JezK
Edit File: post.rb
class Post < ActiveRecord::Base named_scope :with_type_self, lambda{{:conditions => ["type=?", self.name]}} named_scope :containing_the_letter_a, :conditions => "body LIKE '%a%'" named_scope :ranked_by_comments, :order => "comments_count DESC" named_scope :limit, lambda {|limit| {:limit => limit} } named_scope :with_authors_at_address, lambda { |address| { :conditions => [ 'authors.author_address_id = ?', address.id ], :joins => 'JOIN authors ON authors.id = posts.author_id' } } belongs_to :author do def greeting "hello" end end belongs_to :author_with_posts, :class_name => "Author", :foreign_key => :author_id, :include => :posts belongs_to :author_with_address, :class_name => "Author", :foreign_key => :author_id, :include => :author_address has_one :last_comment, :class_name => 'Comment', :order => 'id desc' named_scope :with_special_comments, :joins => :comments, :conditions => {:comments => {:type => 'SpecialComment'} } named_scope :with_very_special_comments, :joins => :comments, :conditions => {:comments => {:type => 'VerySpecialComment'} } named_scope :with_post, lambda {|post_id| { :joins => :comments, :conditions => {:comments => {:post_id => post_id} } } } has_many :comments, :order => "body" do def find_most_recent find(:first, :order => "id DESC") end end has_many :author_favorites, :through => :author has_many :comments_with_interpolated_conditions, :class_name => 'Comment', :conditions => ['#{"#{aliased_table_name}." rescue ""}body = ?', 'Thank you for the welcome'] has_one :very_special_comment has_one :very_special_comment_with_post, :class_name => "VerySpecialComment", :include => :post has_many :special_comments has_many :nonexistant_comments, :class_name => 'Comment', :conditions => 'comments.id < 0' has_and_belongs_to_many :categories has_and_belongs_to_many :special_categories, :join_table => "categories_posts", :association_foreign_key => 'category_id' has_many :taggings, :as => :taggable has_many :tags, :through => :taggings do def add_joins_and_select find :all, :select => 'tags.*, authors.id as author_id', :include => false, :joins => 'left outer join posts on taggings.taggable_id = posts.id left outer join authors on posts.author_id = authors.id' end end has_many :misc_tags, :through => :taggings, :source => :tag, :conditions => "tags.name = 'Misc'" has_many :funky_tags, :through => :taggings, :source => :tag has_many :super_tags, :through => :taggings has_one :tagging, :as => :taggable has_many :invalid_taggings, :as => :taggable, :class_name => "Tagging", :conditions => 'taggings.id < 0' has_many :invalid_tags, :through => :invalid_taggings, :source => :tag has_many :categorizations, :foreign_key => :category_id has_many :authors, :through => :categorizations has_many :readers has_many :people, :through => :readers has_many :people_with_callbacks, :source=>:person, :through => :readers, :before_add => lambda {|owner, reader| log(:added, :before, reader.first_name) }, :after_add => lambda {|owner, reader| log(:added, :after, reader.first_name) }, :before_remove => lambda {|owner, reader| log(:removed, :before, reader.first_name) }, :after_remove => lambda {|owner, reader| log(:removed, :after, reader.first_name) } def self.top(limit) ranked_by_comments.limit(limit) end def self.reset_log @log = [] end def self.log(message=nil, side=nil, new_record=nil) return @log if message.nil? @log << [message, side, new_record] end def self.what_are_you 'a post...' end end class SpecialPost < Post; end class StiPost < Post self.abstract_class = true has_one :special_comment, :class_name => "SpecialComment" end class SubStiPost < StiPost self.table_name = Post.table_name end