vendor/rails/activerecord/test/models/post.rb

   1 class Post < ActiveRecord::Base
   2   named_scope :containing_the_letter_a, :conditions => "body LIKE '%a%'"
   3   named_scope :with_authors_at_address, lambda { |address| {
   4       :conditions => [ 'authors.author_address_id = ?', address.id ],
   5       :joins => 'JOIN authors ON authors.id = posts.author_id'
   6     }
   7   }
   8
   9   belongs_to :author do
  10     def greeting
  11       "hello"
  12     end
  13   end
  14
  15   belongs_to :author_with_posts, :class_name => "Author", :foreign_key => :author_id, :include => :posts
  16   belongs_to :author_with_address, :class_name => "Author", :foreign_key => :author_id, :include => :author_address
  17
  18   has_one :last_comment, :class_name => 'Comment', :order => 'id desc'
  19
  20   has_many   :comments, :order => "body" do
  21     def find_most_recent
  22       find(:first, :order => "id DESC")
  23     end
  24   end
  25
  26   has_many :author_favorites, :through => :author
  27
  28   has_many :comments_with_interpolated_conditions, :class_name => 'Comment',
  29       :conditions => ['#{"#{aliased_table_name}." rescue ""}body = ?', 'Thank you for the welcome']
  30
  31   has_one  :very_special_comment
  32   has_one  :very_special_comment_with_post, :class_name => "VerySpecialComment", :include => :post
  33   has_many :special_comments
  34   has_many :nonexistant_comments, :class_name => 'Comment', :conditions => 'comments.id < 0'
  35
  36   has_and_belongs_to_many :categories
  37   has_and_belongs_to_many :special_categories, :join_table => "categories_posts", :association_foreign_key => 'category_id'
  38
  39   has_many :taggings, :as => :taggable
  40   has_many :tags, :through => :taggings do
  41     def add_joins_and_select
  42       find :all, :select => 'tags.*, authors.id as author_id', :include => false,
  43         :joins => 'left outer join posts on taggings.taggable_id = posts.id left outer join authors on posts.author_id = authors.id'
  44     end
  45   end
  46
  47   has_many :funky_tags, :through => :taggings, :source => :tag
  48   has_many :super_tags, :through => :taggings
  49   has_one :tagging, :as => :taggable
  50
  51   has_many :invalid_taggings, :as => :taggable, :class_name => "Tagging", :conditions => 'taggings.id < 0'
  52   has_many :invalid_tags, :through => :invalid_taggings, :source => :tag
  53
  54   has_many :categorizations, :foreign_key => :category_id
  55   has_many :authors, :through => :categorizations
  56
  57   has_many :readers
  58   has_many :people, :through => :readers
  59   has_many :people_with_callbacks, :source=>:person, :through => :readers,
  60               :before_add    => lambda {|owner, reader| log(:added,   :before, reader.first_name) },
  61               :after_add     => lambda {|owner, reader| log(:added,   :after,  reader.first_name) },
  62               :before_remove => lambda {|owner, reader| log(:removed, :before, reader.first_name) },
  63               :after_remove  => lambda {|owner, reader| log(:removed, :after,  reader.first_name) }
  64
  65   def self.reset_log
  66     @log = []
  67   end
  68
  69   def self.log(message=nil, side=nil, new_record=nil)
  70     return @log if message.nil?
  71     @log << [message, side, new_record]
  72   end
  73
  74   def self.what_are_you
  75     'a post...'
  76   end
  77 end
  78
  79 class SpecialPost < Post; end
  80
  81 class StiPost < Post
  82   self.abstract_class = true
  83   has_one :special_comment, :class_name => "SpecialComment"
  84 end
  85
  86 class SubStiPost < StiPost
  87   self.table_name = Post.table_name
  88 end