def launch_request_handler(request):
""" Annotate functions with @VoiceHandler so that they can be automatically mapped
to request types. Use the 'request_type' field to map them to non-intent requests """
user_id = request.access_token()
if user_id in twitter_cache.users():
user_cache = twitter_cache.get_user_state(user_id)
user_cache["amzn_id"] = request.user_id()
base_message = "Welcome to Twitter, {} . How may I help you today ?".format(
user_cache["screen_name"])
print(user_cache)
if 'pending_action' in user_cache:
base_message += " You have one pending action . "
print("Found pending action")
if 'description' in user_cache['pending_action']:
print("Found description")
base_message += user_cache['pending_action']['description']
return r.create_response(base_message)
card = r.create_card(title="Please log into twitter",
card_type="LinkAccount")
return r.create_response(
message="Welcome to twitter, looks like you haven't logged in!"
" Log in via the alexa app.",
card_obj=card,
end_session=True)
def post_tweet_intent_handler(request):
"""
Use the 'intent' field in the VoiceHandler to map to the respective intent.
"""
tweet = request.get_slot_value("Tweet")
tweet = tweet if tweet else ""
if tweet:
user_state = twitter_cache.get_user_state(request.access_token())
def action():
return post_tweet(request.access_token(), tweet)
message = "I am ready to post the tweet, {} ,\n Please say yes to confirm or stop to cancel .".format(tweet)
user_state['pending_action'] = {"action" : action,
"description" : message}
return r.create_response(message=message, end_session=False)
else:
# No tweet could be disambiguated
message = " ".join(
[
"I'm sorry, I couldn't understand what you wanted to tweet .",
"Please prepend the message with either post or tweet ."
]
)
return r.create_response(message=message, end_session=False)
def post_tweet_intent_handler(request):
"""
Use the 'intent' field in the VoiceHandler to map to the respective intent.
"""
tweet = request.get_slot_value("Tweet")
tweet = tweet if tweet else ""
if tweet:
user_state = twitter_cache.get_user_state(request.access_token())
def action():
return post_tweet(request.access_token(), tweet)
message = "I am ready to post the tweet, {} ,\n Please say yes to confirm or stop to cancel .".format(
tweet)
user_state['pending_action'] = {
"action": action,
"description": message
}
return r.create_response(message=message, end_session=False)
else:
# No tweet could be disambiguated
message = " ".join([
"I'm sorry, I couldn't understand what you wanted to tweet .",
"Please prepend the message with either post or tweet ."
])
return r.create_response(message=message, end_session=False)
def reply_focus_handler(request):
msg = "Sorry, I couldn't tell which tweet you wanted to reply to."
index = focused_on_tweet(request)
if index:
return r.create_response(
message=
"Do you want to reply to tweet {} ? If so say reply, followed by your message"
.format(index))
return r.create_response(message=msg, end_session=False)
def reply_handler(request):
message = "Sorry, I couldn't tell which tweet you want to reply to. "
slots = request.get_slot_map()
user_state = twitter_cache.get_user_state(request.access_token())
if not slots["Tweet"]:
return reply_focus_handler(request)
else:
can_reply = False
if slots['Tweet'] and not (slots['Ordinal'] or slots['Index']):
user_state = twitter_cache.get_user_state(request.access_token())
if 'focus_tweet' in user_state: # User is focused on a tweet
can_reply = True
else:
index = focused_on_tweet(request)
if index: can_reply = True
if can_reply: # Successfully focused on a tweet
index, focus_tweet = user_state['focus_tweet']
tweet_message = "@{0} {1}".format(focus_tweet.get_screen_name(),
slots['Tweet'])
params = {"in_reply_to_status_id": focus_tweet.get_id()}
def action():
print ("Performing action! lambda functions are awesome!")
message = post_tweet(request.access_token(), tweet_message, params)
del user_state['focus_tweet']
return message
message = "I am ready to post the tweet, {}. Please say yes to confirm or stop to cancel.".format(slots['Tweet'])
user_state['pending_action'] = {"action" : action,
"description" : message }
return r.create_response(message=message)
def help_intent_handler(request):
msg = ("I can do several things for you on twitter! "
"I can tell you about the top tweets on your home page, or the last tweets you favourited . "
"I can also tell you about recent tweets that mention you, or were posted by you . "
"When I am reading out a list of tweets, you can stop me and ask me to tell you about the tweet in more detail, or ask me to post a reply to it . "
"And of course, whenever post a tweet, say 'post hello world' or 'tweet hello world'. I am not good with hashtags or trending topics just yet, but I'm working on it! ")
return r.create_response(message=msg)
def find_trends_handler(request):
uid = request.access_token()
user_cache = twitter_cache.get_user_state(uid)
resolved_location = False
message = ""
location = request.get_slot_value("Location")
should_end_session = True
if not location:
# Get trends for user's current location
user_details = get_user_twitter_details(uid)
location = user_details[0]['location']
if location:
message += "Finding trends near you . "
else:
message += "I could not figure out where you are, please set it up on your twitter account . "
if location:
response = geo_search(request.access_token(), location) # convert natural language text to location
top_result = response['result']['places'][0]
lon, lat = top_result['centroid']
trend_params = {"lat" : lat, "long" : lon}
trend_location = closest_trend_search(request.access_token(), trend_params) # find closest woeid which has trends
woeid = trend_location[0]['woeid']
trends = list_trends(request.access_token(), trend_location[0]['woeid']) # List top trends
trend_lst = [trend['name'] for trend in trends[0]['trends']]
message += "The top trending topics near {0} are, ".format(trend_location[0]['name'])
message += "\n".join(["{0}, {1}, ".format(index+1, trend) for index, trend in enumerate(trend_lst)])
return r.create_response(message=message, end_session=should_end_session)
def previous_intent_handler(request):
user_queue = twitter_cache.user_queue(request.access_token())
if user_queue and user_queue.has_prev():
message = user_queue.read_out_prev()
else:
message = "I couldn't find anything to repeat"
return r.create_response(message=message)
def tweet_list_handler(request, tweet_list_builder, msg_prefix=""):
""" This is a generic function to handle any intent that reads out a list of tweets"""
# tweet_list_builder is a function that takes a unique identifier and returns a list of things to say
tweets = tweet_list_builder(request.access_token())
print(len(tweets), 'tweets found')
if tweets:
twitter_cache.initialize_user_queue(user_id=request.access_token(),
queue=tweets)
text_to_read_out = twitter_cache.user_queue(
request.access_token()).read_out_next(MAX_RESPONSE_TWEETS)
message = msg_prefix + text_to_read_out + ", say 'next' to hear more, or reply to a tweet by number."
return r.create_response(message=message, end_session=False)
else:
return r.create_response(
message="Sorry, no tweets found, please try something else",
end_session=False)
def reply_handler(request):
message = "Sorry, I couldn't tell which tweet you want to reply to. "
slots = request.get_slot_map()
user_state = twitter_cache.get_user_state(request.access_token())
should_end_session = True
if not slots["Tweet"]:
return reply_focus_handler(request)
else:
can_reply = False
if slots['Tweet'] and not (slots['Ordinal'] or slots['Index']):
user_state = twitter_cache.get_user_state(request.access_token())
if 'focus_tweet' in user_state: # User is focused on a tweet
can_reply = True
else:
index = focused_on_tweet(request)
if index: can_reply = True
if can_reply: # Successfully focused on a tweet
index, focus_tweet = user_state['focus_tweet']
tweet_message = "@{0} {1}".format(focus_tweet.get_screen_name(),
slots['Tweet'])
params = {"in_reply_to_status_id": focus_tweet.get_id()}
def action():
print ("Performing action! lambda functions are awesome!")
message = post_tweet(request.access_token(), tweet_message, params)
del user_state['focus_tweet']
return message
should_end_session = False
message = "I am ready to post the tweet, {}. Please say yes to confirm or stop to cancel.".format(slots['Tweet'])
user_state['pending_action'] = {"action" : action,
"description" : message }
return r.create_response(message=message, end_session=should_end_session)
def tweet_list_handler(request, tweet_list_builder, msg_prefix=""):
""" This is a generic function to handle any intent that reads out a list of tweets"""
# tweet_list_builder is a function that takes a unique identifier and returns a list of things to say
tweets = tweet_list_builder(request.access_token())
print (len(tweets), 'tweets found')
if tweets:
twitter_cache.initialize_user_queue(user_id=request.access_token(),
queue=tweets)
text_to_read_out = twitter_cache.user_queue(request.access_token()).read_out_next(MAX_RESPONSE_TWEETS)
message = msg_prefix + text_to_read_out + ", say 'next' to hear more, or reply to a tweet by number."
return r.create_response(message=message,
end_session=False)
else:
return r.create_response(message="Sorry, no tweets found, please try something else",
end_session=False)
def help_intent_handler(request):
msg = ("I can do several things for you on twitter! "
"I can tell you about the top tweets on your home page, or the last tweets you favourited . "
"I can also tell you about recent tweets that mention you, or were posted by you . "
"When I am reading out a list of tweets, you can stop me and ask me to tell you about the tweet in more detail, or ask me to post a reply to it . "
"And of course, whenever post a tweet, say 'post hello world' or 'tweet hello world'. I am not good with hashtags or trending topics just yet, but I'm working on it! ")
return r.create_response(message=msg)
def find_trends_handler(request):
uid = request.access_token()
user_cache = twitter_cache.get_user_state(uid)
resolved_location = False
message = ""
location = request.get_slot_value("Location")
if not location:
# Get trends for user's current location
user_details = get_user_twitter_details(uid)
location = user_details[0]['location']
if location:
message += "Finding trends near you . "
else:
message += "I could not figure out where you are, please set it up on your twitter account . "
if location:
response = geo_search(request.access_token(), location) # convert natural language text to location
top_result = response['result']['places'][0]
lon, lat = top_result['centroid']
trend_params = {"lat" : lat, "long" : lon}
trend_location = closest_trend_search(request.access_token(), trend_params) # find closest woeid which has trends
woeid = trend_location[0]['woeid']
trends = list_trends(request.access_token(), trend_location[0]['woeid']) # List top trends
trend_lst = [trend['name'] for trend in trends[0]['trends']]
message += "The top trending topics near {0} are, ".format(trend_location[0]['name'])
message += "\n".join(["{0}, {1}, ".format(index+1, trend) for index, trend in enumerate(trend_lst)])
return r.create_response(message=message)
def previous_intent_handler(request):
user_queue = twitter_cache.user_queue(request.access_token())
if user_queue and user_queue.has_prev():
message = user_queue.read_out_prev()
else:
message = "I couldn't find anything to repeat"
return r.create_response(message=message)
def cancel_action_handler(request):
message = "okay."
user_state = twitter_cache.get_user_state(request.access_token())
if 'pending_action' in user_state:
del user_state['pending_action'] # Clearing out the user's pending action
print ("cleared user_state")
message += " i won't do it."
return r.create_response(message)
def more_info_handler(request):
index = focused_on_tweet(request)
if index:
user_state = twitter_cache.get_user_state(request.access_token())
index, tweet = user_state['focus_tweet']
message = " ".join(["details about tweet number {}.".format(index+1), tweet.detailed_description(),"To reply, say 'reply' followed by your message"])
return r.create_response(message=message, end_session=False)
return reply_focus_handler(request)
def cancel_action_handler(request):
message = "okay."
user_state = twitter_cache.get_user_state(request.access_token())
should_end_session = True
if 'pending_action' in user_state:
del user_state['pending_action'] # Clearing out the user's pending action
print ("cleared user_state")
message += " i won't do it. would you like me to do something else ? "
should_end_session = False
return r.create_response(message, end_session=should_end_session)
def cancel_action_handler(request):
message = "okay."
user_state = twitter_cache.get_user_state(request.access_token())
should_end_session = True
if 'pending_action' in user_state:
del user_state[
'pending_action'] # Clearing out the user's pending action
print("cleared user_state")
message += " i won't do it. would you like me to do something else ? "
should_end_session = False
return r.create_response(message, end_session=should_end_session)
def launch_request_handler(request):
""" Annotate functions with @VoiceHandler so that they can be automatically mapped
to request types. Use the 'request_type' field to map them to non-intent requests """
user_id = request.access_token()
get_user_twitter_details(user_id)
if user_id in twitter_cache.users():
user_cache = twitter_cache.get_user_state(user_id)
user_cache["amzn_id"]= request.user_id()
base_message = "Welcome to Twitter, {} .".format(user_cache["screen_name"])
print (user_cache)
if 'pending_action' in user_cache:
base_message += " You have one pending action . "
print ("Found pending action")
if 'description' in user_cache['pending_action']:
print ("Found description")
base_message += user_cache['pending_action']['description']
return r.create_response(base_message)
card = r.create_card(title="Please log into twitter")
response = r.create_response(message="Welcome to twitter, looks like you haven't logged in!"
" Log in via the alexa app.", card_obj=card)
return response
def search_tweets_handler(request):
search_topic = request.get_slot_value("Topic")
max_tweets = 3
if search_topic:
message = "Searching twitter for tweets about {} . ".format(search_topic)
def search_tweets_builder(uid):
params = {
"q" : search_topic,
"result_type" : "popular"
}
return search_for_tweets_about(request.access_token(), params)
return tweet_list_handler(request, tweet_list_builder=search_tweets_builder, msg_prefix=message)
else:
return r.create_response("I couldn't find a topic to search for in your request")
def confirm_action_handler(request):
message = "okay."
user_state = twitter_cache.get_user_state(request.access_token())
if 'pending_action' in user_state:
params = user_state['pending_action']
# Perform action
message = params['action']()
if 'message' in params:
message = params['message']
if 'callback' in params:
params['callback']()
del user_state['pending_action']
print ("successfully executed command")
return r.create_response(message)
def search_tweets_handler(request):
search_topic = request.get_slot_value("Topic")
max_tweets = 3
if search_topic:
message = "Tweets about {}".format(search_topic)
def search_tweets_builder(uid):
params = {
"q" : search_topic,
"result_type" : "popular"
}
return search_for_tweets_about(request.access_token(), params)
return tweet_list_handler(request, tweet_list_builder=search_tweets_builder)
else:
return r.create_response("I couldn't find a topic to search for in your request")
def next_intent_handler(request):
"""
Takes care of things whenver the user says 'next'
"""
message = "Sorry, couldn't find anything in your next queue"
end_session = True
if True:
user_queue = twitter_cache.user_queue(request.access_token())
if not user_queue.is_finished():
message = user_queue.read_out_next(MAX_RESPONSE_TWEETS)
if not user_queue.is_finished():
end_session = False
message = message + ". Please, say 'next' if you want me to read out more. "
return r.create_response(message=message, end_session=end_session)
def next_intent_handler(request):
"""
Takes care of things whenver the user says 'next'
"""
message = "Sorry, couldn't find anything in your next queue"
end_session = True
if True:
user_queue = twitter_cache.user_queue(request.access_token())
if not user_queue.is_finished():
message = user_queue.read_out_next(MAX_RESPONSE_TWEETS)
if not user_queue.is_finished():
end_session = False
message = message + ". Please, say 'next' if you want me to read out more. "
return r.create_response(message=message,
end_session=end_session)
def confirm_action_handler(request):
message = "okay."
user_state = twitter_cache.get_user_state(request.access_token())
should_end_session = True
if 'pending_action' in user_state:
params = user_state['pending_action']
# Perform action
message = params['action']()
if 'message' in params:
message = params['message']
if 'callback' in params:
params['callback']()
del user_state['pending_action']
print ("successfully executed command")
message = message + " would you like me to do anything else ? "
should_end_session = False
return r.create_response(message, end_session=should_end_session)
def confirm_action_handler(request):
message = "okay."
user_state = twitter_cache.get_user_state(request.access_token())
should_end_session = True
if 'pending_action' in user_state:
params = user_state['pending_action']
# Perform action
message = params['action']()
if 'message' in params:
message = params['message']
if 'callback' in params:
params['callback']()
del user_state['pending_action']
print("successfully executed command")
message = message + " would you like me to do anything else ? "
should_end_session = False
return r.create_response(message, end_session=should_end_session)
def session_ended_request_handler(request):
return r.create_response(message="Goodbye!")
def reply_focus_handler(request):
msg = "Sorry, I couldn't tell which tweet you wanted to reply to."
index = focused_on_tweet(request)
if index:
return r.create_response(message="Do you want to reply to tweet {} ? If so say reply, followed by your message".format(index))
return r.create_response(message=msg, end_session=False)
def session_ended_request_handler(request):
return r.create_response(message="Goodbye!")