app.js

var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var sassMiddleware = require('node-sass-middleware');
var cookieSession = require('cookie-session');
var flash = require('connect-flash');
var Keygrip = require('keygrip')
var expressValidator = require('express-validator');
var mainRouter = require('./routes/main/app');
var locateRouter = require('./routes/main/locate');
var donateRouter = require('./routes/main/donate');
var donorRouter = require('./routes/main/donar');
var donorListRouter = require('./routes/main/donorlist');
var connDonorRouter = require('./routes/main/conwith_donor');

var loginRouter = require('./routes/auth/login');
var signupRouter = require('./routes/auth/signup');
var forgotRouter = require('./routes/auth/forgot');
var forgotFinishRouter = require('./routes/auth/forgot_finish');
var logoutRouter = require('./routes/auth/logout');

var usersRouter = require('./routes/profile/users');
var updateEmailRouter = require('./routes/profile/update_email');
var updateMobileRouter = require('./routes/profile/update_mobile');
var verifyEmailRouter = require('./routes/profile/verifyemail');
var verifyEmailFinishRouter = require('./routes/profile/verifyemail_finish');
var fbloginRouter = require('./routes/oauth2/fbconnect');
var gploginRouter = require('./routes/oauth2/gconnect');

var mongoose = require('./db/mongoose');
var { findById } = require('./controllers/userController');
var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'hjs');
app.set('partials', {
    head: 'partials/head',
    header: 'partials/header',
    footer: 'partials/footer',
    utilityJS: 'partials/utilityJS',
    oauth2_btns: 'partials/oauth2_btns',
    oauth2_ajax: 'partials/oauth2_ajax',
    user_address: 'partials/user_address',
    profile: 'partials/profile',
    google_mapJS: 'partials/google_mapJS',
    locate_ajax: 'partials/locate_ajax'
});
app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(expressValidator());
// trust first proxy, remove below line when deploying in order to secure cookies over https connection
app.set('trust proxy', 1)
app.use(cookieSession({
    name: 'session',
    keys: new Keygrip(['key1', 'key2'], 'SHA384', 'base64'),    
    maxAge: 30 * 60 * 1000
    // httpOnly: true,
    // secure: true
}));
app.use(sassMiddleware({
    src: path.join(__dirname, 'public'),
    dest: path.join(__dirname, 'public'),
    indentedSyntax: true, // true = .sass and false = .scss
    sourceMap: true
}));
app.use(express.static(path.join(__dirname, 'public'),{index: 'app.hjs'}));

app.use(flash());
app.use(function(req, res, next) {
    res.locals.alertMessage = req.flash('alertMessage');
    res.locals.successMessage = req.flash('successMessage');
    res.locals.partials = req.app.get('partials');
    if (req.session && req.session.user) {
        var userId = req.session.user._id;
        findById(userId, function(err, user) {
            if (err) {
                next();
            } else if (user) {
                req.user = user;
                delete req.user.password;
                req.session.user = user;  // refresh the session value
                res.locals.user = user;   // expose the user to the template  
                let activeUser = false;
                let indivUser = false;
                if(user.active_flag === 'A'){
                    activeUser = true;     
                }
                if(user.user_type === 'Individual'){
                    indivUser = true;     
                }                
                res.locals.activeUser = activeUser;
                res.locals.indivUser = indivUser;
                next();
            } else if (!user) {
                next();
            }
        });
        return;
    } else if (req.session && (req.session.gplus_id || req.session.facebook_id)) {
        //Do something here...
        next();
        return;
    }else{
        next();
    }
});
app.use(['/'], mainRouter);
app.use('/login', loginRouter);
app.use('/signup', signupRouter);
app.use('/forgot', forgotRouter);
app.use('/forgot_finish', forgotFinishRouter);
app.use('/logout', logoutRouter);

app.use('/users', usersRouter);
app.use('/verify', verifyEmailRouter);
app.use('/verify_finish', verifyEmailFinishRouter);
app.use('/update_email', updateEmailRouter);
app.use('/update_mobile', updateMobileRouter);

app.use('/locate', locateRouter);
app.use('/donate', donateRouter);
app.use('/donor', donorRouter);
app.use('/donarlist', donorListRouter);
app.use('/conwith_donor', connDonorRouter);

app.use('/fbconnect', fbloginRouter);
app.use('/gconnect', gploginRouter);

// app.use(express.static('public'));

// catch 404 and forward to error handler
app.use(function(req, res, next) {
    next(createError(404));
});

// 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 : {};
    res.locals.partials = req.app.get('partials');
    console.log("Error on route")
    console.log(err.message);
    console.log(err.status);
    console.log(err.stack);
    // render the error page
    res.status(err.status || 500);
    res.render('404',{ title: 'Page not found'});
});

module.exports = app;