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Port Errors running node.js application

i cloned an node.js application and , to set up, i did an npm install and npm install -g nodemon , i wanted to run it locally on port 3000, so in my app.js file i added
app.listen(3000, () => console.log('Server running on port 3000!'))
and then i tried to run it by using node app.js but i am getting this errors
this is my app.js file
var express = require('express');
var engine = require('ejs-locals');
var path = require('path');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var fileUpload = require('express-fileupload');
var request = require('request');
var MongoClient = require('mongodb').MongoClient;
var ObjectId = require('mongodb').ObjectID;
var routes = require('./routes/index');
var testgrid = require('./routes/testgrid');
var hsdes_query = require('./routes/hsdes_query');
var find_coverage = require('./routes/find_coverage');
var url = "mongodb://127.0.0.1:27017/onegrid_int";
var config = require('./config');
var app = express();
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.engine('ejs', engine);
app.set('view engine', 'ejs');
// uncomment after placing your favicon in /public
//app.use(favicon(__dirname + '/public/favicon.ico'));
app.use(logger('dev'));
app.use(fileUpload());
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
var manual_ti_payload_template = {
"attributes": [],
"blackList": "string",
"description": "string",
"endDate": "2019-02-03T21:28:12.567Z",
"id": "string",
"itemId": "string",
"key": "string",
"name": "ascii string",
"namespace": "ascii string",
"ownerIdsid": "string",
"planningAttributes": [],
"resources": [],
"resourcesVersions": [],
"startDate": "2019-02-03T21:28:12.567Z",
"type": "manualitem",
"version": 0,
"whiteList": "string"
}
app.post('/updategtaproc', function(req, res){
console.log("updategtaproc", req.body)
var username = "Lab_FMVPOSumit";
var password = "bdzxl12$";
var auth = "Basic " + new Buffer(username + ":" + password).toString("base64");
request.post( {
url : 'http://gta.intel.com/procedures/api/v1/procedures/' + req.body.name,
headers : {
"Authorization" : auth
},
json: {"description": req.body.description, "steps":req.body.steps}
}, function(error, response, body) {
console.log("updategtaproc response",error, body);
res.send(body)
});
});
app.post('/createnupdategtaproc', function(req, res){
console.log("createnupdategtaproc", req.body)
var username = "Lab_FMVPOSumit";
var password = "bdzxl12$";
var auth = "Basic " + new Buffer(username + ":" + password).toString("base64");
var ti_payload = Object.assign({}, manual_ti_payload_template);
ti_payload.name = req.body.expected;
ti_payload.description = req.body.description;
ti_payload.ownerIdsid = username;
ti_payload.namespace = "vtt-gve-gqe"
console.log(ti_payload)
request.post( {
url : 'https://gta.intel.com/api/tp/v1/testitems',
headers : {
"Authorization" : auth
},
json: ti_payload,
}, function(error, response, body) {
console.log("updategtaproc response",error, body);
if (body && body.itemId) {
console.log("Test case created successfully", body.itemId);
var itemId = body.itemId;
request.post( {
url : 'http://gta.intel.com/procedures/api/v1/procedures/' + body.itemId,
headers : {
"Authorization" : auth
},
json: {"description": req.body.description, "steps":req.body.steps}
}, function(error, response, body) {
console.log("updategtaproc response",error, body);
console.log("Test Procedure Uploaded Successfully");
body['itemId'] = itemId
res.send(body)
});
} else {
console.log("Failed to Create Test Case");
res.send({"message":"Failed To Create Test Case"})
}
});
});
app.post('/getgriditems/:id', function(req, res){
MongoClient.connect(url, function(err, db) {
if(err){
console.log('onegrid_int//getgriditems/:id unable to connect to mongodb')
}
else
{
var collection_name = (req.params.id).toLowerCase() + "-" + "griditems"
var collection = db.collection(collection_name);
var objectIdArr = [];
for (var key in req.body) {
if (req.body.hasOwnProperty(key)) {
item = req.body[key];
try {
objectIdArr.push(ObjectId(String(item)));
}
catch (err)
{
// Invalid Object ID
}
}
}
collection.find({"_id" : {"$in" : objectIdArr }}).toArray(function(err, griditems) {
if(err)
{
console.log('onegrid//getgriditems/:id unable to get grid items')
}
else
{
var paths = []
for ( var r in griditems){
//console.log('path :', result[r]['path'])
paths.push(griditems[r]['path'].join(",") + ',' + griditems[r]['testItem']['itemId'])
}
console.log("paths", paths)
var global_result_collection = db.collection("onegrid-global-results");
global_result_collection.find({"full_path" : {"$in" : paths }}).toArray(function(err, results) {
if(err)
{
console.log('onegrid//getgriditems/:id unable to get test results')
}
else
{
var metadata = {}
metadata['griditems'] = griditems
metadata['results'] = results
console.log("test_results", results)
res.send(metadata);
db.close();
}
});
}
});
}
});
});
app.post('/get_all_tags', function(req, res){
MongoClient.connect(url, function(err, db) {
if(err){
console.log('onegrid/manual_tests/unable to connect to mongodb')
}
else
{
var collection = db.collection('user_tags');
collection.find().toArray(function(err, tags) {
if(err)
{
console.log('onegrid/manual_tests/error getting documents from collection')
}
else
{
var tag_type_ar = tags.map(a => a.type_tag);
//console.log('onegrid/manual_tests/number_of_docs/', tests.length)
//console.log('onegrid/manual_tests/tags/', tags_name)
res.send(tag_type_ar);
db.close();
}
});
}
});
});
app.post('/getsettags', function(req, res){
//console.log('body: ' + JSON.stringify(req.body));
var url = "mongodb://127.0.0.1:27017/onegrid";
MongoClient.connect(url, function(err, db) {
if(err){
console.log('onegrid/getsettags/unable to connect to mongodb')
}
else
{
var objectId = ObjectId(req.body.id);
var collection = db.collection('gve_manual_testitems');
if(req.body.op == 'set_add') {
collection.findOne({ _id : objectId }, function(err, result) {
if(err)
{
console.log('onegrid/getsettags/set/unable to get test item id', objectId)
}
else
{
//console.log('onegrid/getsettags/set/test item id current tag value', result['tags'])
if(result['tags'] && result['tags'].indexOf(req.body.newtag) != -1) {
res.send(result);
db.close();
}
else {
if(result['tags'])
{
result['tags'].push(req.body.newtag)
}
else
{
result['tags'] = [req.body.newtag];
}
collection.updateOne({ _id : objectId }, { $set: { "tags" : result['tags'] } }, function(err, result) {
if(err)
{
console.log('onegrid/getsettags/set/unable to set tags')
}
else
{
console.log('tags added successfully to test item');
var test_tags = result;
if(!req.body.skip_tag_source_update) {
var user_tags = db.collection('user_tags');
var type_tag = req.body.newtag;
var type = req.body.newtag.split(":")[0]
var tag = req.body.newtag.split(":")[1]
var tag_obj = {'type':type, 'tag': tag, 'type_tag' : type_tag}
user_tags.insertOne(tag_obj, function(err, result) {
if(err)
{
console.log('onegrid/getsettags/set unable to add to user tag')
}
else
{
console.log('tags added to user_tags')
res.send(test_tags);
db.close();
}
});
}
else
{
res.send(test_tags);
db.close();
}
//var newtag = req.body.newtag;
//var tag_type = newtag.split(":")[0];
//var tag_name = newtag.split(":")[1];
//console.log(tag_type,tag_name)
}
});
}
}
});
}
if(req.body.op == 'set_remove') {
collection.findOne({ _id : objectId }, function(err, result) {
if(err)
{
console.log('onegrid/getsettags/set/unable to get test item id', objectId)
}
else
{
//console.log('onegrid/getsettags/set/test item id current tag value', result['tags'])
result['tags'].splice(result['tags'].indexOf(req.body.newtag),1);
//console.log('onegrid/getsettags/set/test item id current tag value', result['tags'])
collection.updateOne({ _id : objectId }, { $set: { "tags" : result['tags'] } }, function(err, result) {
if(err)
{
console.log('onegrid/getsettags/set/unable to set tags')
}
else
{
console.log('tags removed successfully')
//collection = db.collection('user_tags');
//var newtag = req.body.newtag;
//var tag_type = newtag.split(":")[0];
//var tag_name = newtag.split(":")[1];
//console.log(tag_type,tag_name)
res.send(result);
db.close();
}
});
}
});
}
if(req.body.op == 'get') {
collection.findOne({ _id : objectId }, function(err, result) {
if(err)
{
console.log('onegrid/manual_tests/unable to get tags')
}
else
{
//console.log('tags retrieved successfully ', result['tags'])
if(result['tags'])
res.send(result['tags'].join(","));
else
res.send("");
db.close();
}
});
}
}
});
});
app.post('/gettestprocs/:id', function(req, res){
console.log('gettestprocs body: ' + (req.body.itemId));
//var url = "mongodb://127.0.0.1:27017/og1";
MongoClient.connect(url, function(err, db) {
if(err){
console.log('onegrid/manual_tests/unable to connect to mongodb')
}
else
{
var collection_name = (req.params.id).toLowerCase() + "-" + "testprocs"
var collection = db.collection(collection_name);
collection.findOne({ "id" : req.body.itemId },function(err, result) {
if(err)
{
console.log('onegrid/manual_tests/unable to get tags')
}
else
{
console.log('test proc:', result)
res.send(result);
db.close();
}
});
}
});
});
app.post('/gettestprocsbyitemid', function(req, res){
//console.log('gettestprocs body: ' + (req.body));
var url = "mongodb://127.0.0.1:27017/onegrid_int";
MongoClient.connect(url, function(err, db) {
if(err){
console.log('onegrid/manual_tests/unable to connect to mongodb')
}
else
{
console.log(req.body)
/*if(String(req.body.grid_type) == "MANUAL"){
collection_name = "n_gve_manual_testprocs"
} else if(String(req.body.grid_type) == "OLD_MANUAL") {
collection_name = "gve_manual_testprocs"
} else if(String(req.body.grid_type) == "SURFACE") {
collection_name = "gve_surface_testprocs"
}
else if(String(req.body.grid_type) == "AUTO") {
}*/
//var tp = testplans.filter(function(x){return x.itemId == req.params.id})[0];
var collection_name = (req.body.testplan_id).toLowerCase() + "-" + "testprocs"
var collection = db.collection(collection_name);
collection.findOne({"id" : String(req.body.proc_id) },function(err, result) {
if(err)
{
console.log('onegrid/manual_tests/unable to get tags')
}
else
{
console.log('test proc:', result)
res.send(result);
db.close();
}
});
}
});
});
app.use('/', routes);
app.use('/testgrid', testgrid);
app.use('/hsdes_query', hsdes_query);
app.use('/find_coverage', find_coverage);
// catch 404 and forward to error handler
app.use(function(req, res, next) {
var err = new Error('Not Found');
err.status = 404;
next(err);
});
// error handlers
// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
app.use(function(err, req, res, next) {
res.status(err.status || 500);
res.render('error', {
message: err.message,
error: err
});
});
}
// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
res.status(err.status || 500);
res.render('error', {
message: err.message,
error: {}
});
});
app.listen(3000, () => console.log('Server running on port 3000!'))
module.exports = app;
another app.js in C:\projects\New Project\onegrid\web\node_modules\ejs-locals\example
var express = require('express')
, engine = require('../')
, app = express();
// use ejs-locals for all ejs templates:
app.engine('ejs', engine);
app.set('views',__dirname + '/views');
app.set('view engine', 'ejs'); // so you can render('index')
// render 'index' into 'boilerplate':
app.get('/',function(req,res,next){
res.render('index', { what: 'best', who: 'me', muppets: [ 'Kermit', 'Fozzie', 'Gonzo' ] });
});
app.get('/foo.js', function(req,res,next){
res.sendfile('foo.js');
})
app.get('/foo.css', function(req,res,next){
res.sendfile('foo.css');
})
app.listen(3000);
what am i doing wrong , i just want to run it on localhost 3000. ?

Your terminal shows you running node server.js but your file is called app.js.

Node.js Express POST call not working although GET does

I am trying to write a REST backend using Node.js, express and MongoDB but am having some issues creating PUT calls for some reason. The issue is with app.post('/contacts/add', contacts.addContacts) as it works fine if I change it to GET but when I change it to either PUT or POST I get the error Cannot GET /contacts/add Any ideas?
I am using express 4.15.3, mongodb 3.4.5 and npm 4.2.0
server.js:
var express = require('express'),
contacts = require('./routes/contacts');
bodyParser = require('body-parser');
var app = express();
app.use(bodyParser.urlencoded({extended: true}));
app.use(bodyParser.json());
app.get('/contacts/chalkboard/:id', contacts.getChalkboardContacts);
app.get('/contacts/get/:uid', contacts.getContacts);
app.post('/contacts/add', contacts.addContacts);
app.listen(3000);
console.log('Listening on port 3000...');
contacts.js
var mongo = require('mongodb');
mongo.BSONPure = require('bson').BSONPure;
var Server = mongo.Server,
Db = mongo.Db,
BSON = mongo.BSONPure;
var server = new Server('localhost', 27017, {auto_reconnect: true});
db = new Db('db', server);
db.open(function(err, db) {
if(!err) {
console.log("Connected to database");
db.collection('contacts', {strict:true}, function(err, collection) {
if (err) {
console.log("The 'contacts' collection doesn't exist. Creating it with sample data...");
populateDB();
}
});
}
});
exports.getChalkboardContacts = function(req, res) {
var uid = req.params.uid.toString();
var date = new Date();
var timeInMs = date.getMilliseconds();
console.log(uid);
db.collection('contacts', function(err, collection) {
console.log('collection: ' + collection);
collection.find({uid: uid, lastMessage: {$gte: timeInMs}}).toArray(function(err, items) {
res.send(items);
});
});
};
exports.getContacts = function(req, res) {
var uid = req.params.uid.toString();
console.log(uid);
db.collection('contacts', function(err, collection) {
console.log('collection: ' + collection);
collection.find({uid: uid}).toArray(function(err, items) {
res.send(items);
});
});
};
exports.addContacts = function(req, res) {
console.log('working');
db.collection('contacts', function(err, collection) {
var id = "592159bc3e48764418170399";
var contact = {uid: "592159bc3e48764418173333",
keyUid: "592159bc3e48764418171444",
name: "Billy Jean",
phoneNumber: "+491721894733",
battery: "47%", longitude: "0",
latitude: "0",
city: "city",
country: "country",
place: "place",
address: "address",
lastMessage: "lastMessage",
lastUpdated: "lastUpdated"};
collection.update({'uid':id}, {$push:{'contacts':contact}}, function(err, result) {
if (err) {
console.log('Error updating contact: ' + err);
res.send({'error':'An error has occurred'});
} else {
console.log('' + result + ' document(s) updated');
res.send(result);
}
});
});
};

I didn't spot anything immediately wrong with the code.
You might be falling into a very common pitfall when using body-parser for JSON. Your request must specify Content-Type: application/json in the request for the parser to parse it. Otherwise, it won't work.
If that doesn't do the trick, if you can share any error messages or response codes you get, it may illuminate another issue.

Unable to retrieve data from API using Express NodeJS and MongoDB, loading

I'm attempting to create a Rest API using Node.js, Express, and MongoDB. I am currently running on my local host :3000. When I try to restart and run the server I am using the route http://localhost:3000/drinks
I use Postman to send HTTP requests.
https://chrome.google.com/webstore/detail/postman/fhbjgbiflinjbdggehcddcbncdddomop?hl=en
While trying to send the route above, it does not retrieve any information. It just continues load.
This is my first time creating a REST API and I'm not sure why it isn't retrieving the data. Attached below is my code. Thanks in advance!
server.js
var express = require('express'),
drink = require('./routes/drinks');
var app = express();
app.configure(function () {
app.use(express.logger('dev')); /* 'default', 'short', 'tiny', 'dev' */
app.use(express.bodyParser());
});
app.get('/drinks', drink.findAll);
app.get('/drinks/:id', drink.findById);
app.listen(3000);
console.log('Listening on port 3000...');
drinks.js
var mongo = require('mongodb');
var Server = mongo.Server,
Db = mongo.Db,
BSON = mongo.BSONPure;
var server = new Server('localhost', 27017, {auto_reconnect: true});
db = new Db('drinkdb', server);
db.open(function(err, db) {
if(!err) {
console.log("Connected to 'drinkdb' database");
db.collection('drinks', {strict:true}, function(err, collection) {
if (err) {
console.log("The 'drinks' collection doesn't exist. Creating it with sample data...");
populateDB();
}
});
}
});
exports.findById = function(req, res) {
var id = req.params.id;
console.log('Retrieving drink: ' + id);
db.collection('drinks', function(err, collection) {
collection.findOne({'_id':new BSON.ObjectID(id)}, function(err, item) {
res.send(item);
});
});
};
exports.findAll = function(req, res) {
db.collection('drinks', function(err, collection) {
collection.find().toArray(function(err, drinks) {
res.send(drinks);
});
});
};
/*---------------------------------------------------------------------------------------------------------------*/
// Populate database with sample data -- Only used once: the first time the application is started.
// You'd typically not find this code in a real-life app, since the database would already exist.
var populateDB = function() {
var drinks = [
{
id: "1",
name: "Margarita",
ingredients: ["Tequila","Lime juice","Triple Sec","Lime","Salt","Ice"],
measurements: ["2 oz","1 oz","1 oz","1","optional","optional"],
directions: "Shake the other ingredients with ice, then carefully pour into the glass. Served: On the roc\
ks; poured over ice. Optional: Salt the rim of the glass by rubbing lime on it so it sticks."
},
{
id: "2",
name: "Strawberry Margarita",
ingredients: ["Tequila", "Lime juice","Triple Sec","Strawberries","Lime","Salt", "Ice"],
measurements: ["2 oz","1 oz", "1 oz", "3 1/2 cups", "1", "optional", "optional"],
directions: "Combine strawberries, ice, tequila, lime juice, and triple sec in a blender, and process unt\
il the mixture is smooth. Carefully pour into the glass. Served: On the rocks; poured over ice. Optional: Salt the ri\
m of the glass by rubbing lime on it so it sticks."
}];
db.collection('drinks', function(err, collection) {
collection.insert(drinks, {safe:true}, function(err, result) {});
});
};
Warnings are:
express deprecated app.configure: Check app.get('env') in an if statement server.js:6:5
connect deprecated multipart: use parser (multiparty, busboy, formidable) npm module instead node_modules/express/node_modules/connect/lib/middleware/bodyParser.js:56:20
connect deprecated limit: Restrict request size at location of read node_modules/express/node_modules/connect/lib/middleware/multipart.js:86:15

I think Ashley is on the right track. But to make it more clear where the problem is happening try using this as a guide:
http://expressjs.com/en/guide/routing.html
app.get('/drinks', function (req, res) {
drink.findAll(req, res);
});
Then you can add logging in between this call and in your findAll function.

Your models (drinks.js) accept two parameters (req & res) but on your route you don't pass in any parameters.
Try the following:
app.get('/drinks', function(req, res) {
drink.findAll(req, res);
});
app.get('/drinks/:id', function(req, res){
drink.findById(req, res);
});
Alternatively, you could achieve the same with a callback based structure:
server.js
...
app.get('/drinks', function(req, res) {
drink.findAll(function(err, drinks){
res.send(drinks)
});
});
...
drinks.js
...
exports.findAll = function(callback) {
db.collection('drinks', function(err, collection) {
collection.find().toArray(function(err, drinks) {
callback(err, drinks)
});
});
};
(error handling required)
...

Matching mail and pass in mongodb node js

So, I'm new to all this and was developing a login and registration page. I can easily save the data to the database while registering through registration page, but the problem is I don't know what to do during login page. What type of statements do I have to use to match the entered email address with the email addresses of each document in the "employee" collection, and then check if the password is correctly entered.
Here is my express file main.js:
var express = require("express");
var app = express();
var connection = require("../connection");
module.exports = function(app){
app.get('/', function(req, res){
res.render("login.html");
});
app.get('/adduser', function(req, res){
res.render("login.html");
var name = req.param('name');
var email = req.param('email');
var employeeid = req.param('employeeid');
var password = req.param('password');
var position='';
var joining_date= '';
var active= 'Y';
console.log("Name: " + name + " Email: " + email + "Employee id: " +employeeid);
connection.add(name,email,employeeid,password,position,joining_date,active);
});
//CHECKING IF MAIL AND PASSWORD MATCHES
app.get('/checkuser', function(req, res){
var email = req.param('email');
var password = req.param('password');
console.log(" Email: " + email);
connection.check(email,password);
});
And this is the connection file, connection.js:
var add=function(uname,uemail,uemployeeid,upassword,uposition,ujoining_date,uactive) {
var mongodb = require('mongodb');
var MongoClient = mongodb.MongoClient;
var url = 'mongodb://localhost:27017/HippoFeedo';
MongoClient.connect(url, function (err, db) {
if (err) {
console.log('Unable to connect to the mongoDB server. Error:', err);
}
else {
console.log('Connection established to', url);
// Get the documents collection
var collection = db.collection('employees');
//Create some users
var data = {name:uname,email:uemail,employeeid:uemployeeid,password:upassword,position:uposition,joining_date:ujoining_date,active:uactive };
/* var user2 = {name: 'modulus user', age: 22, roles: ['user']};
var user3 = {name: 'modulus super admin', age: 92, roles: ['super-admin', 'admin', 'moderator', 'user']};*/
// Insert some users
collection.insert(data, function (err, result) {
if (err) {
console.log(err);
} else {
console.log('Inserted %d documents into the "employees" collection. The documents inserted with "_id" are:', result.length, result);
}
db.close();
});
}
});
} //NOW CHECKING IF ENTERED EMAIL AND PASS MATCHES OR EMAIL EXISTS???
var check= function(uemail,upassword)
{
var mongodb = require('mongodb');
var MongoClient = mongodb.MongoClient;
var url = 'mongodb://localhost:27017/HippoFeedo';
MongoClient.connect(url, function (err, db) {
if (err) {
console.log('Unable to connect to the mongoDB server. Error:', err);
}
else {
console.log('Connection established to', url);
var collection = db.collection('employees');
collection.findOne({uemail:uemail}, function(err,doc){ //I HAVE NO IDEA WHAT TO DO HERE??
if(err) throw err;
if(doc)
console.log("Found: "+uemail+", pass=");
else
console.log("Not found: "+uemail);
db.close();
});
}
});
}
module.exports.add=add;
module.exports.check=check;
EDITED: THE FIX FOR THE ABOVE PROBLEM IS PROVIDED BY GMANIC BELOW..

Here is the fix, you are trying to match on uemail but you saved it as email. You could even take it a step further and match on the password at the same time.
exports.check = function(uemail, upassword)
{
var mongodb = require('mongodb');
var MongoClient = mongodb.MongoClient;
var url = 'mongodb://localhost:27017/HippoFeedo';
MongoClient.connect(url, function (err, db) {
if (err) {
console.log('Unable to connect to the mongoDB server. Error:', err);
}
else {
console.log('Connection established to', url);
var collection = db.collection('employees');
collection.findOne({ email: uemail, password: upassword }, function(err, doc){
if(err) throw err;
if(doc) {
console.log("Found: " + uemail + ", pass=" + upassword);
} else {
console.log("Not found: " + uemail);
}
db.close();
});
}
});
}
There are some best practices that you should add in, but to answer your question this should work.

Why I get a null or [ ] response from my server.js file?

I have been doing an example based on the TV showTracker and So far I couldn't get any shows into my website. I have been trying so hard to whether I have made a mistake but I still couldn't find anything. So How to I retrieve these information. I have stared this server.js and mongod in separate CMDs and gulp in another CMD I still couldn't get any of the shows. When I see the responses it will show a blank array "[]" like this. So any advice? Help would be most appreciated. (I have host the website yet, thought this would help also to my question). The error in the net debugger says api/shows/ - response = [ ]
Here is my server.jsrespone
var mongoose = require('mongoose');
var bcrypt = require('bcryptjs');
var express = require('express');
var path = require('path');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var session = require('express-session');
var passport = require('passport');
var LocalStrategy = require('passport-local').Strategy;
var showSchema = new mongoose.Schema({
_id: Number,
name: String,
airsDayOfWeek: String,
airsTime: String,
firstAired: Date,
genre: [String],
network: String,
overview: String,
rating: Number,
ratingCount: Number,
status: String,
poster: String,
subscribers: [{
type: mongoose.Schema.Types.ObjectId, ref: 'User'
}],
episodes: [{
season: Number,
episodeNumber: Number,
episodeName: String,
firstAired: Date,
overview: String
}]
});
var userSchema = new mongoose.Schema(
{
email: { type: String, unique: true },
password: String
});
userSchema.pre('save', function (next) {
var user = this;
if (!user.isModified('password')) return next();
bcrypt.genSalt(10, function (err, salt) {
if (err) return next(err);
bcrypt.hash(user.password, salt, function (err, hash) {
if (err) return next(err);
user.password = hash;
next();
});
});
});
userSchema.methods.comparePassword = function (candidatePassword, cb) {
bcrypt.compare(candidatePassword, this.password, function (err, isMatch) {
if (err) return cb(err);
cb(null, isMatch);
});
}
var User = mongoose.model('User', userSchema);
var Show = mongoose.model('Show', showSchema);
mongoose.connect('localhost');
var app = express();
app.set('port', process.env.PORT || 3000);
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(session({ secret: 'keyboard cat' }));
app.use(passport.initialize());
app.use(passport.session());
app.use(express.static(path.join(__dirname, 'public')));
app.listen(app.get('port'), function () {
console.log('Express server listening on port ' + app.get('port'));
});
app.get('/api/shows', function (req, res, next) {
var query = Show.find();
if (req.query.genre) {
query.where({ genre: req.query.genre });
} else if (req.query.alphabet) {
query.where({ name: new RegExp('^' + '[' + req.query.alphabet + ']', 'i') });
} else {
query.limit(12);
}
query.exec(function (err, shows) {
if (err) return next(err);
res.send(shows);
});
});
app.get('/api/shows/:id', function (req, res, next) {
Show.findById(req.params.id, function (err, show) {
if (err) return next(err);
res.send(show);
});
});
app.post('/api/shows', function (req, res, next) {
var apiKey = 'E36B52F7E036AFF3';
var seriesName = req.body.showName
.toLowerCase()
.replace(/ /g, '_')
.replace(/[^\w-]+/g, '');
var parser = xml2js.Parser({
explicitArray: false,
normalizeTags: true
});
async.waterfall([
function (callback) {
request.get('http://thetvdb.com/api/GetSeries.php?seriesname=' + seriesName, function (error, response, body) {
if (error) return next(error);
parser.parseString(body, function (err, result) {
if (!result.data.series) {
return res.send(404, { message: req.body.showName + ' was not found.' });
}
var seriesId = result.data.series.seriesid || result.data.series[0].seriesid;
callback(err, seriesId);
});
});
},
function (seriesId, callback) {
request.get('http://thetvdb.com/api' + apiKey + '/series/' + seriesId + '/all/en.xml', function (error, response, body) {
if (error) return next(error);
parser.parseString(body, function (err, result) {
var series = result.data.series;
var episodes = result.data.episode;
var show = new Show({
_id: series.id,
name: series.seriesname,
airsDayOfWeek: series.airs_dayofweek,
airsTime: series.airs_time,
firstAired: series.firstaired,
genre: series.genre.split('|').filter(Boolean),
network: series.network,
overview: series.overview,
rating: series.rating,
ratingCount: series.ratingcount,
runtime: series.runtime,
status: series.status,
poster: series.poster,
episodes: []
});
_.each(episodes, function (episode) {
show.episodes.push({
season: episode.seasonnumber,
episodeNumber: episode.episodenumber,
episodeName: episode.episodename,
firstAired: episode.firstaired,
overview: episode.overview
});
});
callback(err, show);
});
});
},
function (show, callback) {
var url = 'http://thetvdb.com/banners/' + show.poster;
request({ url: url, encoding: null }, function (error, response, body) {
show.poster = 'data:' + response.headers['content-type'] + ';base64,' + body.toString('base64');
callback(error, show);
});
}
], function (err, show) {
if (err) return next(err);
show.save(function (err) {
if (err) {
if (err.code == 11000) {
return res.send(409, { message: show.name + ' already exists.' });
}
return next(err);
}
res.send(200);
});
});
});
function ensureAuthenticated(req, res, next) {
if (req.isAuthenticated()) next();
else res.send(401);
};
app.use(function (req, res, next) {
if (req.user) {
res.cookie('user', JSON.stringify(req.user));
}
next();
});
app.get('*', function (req, res) {
res.redirect('/#' + req.originalUrl);
})
app.use(function (err, req, res, next) {
console.error(err.stack);
res.send(500, { message: err.message });
});

Change var query = Show.find(); in /api/shows to
var query = Show.find(function(err, showdata){
// all the checking and the res.send(shows) goes here
})
Just wait for data and do all the operation(asynchronous)

OK Guys, I finally found the answer to the question. It's nothing wrong with the script (server.js). It is because I think it cannot hold the data in the database ('localhost:27017/test'). That is why maybe I'm getting a null response from the TVDB API. Once I changed my database and connect strings to (
'mongodb://nixsiow:abcd1234#ds027479.mongolab.com:27479/nixshowtrackrapp'
, It worked like a charm.
So maybe my answer may not explain this properly, or you can look for more details in stack overflow. Thanks for the help guys. I hope that this will help who try to do this tutorial and get stuck on this step.
So final Answer:
mongoose.connect('mongodb://nixsiow:abcd1234#ds027479.mongolab.com:27479/nixshowtrackrapp');
var agenda = require('agenda')({ db: { address: 'mongodb://nixsiow:abcd1234#ds027479.mongolab.com:27479/nixshowtrackrapp' } });
Also Nixsow's website may have a help, it is the most recent update that I found for this tutorial.