slots["Guess"].Value);
return(BuildSpeechletResponse("Guess", response, false));
}
else
{
return(BuildSpeechletResponse("Guess", "I didn't quite catch that could you repeat? ", false));
}
default:
log.Info("Not intent found");
throw new SpeechletException("Invalid intent");
}
}