class Wiki < ActiveRecord::Base belongs_to :project belongs_to :user validates :content, :title, :user_id, :presence => true validates :title, :length => 1..250 before_update :set_slug def to_param slug end protected def set_slug self.slug = self.title.parameterize end class << self def regenerate_from wiki regenerated_field = [:slug, :content, :title] new_wiki = Wiki.new regenerated_field.each do |field| new_wiki.send("#{field}=", wiki.send(field)) end new_wiki end end end # == Schema Information # # Table name: wikis # # id :integer not null, primary key # title :string(255) # content :text # project_id :integer # created_at :datetime not null # updated_at :datetime not null # slug :string(255) # user_id :integer #