middleware.js

// Description: This file contains all the middleware functions that are used in the application.
const { ticketSchema } = require('./schemas.js');
const ExpressError = require('./utils/ExpressError');
const Ticket = require('./models/ticket');
module.exports.isLoggedIn = (req,res,next) => {
    if (!req.isAuthenticated()) {
        req.session.returnTo = req.originalUrl;
        req.flash('error', 'You Must Be Signed In');
        return res.redirect('/login');
    }
    next();
}

module.exports.storeReturnTo = (req, res, next) => {
    if (req.session.returnTo) {
        res.locals.returnTo = req.session.returnTo;
    }
    next();
}


module.exports.validateTicket = (req, res, next) => {
    const { error } = ticketSchema.validate(req.body);
    if (error) {
        const msg = error.details.map(el => el.message).join(',')
        throw new ExpressError(msg, 400);
    } else {
        next();
    }
}

module.exports.isAuthor = async (req,res,next) => {
    const {id} =req.params;
    const ticket = await Ticket.findById(id);
    if (!ticket.author.equals(req.user._id) && !req.user.admin) {
        req.flash('error', 'You do not have permission to do that!');
        return res.redirect(`/tickets`);
    }
    next();
}