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middelware.js
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middelware.js
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const Listing = require("./modles/listing.js");
const { listingSchema, reviewSchema } = require("./validationSchema.js");
const ExpressError = require("./utils/ExpressError.js");
const review = require("./modles/reviews.js");
//check if loged in
module.exports.isLogedIn = (req, res, next) => {
if (!req.isAuthenticated()) {
req.session.redirectUrl = req.originalUrl;
req.flash("error", "you must be loged in");
res.redirect("/login");
} else {
next();
}
};
//saving user from sessions to locals
module.exports.savedUrl = (req, res, next) => {
if (req.session.redirectUrl) {
res.locals.savedUrl = req.session.redirectUrl;
}
next();
};
//checking the owner of the listing
module.exports.isOwned = async (req, res, next) => {
let id = req.params.id;
let user = await Listing.findById(id);
if (!user.owner._id.equals(res.locals.user._id)) {
req.flash("error", "you are not the owner of this listing!");
return res.redirect(`/listings/${id}`);
}
next();
};
//review validations
module.exports.validateReview = (req, res, next) => {
let result = reviewSchema.validate(req.body);
if (result.error) {
throw new ExpressError(400, result.error);
} else {
next();
}
};
//listing validations
module.exports.validateListing = (req, res, next) => {
let result = listingSchema.validate(req.body);
if (result.error) {
throw new ExpressError(400, result.error);
} else {
next();
}
};
//checking the owner of the reviews
module.exports.isAuthor = async (req, res, next) => {
let { id, reviewId } = req.params;
let user = await review.findById(reviewId);
if (!user.author._id.equals(res.locals.user._id)) {
req.flash("error", "you are not the author of this review!");
return res.redirect(`/listings/${id}`);
}
next();
};