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class BlogPost < ActiveRecord::Base
has_many :comments, :class_name => 'BlogComment'
has_and_belongs_to_many :categories, :class_name => 'BlogCategory'
acts_as_indexed :fields => [:title, :body]
validates_presence_of :title
validates_uniqueness_of :title
has_friendly_id :title, :use_slug => true
default_scope :order => "created_at DESC"
named_scope :live, :conditions => {:draft => false}
def category_ids=(ids)
self.categories.clear
self.categories += ids.reject{|id| id.blank?}.collect {|c_id|
category = Category.find(category_id.to_i) rescue nil
}.compact
end
end
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