Odtnhj

I run my nodeserver.js file to start NodeJS application of my project. I want to invoke file-uploader.controller.js file as soon as the my angular (front-end ) uploads a file.
Here i think we can pass a function inside -

app.post("/upload", upload.array("uploads", 12), function (req, res) 

//code

controller.js is a 700 line code. So i want it in a separate file.
Please help.

projectserver.js

// Server definitions

var express = require('express');
var cors = require('cors');
var bodyParser = require('body-parser');
const neo4j = require('neo4j-driver').v1;


var restify = require('restify');
var expressJwt = require('express-jwt');
var session = require('express-session');
var config = require('./config.json')
var app = express();
var router = express.Router();
module.exports = router;

app.use(restify.plugins.bodyParser());

app.use(bodyParser.urlencoded( extended: false ));

app.use(bodyParser.json());
// app.use(express.bodyParser());
app.use(bodyParser.json( type: 'application/vnd.api+json' ))

app.use(cors());

app.use(session( secret: config.secret, resave: false, saveUninitialized: true ));


// ----------------- File Uploader code -------------------------

var express = require('express');
var multer = require('multer');
var path = require('path');
var app = express();
var mkdirp = require('mkdirp')
var port = 3003;

app.use(express.static(path.join(__dirname, 'uploads')));
// headers and content type
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();
);


var storage = multer.diskStorage(

 destination: function (req, file, cb) 

 var dir = './uploads/';
 mkdirp(dir, function (err) 
 if (err) 
 console.error(err);
 
 // move cb to here
 cb(null, dir);
 );
 ,
 filename: function (req, file, cb) 
 cb(null, file.originalname);
 

);
var upload = multer( storage: storage );


app.post("/upload", upload.array("uploads", 12), function (req, res) 

 fileName = req.files[0].filename;

 console.log("global variable FileName = ", fileName)

 console.log('files', req.files);
 console.log("request filename = ",req.files[0].filename );
 res.send(req.files);
);


var server = app.listen(port, function () 
 console.log("Listening on port %s...", port);
);

file-uploader.controller.js

const express = require('express');
const yaml = require('js-yaml');
const app = express();
var router = express.Router();
const configFile = require('./config.json');
const port = 3000

var filename = fileName;



// --------------- File upload code till above -------------------

var orgName = organization.toLowerCase();
var dep = department.toLowerCase();

var cypher0 = "CREATE (" + orgName + ":Organization name:"" + organization + "")";
var constraint = "CREATE CONSTRAINT ON (n:Organization) ASSERT n.name IS UNIQUE";


org = [cypher0, constraint];

const indentedJson = "";


const fs = require('fs');

app.get('/', (request, response) => 
 response.send("renewalQuote")
)

app.listen(port, (err) => 
 if (err) 
 return console.log('something bad happened', err)
 
);


var config;
try 
 function safeLoader(callback) 

 config = yaml.safeLoad(fs.readFileSync(filename, 'utf8'));
 callback(config);
 
 safeLoader(callback);




 catch (e) 
 console.log(e);



// more code

You can export a class in file-uploader.controller.js, and then, in projectserver.js require it, and use it.

A simple example:

// file-uploader.controller.js

class uploader 
 async run() 
 // todo something
 


// projectserver.js
const Uploader = require('./file-uploader.controller');
app.post("/upload", upload.array("uploads", 12), function (req, res) 
 await Uploader.run();
);