language.rb

来自「ruby on rails web敏捷开发之路第二版 源代码」· RB 代码 · 共 13 行

#---
# Excerpted from "Agile Web Development with Rails, 2nd Ed."
# We make no guarantees that this code is fit for any purpose. 
# Visit http://www.pragmaticprogrammer.com/titles/rails2 for more book information.
#---
class Language < ActiveRecord::Base
  validates_length_of :name, :minimum=>1
  validates_numericality_of :shortest_wiki
  validates_each :shortest_wiki do |r,at,val|
    r.errors.add at, 'Must be > 0' if !val || val < 0
  end
end