Sha256: 72f308d0e1fa9d32d4f0c19537b40709fba50f234b28ab0a2388ac29a75ed727
Contents?: true
Size: 1.43 KB
Versions: 10
Compression:
Stored size: 1.43 KB
Contents
class Author < ActiveRecord::Base
has_many :posts
has_many :tagging, :through => :posts # through polymorphic has_one
has_many :taggings, :through => :posts, :source => :taggings # through polymorphic has_many
has_many :tags, :through => :posts # through has_many :through
end
class Post < ActiveRecord::Base
belongs_to :author
has_one :tagging, :as => :taggable
has_many :taggings, :as => :taggable
has_many :tags, :through => :taggings
end
class SpecialPost < Post
end
class Tagging < ActiveRecord::Base
belongs_to :tag, :include => :tagging
belongs_to :polytag, :polymorphic => true
belongs_to :taggable, :polymorphic => true, :counter_cache => true
end
class Tag < ActiveRecord::Base
has_one :tagging
has_many :taggings
has_many :taggables, :through => :taggings
has_many :tagged_posts, :through => :taggings, :source => :taggable, :source_type => 'Post'
has_many :polytaggings, :as => :polytag, :class_name => 'Tagging'
has_many :polytagged_posts, :through => :polytaggings, :source => :taggable, :source_type => 'Post'
has_many :authors, :class_name => "Author", :finder_sql => proc {
<<-SQL
SELECT authors.* FROM authors
INNER JOIN posts p ON authors.id = p.author_id
INNER JOIN taggings tgs ON tgs.taggable_id = p.id AND tgs.taggable_type = "Post"
WHERE tgs.tag_id = #{self.id}
SQL
}
end
class SpecialTag < Tag
end
Version data entries
10 entries across 10 versions & 3 rubygems