gistfile1.rb

# before this block there is an if condition to make sure it is an AR instance
# it is all being wrapped in an Array and has (approvables being passed in)
# then iterated over to give us approvable

ActiveRecord::Base.transaction do
  approvable.build(:previously_approved => true)
  approvable.build(:approved_at => Time.zone.now)
  approvable.build(:approved_by_id => approved.try(:id))
end