app.js

const express = require("express");

const bodyParser = require("body-parser");
const request = require("request");
const https = require("https");

const app= express();
app.use(bodyParser.urlencoded({extended:true}));

app.use(express.static("public"));

app.get("/",function(req,res){

  res.sendFile(__dirname+"/signup.html")
});

app.post("/",function(req,res){
  const firstName = req.body.fName;
  const lastName = req.body.lName;
  const email = req.body.email;

  const data = {
    members:[
      {
        email_address : email,
        status : "subscribed",
        merge_fields:{
          FNAME : firstName,
          LNAME : lastName
        }
      }
    ]
  };

  const jsonData = JSON.stringify(data);

  const url= "https://us20.api.mailchimp.com/3.0/lists/{list_id}";
  const options ={
    method: "POST",
    auth : "iniyan:{apikey}"
  }

  const request = https.request(url,options, function(response){

    if(response.statusCode === 200)
    {
      res.sendFile(__dirname + "/success.html");
    }
    else{
      res.sendFile(__dirname + "/failure.html");

    }

    response.on("data", function(data){
      console.log(JSON.parse(data));
    });

  });
  request.write(jsonData);
  request.end();




});

app.post("/failure",function(req,res){
  res.redirect("/");
});




app.listen(process.env.PORT || 3000, function(){
  console.log("Server is running at port 3000");
});