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Merge pull request avinashkranjan#672 from dsg1320/feature/covidStats
Feature/covid stats
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‎Covid India Stats App/README.md‎

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# COVID19 STATS APP FOR INDIAN STATES
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This project uses the following API for getting the stats
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[COVID19 STATS](https://api.covid19india.org/data.json)
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## Requirments
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- Flask
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- ngrok: for getting public URL for your local API else deploy in servers like Heroku
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- Facebook page
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- Facebook developer account: for connecting backend with chatbot app
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## How to use this code ?
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- Create app in developer portal and connect with facebook page
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- Obtain app id
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- Generate token for the page you have linked with the app
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- Install flask and other requirements and run the app
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- Use ngrok like software for creating public URL
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- Add public URL as callback URL in developer portal
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- Edit subscription of your added page and tick the following
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- messages
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- messaging_postbacks
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- messaging_referrals
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- The verification token for this script is "abc".This will be used for verifying the webhook
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- Ensure that you have added the generation token in the step 1 in the code
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```ACCESS_TOKEN = "random token"```
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Now send a message from messenger from your facebook page and get corresponding stats
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![messenger-1](https://user-images.githubusercontent.com/73653978/111796544-4a97fa00-88ee-11eb-9e8a-e22031a6d665.PNG)
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![messenger-2](https://user-images.githubusercontent.com/73653978/111796445-318f4900-88ee-11eb-9db0-07bc8c765bae.PNG)
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![messenger-3](https://user-images.githubusercontent.com/73653978/111796633-5e436080-88ee-11eb-9f2e-f8e257bf43fb.PNG)
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## Author
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[Devika S G](https://github.com/dsg1320)

‎Covid India Stats App/app.py‎

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import json
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from flask import Flask, request
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import requests
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# Token that has to be generated from webhook page portal
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ACCESS_TOKEN = "random token"
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# Token that has to be added for verification with developer portal
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VERIFICATION_TOKEN = "abc"
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# Identifier payloads for initial button
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C19INDIA = "C19INDIA"
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app = Flask(__name__)
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# This get endpoint is for verification with messenger app
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@app.route('/webhook', methods=['GET'])
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def webhook():
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verify_token = request.args.get("hub.verify_token")
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if verify_token == VERIFICATION_TOKEN:
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return request.args.get("hub.challenge")
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return 'Unable to authorise.'
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@app.route("/webhook", methods=['POST'])
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def webhook_handle():
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data = request.get_json()
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if data["object"] == "page": # To verify that the request is being originated from a page
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for entry in data["entry"]:
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for event in entry["messaging"]:
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if event.get("message"): # somebody typed a message
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process_message(event)
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elif event.get("postback"): # user clicked/tapped "postback" button in earlier message
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process_postback(event)
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return 'ok'
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def process_message(event):
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sender_id = event["sender"]["id"] # the facebook ID of the person sending you the message
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# could receive text or attachment but not both
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if "text" in event["message"]:
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send_initial_menu(sender_id)
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def send_initial_menu(sender_id):
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message_data = json.dumps({
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"recipient": {
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"id": sender_id
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},
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"message": {
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"attachment": {
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"type": "template",
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"payload": {
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"template_type": "generic",
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"elements": [{
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"title": "Covid India Stats",
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"subtitle": "Get the covid19 stats of Indian states",
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"buttons": [{
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"type": "web_url",
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"url": "https://www.worldometers.info/coronavirus/country/india/",
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"title": "Open Worldometer India"
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}, {
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"type": "postback",
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"title": "Get Stats By Indian States",
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"payload": C19INDIA,
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}],
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}]
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}
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}
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}
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})
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call_send_api(message_data)
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def send_state_list(sender_id):
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message_data = json.dumps({
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"recipient": {
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"id": sender_id
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},
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"message": {
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"attachment": {
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"type": "template",
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"payload": {
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"template_type": "generic",
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"elements": [{
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"title": "Select State",
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"buttons": create_state_list(1)
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}, {
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"title": "Select State",
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"buttons": create_state_list(2)
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}, {
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"title": "Select State",
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"buttons": create_state_list(3)
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}, {
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"title": "Select State",
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"buttons": create_state_list(4)
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}, {
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"title": "Select State",
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"buttons": create_state_list(5)
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}, {
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"title": "Select State",
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"buttons": create_state_list(6)
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}, {
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"title": "Select State",
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"buttons": create_state_list(7)
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}, {
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"title": "Select State",
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"buttons": create_state_list(8)
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}, {
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"title": "Select State",
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"buttons": create_state_list(9)
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}, {
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"title": "Select State",
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"buttons": create_state_list(10)
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}]
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}
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}
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}
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})
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call_send_api(message_data)
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def create_state_list(index):
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state_list = ["Maharashtra", "Kerala", "Karnataka", "Andhra Pradesh", "Tamil Nadu", "Delhi", "Uttar Pradesh",
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"West Bengal", "Odisha", "Rajasthan", "Chhattisgarh", "Telangana", "Haryana", "Gujarat", "Bihar",
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"Madhya Pradesh", "Assam", "Punjab", "Jharkhand", "Uttarakhand", "Himachal Pradesh", "Goa", "Tripura",
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"Manipur", "Arunachal Pradesh", "Meghalaya", "Nagaland", "Sikkim", "Mizoram"]
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payload_list = []
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start_index = 0 + 3 * (index - 1)
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end_index = 29 if (start_index + 3) > 29 else (start_index + 3)
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for i in range(start_index, end_index):
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postback = {}
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postback["type"] = "postback"
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postback["title"] = state_list[i]
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postback["payload"] = state_list[i]
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payload_list.append(postback)
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return payload_list
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def get_stats_send(sender_id, state):
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response = json.loads(requests.get("https://api.covid19india.org/data.json").text)
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list_state = response['statewise']
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for i in list_state:
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if i['state'] == state:
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x = i
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break
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message_data = json.dumps({
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"recipient": {
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"id": sender_id
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},
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"message": {
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"text": "ACTIVE CASES: {}\nCONFIRMED CASES: {}\nDEATHS: {}\nRECOVERED: {}".format(x['active'],
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x['confirmed'],
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x['deaths'],
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x['recovered'])
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}
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})
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call_send_api(message_data)
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def process_postback(event):
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sender_id = event["sender"]["id"]
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payload = event["postback"]["payload"]
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if payload == C19INDIA:
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send_state_list(sender_id)
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else:
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get_stats_send(sender_id, payload)
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def call_send_api(message_data):
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params = {
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"access_token": ACCESS_TOKEN
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}
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headers = {
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"Content-Type": "application/json"
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}
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r = requests.post("https://graph.facebook.com/v5.0/me/messages", params=params, headers=headers, data=message_data)
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if __name__ == "__main__":
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app.run()

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