bitly.rb

# earthquake.gem plugin
# shorten url using bit.ly if text is over 140
Earthquake.init do
  config[:bitly] ||= {}
  config[:bitly][:username] ||= 'earthquakegem'
  config[:bitly][:api_key] ||= 'R_22e702353baf49751d053660e4c71a30'
  config[:bitly][:domain] ||= 'j.mp'
  
  input_filter do |text|
    if /^:(update|reply|retweet|message)\s+/ === text and text.size - $&.size > 140
      puts "shortening urls...".c(:info)
      text.gsub(URI.regexp(['http','https'])) do |url|
        query = "domain=#{config[:bitly][:domain]}&longUrl=#{URI.encode(url)}&login=#{config[:bitly][:username]}&apiKey=#{config[:bitly][:api_key]}"
        result = JSON.parse(Net::HTTP.get("api.bit.ly", "/v3/shorten?#{query}"))
        if result['status_code'] == 200
          result['data']['url'] 
        else
          url
        end
      end
    else
      text
    end
  end
end