class HistoryController < ApplicationController def index @records = BorrowRecord.order('id DESC').select { |record| BookInstance.find_by_id(record.book_instance_id) != nil } render :index end def records_for_user @user = User.find_by_id params[:user_id] @records = @user.borrow_records.order('id DESC').select { |record| BookInstance.find_by_id(record.book_instance_id) != nil } render :index end end