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index.js
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// See https://github.com/dialogflow/dialogflow-fulfillment-nodejs
// for Dialogflow fulfillment library docs, samples, and to report issues
'use strict';
const functions = require('firebase-functions');
const {WebhookClient} = require('dialogflow-fulfillment');
// const {Card, Suggestion} = require('dialogflow-fulfillment');
const bent=require('bent');
const getJSON= bent('json');
process.env.DEBUG = 'dialogflow:debug'; // enables lib debugging statements
exports.dialogflowFirebaseFulfillment = functions.https.onRequest((request, response) => {
const agent = new WebhookClient({ request, response });
console.log('Dialogflow Request headers: ' + JSON.stringify(request.headers));
console.log('Dialogflow Request body: ' + JSON.stringify(request.body));
function welcome(agent)
{
agent.add(`Welcome to my agent!`);
}
function fallback(agent)
{
agent.add(`I didn't understand. The question you asked might not be related to COVID-19`);
agent.add(`I'm sorry, can you try again? The question you asked might not be related to COVID-19`);
}
function worldStats(agent)
{
const type=agent.parameters.type;
return getJSON('https://coronavirus-tracker-api.herokuapp.com/v2/latest?source=jhu').then((result)=>{
agent.add('From the latest data available, ');
// agent.add(type);
var i;
if(type.length>=3)
{
agent.add('There are currently '+result.latest.confirmed+' confirmed cases of COVID-19, '+result.latest.deaths+' deaths and '+result.latest.recovered+' recovered cases worldwide.');
}
else
{
for(i=0;i<type.length;i++)
{
if(i>=1)
agent.add('In addition,');
switch(type[i])
{
case 'confirmed':
agent.add('There are currently '+result.latest.confirmed+' confirmed cases of COVID-19 worldwide.');
break;
case 'deaths':
agent.add('There are currently '+result.latest.deaths+' deaths due to COVID-19 worldwide.');
break;
case 'recovered':
agent.add('There are currently '+result.latest.recovered+' recovered cases of COVID-19 worldwide.');
break;
default:
agent.add('There are currently '+result.latest.confirmed+' confirmed cases of COVID-19, '+result.latest.deaths+' deaths and '+result.latest.recovered+' recovered cases worldwide.');
}
}
}
}).catch((error)=>{
console.error(error);
});
}
function locStats(agent)
{
const type=agent.parameters.type;
const cntry=agent.parameters.country;
const st=agent.parameters.state;
const cnty=agent.parameters.County;
// agent.add(st);
// agent.add(type);
if(cnty!=""&&st=='')
{
var cntyn2;
var pos=cnty[0].indexOf("ounty");
if(pos==-1)
{
pos=cnty[0].indexOf("arish");
}
const cntyn=cnty[0].substr(0,(pos-2));
if(cnty.length>1)
{
var pos2=cnty[1].indexOf("ounty");
if(pos2==-1)
{
pos2=cnty[1].indexOf("arish");
}
cntyn2=cnty[1].substr(0,(pos2-2));
}
return getJSON('https://coronavirus-tracker-api.herokuapp.com/v2/locations?source=csbs&county='+cntyn).then((result)=>{
agent.add('From the latest data available, ');
var i;
if(type.length>=3)
{
agent.add('There are currently '+result.latest.confirmed+' confirmed cases of COVID-19, '+result.latest.deaths+' deaths and '+result.latest.recovered+' recovered cases in '+cnty[0]+'.');
}
else
{
for(i=0;i<type.length;i++)
{
if(i>=1)
agent.add('In addition,');
switch(type[i])
{
case 'confirmed':
agent.add('There are currently '+result.latest.confirmed+' confirmed cases of COVID-19 in '+cnty[0]+'.');
break;
case 'deaths':
agent.add('There are currently '+result.latest.deaths+' deaths due to COVID-19 in '+cnty[0]+'.');
break;
case 'recovered':
agent.add('There are currently '+result.latest.recovered+' recovered cases of COVID-19 in '+cnty[0]+'.');
break;
default:
agent.add('There are currently '+result.latest.confirmed+' confirmed cases of COVID-19, '+result.latest.deaths+' deaths and '+result.latest.recovered+' recovered cases in '+cnty[0]+'.');
}
}
}
if(cnty.length>1)
{
return getJSON('https://coronavirus-tracker-api.herokuapp.com/v2/locations?source=csbs&county='+cntyn2).then((result)=>{
agent.add('And, there are');
var i;
if(type.length>=3)
{
agent.add(+result.latest.confirmed+' confirmed cases, '+result.latest.deaths+' deaths and '+result.latest.recovered+' recovered cases in '+cnty[1]+'.');
}
else
{
for(i=0;i<type.length;i++)
{
if(i>=1)
agent.add('In addition, there are ');
switch(type[i])
{
case 'confirmed':
agent.add(+result.latest.confirmed+' confirmed cases in '+cnty[1]+'.');
break;
case 'deaths':
agent.add(+result.latest.deaths+' deaths in '+cnty[1]+'.');
break;
case 'recovered':
agent.add(+result.latest.recovered+' recovered cases in '+cnty[1]+'.');
break;
default:
agent.add(+result.latest.confirmed+' confirmed cases, '+result.latest.deaths+' deaths and '+result.latest.recovered+' recovered cases in '+cnty[1]+'.');
}
}
}
}).catch((error)=>{
console.error(error);
});
}
}).catch((error)=>{
console.error(error);
});
}
else if(cnty!=""&&st!='')
{
var cntyn2;
var st2;
var pos=cnty[0].indexOf("ounty");
if(pos==-1)
{
pos=cnty[0].indexOf("arish");
}
const cntyn=cnty[0].substr(0,(pos-2));
if(cnty.length>1)
{
var pos2=cnty[1].indexOf("ounty");
if(pos2==-1)
{
pos2=cnty[1].indexOf("arish");
}
cntyn2=cnty[1].substr(0,(pos2-2));
}
if(st.length>1)
{
st2=st[1];
}
else
{
st2=st[0];
}
return getJSON('https://coronavirus-tracker-api.herokuapp.com/v2/locations?source=csbs&province='+st[0]+'&county='+cntyn).then((result)=>{
agent.add('From the latest data available, ');
var i;
if(type.length>=3)
{
agent.add('There are currently '+result.latest.confirmed+' confirmed cases of COVID-19, '+result.latest.deaths+' deaths and '+result.latest.recovered+' recovered cases in '+cnty[0]+', '+st[0]+'.');
}
else
{
for(i=0;i<type.length;i++)
{
if(i>=1)
agent.add('In addition,');
switch(type[i])
{
case 'confirmed':
agent.add('There are currently '+result.latest.confirmed+' confirmed cases of COVID-19 in '+cnty[0]+', '+st[0]+'.');
break;
case 'deaths':
agent.add('There are currently '+result.latest.deaths+' deaths due to COVID-19 in '+cnty[0]+', '+st[0]+'.');
break;
case 'recovered':
agent.add('There are currently '+result.latest.recovered+' recovered cases of COVID-19 in '+cnty[0]+', '+st[0]+'.');
break;
default:
agent.add('There are currently '+result.latest.confirmed+' confirmed cases of COVID-19, '+result.latest.deaths+' deaths and '+result.latest.recovered+' recovered cases in '+cnty[0]+', '+st[0]+'.');
}
}
}
if(cnty.length>1)
{
return getJSON('https://coronavirus-tracker-api.herokuapp.com/v2/locations?source=csbs&province='+st2+'&county='+cntyn2).then((result)=>{
agent.add('And, there are ');
var i;
if(type.length>=3)
{
agent.add(+result.latest.confirmed+' confirmed cases , '+result.latest.deaths+' deaths and '+result.latest.recovered+' recovered cases in '+cnty[1]+', '+st2+'.');
}
else
{
for(i=0;i<type.length;i++)
{
if(i>=1)
agent.add('In addition, there are ');
switch(type[i])
{
case 'confirmed':
agent.add(+result.latest.confirmed+' confirmed cases in '+cnty[1]+', '+st2+'.');
break;
case 'deaths':
agent.add(+result.latest.deaths+' deaths in '+cnty[1]+', '+st2+'.');
break;
case 'recovered':
agent.add(+result.latest.recovered+' recovered cases in '+cnty[1]+', '+st2+'.');
break;
default:
agent.add(+result.latest.confirmed+' confirmed cases, '+result.latest.deaths+' deaths and '+result.latest.recovered+' recovered cases in '+cnty[1]+', '+st2+'.');
}
}
}
}).catch((error)=>{
console.error(error);
});
}
}).catch((error)=>{
console.error(error);
});
}
else if(st!=''&&cnty=='')
{
// var j;
// const l=st.length;
// agent.add("Length" +l);
// for (var k = 0; k < st.length; k++) {
// agent.add("Here");
// }
// for(j=0;j<st.length;j++)
// {
//if(j>=1)
//agent.add('And in addition,');
// agent.add("Here");
return getJSON('https://coronavirus-tracker-api.herokuapp.com/v2/locations?source=csbs&province='+st[0]).then((result)=>{
agent.add('From the latest data available ');
var i;
if(type.length>=3)
{
agent.add('There are currently '+result.latest.confirmed+' confirmed cases of COVID-19, '+result.latest.deaths+' deaths and '+result.latest.recovered+' recovered cases in '+st[0]+'.');
}
else
{
for(i=0;i<type.length;i++)
{
if(i>=1)
agent.add('In addition,');
switch(type[i])
{
case 'confirmed':
agent.add('There are currently '+result.latest.confirmed+' confirmed cases of COVID-19 in '+st[0]+'.');
break;
case 'deaths':
agent.add('There are currently '+result.latest.deaths+' deaths due to COVID-19 in '+st[0]+'.');
break;
case 'recovered':
agent.add('There are currently '+result.latest.recovered+' recovered cases of COVID-19 in '+st[0]+'.');
break;
default:
agent.add('There are currently '+result.latest.confirmed+' confirmed cases of COVID-19, '+result.latest.deaths+' deaths and '+result.latest.recovered+' recovered cases in '+st[0]+'.');
}
}
}
return getJSON('https://coronavirus-tracker-api.herokuapp.com/v2/locations?source=csbs&province='+st[1]).then((result)=>{
agent.add('And, there are ');
var i;
if(type.length>=3)
{
agent.add(+result.latest.confirmed+' confirmed cases, '+result.latest.deaths+' deaths and '+result.latest.recovered+' recovered cases in '+st[1]+'.');
}
else
{
for(i=0;i<type.length;i++)
{
if(i>=1)
agent.add('In addition, there are ');
switch(type[i])
{
case 'confirmed':
agent.add(+result.latest.confirmed+' confirmed cases in '+st[1]+'.');
break;
case 'deaths':
agent.add(+result.latest.deaths+' deaths in '+st[1]+'.');
break;
case 'recovered':
agent.add(+result.latest.recovered+' recovered cases in '+st[1]+'.');
break;
default:
agent.add(+result.latest.confirmed+' confirmed cases, '+result.latest.deaths+' deaths and '+result.latest.recovered+' recovered cases in '+st[1]+'.');
}
}
}
}).catch((error)=>{
console.error(error);
});
}).catch((error)=>{
console.error(error);
});
}
else if(cntry!='')
{
const time=agent.parameters.time;
if(time=='')
{
var cntryn2;
const cntryn=cntry[0]["alpha-2"];
// agent.add(cntryn);
if(cntry.length>1)
{
cntryn2=cntry[1]["alpha-2"];
// agent.add(cntryn2);
}
return getJSON('https://coronavirus-tracker-api.herokuapp.com/v2/locations?source=jhu&country_code='+cntryn).then((result)=>{
agent.add('From the latest data available, ');
var i;
if(type.length>=3)
{
agent.add('There are currently '+result.latest.confirmed+' confirmed cases of COVID-19, '+result.latest.deaths+' deaths and '+result.latest.recovered+' recovered cases in '+cntry[0]["name"]+'.');
}
else
{
for(i=0;i<type.length;i++)
{
if(i>=1)
agent.add('In addition,');
switch(type[i])
{
case 'confirmed':
agent.add('There are currently '+result.latest.confirmed+' confirmed cases of COVID-19 in '+cntry[0]["name"]+'.');
break;
case 'deaths':
agent.add('There are currently '+result.latest.deaths+' deaths due to COVID-19 in '+cntry[0]["name"]+'.');
break;
case 'recovered':
agent.add('There are currently '+result.latest.recovered+' recovered cases of COVID-19 in '+cntry[0]["name"]+'.');
break;
default:
agent.add('There are currently '+result.latest.confirmed+' confirmed cases of COVID-19, '+result.latest.deaths+' deaths and '+result.latest.recovered+' recovered cases in '+cntry[0]["name"]+'.');
}
}
}
return getJSON('https://coronavirus-tracker-api.herokuapp.com/v2/locations?source=jhu&country_code='+cntryn2).then((result)=>{
agent.add('And, there are');
var i;
if(type.length>=3)
{
agent.add(+result.latest.confirmed+' confirmed cases, '+result.latest.deaths+' deaths and '+result.latest.recovered+' recovered cases in '+cntry[1]["name"]+'.');
}
else
{
for(i=0;i<type.length;i++)
{
if(i>=1)
agent.add('In addition, there are ');
switch(type[i])
{
case 'confirmed':
agent.add(+result.latest.confirmed+' confirmed cases in '+cntry[1]["name"]+'.');
break;
case 'deaths':
agent.add(+result.latest.deaths+' deaths in '+cntry[1]["name"]+'.');
break;
case 'recovered':
agent.add(+result.latest.recovered+' recovered cases in '+cntry[1]["name"]+'.');
break;
default:
agent.add(+result.latest.confirmed+' confirmed cases, '+result.latest.deaths+' deaths and '+result.latest.recovered+' recovered cases in '+cntry[1]["name"]+'.');
}
}
}
}).catch((error)=>{
console.error(error);
});
}).catch((error)=>{
console.error(error);
});
}
else
{
const cntryn=cntry[0]["alpha-2"];
// agent.add(cntryn);
const endt=time["endDate"];
const startt=time["startDate"];
// agent.add('start '+startt);
// agent.add('end '+endt);
var Difc;
var Difd;
var Difr;
if(startt==undefined&&endt==undefined)
{
// agent.add('Only 1 time available '+time);
var timeMod=time.split("T")[0];
timeMod=timeMod+"T00:00:00Z";
// agent.add('Time modified '+timeMod);
return getJSON('https://coronavirus-tracker-api.herokuapp.com/v2/locations?source=jhu&country_code='+cntryn+'&timelines=true').then((result)=>{
const StartValc = result.locations[0].timelines["confirmed"].timeline[timeMod];
// agent.add('Start Value is '+StartValc);
var EndValc = result.latest.confirmed;
// agent.add('End Value is '+EndValc);
// if(StartValc==undefined)
// {
// agent.add('I am sorry, the date you have asked for is not available. Could you be a little more specific? Adding the year or words like "last" would help.');
// }
Difc=EndValc-StartValc;
// agent.add('There were a total of '+Difc+' new cases in that time period');
const StartVald = result.locations[0].timelines["deaths"].timeline[timeMod];
// agent.add('Start Value is '+StartVald);
var EndVald = result.latest.deaths;
// agent.add('End Value is '+EndVald);
Difd=EndVald-StartVald;
// agent.add('There were a total of '+Difd+' new deaths in that time period');
Difr = 0;
if(StartVald==undefined || StartValc==undefined)
{
agent.add('I am sorry, the date you have asked for is not available. Could you be a little more specific? Adding the year or words like "last" would help.');
}
else
{
agent.add('From the latest data available, ');
var i;
if(type.length>=3)
{
agent.add('There are currently '+Difc+' new cases of COVID-19, '+Difd+' deaths and '+Difr+' recovered cases in '+cntry[0]["name"]+'for the time period you requested.');
}
else
{
for(i=0;i<type.length;i++)
{
if(i>=1)
agent.add('In addition,');
switch(type[i])
{
case 'confirmed':
agent.add('There are currently '+Difc+' new cases of COVID-19 in '+cntry[0]["name"]+' for the time period that you requested.');
break;
case 'deaths':
agent.add('There are currently '+Difd+' deaths due to COVID-19 in '+cntry[0]["name"]+' for the time period that you requested.');
break;
case 'recovered':
agent.add('There are currently '+Difr+' recovered cases of COVID-19 in '+cntry[0]["name"]+' for the time period that you requested.');
break;
default:
agent.add('There are currently '+Difc+' new cases of COVID-19, '+Difd+' deaths and '+Difr+' recovered cases in '+cntry[0]["name"]+' for the time period that you requested.');
}
}
}
}
}).catch((error)=>{
console.error(error);
});
}
else
{
var startmod=startt.split("T")[0];
startmod=startmod+"T00:00:00Z";
// agent.add('start modified '+startmod);
var endmod=endt.split("T")[0];
endmod=endmod+"T00:00:00Z";
// agent.add('start modified '+endmod);
// agent.add(result.locations[0].timelines.confirmed.latest);
// agent.add('In getjson');
return getJSON('https://coronavirus-tracker-api.herokuapp.com/v2/locations?source=jhu&country_code='+cntryn+'&timelines=true').then((result)=>{
const StartValc = result.locations[0].timelines["confirmed"].timeline[startmod];
// agent.add('Start ValueC is '+StartValc);
var EndValc = result.locations[0].timelines["confirmed"].timeline[endmod];
// agent.add('End ValueC is '+EndValc);
if(EndValc==undefined)
{
EndValc = result.latest.confirmed;
// agent.add('End ValueC latest is '+EndValc);
}
Difc=EndValc-StartValc;
const StartVald = result.locations[0].timelines["deaths"].timeline[startmod];
// agent.add('Start ValueD is '+StartVald);
var EndVald = result.locations[0].timelines["deaths"].timeline[endmod];
// agent.add('End ValueD is '+EndVald);
// if(StartVald==undefined)
// {
// agent.add('I am sorry, the date you have asked for is not available. Could you be a little more specific? Adding the year or words like "last" would help.');
// }
if(EndVald==undefined)
{
EndVald = result.latest.deaths;
// agent.add('End ValueD latest is '+EndVald);
}
Difd=EndVald-StartVald;
// agent.add('There were a total of '+Difd+' new deaths in that time period');
Difr = 0;
if(StartValc==undefined)
{
agent.add('I am sorry, the date you have asked for is not available. Could you be a little more specific? Adding the year or words like "last" would help.');
}
else
{
agent.add('From the latest data available, ');
var i;
if(type.length>=3)
{
agent.add('There are currently '+Difc+' new cases of COVID-19, '+Difd+' deaths and '+Difr+' recovered cases in '+cntry[0]["name"]+'for that time period.');
}
else
{
for(i=0;i<type.length;i++)
{
if(i>=1)
agent.add('In addition,');
switch(type[i])
{
case 'confirmed':
agent.add('There are currently '+Difc+' new cases of COVID-19 in '+cntry[0]["name"]+' for that time period.');
break;
case 'deaths':
agent.add('There are currently '+Difd+' deaths due to COVID-19 in '+cntry[0]["name"]+' for that time period.');
break;
case 'recovered':
agent.add('There are currently '+Difr+' recovered cases of COVID-19 in '+cntry[0]["name"]+' for that time period.');
break;
default:
agent.add('There are currently '+Difc+' new cases of COVID-19, '+Difd+' deaths and '+Difr+' recovered cases in '+cntry[0]["name"]+' for that time period.');
}
}
}
}
}).catch((error)=>{
console.error(error);
});
}
}
}
else if(cntry=='' && st=='' && cnty=='')
{
agent.add(' Not sure if the location you provided exists. Or I do not have the data for it. Could you please try again?');
}
}
// // Uncomment and edit to make your own intent handler
// // uncomment `intentMap.set('your intent name here', yourFunctionHandler);`
// // below to get this function to be run when a Dialogflow intent is matched
// function yourFunctionHandler(agent) {
// agent.add(`This message is from Dialogflow's Cloud Functions for Firebase editor!`);
// agent.add(new Card({
// title: `Title: this is a card title`,
// imageUrl: 'https://developers.google.com/actions/images/badges/XPM_BADGING_GoogleAssistant_VER.png',
// text: `This is the body text of a card. You can even use line\n breaks and emoji! 💁`,
// buttonText: 'This is a button',
// buttonUrl: 'https://assistant.google.com/'
// })
// );
// agent.add(new Suggestion(`Quick Reply`));
// agent.add(new Suggestion(`Suggestion`));
// agent.setContext({ name: 'weather', lifespan: 2, parameters: { city: 'Rome' }});
// }
// // Uncomment and edit to make your own Google Assistant intent handler
// // uncomment `intentMap.set('your intent name here', googleAssistantHandler);`
// // below to get this function to be run when a Dialogflow intent is matched
// function googleAssistantHandler(agent) {
// let conv = agent.conv(); // Get Actions on Google library conv instance
// conv.ask('Hello from the Actions on Google client library!') // Use Actions on Google library
// agent.add(conv); // Add Actions on Google library responses to your agent's response
// }
// // See https://github.com/dialogflow/fulfillment-actions-library-nodejs
// // for a complete Dialogflow fulfillment library Actions on Google client library v2 integration sample
// Run the proper function handler based on the matched Dialogflow intent name
let intentMap = new Map();
intentMap.set('Default Welcome Intent', welcome);
intentMap.set('Default Fallback Intent', fallback);
intentMap.set('Worldwide Stats', worldStats);
intentMap.set('Location Based Stats', locStats);
// intentMap.set('your intent name here', yourFunctionHandler);
// intentMap.set('your intent name here', googleAssistantHandler);
agent.handleRequest(intentMap);
});