22 lines
670 B
Ruby
22 lines
670 B
Ruby
|
class Category < ActiveRecord::Base
|
||
|
|
has_and_belongs_to_many :posts
|
||
|
|
has_and_belongs_to_many :special_posts, :class_name => "Post"
|
||
|
|
has_and_belongs_to_many :hello_posts, :class_name => "Post", :conditions => "\#{aliased_table_name}.body = 'hello'"
|
||
|
|
has_and_belongs_to_many :nonexistent_posts, :class_name => "Post", :conditions=>"\#{aliased_table_name}.body = 'nonexistent'"
|
||
|
|
|
||
|
|
def self.what_are_you
|
||
|
|
'a category...'
|
||
|
|
end
|
||
|
|
|
||
|
|
has_many :categorizations
|
||
|
|
has_many :authors, :through => :categorizations, :select => 'authors.*, categorizations.post_id'
|
||
|
|
end
|
||
|
|
|
||
|
|
class SpecialCategory < Category
|
||
|
|
|
||
|
|
def self.what_are_you
|
||
|
|
'a special category...'
|
||
|
|
end
|
||
|
|
|
||
|
|
end
|