ruby installed programs

gistfile1.rb

Program.transaction do
      Program.update_all({:Installed=>FALSE}, {:machine_id=>params[:machine_id]})
      params[:programs][:program].each do |t|
        if(Program.exists?(:DisplayName=>t[:DisplayName], :Version=>t[:Version], :machine_id=>t[:machine_id]))
          Program.where(:DisplayName=>t[:DisplayName], :Version=>t[:Version], :machine_id=>t[:machine_id]).update_all :Installed=>TRUE
        else
          Program.create(t)
        end
      end
    end