JIRA Activity Stream script for Hubot - posts new stream activity to your jabber conference

jira-activity.coffee

FeedParser     = require('feedparser')
ent	       = require('ent')
{EventEmitter} = require('events')

class ActivityStream extends EventEmitter
  constructor: (@url, @robot) ->
    @robot.logger.info("ActivityStream for #{@url}")
    self = this
    self.guid = "urn:uuid:a1c4b672-fc6d-3a82-8522-0e05350297de"

    @on 'guid', (guid) ->
      self.guid = guid

    @on 'activities', (activities) ->

      activities.forEach (activity) ->
        if activity.guid is self.guid
          activities.splice(activities.indexOf(activity), activities.length-activities.indexOf(activity))
      
      activities.reverse()
      activities.forEach (activity) ->
        sendto =
          type: 'groupchat'
          room: 'conference@conference.example.com'
        
        self.robot.send sendto, "#{activity.title} <#{activity.link}>#{activity.description()}\n"
        
        if activities.indexOf(activity) is activities.length-1
          self.emit 'guid', activity.guid

  parse: (articles) ->
    activities = []
    articles.forEach (article) ->
      activity =
        title: ent.decode(article.title.replace(/<(?:.|\n)*?>/gm, '').replace(/\ \ \ /, ' '))
        description: ->
          if article.description != null
            "\n" + ent.decode(article.description.replace(/<(?:.|\n)*?>/gm, '').replace(/\ \ \ /, ' '))
           else
             ""
        link: article.link
        guid: article.guid

      activities.push activity

    @emit 'activities', activities

module.exports = (@robot) ->
  parser = new FeedParser
  stream = new ActivityStream "https://hubot:secret@jira.example.com/activity?maxResults=10&streams=key+IS+EXAMPLE&os_authType=basic",
                              @robot

  parser.on 'end', (articles) ->
    stream.parse articles
    parser._reset

  run = (stream, parser) ->
    parser.parseUrl(stream.url)
    
  setInterval (-> run stream, parser), 30000