app.js

var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');

var routes = require('./routes/index');
var users = require('./routes/users');
var chatRouter = require("./routes/chat");

var passport = require("passport");
var passportLocal = require("passport-local");

var app = express();

require("./dbInit");


// 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')));

// passport config
var User = require('./models/user');
app.use(passport.initialize());
passport.use(new passportLocal.Strategy(User.authenticate()));

app.use('/', routes);
app.use('/users', users);
//app.use("/chat", chatRouter);

// 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
console.log(app.get('env') + " hello Zheng");
// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
    app.use(function (err, req, res, next) {
        res.status(err.status || 500);
        res.json({
            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.json({
        message: err.message,
        error: {}
    });
});


module.exports = app;