server.js

var express = require('express');
var path = require('path')
var formidable = require('formidable')
// create an express app
var app = express();
var bodyParser= require('body-parser')
var upload= require('express-fileupload')
var fs = require('fs')
var PDF= require('pdfkit')
var blobStream=require('blob-stream')
var pdfMake = require('pdfmake/build/pdfmake.js');
const hellosign = require('hellosign-sdk')({key:'5f97fffcbcd59c017529de7064ac2bb37319d593cb99100e4d430dd48cc0a985'});
app.use(bodyParser.json())
app.use(upload())

// create an express route for the home page
// http://localhost:8080/
app.get('/', function(req, res) {
res.sendFile('index.html',{root:path.join(__dirname)});
});
app.post('/users', function(req, res) {
    let doc= new PDF();
    let x =0;
 // var dd;
 doc.pipe(fs.createWriteStream(`pdfs/${req.body.bioFileName}.pdf`))
 if(req.files){
    
    var file=req.files.filestoup

    if (file.length !== 0) {
      
        // doc.image('./images/bang.jpg',156,30,{width:300,height:200,align:'center',valign:'center'})
        // doc.addPage()
        //     let doc = new PDF();
   var textfromclient =req.body.agree
   // doc.pipe(fs.createWriteStream(`pdfs/sub.pdf`))
    doc.image('./images/digi.jpeg', 156, 30, { width: 300, height: 100, align: 'center', valign: 'center' })
    .moveDown(1.5)    
    .fontSize(35)
        .text('Description',40,170, { underline: true, margin:{left:70,right:70}})
        .moveDown(0.5)
        .fontSize(20)
        .text(textfromclient,{align:'justify'})
        .moveDown(1.5)
        .text('Plzz Scroll Down to view site images')
        .addPage()
        file.forEach(function (fila, index) {
            var filename = fila.name
            fila.mv('./images/' + filename, function (err) {
                
                if (err) {
                    res.send('error')
                } else {
                    //      doc.image('images/'+filename,x,y, {fit: [100, 100]})
                    //    .rect(320, 15, 100, 100)
                    //    .stroke()
                    //    .text('Fit', 320, 0)

                        doc.image('./images/' + fila.name,0,0,{width:612,height:792})
                        if(index<file.length-1)
                        {
                         doc.addPage()
                        }
                        if (index === file.length-1) {
                            doc.end()
                            res.send("DONE")
                        }
                }
            })
        })

    }
hellosign.account.get().then((resp) => {
   console.log(resp)
  }).catch((err) => {
console.log(err)
  });
//}
const opts = {
    test_mode: 1,
    title: req.body.title,
    subject: req.body.subject,
    message: req.body.message,
    signers: [
      {
        email_address:req.body.SignReqto,
        name: 'Me'
      }
    ],
    files: ['./pdfs/'+req.body.bioFileName+'.pdf']
  };
  
  setTimeout(()=>{
    hellosign.signatureRequest.send(opts).then((resp) => {
        console.log(resp)
      }).catch((err) => {
        // handle error
      },500);
  })
  
}
})
//start the server on port 8080
app.listen(8080)
// send a message
console.log('Server has started!');