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class Comment < ActiveRecord::Base
scope :limit_by, lambda {|l| limit(l) }
scope :containing_the_letter_e, :conditions => "comments.body LIKE '%e%'"
scope :not_again, where("comments.body NOT LIKE '%again%'")
scope :for_first_post, :conditions => { :post_id => 1 }
scope :for_first_author,
:joins => :post,
:conditions => { "posts.author_id" => 1 }
scope :created
belongs_to :post, :counter_cache => true
has_many :ratings
belongs_to :first_post, :foreign_key => :post_id
has_many :children, :class_name => 'Comment', :foreign_key => :parent_id
belongs_to :parent, :class_name => 'Comment', :counter_cache => :children_count
def self.what_are_you
'a comment...'
end
def self.search_by_type(q)
self.find(:all, :conditions => ["#{QUOTED_TYPE} = ?", q])
end
def self.all_as_method
all
end
scope :all_as_scope, {}
end
class SpecialComment < Comment
def self.what_are_you
'a special comment...'
end
end
class SubSpecialComment < SpecialComment
end
class VerySpecialComment < Comment
def self.what_are_you
'a very special comment...'
end
end
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