lib/api-v2/middlewares/comments.js
const api = require('../db-api')
module.exports.findById = function findById (req, res, next) {
const id = req.params.id
api.comments.find({ _id: id })
.findOne()
.exec()
.then((comment) => {
if (!comment) return next(new Error404(id))
req.comment = comment
next()
})
.catch(next)
}
class Error404 extends Error {
constructor (id) {
super(`Comment ${id} not found.`)
this.status = 404
this.code = 'COMMENT_NOT_FOUND'
}
}