Add Comments

const mongoose = require('mongoose')
const allModules = require('../custom_modules/all-needed-modules')
require('../models/Article')
let Article = mongoose.model('Article')
require('../models/Comment')
let Comment = mongoose.model('Comment')
let addComment = (req, res) => {
  // Method POST
  req.pathname = req.pathname || allModules.url.parse(req.url).pathname
  let urlId = req.pathname.split('/')[3]
  let body = ''
  req.on('data', (data) => {
    body += data
  })
  req.on('end', () => {
    let parsedBody = allModules.query.parse(body)
    let comment = new Comment({
      articleID: urlId,
      content: parsedBody.comment,
      date: Date.now()
    })
    Article
      .findByIdAndUpdate(urlId)
      .then(article => {
        article.comments.push(comment)
        article.save()
      }).then(() => {
        comment
        .save()
        .catch(err => console.log(err))
      })
    Article
      .find({_id: urlId})
      .then(articles => {
        console.log(articles)
        for (let article of articles) {
          Comment
            .find({articleID: article._id})
            .then((article) => {
              allModules.fs.readFile('./views/image-details.html', (err, data) => {
                if (err) allModules.errorHandler.throwError(err)
                res.writeHead(200, {'Content-Type': 'text/html'})
                data = data.toString()
                console.log(article)
                res.write(allModules.mustache.render(data, {Comments: article}))
                res.end()
                return
              })
            })
        }
      })
      .catch(err => console.log(err))
  })
}

module.exports = addComment