AlwaysHasOne
Make sure a has_one association always exists
Installation
gem install always_has_oneOr add it to your Gemfile:
gem 'always_has_one'Then:
bundleUsage
class Supplier < ActiveRecord::Base
always_has_one :account
end
supplier = Supplier.new
supplier.account.account_number # you can reference account attributes without needing to build it first, or check its presenceIt accepts the same attributes that has_one.