cart

router.post('/product/:product_id', passportConf.isAuthenticated, (req, res, next) => {
    Cart.findOne({owner: req.user._id}, (err, cart) => {
        cart.items.push({
            item: req.body.product_id,
            price: parseFloat(req.body.priceValue),
            quantity: parseInt(req.body.quantity)
        });

        cart.total = (cart.total + parseFloat(req.body.priceValue)).toFixed(2);

        cart.save((err) => {
            if (err) return next(err);
            return res.redirect('/cart');
        })

    });

});

router.get('/cart', passportConf.isAuthenticated, (req, res, next) => {
    Cart.findOne({owner: req.user._id})
        .populate('items.item')
        .exec((err, foundCart) => {
            if (err) return next(err);

            res.render('main/cart', {
                foundCart: foundCart,
                message: req.flash('remove')
            });
        });
});

router.post('/remove', passportConf.isAuthenticated, (req, res, next) => {
    Cart.findOne({owner: req.user._id}, (err, foundCart) => {
        foundCart.items.pull(String(req.body.item));

        foundCart.total = (foundCart.total - parseFloat(req.body.price)).toFixed(2);

        foundCart.save((err, found) => {
            if (err) return next(err);

            req.flash('remove', 'Successfully removed the product');
            res.redirect('/cart');
        });
    });
});








const mongoose = require('mongoose');
const Schema = mongoose.Schema;

const CartSchema = new Schema({
	owner: {type: Schema.Types.ObjectId, ref: 'User'},
	total: {type: Number, default: 0},
	items: [{
		item: {type: Schema.Types.ObjectId, ref: 'Product'},
		quantity: {type: Number, default: 1},
		price: {type: Number, default: 0}
	}]
});

module.exports = mongoose.model('Cart', CartSchema);