Node js. Doing a get and post request, parsing a json

get-post.js

/*
This code might be useful for writing get and post requests and rendering json files when you are using node js 
*/ 
var request = require('request');
base_url = "" 

function getComplaints(wardName, callback){
  request(base_url+'getComplaints.json?name='+wardName, function (error, response, body) {
    if (!error && response.statusCode == 200) {
      //console.log(body); // Print the google web page.
      var obj = JSON.parse(body);
      //console.log(body.id)
      //console.log(obj)
      //console.log(obj.length);
      //console.log(obj);
      if (obj.length == 0){
        console.log("No complaints found");
      }
      else {
        var output = ""
        //console.log("Check");
        for(var i=0; i < obj.length; i++){
          var Cid = "Complaint id: " + obj[i].id;
          //var status = "Status: " + obj[i].status;
          var title = "Title: " + obj[i].title;
          var description = "Description: " + obj[i].description;
          //var cost = "Estimated Cost: Rs " + obj[i].estimated;
          output += Cid + "<br>" + title + "<br>"  + description + "<br><br>";
        }
      }
      callback(output)
      //console.log(obj[0].id);
    }
  });
}


function uploadFeedback(tender_serial, feedback, callback){
  var url = base_url+'/comments.json'
  var options = {
    method: 'POST',
    body: "comment[body]=" + feedback + "&comment[tender_serial]=" + tender_serial,
    url: url
  }
  request.post(options, function (err, res, body) {
    if (err) {
      console.log('error posting json')
      return
    }
    var headers = res.headers
    var statusCode = res.statusCode
    console.log("body: " + body)
    j = JSON.parse(body)
  })
}