Created
December 12, 2009 18:12
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class User < ActiveRecord::Base | |
before_create :create_profile | |
has_one :profile, :dependent => :destroy | |
protected | |
def create_profile | |
self.profile ||= Profile.new | |
end | |
end | |
class Profile < ActiveRecord::Base | |
after_create :create_root_graffity | |
belongs_to :user | |
has_one :root_graffity, :class_name => 'Comment', :as => :commentable, :conditions => "parent_id IS NULL" | |
def graffities | |
root_graffity.sons | |
end | |
protected | |
def create_root_graffity | |
self.root_graffity = Comment.new(:user => self.user) | |
self.save(false) | |
end | |
end | |
class Comment < ActiveRecord::Base | |
acts_as_nested_set :scope => [:commentable_id, :commentable_type] | |
validates_presence_of :body | |
validates_presence_of :user | |
# NOTE: install the acts_as_votable plugin if you | |
# want user to vote on the quality of comments. | |
#acts_as_voteable | |
# NOTE: Comments belong to a user | |
belongs_to :user | |
belongs_to :commentable, :polymorphic => true | |
has_many :sons, :class_name => 'Comment', | |
:foreign_key => "parent_id", :order => "created_at DESC" | |
has_many :replys, :class_name => "Comment", | |
:foreign_key => "parent_id", :order => "created_at ASC" | |
# EXTRA CODE HERE | |
end | |
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