activerecord

I would like an Order object to be comprised of many Product objects, so I set up a HABTM relationship on object. I'm wondering if it's "correct" (or the Ruby/Rails) way to also include additional data within the HABTM table. For instance, if I need to compute the subtotal and there's a chance the line-item totals might need to be overridden, do I store that as part of the association table, or do I need a LineItem object or something better? Thanks ActiveRecord::Schema.define(version: 3) do create_table "orders", force: true do |t| t.string "order_id", null: false t.string "order_status",

am struggling with Ruby validates :confirmation => true in my Rails app. Consider the following code: # == Schema Information # # Table name: things # # id :integer not null, primary key # pin :integer(8) # created_at :datetime # updated_at :datetime # class Things < ActiveRecord::Base #attr_accessor :pin attr_accessible :pin, :pin_confirmation validates :pin, :confirmation => true, :length => { :within => 7..15 }, :numericality => { :only_integer => true } end As the code is above, my validation works fine from the Rails console: 1.9.3-p0 :002 > l2 = Thing.create! :pin => 1234567, :pin

I am trying to cache results of Active Record Query. Here is my use case: User.rb def self.awesome_users_cached Rails.cache.fetch("awesome_users") { where(awesome: true) } end UsersController def index all_awesome_users = User.awesome_users_cached less_awesome_users = User.where(less_awesome_user:true).pluck(:id) @users = all_awesome_users.where.not(id: less_awesome_users) end Here are 2 issues: self.awesome_users_cached doesnt cache the results and ends up hitting the all_awesome_users ends up as an array instead of active Record and hence I cannot filter out less_awesome_users from it. There