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middleware.js
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middleware.js
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const { campgroundSchema, reviewSchema } = require('./schemas.js');
const ExpressError = require('./utils/ExpressError.js');
const Campground = require('./models/campground.js');
const Review = require('./models/review.js');
module.exports.isLoggedIn = (req, res, next) => {
if (!req.isAuthenticated()) {
req.session.returnTo = req.originalUrl;
req.flash('error', 'You must be logged in first!');
return res.redirect('/login');
}
next();
}
module.exports.storeReturnTo = (req, res, next) => {
if (req.session.returnTo) {
res.locals.returnTo = req.session.returnTo;
}
next();
}
module.exports.validateCampground = (req, res, next) => {
const { error } = campgroundSchema.validate(req.body, {
allowUnknown: true, // Allow unknown fields (including "deletedImages")
});
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 campground = await Campground.findById(id);
if (!campground.author.equals(req.user._id)) {
req.flash('error', 'You do not have permission to do that!');
return res.redirect(`/campgrounds/${id}`);
}
next();
}
module.exports.isReviewAuthor = async(req, res, next) => {
const { id, reviewId } = req.params;
const review = await Review.findById(reviewId);
if (!review.author.equals(req.user._id)) {
req.flash('error', `You don't have premission to do that!`)
return res.redirect(`/campgrounds/${id}`)
}
next();
}
module.exports.validateReview = (req, res, next) => {
const { error } = reviewSchema.validate(req.body);
if (error) {
const msg = error.details.map(el => el.message).join(',')
throw new ExpressError(msg, 400)
} else {
next();
}
}