app.js

require("dotenv").config()

// PACKAGES
var express                = require("express"),
    bodyParser             = require("body-parser"),
    mongoose               = require("mongoose"),
    async                  = require("async"),
    nodemailer             = require("nodemailer"),
    flash                  = require("connect-flash"),
    methodOverride         = require("method-override"),
    passport               = require("passport"),
    LocalStrategy          = require("passport-local"),
    FacebookStrategy       = require('passport-facebook'),
    GoogleStrategy         = require("passport-google-oauth20"),
    passportLocalMongoose  = require("passport-local-mongoose"),
    middleware             = require("./middleware"),
    path                   = require("path"),
    favicon                = require('serve-favicon');

var app = express();
var db = require('./database.js');


// MODELS
var User = require("./models/user");
var Note = require("./models/notes");


// ROUTES
var noteRoutes = require("./routes/note"),
    userRoutes = require("./routes/user"),
    indexRoutes = require("./routes/index")

// GENERAL SETTINGS
app.set("view engine", "ejs");
// app.use(express.static(__dirname + "/public"));
app.use(express.static(path.join(__dirname, 'public')));
// app.use(favicon(__dirname + '/public/images/favicon.ico'));
app.use(favicon(path.join(__dirname,'public','images','favicon.ico')));
app.use(methodOverride("_method"));
app.use(flash());


// PASSPORT CONFIGURATION
app.use(require("express-session")({
    secret: "anything",
    resave: true,
    saveUninitialized: true
}));
app.use(passport.initialize());
app.use(passport.session());

passport.use(new LocalStrategy(User.authenticate()));
passport.serializeUser(User.serializeUser());
passport.deserializeUser(User.deserializeUser());

app.use(bodyParser.urlencoded({ extended: true }));
app.use(function(req, res, next){
    res.locals.user = req.user || null;
    res.locals.note = req.note || null;
    res.locals.error = req.flash("error");
    res.locals.success = req.flash("success");
    next();
});

app.use(require('morgan')('combined'));
app.use(require('cookie-parser')());

var StrategyCallback = function (accessToken, refreshToken, profile, cb) {
    process.nextTick(function () {
        // console.log(profile);
        User.findOne({ username: profile.displayName }).exec(function (err, UserFromFacebook) {
            if (err) {
                return cb(err);
            }
            if (UserFromFacebook) {
                return cb(null, UserFromFacebook);
            } else {
                var NewUser = new User();
                // NewUser.firstName = profile.displayName;
                NewUser.username = profile.displayName;
                // NewUser.email = profile.email;
                NewUser.token = accessToken;
                // console.log(NewUser);
                NewUser.save(function (err) {
                    if (err) {
                        console.log(err);
                    }
                })

                return cb(null, NewUser);
            }
        })
    })
}

passport.use(new FacebookStrategy({
    clientID: process.env.FB_CLIENT_ID,
    clientSecret: process.env.FB_CLIENT_SECRET,
    callbackURL: 'http://localhost:3000/login/facebook/return'
}, StrategyCallback));

passport.use(new GoogleStrategy({
    clientID: process.env.GOOGLE_CLIENT_ID,
    clientSecret: process.env.GOOGLE_CLIENT_SECRET,
    callbackURL: "http://localhost:3000/google/auth/callback"
}, StrategyCallback));


// ROUTES
app.use("/", indexRoutes);
app.use("/", userRoutes);
app.use("/", noteRoutes);

app.set('port', process.env.PORT || 3000);
app.listen(app.get('port'), function(){
    console.log('Server listening on port', app.get('port'));
});