Post tweets to Campfire

post_tweets_to_campfire.rb

#!/usr/bin/ruby

require 'rubygems'
require 'twitter'
require 'httparty'
require 'json'

require 'action_view'
include ActionView::Helpers

class Campfire
  include HTTParty

  base_uri   'https://example.campfirenow.com'
  basic_auth 'your_token_here', 'x'
  headers    'Content-Type' => 'application/json'

  def self.rooms
    Campfire.get('/rooms.json')["rooms"]
  end

  def self.room(room_id)
    Room.new(room_id)
  end
end

class Room
  attr_reader :room_id

  def initialize(room_id)
    @room_id = room_id
  end

  def message(message)
    send_message message
  end

  def paste(paste)
    send_message paste, 'PasteMessage'
  end

  private

  def send_message(message, type = 'Textmessage')
    post 'speak', :body => {:message => {:body => message, :type => type}}.to_json
  end

  def post(action, options = {})
    Campfire.post room_url_for(action), options
  end

  def room_url_for(action)
    "/room/#{room_id}/#{action}.json"
  end
end


twitter_auth  = { :username  => 'username',
                  :password  => 'secret' }

def get_last_tweet_id(options = {})
  options[:type] ||= "timeline"
  path = File.expand_path(File.dirname(__FILE__) + "/last_tweet_#{options[:type]}_id")
  `touch #{path}`
  last_tweet_id = `cat #{path}`
  last_tweet_id.blank? ? nil : last_tweet_id
end

def update_last_tweet_id(last_tweet_id, options = {})
  options[:type] ||= "timeline"
  path = File.expand_path(File.dirname(__FILE__) + "/last_tweet_#{options[:type]}_id")
  `echo #{last_tweet_id} > #{path}`
end

def options_for_twitter_timeline(last_tweet_id)
  last_tweet_id.nil? ? {:count => 1} : {:since_id => last_tweet_id.to_i}
end


begin
  twitter_httpauth = Twitter::HTTPAuth.new(twitter_auth[:username], twitter_auth[:password])
  twitter = Twitter::Base.new(twitter_httpauth)

  room_id = Campfire.rooms.detect { |room| room["name"] == "Room Name" }["id"]
  if room = Campfire.room(room_id)
    tweets = twitter.user_timeline(options_for_twitter_timeline(get_last_tweet_id))
    raise "Too many tweets! #{tweets.inspect}" if tweets.size > 3
    tweets.reverse!
    tweets.each do |tweet|
      links = []  # auto_link is an easy way to extract all links, thanks Rails
      auto_link(tweet.text, :link => :urls) { |l| links << l }
      room.message "http://twictur.es/i/#{tweet.id}.gif"
      room.message(links.to_sentence) if links.any?
    end
    update_last_tweet_id(tweets.last.id) if tweets.any?
  else
    warn "Failed to join room"
  end
rescue Twitter::TwitterError, Twitter::Unavailable, Errno::ECONNRESET
  # Just try again next time this runs
end