app.js

if (process.env.NODE_ENV !== "production") {
    require('dotenv').config();
}
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require('dotenv').config();
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*/


const express = require('express');
const path = require('path');
const mongoose = require('mongoose');
const ejsMate = require('ejs-mate');
const session = require('express-session');
const flash = require('connect-flash');
const catchAsync = require('./utilities/catchAsync');
const ExpressError = require('./utilities/ExpressError');
const methodOverride = require('method-override');
const passport = require('passport');
const LocalStrategy = require('passport-local');
const morgan = require('morgan');
const mongoSanitize = require('express-mongo-sanitize');
const helmet = require('helmet');

const userRoutes = require('./routes/users');
const productRoutes = require('./routes/products');
const reviewRoutes = require('./routes/reviews');
const listRoutes = require('./routes/list');
const shopRoutes = require('./routes/shops');

const Category = require('./models/category');
const User = require('./models/user');
const Product = require('./models/product');
const Price = require('./models/price');
const Shop = require('./models/shop');
const List = require('./models/list');
const Count = require('./models/count');

const dbUrl = process.env.DB_URL || 'mongodb://localhost:27017/shopList';
//const dbUrl = 'mongodb://localhost:27017/shopList';
const MongoStore = require('connect-mongo')(session);


// original connect url: mongodb://localhost:27017/shopList
mongoose.connect(dbUrl, {
    useNewUrlParser: true,
    useCreateIndex: true,
    useUnifiedTopology: true,
    useFindAndModify: false
});


const db = mongoose.connection;
db.on('error', console.error.bind(console, 'connection error:'));
db.once('open', function () {
    console.log("Database connected");
});

const app = express();

app.engine('ejs', ejsMate);
app.use(morgan('tiny'));

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

app.use(express.urlencoded({ extended: true }));
app.use(methodOverride('_method'));
app.use(express.static(path.join(__dirname, 'public')));
app.use(mongoSanitize());

const secret = process.env.SECRET || 'thisshouldbeabettersecret';

const store = new MongoStore({
    url: dbUrl,
    secret,
    touchAfter: 24 * 60 * 60
});

store.on("error", function (e) {
    console.log("SESSION STORE ERROR", e);
})

const sessionConfig = {
    store,
    name: 'session',
    secret,
    resave: false,
    saveUninitialized: true,
    cookie: {
        httpOnly: true,
        expires: Date.now() + 1000 * 60 * 60 * 24 * 7,
        maxAge: 1000 * 60 * 60 * 24 * 7,
    }
}
app.use(session(sessionConfig));
app.use(flash());
app.use(helmet({ contentSecurityPolicy: false }));

app.use(passport.initialize());
app.use(passport.session());
passport.use(new LocalStrategy(User.authenticate()));

passport.serializeUser(User.serializeUser());
passport.deserializeUser(User.deserializeUser());

app.use((req, res, next) => {
    res.locals.currentUser = req.user;
    res.locals.success = req.flash('success');
    res.locals.error = req.flash('error');
    next();
})

app.use('/', userRoutes);
app.use('/products', productRoutes);
app.use('/products/:id/reviews', reviewRoutes);
app.use('/list', listRoutes);

app.get('/', (req, res) => {
    res.render('home');
})


app.get('/categories/:cat', async (req, res) => {
    const products = await Product.find({ category: req.params.cat }).populate({
        path: 'products',
        populate: {
            path: 'product'
        }
    }).populate('Shop')
        .populate({
            path: 'products',
            populate: {
                path: 'price',
                model: 'Price'
            }
        }).populate('Price').populate({
            path: 'price',
            populate: {
                path: 'shop'
            }
        });
    const chosenCategory = req.params.cat
    res.render('categories', { products, chosenCategory });
})


app.get('/eshop.masoutis.gr/', function (req, res) {
    res.redirect('https://eshop.masoutis.gr/')
})

app.get('/eshop.mymarket.gr/', function (req, res) {
    res.redirect('https://eshop.mymarket.gr/')
})


app.all('*', (req, res, next) => {
    next(new ExpressError('Η σελίδα δε βρέθηκε!', 404))
})

app.use((err, req, res, next) => {
    const { statusCode = 500 } = err;
    if (!err.message) {
        err.message = 'Κάτι πήγε στραβά!'
    }
    res.status(statusCode).render('error', { err });
})

const port = process.env.PORT || 3000;
app.listen(port, () => {
    console.log(`Serving on port ${port}`)
})

module.exports = app;