hn.js

hn.js

#!/usr/bin/env node

var debug = require('debug')('hn')
var request = require('request')

debug('starting hn')

var config = {}
config.defaultStories = 5

var topURI = 'https://hacker-news.firebaseio.com/v0/topstories.json?print=pretty'
var maxStories = process.argv[2] || config.defaultStories

/**
 * Get item URI from item number
 * @param  {number} item The item number
 * @return {string}      The item URI
 */
function getItemURI(item) {
  var ret = 'https://hacker-news.firebaseio.com/v0/item/' + item + '.json?print=pretty'
  return ret
}

/**
 * Get a story from a story URI
 * @param  {String} storyURI The story URI
 */
function printStory(storyURI) {
  request(storyURI, function(error, response, body) {
    if (!error && response.statusCode === 200) {
      var itemJSON = JSON.parse(body)
      console.log(itemJSON.url)
      console.log(itemJSON.score)
      console.log(itemJSON.title)
      console.log()
      debug(body)
    }
  })
}

/**
 * main function
 */
function main() {
  request(topURI, function(error, response, body) {
    if (!error && response.statusCode === 200) {
      var topJSON = JSON.parse(body)
      for (var i = 0; i < maxStories; i++) {
        var story = topJSON[i]
        var storyURI = getItemURI(story)
        printStory(storyURI)
      }
    }
  })
}

main()