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index.js
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// This code sample shows how to call and receive external rest service data, within your skill Lambda code.
// var AWS = require('aws-sdk');
var https = require('https');
exports.handler = function( event, context ) {
var say = "";
var shouldEndSession = false;
var sessionAttributes = {};
var myState = "";
var pop = " ";
var pop2 = " ";
var rank = 0;
if (event.session.attributes) {
sessionAttributes = event.session.attributes;
}
if (event.request.type === "LaunchRequest") {
say = "Doctor Jarvis welcomes you. How can I help you today?";
context.succeed({sessionAttributes: sessionAttributes, response: buildSpeechletResponse(say, shouldEndSession) });
} else {
var IntentName = event.request.intent.name;
if (IntentName === "PainIntent") {
if (event.request.intent.slots.body_parts.value) {
myState = event.request.intent.slots.body_parts.value;
// call external rest service over https post
var post_data = {"symptoms": myState};
var post_options = {
host: 'drjarvis.herokuapp.com',
port: '443',
path: '/disease',
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Content-Length': Buffer.byteLength(JSON.stringify(post_data))
}
};
var post_req = https.request(post_options, function(res) {
res.setEncoding('utf8');
var returnData = "";
res.on('data', function (chunk) {
returnData += chunk;
});
res.on('end', function () {
// returnData: {"usstate":"Delaware","attributes":[{"population":900000},{"rank":45}]}
pop = returnData;
console.log(returnData);
say = pop;
// add the state to a session.attributes array
if (!sessionAttributes.requestList) {
sessionAttributes.requestList = [];
}
sessionAttributes.requestList.push(myState);
// This line concludes the lambda call. Move this line to within any asynchronous callbacks that return and use data.
context.succeed({sessionAttributes: sessionAttributes, response: buildSpeechletResponse(say, shouldEndSession) });
});
});
post_req.write(JSON.stringify(post_data));
post_req.end();
}
} else if (IntentName === "AMAZON.StopIntent" || IntentName === "AMAZON.CancelIntent") {
// var speechOutput = "Goodbye";
// response.tell(speechOutput);
say = "Goodbye";
shouldEndSession = true;
context.succeed({sessionAttributes: sessionAttributes, response: buildSpeechletResponse(say, shouldEndSession) });
}else if (IntentName === "GoodbyeIntent" ) {
say = "Goodbye Patient";
shouldEndSession = true;
context.succeed({sessionAttributes: sessionAttributes, response: buildSpeechletResponse(say, shouldEndSession) });
}else if (IntentName === "PictureIntent" ) {
say = "Take a picture using your phone and send it to me";
shouldEndSession = true;
context.succeed({sessionAttributes: sessionAttributes, response: buildSpeechletResponse(say, shouldEndSession) });
}else if (IntentName === "AMAZON.HelpIntent" ) {
say = "State your symptons"
context.succeed({sessionAttributes: sessionAttributes, response: buildSpeechletResponse(say, shouldEndSession) });
}else if (IntentName === "EmergencyIntent" ){
person = event.request.intent.slots.person.value;
// call external rest service over https post
var post_data = {"person": person};
var post_options = {
host: 'drjavis.herokuapp.com',
port: '443',
path: '/call',
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Content-Length': Buffer.byteLength(JSON.stringify(post_data))
}
};
var post_req = https.request(post_options, function(res) {
res.setEncoding('utf8');
var returnData = "";
res.on('data', function (chunk) {
returnData += chunk;
});
res.on('end', function () {
// returnData: {"usstate":"Delaware","attributes":[{"population":900000},{"rank":45}]}
pop = returnData;
console.log(returnData);
say = pop;
// add the state to a session.attributes array
if (!sessionAttributes.requestList) {
sessionAttributes.requestList = [];
}
sessionAttributes.requestList.push(myState);
// This line concludes the lambda call. Move this line to within any asynchronous callbacks that return and use data.
context.succeed({sessionAttributes: sessionAttributes, response: buildSpeechletResponse(say, shouldEndSession) });
});
});
post_req.write(JSON.stringify(post_data));
post_req.end();
}else if (IntentName === "ReportIntent"){
var person = event.request.intent.slots.person.value;
// call external rest service over https post
var post_data = {"person": person};
var post_options = {
host: 'drjarvis.herokuapp.com',
port: '443',
path: '/sendmessage',
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Content-Length': Buffer.byteLength(JSON.stringify(post_data))
}
};
var post_req = https.request(post_options, function(res) {
res.setEncoding('utf8');
var returnData = "";
res.on('data', function (chunk) {
returnData += chunk;
});
res.on('end', function () {
// returnData: {"usstate":"Delaware","attributes":[{"population":900000},{"rank":45}]}
pop = returnData;
say = pop;
// add the state to a session.attributes array
if (!sessionAttributes.requestList) {
sessionAttributes.requestList = [];
}
sessionAttributes.requestList.push(myState);
// This line concludes the lambda call. Move this line to within any asynchronous callbacks that return and use data.
context.succeed({sessionAttributes: sessionAttributes, response: buildSpeechletResponse(say, shouldEndSession) });
});
});
post_req.write(JSON.stringify(post_data));
post_req.end();
}
else if (IntentName === "MedicineIntent"){
//if (event.request.intent.slots.disease.value) {
//myState = event.request.intent.slots.disease.value;
// call external rest service over https post
var post_data = {"symptoms": "fever"};
var post_options = {
host: 'drjarvis.herokuapp.com',
port: '443',
path: '/medicine',
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Content-Length': Buffer.byteLength(JSON.stringify(post_data))
}
};
var post_req = https.request(post_options, function(res) {
res.setEncoding('utf8');
var returnData = "";
res.on('data', function (chunk) {
returnData += chunk;
});
res.on('end', function () {
// returnData: {"usstate":"Delaware","attributes":[{"population":900000},{"rank":45}]}
console.log(returnData);
var arr = returnData.split(",");
pop = arr[0];
pop2 = arr[1];
say = "The medicine is " + pop + "and the usage is " + pop2;
// add the state to a session.attributes array
if (!sessionAttributes.requestList) {
sessionAttributes.requestList = [];
}
sessionAttributes.requestList.push(myState);
// This line concludes the lambda call. Move this line to within any asynchronous callbacks that return and use data.
context.succeed({sessionAttributes: sessionAttributes, response: buildSpeechletResponse(say, shouldEndSession) });
});
});
post_req.write(JSON.stringify(post_data));
post_req.end();
//}
}
}
};
function buildSpeechletResponse(say, shouldEndSession) {
return {
outputSpeech: {
type: "SSML",
ssml: "<speak>" + say + "</speak>"
},
reprompt: {
outputSpeech: {
type: "SSML",
ssml: "<speak>Please try again. " + say + "</speak>"
}
},
card: {
type: "Simple",
title: "My Card Title",
content: "My Card Content, displayed on the Alexa App or alexa.amazon.com"
},
shouldEndSession: shouldEndSession
};
}