def lambda_handler(event, context):
logger.info('<help_desk_bot>> Lex event info = ' + json.dumps(event))
session_attributes = event.get('sessionAttributes', None)
if session_attributes is None:
session_attributes = {}
logger.debug('<<help_desk_bot> lambda_handler: session_attributes = ' + json.dumps(session_attributes))
currentIntent = event.get('currentIntent', None)
if currentIntent is None:
response_string = 'Sorry, I didn\'t understand.'
return helpers.close(session_attributes, 'Fulfilled', {'contentType': 'CustomPayload','content': response_string})
intentName = currentIntent.get('name', None)
if intentName is None:
response_string = 'Sorry, I didn\'t understand.'
return helpers.close(session_attributes, 'Fulfilled', {'contentType': 'CustomPayload','content': response_string})
# see HANDLERS dict at bottom
if HANDLERS.get(intentName, False):
return HANDLERS[intentName]['handler'](event, session_attributes) # dispatch to the event handler
else:
response_string = "The intent " + intentName + " is not yet supported."
return helpers.close(session_attributes, 'Fulfilled', {'contentType': 'CustomPayload','content': response_string})
def fallback_intent_handler(intent_request, session_attributes):
# session_attributes['fallbackCount'] = '0'
# fallbackCount = helpers.increment_counter(session_attributes, 'fallbackCount')
# try:
# slot_values = helpers.get_latest_slot_values(intent_request, session_attributes)
# except config.SlotError as err:
# return helpers.close(session_attributes, 'Fulfilled', {'contentType': 'CustomPayload','content': str(err)})
# logger.debug('<<help_desk_bot>> fallback_intent_handler(): slot_values = %s', json.dumps(slot_values))
query_string = ""
if intent_request.get('inputTranscript', None) is not None:
query_string += intent_request['inputTranscript']
logger.debug(
'fallback_intent_handler(): calling get_kendra_answer(query="%s")',
query_string)
kendra_response = helpers.get_kendra_answer(query_string)
if kendra_response is None:
response = "Sorry, I was not able to understand your question."
return helpers.close(session_attributes, 'Fulfilled', {
'contentType': 'CustomPayload',
'content': response
})
else:
logger.debug('fallback_intent_handler(): kendra_response = %s',
kendra_response)
return helpers.close(session_attributes, 'Fulfilled', {
'contentType': 'CustomPayload',
'content': kendra_response
})
def hello_intent_handler(intent_request, session_attributes):
# clear out session attributes to start new
session_attributes = {}
response_string = "Hello! How can we help you today? You can ask a question or make an appointment with IT Support."
return helpers.close(session_attributes, 'Fulfilled', {'contentType': 'CustomPayload','content': response_string})
def goodbye_intent_handler(intent_request, session_attributes):
# clear out session attributes to start over
session_attributes = {}
response_string = "Thanks! Have a great rest of your day."
return helpers.close(session_attributes, 'Fulfilled', {'contentType': 'CustomPayload','content': response_string})
def kendra_search_intent_handler(intent_request, session_attributes):
"""
Fallback intent handler. Generates response by querying Kendra index.
:param intent_request: Request
:param session_attributes: Session attributes
:return: Response string
"""
session_attributes['fallbackCount'] = '0'
# fallbackCount = helpers.increment_counter(session_attributes, 'fallbackCount')
try:
slot_values = helpers.get_latest_slot_values(intent_request,
session_attributes)
except config.SlotError as err:
return helpers.close(session_attributes, 'Fulfilled', {
'contentType': 'CustomPayload',
'content': str(err)
})
logger.debug(
'<<help_desk_bot>> kendra_search_intent_handler(): slot_values = %s',
json.dumps(slot_values))
query_string = ""
if intent_request.get('inputTranscript', None) is not None:
query_string += intent_request['inputTranscript']
logger.debug(
'<<help_desk_bot>> kendra_search_intent_handler(): calling get_kendra_answer(query="%s")',
query_string)
kendra_response = helpers.get_kendra_answer(
intent_request['kendraResponse'])
if kendra_response is None:
response = "Sorry, I was not able to understand your question. Could you please repeat?"
return helpers.close(session_attributes, 'Fulfilled', {
'contentType': 'CustomPayload',
'content': response
})
logger.debug(
'<<help_desk_bot>> "kendra_search_intent_handler(): kendra_response = %s',
str(kendra_response))
return helpers.close(session_attributes, 'Fulfilled', {
'contentType': 'CustomPayload',
'content': kendra_response
})
def check_appointment_intent_handler(intent_request, session_attributes):
session_attributes['fallbackCount'] = '0'
try:
slot_values = helpers.get_latest_slot_values(intent_request, session_attributes)
except config.SlotError as err:
return helpers.close(session_attributes, 'Fulfilled', {'contentType': 'CustomPayload','content': str(err)})
logger.debug('<<help_desk_bot>> check_appointment_intent_handler(): slot_values = %s', json.dumps(slot_values))
if slot_values.get('time', None) is None:
response_string = "We don't have a time set up yet."
elif slot_values.get('problem', None) is None:
response_string = "We don't have a problem identified yet."
else:
response_string = "Hi, we will see you at {} today to fix your {}.".format(slot_values['time'], slot_values['problem'])
return helpers.close(session_attributes, 'Fulfilled', {'contentType': 'CustomPayload','content': response_string})
def make_appointment_intent_handler(intent_request, session_attributes):
session_attributes['fallbackCount'] = '0'
try:
slot_values = helpers.get_latest_slot_values(intent_request, session_attributes)
except config.SlotError as err:
return helpers.close(session_attributes, 'Fulfilled', {'contentType': 'CustomPayload','content': str(err)})
logger.debug('<<help_desk_bot>> make_appointment_intent_handler(): slot_values = %s', json.dumps(slot_values))
if slot_values.get('time', None) is None:
response_string = "Please check the bot configuration for slot {time}."
elif slot_values.get('problem', None) is None:
response_string = "Please check the bot configuration for slot {problem}."
else:
response_string = "Got it, we'll see you then to take a look at your {}.".format(slot_values['problem'])
return helpers.close(session_attributes, 'Fulfilled', {'contentType': 'CustomPayload','content': response_string})
def lambda_handler(event, _):
"""
Lambda function handler. Triggers applicable intent handler and returns Lex bot response.
:param event: Event body
:param _: Context (not used)
:return: Lex bot response
"""
logger.info('<help_desk_bot>> Lex event info = %s', json.dumps(event))
session_attributes = event.get('sessionAttributes', None)
if session_attributes is None:
session_attributes = {}
logger.debug('<<help_desk_bot> lambda_handler: session_attributes = %s',
json.dumps(session_attributes))
current_intent = event.get('currentIntent', None)
if current_intent is None:
response_string = 'Sorry, I didn\'t understand. Could you please repeat?'
return helpers.close(session_attributes, 'Fulfilled', {
'contentType': 'CustomPayload',
'content': response_string
})
intent_name = current_intent.get('name', None)
if intent_name is None:
response_string = 'Sorry, I didn\'t understand. Could you please repeat?'
return helpers.close(session_attributes, 'Fulfilled', {
'contentType': 'CustomPayload',
'content': response_string
})
# see HANDLERS dict at bottom
if HANDLERS.get(intent_name, False):
return HANDLERS[intent_name]['handler'](event, session_attributes)
# dispatch to the event handler
response_string = "The intent " + intent_name + " is not yet supported."
return helpers.close(session_attributes, 'Fulfilled', {
'contentType': 'CustomPayload',
'content': response_string
})
def handler(event, context):
session_attributes = event.get('sessionAttributes', None)
query_string = ""
if event.get('inputTranscript', None) is not None:
query_string += event['inputTranscript']
kendra_response = helpers.get_kendra_answer(query_string)
if kendra_response is None:
response = "Sorry, I was not able to understand your question."
return helpers.close(session_attributes, 'Fulfilled', {
'contentType': 'CustomPayload',
'content': response
})
else:
logger.info(
'<<help_desk_bot>> "fallback_intent_handler(): kendra_response = %s',
kendra_response)
return helpers.close(session_attributes, 'Fulfilled', {
'contentType': 'CustomPayload',
'content': kendra_response
})