remove filetracks

remove-same-song.rb

framework "ScriptingBridge"

# https://gist.github.com/1382271
module MyBridge
  class RemoveSameSong
    def initialize
      i = SBApplication.applicationWithBundleIdentifier("com.apple.iTunes")
      i.run
      @filetracks = i.sources[0].userPlaylists[0].fileTracks
      @h = Hash.new
    end

    def run
      h = Hash.new
      @filetracks.sort_by{|t| t.album}.each{|x|
        s = "#{x.trackNumber}-#{x.album}-#{x.size}-#{x.artist}"
        (h[s] ||= x; next) unless h[s]
        obj = which_obj(x, h[s])
        next unless obj
        @h[obj.databaseID] = get_path(obj)
      }
      return nil if @h.empty?
      delete_renmae_obj
    end

    private
    def delete_renmae_obj
      n, m = 0, 0
      @h.each{|k,v|
        t = @filetracks.find{|x| x.databaseID == k}
        next unless t
        print "deleted: #{t.trackNumber} / #{t.name} / #{t.album}\n"
        t.delete
        n += 1
        next unless v
        m += 1 if rename_path(v.to_s)
      }
      print "\nDeleted:#{n} / Moved:#{m}\n"
    end

    def which_obj(obj1, obj2)
      return obj1 if check_path(get_path(obj1))
      return obj2 if check_path(get_path(obj2))
      return nil if (get_path(obj1).nil? && get_path(obj2).nil?)
      return obj1 unless get_path(obj1)
      return obj2 unless get_path(obj2)
    end

    def get_path(obj)
      return obj.location.path if obj.location
      return nil
    end

    def check_path(f)
      return nil unless f
      w = /\d+\.(\w..)/
      w.match(f.to_s.split.last)
    end

    def rename_path(v)
      dir = tmpdir
      begin
        #gv = v.gsub(/\&|\[|\]|\'|\-|\(|\)|\!/,'*').gsub(/\s/, '\ ' )
        gv = v.gsub(/\s/, "\ " )
        system("mv \'#{gv}\' #{dir}/")
        print "moved: #{gv}\n"
      rescue
        return nil
      end
      return true
    end

    def tmpdir
      trash = File.join(ENV['HOME'], "trashsongs")
      Dir.mkdir(trash) unless File.exist?(trash)
      return trash
    end
  end
end

MyBridge::RemoveSameSong.new().run