Module: Stocktwit::Rss

Defined in:
lib/stocktwit/rss.rb

Class Method Summary collapse

Class Method Details

.read ⇒ Object 



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# File 'lib/stocktwit/rss.rb', line 7

def read
  # StockTwits API URL (can be refreshed every minute or so)
  url = 'http://stocktwits.com/streams/all.xml'

  # get the XML data as a string
  xml_data = Net::HTTP.get_response(URI.parse(url)).body

  # extract event information
  doc = REXML::Document.new(xml_data)

  tweets = []
  doc.elements.each('stream/tweets/tweet') do |el|
    tweets << {
      :user_id  => el.elements['twitter_user_id'].text,
      :status_id  => el.elements['status_id'].text,
      :tweet_datetime => el.elements['tweet_datetime'].text,
      :twitter_username => el.elements['twitter_username'].text,
      :tweet_text => el.elements['tweet_text'].text
    }
  end
  
  tickers = {}
  doc.elements.each('stream/tweets/tweet/stocks/stock/ticker') do |el|
    unless tickers[el.text]
      tickers[el.text] = 0
    end
    tickers[el.text] += 1
  end
  
  return {
    :tweets => tweets,
    :tickers => tickers.keys.collect {|k|
      {:name => k, :count => tickers[k]}
    }
  }
end