lambda.py

import json
import boto3
from boto3.dynamodb.conditions import Key

dynamodb = boto3.resource('dynamodb')
table = dynamodb.Table('Dataoria')

def lambda_handler(event, context):
    if event['request']['type'] == "LaunchRequest":
        return on_launch(event)
    elif event['request']['type'] == "IntentRequest":
        return on_intent(event)

def on_launch(event):
    return get_welcome_response()

def on_intent(event):
    intent_name = event['request']['intent']['name']
    
    if intent_name == "AnswerIntent":
        return handle_answer_intent(event)
    else:
        raise ValueError("Invalid intent")

def get_welcome_response():
    session_attributes = {}
    card_title = "Welcome"
    speech_output = "Welcome to Dataoria. Let's start the quiz. Here is your first question."
    reprompt_text = "Please answer the question."
    should_end_session = False

    first_question = get_question(1)
    speech_output += " " + first_question

    return build_response(session_attributes, build_speechlet_response(
        card_title, speech_output, reprompt_text, should_end_session))

def handle_answer_intent(event):
    session_attributes = event['session']['attributes']
    user_answer = event['request']['intent']['slots']['Answer']['value']
    question_number = session_attributes['question_number']
    
    correct_answer = get_answer(question_number)
    
    if user_answer.lower() == correct_answer.lower():
        question_number += 1
        next_question = get_question(question_number)
        speech_output = "Correct! Here is your next question. " + next_question
        session_attributes['question_number'] = question_number
        should_end_session = False
    else:
        speech_output = "Sorry, that's incorrect. Game over."
        should_end_session = True

    return build_response(session_attributes, build_speechlet_response(
        "Answer", speech_output, None, should_end_session))

def get_question(question_number):
    response = table.query(
        KeyConditionExpression=Key('S. No').eq(question_number)
    )
    return response['Items'][0]['Question']

def get_answer(question_number):
    response = table.query(
        KeyConditionExpression=Key('S. No').eq(question_number)
    )
    return response['Items'][0]['Answer']

def build_speechlet_response(title, output, reprompt_text, should_end_session):
    return {
        'outputSpeech': {
            'type': 'PlainText',
            'text': output
        },
        'card': {
            'type': 'Simple',
            'title': title,
            'content': output
        },
        'reprompt': {
            'outputSpeech': {
                'type': 'PlainText',
                'text': reprompt_text
            }
        },
        'shouldEndSession': should_end_session
    }

def build_response(session_attributes, speechlet_response):
    return {
        'version': '1.0',
        'sessionAttributes': session_attributes,
        'response': speechlet_response
    }