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middleware.js
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middleware.js
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const Campground = require('./models/campground');
const Review = require('./models/review');
const {campgroundSchema,reviewSchema} = require('./schemas')
const ExpressError = require('./utils/ExpressError');
module.exports.isLogedIn = (req,res,next)=>{
if(!req.isAuthenticated()){
req.session.returnToUrl = req.originalUrl
req.flash('error','You need to Log In first!')
return res.redirect('/login')
}
next()
}
module.exports.isAuthor = async (req,res,next)=>{
const {id} = req.params
const camp = await Campground.findById(id)
if(!camp.author.equals(req.user._id)){
req.flash('error','You are not authorizes to do that!')
return res.redirect(`/campground/${id}`)
}
next()
}
module.exports.isreviewAuthor = async (req,res,next)=>{
const {id,reviewid} = req.params
const review = await Review.findById(reviewid)
if(!review.author.equals(req.user._id)){
req.flash('error','You are not authorizes to do that!')
return res.redirect(`/campground/${id}`)
}
next()
}
// a middleware for validating the data
module.exports.validateCampground = (req,res,next) => {
const {error} = campgroundSchema.validate(req.body) //verify the data before using the mongoose
if(error){
const msg = error.details.map(el => el.message).join(',')
throw new ExpressError(msg,400)
}else{
next()
}
}
// a middleware for validating the data
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()
}
}