Presentation counter

index.js

var fs = require('fs')
var _ = require('lodash')
var request = require('request')
var cheerio = require('cheerio')
var ProgressBar = require('progress');
var printf = require('printf');

var presentations = []

var data = fs.readFileSync('urls.txt', { encoding: 'UTF-8' }).split("\n")
var lines = _.filter(data, function(line) { return line.indexOf("http") > -1 });

var bar = new ProgressBar('Checked [:bar] :percent', {
  complete: '=',
  incomplete: ' ',
  width: 20,
  total: lines.length
});

lines.forEach(function(url, index){
  request(url, function (error, response, html) {
    bar.tick()
    if (!error && response.statusCode == 200) {
      var $ = cheerio.load(html);
      if (url.indexOf('slideshare.net') > -1) {
        var title = $('h1.notranslate.slideshow-title-text span').text().replace(/\n/g, '')
        var views = $('div.format-views span.notranslate').clone().children().remove().end().text().replace(/\n/g, '').replace('Views', '').trim().replace(',', '')
      } else if (url.indexOf('speakerdeck.com') > -1) {
        var title = $('#talk-details header h1').text().replace(/\n/g, '')
        var views = $('#talk li.views span').text().replace(/\n/g, '').replace('Views', '').trim().replace(',', '')
      }
      add({title: title, views: parseInt(views)})
    }
  });
})

function add(presentation) {
  presentations.push(presentation)
  if (presentations.length == lines.length) {
    _.each(_.take(_.sortByOrder(presentations, 'views', 'desc'), 5), function(p, i) { console.log(printf("%2d. %5d  %s", (i+1), p.views, p.title)) })

    var totalViews = _.sum(presentations, 'views')
    console.log("\nTotal views: " + totalViews)
  }
}

package.json

{
  "name": "count-presentation-views",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "dependencies": {
    "cheerio": "^0.19.0",
    "line-reader": "^0.3.0",
    "lodash": "^3.10.1",
    "printf": "^0.2.3",
    "progress": "^1.1.8",
    "request": "^2.67.0"
  }
}