gistfile1.rb

require 'tweakSiri'
require 'siriObjectGenerator'

#######
# This is a "hello world" style plugin. It simply intercepts the phrase "text siri proxy" and responds
# with a message about the proxy being up and running. This is good base code for other plugins.
# 
# Remember to add other plugins to the "start.rb" file if you create them!
######


class SiriTunes < SiriPlugin
  
  def runiTunesCommand(cmd)
    output = IO.popen("arch -i386 osascript -e 'tell application \"iTunes\" to #{cmd}'").readlines[0]
    if output
      output.strip!
    end
    
    output
  end
  
  ####
  # This is called whenever the server recognizes speech. It's useful for overriding commands that Siri would otherwise recognize
  def speech_recognized(object, connection, phrase)
    if(phrase.match(/tell iTunes to (.*)/i))
      self.plugin_manager.block_rest_of_session_from_server
      
      cmd = $1.downcase.strip
      if cmd == 'mute'
        cmd = 'set mute to true'
      elsif cmd == 'unmute'
        cmd = 'set mute to false'
      end
      
      if cmd.match(/turn the volume (up|down)/i)
        vol = self.runiTunesCommand("sound volume as integer").to_i
        if $1.downcase == 'up'
          vol += 30
        else
          vol -= 30
        end
        
        cmd = "set sound volume to #{vol}"
      end
      
      if cmd.match(/next song|skip/i)
        cmd = "next track"
      elsif cmd.match(/previous song|back/i)
        cmd = "previous track"
      end
      
      if cmd.match(/play track (.*)/)
        cmd = "play track \"#{$1}\" in playlist 1"
      end
      
      self.runiTunesCommand(cmd)
      return generate_siri_utterance(connection.lastRefId, "OK.")
      
    elsif(phrase.match(/what is iTunes playing/i))
      self.plugin_manager.block_rest_of_session_from_server
      state = self.runiTunesCommand("player state as string")
      if state == 'playing'
        artist = self.runiTunesCommand("artist of current track as string")
        track = self.runiTunesCommand("name of current track as string")
        return generate_siri_utterance(connection.lastRefId, "iTunes is currently playing \"#{track}\" by \"#{artist}\".")
      else
        return generate_siri_utterance(connection.lastRefId, "iTunes isn't playing anything right now.")
      end
    end
    
    object
  end
  
end