product_sync.rb

# is it risky to trust on updated_at ?
# Summary: all products with no price on API should be disabled.


start_time = Time.now
Product.transaction do
  ProductApi.each do |e|
    Product.find(e.code).update_attribute :price, e.price
  end

  Product.update_all :status => :disabled, ['updated_at < ?', start_time]

end