def get_number(intent_request):
"""
Performs dialog management and fulfillment for getting phone number.
Beyond fulfillment, the implementation of this intent demonstrates the use of the elicitSlot dialog action
in slot validation and re-prompting.
"""
login_id = response.get_slots(intent_request)["loginId"]
source = intent_request['invocationSource']
if source == 'DialogCodeHook':
# Perform basic validation on the supplied input slots.
# Use the elicitSlot dialog action to re-prompt for the first violation detected.
slots = response.get_slots(intent_request)
validation_result = validate_idnum(login_id)
if not validation_result['isValid']:
slots[validation_result['violatedSlot']] = None
return response.elicit_slot(
intent_request['sessionAttributes'],
intent_request['currentIntent']['name'], slots,
validation_result['violatedSlot'],
validation_result['message'])
# Pass the price of the flowers back through session attributes to be used in various prompts defined
# on the bot model.
output_session_attributes = intent_request[
'sessionAttributes'] if intent_request[
'sessionAttributes'] is not None else {}
if login_id is not None:
global key_id
val = db_handler(login_id)
if val > 0:
key_id = str(login_id)
stateof = 'logged in'
else:
stateof = 'no such account'
val = 'not logged in'
output_session_attributes[
'Number'] = stateof # Elegant pricing model
return response.delegate(output_session_attributes,
response.get_slots(intent_request))
# Order the flowers, and rely on the goodbye message of the bot to define the message to the end user.
# In a real bot, this would likely involve a call to a backend service.
return response.close(intent_request['sessionAttributes'], 'Fulfilled', {
'contentType': 'PlainText',
'content': 'Welcome to Lex chatbot'
})
def get_time(intent_request, key):
"""
Performs dialog management and fulfillment for getting phone number.
Beyond fulfillment, the implementation of this intent demonstrates the use of the elicitSlot dialog action
in slot validation and re-prompting.
"""
open_time = response.get_slots(intent_request)['openTime']
close_time = response.get_slots(intent_request)['closeTime']
source = intent_request['invocationSource']
if source == 'DialogCodeHook':
slots = response.get_slots(intent_request)
validation_result = validate_time(open_time, close_time)
if not validation_result['isValid']:
slots[validation_result['violatedSlot']] = None
return response.elicit_slot(
intent_request['sessionAttributes'],
intent_request['currentIntent']['name'], slots,
validation_result['violatedSlot'],
validation_result['message'])
# Pass the price of the flowers back through session attributes to be used in various prompts defined
# on the bot model.
output_session_attributes = intent_request[
'sessionAttributes'] if intent_request[
'sessionAttributes'] is not None else {}
if open_time is not None and close_time is not None:
#val=str(app_state)
db_handlertime(open_time, close_time, key)
output_session_attributes[
'time'] = "added to bot open" # Elegant pricing model
return response.delegate(output_session_attributes,
response.get_slots(intent_request))
# Order the flowers, and rely on the goodbye message of the bot to define the message to the end user.
# In a real bot, this would likely involve a call to a backend service.
return response.close(intent_request['sessionAttributes'], 'Fulfilled', {
'contentType': 'PlainText',
'content': 'Contact Time Updated'
})
def specific_parking(intent_request):
"""Fulfillment for giving the user information regarding a specified lot"""
# Check for any errors with the current slots
parking_lot = helper.try_ex(
lambda: intent_request['currentIntent']['slots']['ParkingLot']
)
# Use of sessionAttributes to store information that can be used to guide
# conversation.
if intent_request['sessionAttributes'] is not None:
session_attributes = intent_request['sessionAttributes']
else:
session_attributes = {}
# Load slot value history for parking lots
parking_request = json.dumps({
'ParkingRequest': 'LotAvailability',
'ParkingLot': parking_lot
})
# Track current parking request.
session_attributes['currentParkingRequest'] = parking_request
source = intent_request['invocationSource']
if source == 'DialogCodeHook':
# Called on each user input until intent has been fulfilled.
# Check and validate the slots that have been specified.
validation_result = helper.validate_parking_lot(
intent_request['currentIntent']['slots']
)
if not validation_result['isValid']:
# If invalid, re-elicit for the slot values.
slots = intent_request['currentIntent']['slots']
slots[validation_result['violatedSlot']] = None
return response.elicit_slot(
session_attributes,
intent_request['currentIntent']['name'],
slots,
validation_result['violatedSlot'],
validation_result['message']
)
intent_request['currentIntent']['slots']['ParkingLot'] \
= validation_result['newLotName']
# Redirect to Amazon Lex to obtain slot values.
return response.delegate(
session_attributes,
intent_request['currentIntent']['slots']
)
if source == 'FulfillmentCodeHook':
lamfunc.logger.debug(
'request for specific parking={}'.format(parking_request)
)
# Clear settings from sessionAttributes
helper.try_ex(lambda: session_attributes.pop('currentParkingRequest'))
# Keep track of what was the last parking lot the user requested
# information for.
session_attributes['lastParkingRequest'] = parking_request
# End the intent.
return response.close(
session_attributes,
'Fulfilled', {
'contentType': 'PlainText',
'content': helper.build_specific_parking_msg(parking_lot)
}
)
raise Exception('Error fulfilling SpecificParking intent')
def get_directions(intent_request):
"""Fulfillment for giving the user information regarding a specified lot"""
# Check for any errors with the current slots
parking_lot = helper.try_ex(
lambda: intent_request['currentIntent']['slots']['ParkingLot']
)
# Use of sessionAttributes to retrieve information that can be used to
# guide conversation.
if intent_request['sessionAttributes'] is not None:
session_attributes = intent_request['sessionAttributes']
else:
session_attributes = {}
# Check for a previous parking request the user had made.
last_parking_req = helper.try_ex(
lambda: session_attributes['lastParkingRequest']
)
if last_parking_req:
last_parking_req = json.loads(last_parking_req)
# Load slot value history for parking lots
parking_request = json.dumps({
'ParkingRequest': 'Directions',
'ParkingLot': parking_lot
})
# Track current parking request.
session_attributes['currentParkingRequest'] = parking_request
source = intent_request['invocationSource']
if source == 'DialogCodeHook':
# Check and validate the slots that have been specified.
validation_result = helper.validate_parking_lot(
intent_request['currentIntent']['slots']
)
if not validation_result['isValid']:
# If invalid, re-elicit for the slot values.
slots = intent_request['currentIntent']['slots']
slots[validation_result['violatedSlot']] = None
return response.elicit_slot(
session_attributes,
intent_request['currentIntent']['name'],
slots,
validation_result['violatedSlot'],
validation_result['message']
)
intent_request['currentIntent']['slots']['ParkingLot'] \
= validation_result['newLotName']
if parking_lot is None and last_parking_req:
# If the slot empty and there is a parking lot already stored
# from a previous conversation, then use that parking value
lamfunc.logger.debug(
'request for lot directions={}'.format(parking_request)
)
# Clear settings from sessionsAttributes.
helper.try_ex(
lambda: session_attributes.pop('currentParkingRequest')
)
helper.try_ex(
lambda: session_attributes.pop('lastParkingRequest')
)
# End the intent.
return response.close(
session_attributes,
'Fulfilled', {
'contentType': 'PlainText',
'content': helper.build_directions_msg(
last_parking_req['ParkingLot']
)
}
)
# Otherwise, redirect to Amazon Lex to obtain slot values.
return response.delegate(
session_attributes,
intent_request['currentIntent']['slots']
)
if source == 'FulfillmentCodeHook':
lamfunc.logger.debug(
'request for lot directions={}'.format(parking_request)
)
# Clear settings from sessionAttributes
helper.try_ex(lambda: session_attributes.pop('currentParkingRequest'))
helper.try_ex(lambda: session_attributes.pop('lastParkingRequest'))
# End the intent.
return response.close(
session_attributes,
'Fulfilled', {
'contentType': 'PlainText',
'content': helper.build_directions_msg(parking_lot)
}
)
raise Exception('Error fulfilling SpecificParking intent')
