entry_pre-requisites.py

from __future__ import print_function


# Helps build all of the responses

def build_speechlet_response(title, output, reprompt_text, should_end_session):
    return {
        'outputSpeech': {
            'type': 'PlainText',
            'text': output
        },
        'card': {
            'type': 'Simple',
            'title': "SessionSpeechlet - " + title,
            'content': "SessionSpeechlet - " + 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
    }


# Functions that control the skill's behavior

# Function that triggers when user says Kanka Durga Temple
def get_test_response():
    """ An example of a custom intent. Same structure as welcome message, just make sure to add this intent
    in your alexa skill in order for it to work.
    """
    session_attributes = {}
    card_title = "Test"
    speech_output = "Girls should wear Chunri before entering the temple, Everyone should take out their shoes and belts before entering the temple."
    reprompt_text = "You never responded to the first test message. Sending another one."
    should_end_session = False
    return build_response(session_attributes, build_speechlet_response(
        card_title, speech_output, reprompt_text, should_end_session))

# Function that triggers when user says Kondaveedu Fort
def get_test_two_response():
    """ An example of a custom intent. Same structure as welcome message, just make sure to add this intent
    in your alexa skill in order for it to work.
    """
    session_attributes = {}
    card_title = "Test_two"
    speech_output = "You should have a car before going to the Kondaveedu fort as there is no direct transportation from your location. There are no entry requirements. "
    reprompt_text = "You never responded to the first test message. Sending another one."
    should_end_session = False
    return build_response(session_attributes, build_speechlet_response(
        card_title, speech_output, reprompt_text, should_end_session))

# Function that triggers when user says Bhavani Island
def get_test_three_response():
    """ An example of a custom intent. Same structure as welcome message, just make sure to add this intent
    in your alexa skill in order for it to work.
    """
    session_attributes = {}
    card_title = "Test_three"
    speech_output = "Bhavani Island is the perfect destination for enjoying evening walks amidst the serenity. There are no entry fees as such. To reach the island, you can get a boat from the Bhavani Island Dock, situated at the banks of Krishna river. There is an innumerous no of cottages and resorts on the island with a breathtaking scenic view."
    reprompt_text = "You never responded to the first test message. Sending another one."
    should_end_session = False
    return build_response(session_attributes, build_speechlet_response(
        card_title, speech_output, reprompt_text, should_end_session))

# Function that triggers when user says Prakasam Barrage
def get_test_four_response():
    """ An example of a custom intent. Same structure as welcome message, just make sure to add this intent
    in your alexa skill in order for it to work.
    """
    session_attributes = {}
    card_title = "Test_three"
    speech_output = "Prakasam Barrage is the best place if you are looking for something to visit on a lovely evening. Boating is a go-to option during Daytime and lighting during dusk. The place also has awesome street food."
    reprompt_text = "You never responded to the first test message. Sending another one."
    should_end_session = False
    return build_response(session_attributes, build_speechlet_response(
        card_title, speech_output, reprompt_text, should_end_session))

def get_welcome_response():
    """ If we wanted to initialize the session to have some attributes we could
    add those here
    """
    session_attributes = {}
    card_title = "Welcome"
    speech_output = "Welcome to travel guides."
    # If the user either does not reply to the welcome message or says something
    # that is not understood, they will be prompted again with this text.
    reprompt_text = "I don't know if you heard me, welcome to your custom alexa application!"
    should_end_session = False
    return build_response(session_attributes, build_speechlet_response(
        card_title, speech_output, reprompt_text, should_end_session))


def handle_session_end_request():
    card_title = "Session Ended"
    speech_output = "Thank you for trying the Alexa Skills Kit sample. " \
                    "Have a nice day! "
    # Setting this to true ends the session and exits the skill.
    should_end_session = True
    return build_response({}, build_speechlet_response(
        card_title, speech_output, None, should_end_session))

# Events 

def on_session_started(session_started_request, session):
    """ Called when the session starts.
        One possible use of this function is to initialize specific 
        variables from a previous state stored in an external database
    """
   

    

def on_launch(launch_request, session):
    """ Called when the user launches the skill without specifying what they
    want
    """
    
    return get_welcome_response()


def on_intent(intent_request, session):
    """ Called when the user specifies an intent for this skill """

    intent = intent_request['intent']
    intent_name = intent_request['intent']['name']

    # Dispatch to your skill's intent handlers
    if intent_name == "test":
        return get_test_response()
    elif intent_name=="test_two":
        return get_test_two_response()
    elif intent_name=="test_three":
        return get_test_three_response()
    elif intent_name=="test_four":
        return get_test_four_response()
    elif intent_name == "AMAZON.HelpIntent":
        return get_welcome_response()
    elif intent_name == "AMAZON.CancelIntent" or intent_name == "AMAZON.StopIntent":
        return handle_session_end_request()
    else:
        raise ValueError("Invalid intent")


def on_session_ended(session_ended_request, session):
    """ Called when the user ends the session.
    Is not called when the skill returns should_end_session=true
    """
    print("on_session_ended requestId=" + session_ended_request['requestId'] +
          ", sessionId=" + session['sessionId'])
    # add cleanup logic here


# Main handler 
def lambda_handler(event, context):
    """ Route the incoming request based on type (LaunchRequest, IntentRequest,
    etc.) The JSON body of the request is provided in the event parameter.
    """
    print("Incoming request...")

    """
    Uncomment this if statement and populate with your skill's application ID to
    prevent someone else from configuring a skill that sends requests to this
    function.
    """
    # if (event['session']['application']['applicationId'] !=
    #         "amzn1.echo-sdk-ams.app.[unique-value-here]"):
    #     raise ValueError("Invalid Application ID")

    if event['session']['new']:
        on_session_started({'requestId': event['request']['requestId']},
                           event['session'])

    if event['request']['type'] == "LaunchRequest":
        return on_launch(event['request'], event['session'])
    elif event['request']['type'] == "IntentRequest":
        return on_intent(event['request'], event['session'])
    elif event['request']['type'] == "SessionEndedRequest":
        return on_session_ended(event['request'], event['session'])