app.js

var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
// var flash = require('connect-flash');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var mongoose = require('mongoose');
var passport = require('passport');
var LocalStrategy = require('passport-local');
var User = require('./models/userModel');
var config = require('./config');
var flash = require('connect-flash');

var index = require('./routes/index');
var camps = require('./routes/camps');
var users = require('./routes/users');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

app.use(cookieParser());
app.use(flash());


// Passport Configuration
app.use(require('cookie-session')({
  secret: "This is the yelpCamp example",
  resave: false,
  saveUninitialized: false
}));
app.use(passport.initialize());
app.use(passport.session());
passport.use(User.createStrategy());
passport.use(new LocalStrategy(User.authenticate()));
passport.serializeUser(User.serializeUser());
passport.deserializeUser(User.deserializeUser());

// Current User and Flash
app.use(function(req, res, next){
  res.locals.currentUser = req.user;
  // res.locals.mssg = req.flash('error');
  res.locals.success = req.flash('success');
  res.locals.bad = req.flash('bad');
  next();
});

// Routes
app.use('/', index);
app.use('/camps', camps);
app.use('/camps/new', camps);
app.use('/users', users);

// replaces the deprecated mongoose.Promise with the JavaScript global.Promise library
mongoose.Promise = global.Promise;



// Connect Mongoose
mongoose.connect(config.getDbConnectionString());
console.log('Connected to YelpCamp!')

// 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 handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;