def add_space_to_cart
    @cart = find_cart
    @verified = verify_amca_user
    if(@verified)
      begin
              space = Space.find(params[:id])
      rescue ActiveRecord::RecordNotFound
              logger.error("Attempt to access invalid space #{params[:id]}")
              redirect_to_index("Invalid space")
      else
              if (!space.reserved)
                @current_item = @cart.add_space(space)
                @res = Reservation.new( :user_id => @user.id,
                                        :space_id => space.id,
                                        :temp_res_datetime => Time.now)
                @res.save
                space.reserved = true
                space.save
                @spaces = Space.find_available_spaces
                redirect_to_index unless request.xhr?
              else
                @messages = "Space already reserved"
                redirect_to_index unless request.xhr?
              end
      end
    else
      logger.warn("Unable to reserve space for user session[:user_id], AMCA verification failed")
      @messages = "AMCA membership must be valid through the end of the meet"
      redirect_to_index unless request.xhr?
    end
  end