echo_server.py

#Author: Samuel Resendez




from flask import Flask, render_template
from flask_ask import Ask, statement, question
from geopy.geocoders import GoogleV3
import requests, time
from difflib import SequenceMatcher

""" Setting Global Vars """
app = Flask(__name__)


ask = Ask(app, '/')
geo_locator = GoogleV3(api_key="AIzaSyC0q7QFF35WNbYWvr4hdFrlsr6RUCGYLRw")
data_sets = ["meteor strikes","plane crashes","drone strikes","police killings"]
map_stylings = ["dark","topographic","streets"]
user_id = 0

### Initialization Functions ###

@ask.launch
def new_connection():
    """Called upon initialization"""
    # r = requests.get(url)


    return question("Welcome, setting up your connection to Globe")



@app.route("/")
def initialize():
    return render_template('index.html')

### TRAVEL FUNCTIONS ###


@ask.intent('syncIntent')
def sync_clients():
    url = "https://globe-sb.herokuapp.com/syncClients"
    r = requests.get(url)
    if r.status_code == 200:
        return question("Clients synced successfully!")
    else:
        return question("Couldn't sync clients, please try again.")


@ask.intent('goToDestinationIntent')
def travel_to_location(location):
    """Called to move to another location on the map. Should set up a websocket with react thingy"""
    # location is name of location

    print(location)
    try:
        loc_obj = geo_locator.geocode(location)
        url = "https://globe-sb.herokuapp.com/"
        r = requests.post(url, data= {'longitude': loc_obj.longitude,'latitude':loc_obj.latitude})
        # start websocket
        print(r.status_code)
        if r.status_code == 200:
            text = render_template('viewLocation',location=location)

            return question(text)
    except Exception as e:
        return question("Request failed. Please try again")


@ask.intent('zoomInIntent')
def zoom_in():

    # make post request/update webapp
    url = "https://globe-sb.herokuapp.com/alexaPosition"
    try:
        r = requests.post(url, data={"zoom_delta":-3})
        if r.status_code == 200:
            text = render_template('zoomIn')
            return question(text)
    except Exception as e:
        return question("Sorry, the map was busy, please try again!")

@ask.intent('zoomOutIntent')
def zoom_out():

    url = "https://globe-sb.herokuapp.com/alexaPosition"
    try:
        r = requests.post(url,data={"zoom_delta":3})
        if r.status_code == 200:
            text = render_template('zoomOut')
            return question(text)
    except Exception as e:
        return question("Sorry, the map was busy, please try again!")


@ask.intent('quitIntent')
def quit_map():

    return statement("Thank you for using globe, goodbye!")


### DATA PREFERENCE FUNCTIONS ###

@ask.intent('setDataIntent')
def send_data(data_pattern_num): # 1 - 4
    url = "https://globe-sb.herokuapp.com/setDataPattern"
    try:
        for x in range(len(data_sets)):
            print(SequenceMatcher(None,data_pattern_num,data_sets[x]).ratio())
            if SequenceMatcher(None,data_pattern_num,data_sets[x]).ratio() > 0.8:
                r = requests.post(url,data={'pattern_id':x})
                if r.status_code == 200:
                    return question("Updating data pattern")
                else:
                    return question("Server error, try again.")
                break
        return question("Couldn't find dataset, please choose another")
    except Exception as e:
        return question("Sorry, map was busy, please try again!")

@ask.intent('setMapIntent')
def update_map(map_num): # 1-3
    url = "https://globe-sb.herokuapp.com/setMapStyle"
    try:
        for x in range(len(map_stylings)):
            print(SequenceMatcher(None,map_num,map_stylings[x]).ratio())
            if SequenceMatcher(None,map_num,map_stylings[x]).ratio() > 0.7:
                r = requests.post(url,data={'map_style':x})
                if r.status_code == 200:
                    return question("Updating stylemap")
                else:
                    return question("Server error, try again.")
                break

        return question("Couldn't locate stylemap, please choose another")
    except Exception as e:
        return question("Sorry, couldn't find map, please try again.")


### UTIL FUNCTIONS ###

@ask.intent('stallIntent')
def stall_Alexa(num_of_sec):
    try:
        num_of_sec = int(num_of_sec)
        if(num_of_sec > 7):
            num_of_sec = 7

        time.sleep(num_of_sec)
        return question("Hold Finished")
    except Exception as e:
        return question("Hold Finished")


if __name__ == '__main__':
    app.run(debug=False)