redmine2twitter.rb

#!/usr/bin/env ruby
require 'rubygems'
gem 'feedtools'
gem 'htmltokenizer'
require 'feed_tools'
require 'html/htmltokenizer'
require 'twitter'
require 'net/http'

#your redmine url
feed_url = "http://redmine.YOURDOMAIN.com/projects/activity?format=atom&key=YOURRSSKEY"
twitter_username = TWITTER_USERNAME
twitter_password = TWITTER_PASSWORD

#since we are attaching 3 ...
#and then isgd, which is 17 or 18
#and some spaces
max_tweet_length = 117 

#grab redmine data
feed = FeedTools::Feed.open(feed_url)
post_these = Array.new

#fetch salient pieces from this stream
feed.items.each do |act|

  #only care about things that happened in
  #the past 3 minutes, 10 seconds
  if act.time >= 190.seconds.ago
    tweet =  "#{act.title}"
    t = HTMLTokenizer.new(act.description)
    desc = String.new

    #run the redmine tags through
    #html tokenizer
    while token = t.getTag('p')
      desc << t.getTrimmedText('p').gsub(/\n/, ' ')
    end

    #assemble the tweet
    tweet << ": " << desc << " "
    if tweet.length > max_tweet_length
      tweet = "\t#{tweet[0..max_tweet_length]}..."
    end

    #fetch the isgd shortened url
    isgdurl = ""
    Net::HTTP.start( 'is.gd', 80 ) do |http|
      isgdurl << http.get( "/api.php?longurl=#{act.link.gsub(/http/, 'https')}" ).body 
    end
    tweet << isgdurl

    post_these << tweet
  end
end

#connect to twitter if we need to
if post_these.size > 0
  twitter = Twitter::Base.new(twitter_username, twitter_password)
end

#post the oldest first
for tweet in post_these.reverse
  status = twitter.post(tweet)
end