Merge pull request #51 from shivamp-vg/patch-1

Create echo_bot script for telephony bot callback API

telephony-bot-api/type-callback/echo_bot.py

@@ -0,0 +1,155 @@
+#!/usr/bin/env python
+
+from flask import Flask, jsonify
+from flask import request
+import json
+import requests
+
+
+app = Flask(__name__)
+
+
+# Function to generate response for POST request
+def get_post_resp(payload):
+   sid = payload['sid']
+   csid = "csid-" + sid
+   data = {
+      "csid":csid,
+      "sid":sid,
+      "sequence":1,
+      "prompt": {
+      "text":"This is an echo bot.",
+      "audioProperties":{"voice":"catherine"}
+      }
+   }
+   return data
+
+
+# Function to generate response for POST request
+def get_put_resp_first(payload, seq):
+   sid = payload['sid']
+   csid = "csid-" + sid
+   resp = {
+      "csid":csid,
+      "sid":payload['sid'],
+      "sequence":seq+1,
+      "question":{
+         "name":"phone",
+         "text":"Say Something...",
+         "audioProperties":{"voice":"catherine"}
+      }
+   }
+   return resp
+
+
+# Function to generate response for PUT request (echo interaction)
+def get_put_resp_echo(payload, seq):
+   sid = payload['sid']
+   csid = "csid-" + sid
+   events = payload["events"]
+   resp = {}
+   # Iterate over events to read input event and echo the utterance
+   for event in events:
+      event_type =  event["type"]
+      if(event_type == "input"):
+         utterance = event["vuiAlternatives"][0]["utterance"]
+         resp = {
+            "csid":csid,
+            "sid":payload['sid'],
+            "sequence":seq+1,
+            "prompt":{
+               "text":utterance,
+               "audioProperties":{"voice":"catherine"}
+            }
+         }
+         break
+   return resp
+
+
+# Function to generate response for PUT request (disconnect)
+def get_put_resp_disconnest(payload, seq):
+   sid = payload['sid']
+   csid = "csid-" + sid
+   resp = {
+      "csid":csid,
+      "sid":payload['sid'],
+      "sequence":seq+1,
+      "disconnect": {
+         "reason" : "END of CALL",
+         "prompt" : {
+            "audioProperties": { "voice": "Catherine" },
+            "text": "Goodbye, disconnecting"
+         }
+      }  
+   }
+   return resp
+
+
+# POST request route
+@app.route("/", methods=["POST"])
+def post():
+   payload = request.json
+   print("POST req recieved!! Payload is: " + str(payload))
+   try:      
+      data = get_post_resp(payload)
+      return jsonify(data)
+   except Exception as e: 
+      print(e)
+
+
+# PUT request route
+@app.route("/<csid>", methods=["PUT"])
+def put(csid):
+   print("PUT req recieved. ")
+   payload = request.json
+   seq = int(request.args.get('seq'))
+   print("PUT Req!! Payload is: " + str(payload))
+   try:      
+      resp = {}
+
+      if(seq==2):
+         resp = get_put_resp_first(payload, seq)
+
+      if(seq==3):
+         resp = get_put_resp_echo(payload, seq)
+
+      if(seq>3):
+         resp = get_put_resp_disconnest(payload, seq)
+
+      return jsonify(resp)
+   except Exception as e: 
+      print(e)
+
+
+
+# DELETE request route
+@app.route("/<csid>", methods=["DELETE"])
+def delete(csid):
+   print("Delete req recieved.")
+   payload = request.json
+   seq = int(request.args.get('seq'))
+
+   data = {
+        "csid":csid,
+        "sid":payload["sid"],
+        "sequence":seq+1,
+        "termination":"normal"
+      }
+   return jsonify(data)
+
+
+
+# GET request route
+@app.route("/", methods=["GET"])
+def get():
+   return "GET req recieved."
+
+
+
+# Run route
+@app.route("/run")
+def run():
+   return "Run, Shivam VG.AI!"
+
+if __name__ == "__main__":
+   app.run(port=80)