explore-services/services/upload/uploadService.js

var express = require("express");
var bodyParser = require("body-parser");
var multer = require("multer");
var app = express();
var cors = require('cors')
app.use(cors());

app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));

app.use(function(req, res, next) {
    res.header("Access-Control-Allow-Origin", "*");
    res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
    next();
});

app.post("/upload", multer({dest: "/home/argirok/projects/openaire/uoa-services-portal/trunk/services/upload/uploads/"}).array("uploads[]", 12), function(req, res) {
  var filepath ="/"+req.files[0].path;
  console.log(req.files[0]);
  if (req.files[0].mimetype != 'text/csv') {
      console.error("No proper file type");
      res.status(500).send(getResponse(500,"No proper file type")) ;
  }else{
    //send file
    res.sendFile(filepath);
  }
  var fs = require('fs');
  fs.stat(filepath, function (err, stats) {
  console.log(stats);//here we got all information of file in stats variable

  if (err) {
      return console.error(err);
  }

  fs.unlink(filepath,function(err){
       if(err) return console.log(err);
       console.log('file deleted successfully');
  });
});

});
app.get('/get/d6bd36a06762e2f0da891f9670fcb2b0', function(req, res) {
  res.sendFile('uploads/d6bd36a06762e2f0da891f9670fcb2b0')
})
var server = app.listen(8000, function() {
    console.log("Listening on port %s...", server.address().port);
});
function getResponse(code, message){
  var response ={};
  response["code"]=code;
  response["message"]=message;
  return response;

}