echowaves embedded youtube.rb

# Allows embedded YouTube videos in EchoWaves. 
# Simply replace mark_up in app/helpers/messages_helper.rb with the following
# NOTE: Ignores the rest of the message with the YT url in it, so ideally needs to be merged with the line splitting conversion of url's.

  def mark_up(message)
    return message.message if message.system_message == true # no markup for system_messages
    
    content = message.message
    
    # Youtube?
    yt_video = content.match(/http:\/\/www\.youtube\.com\/watch.*v=([a-zA-Z0-9]*)/)
    unless yt_video.nil?
      vid_src = "http://www.youtube.com/v/#{yt_video[1]}&hl=en&fs=1"
      return "<object width=\"425\" height=\"344\"><param name=\"movie\" value=\"#{vid_src}\"></param><param name=\"allowFullScreen\" value=\"true\"></param><param name=\"allowscriptaccess\" value=\"always\"></param><embed src=\"#{vid_src}\" type=\"application/x-shockwave-flash\" allowscriptaccess=\"always\" allowfullscreen=\"true\" width=\"425\" height=\"344\"></embed></object>"
    end
    
    # Normal message
    parts = content.split "\n"
    parts.map {|s| h(s)}.join(" <br/>").gsub(/(http|https|ftp)([^ ]+)/i) {|s|  "<a href='#{s}' rel='nofollow'>#{s}</a>"}        
  end