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

   1 class Author < ActiveRecord::Base
   2   has_many :posts
   3   has_many :posts_with_comments, :include => :comments, :class_name => "Post"
   4   has_many :popular_grouped_posts, :include => :comments, :class_name => "Post", :group => "type", :having => "SUM(comments_count) > 1", :select => "type"
   5   has_many :posts_with_comments_sorted_by_comment_id, :include => :comments, :class_name => "Post", :order => 'comments.id'
   6   has_many :posts_sorted_by_id_limited, :class_name => "Post", :order => 'posts.id', :limit => 1
   7   has_many :posts_with_categories, :include => :categories, :class_name => "Post"
   8   has_many :posts_with_comments_and_categories, :include => [ :comments, :categories ], :order => "posts.id", :class_name => "Post"
   9   has_many :posts_containing_the_letter_a, :class_name => "Post"
  10   has_many :posts_with_extension, :class_name => "Post" do #, :extend => ProxyTestExtension
  11     def testing_proxy_owner
  12       proxy_owner
  13     end
  14     def testing_proxy_reflection
  15       proxy_reflection
  16     end
  17     def testing_proxy_target
  18       proxy_target
  19     end
  20   end
  21   has_one  :post_about_thinking, :class_name => 'Post', :conditions => "posts.title like '%thinking%'"
  22   has_one  :post_about_thinking_with_last_comment, :class_name => 'Post', :conditions => "posts.title like '%thinking%'", :include => :last_comment
  23   has_many :comments, :through => :posts
  24   has_many :comments_containing_the_letter_e, :through => :posts, :source => :comments
  25   has_many :comments_with_order_and_conditions, :through => :posts, :source => :comments, :order => 'comments.body', :conditions => "comments.body like 'Thank%'"
  26   has_many :comments_with_include, :through => :posts, :source => :comments, :include => :post
  27
  28
  29   has_many :comments_desc, :through => :posts, :source => :comments, :order => 'comments.id DESC'
  30   has_many :limited_comments, :through => :posts, :source => :comments, :limit => 1
  31   has_many :funky_comments, :through => :posts, :source => :comments
  32   has_many :ordered_uniq_comments, :through => :posts, :source => :comments, :uniq => true, :order => 'comments.id'
  33   has_many :ordered_uniq_comments_desc, :through => :posts, :source => :comments, :uniq => true, :order => 'comments.id DESC'
  34   has_many :readonly_comments, :through => :posts, :source => :comments, :readonly => true
  35
  36   has_many :special_posts
  37   has_many :special_post_comments, :through => :special_posts, :source => :comments
  38
  39   has_many :sti_posts, :class_name => 'StiPost'
  40   has_many :sti_post_comments, :through => :sti_posts, :source => :comments
  41
  42   has_many :special_nonexistant_posts, :class_name => "SpecialPost", :conditions => "posts.body = 'nonexistant'"
  43   has_many :special_nonexistant_post_comments, :through => :special_nonexistant_posts, :source => :comments, :conditions => "comments.post_id = 0"
  44   has_many :nonexistant_comments, :through => :posts
  45
  46   has_many :hello_posts, :class_name => "Post", :conditions => "posts.body = 'hello'"
  47   has_many :hello_post_comments, :through => :hello_posts, :source => :comments
  48   has_many :posts_with_no_comments, :class_name => 'Post', :conditions => 'comments.id is null', :include => :comments
  49
  50   has_many :hello_posts_with_hash_conditions, :class_name => "Post",
  51 :conditions => {:body => 'hello'}
  52   has_many :hello_post_comments_with_hash_conditions, :through =>
  53 :hello_posts_with_hash_conditions, :source => :comments
  54
  55   has_many :other_posts,          :class_name => "Post"
  56   has_many :posts_with_callbacks, :class_name => "Post", :before_add => :log_before_adding,
  57            :after_add     => :log_after_adding,
  58            :before_remove => :log_before_removing,
  59            :after_remove  => :log_after_removing
  60   has_many :posts_with_proc_callbacks, :class_name => "Post",
  61            :before_add    => Proc.new {|o, r| o.post_log << "before_adding#{r.id || '<new>'}"},
  62            :after_add     => Proc.new {|o, r| o.post_log << "after_adding#{r.id || '<new>'}"},
  63            :before_remove => Proc.new {|o, r| o.post_log << "before_removing#{r.id}"},
  64            :after_remove  => Proc.new {|o, r| o.post_log << "after_removing#{r.id}"}
  65   has_many :posts_with_multiple_callbacks, :class_name => "Post",
  66            :before_add => [:log_before_adding, Proc.new {|o, r| o.post_log << "before_adding_proc#{r.id || '<new>'}"}],
  67            :after_add  => [:log_after_adding,  Proc.new {|o, r| o.post_log << "after_adding_proc#{r.id || '<new>'}"}]
  68   has_many :unchangable_posts, :class_name => "Post", :before_add => :raise_exception, :after_add => :log_after_adding
  69
  70   has_many :categorizations
  71   has_many :categories, :through => :categorizations
  72
  73   has_many :categories_like_general, :through => :categorizations, :source => :category, :class_name => 'Category', :conditions => { :name => 'General' }
  74
  75   has_many :categorized_posts, :through => :categorizations, :source => :post
  76   has_many :unique_categorized_posts, :through => :categorizations, :source => :post, :uniq => true
  77
  78   has_many :nothings, :through => :kateggorisatons, :class_name => 'Category'
  79
  80   has_many :author_favorites
  81   has_many :favorite_authors, :through => :author_favorites, :order => 'name'
  82
  83   has_many :tagging,  :through => :posts # through polymorphic has_one
  84   has_many :taggings, :through => :posts, :source => :taggings # through polymorphic has_many
  85   has_many :tags,     :through => :posts # through has_many :through
  86   has_many :post_categories, :through => :posts, :source => :categories
  87
  88   belongs_to :author_address, :dependent => :destroy
  89   belongs_to :author_address_extra, :dependent => :delete, :class_name => "AuthorAddress"
  90
  91   attr_accessor :post_log
  92
  93   def after_initialize
  94     @post_log = []
  95   end
  96
  97   def label
  98     "#{id}-#{name}"
  99   end
 100
 101   private
 102     def log_before_adding(object)
 103       @post_log << "before_adding#{object.id || '<new>'}"
 104     end
 105
 106     def log_after_adding(object)
 107       @post_log << "after_adding#{object.id}"
 108     end
 109
 110     def log_before_removing(object)
 111       @post_log << "before_removing#{object.id}"
 112     end
 113
 114     def log_after_removing(object)
 115       @post_log << "after_removing#{object.id}"
 116     end
 117
 118     def raise_exception(object)
 119       raise Exception.new("You can't add a post")
 120     end
 121 end
 122
 123 class AuthorAddress < ActiveRecord::Base
 124   has_one :author
 125
 126   def self.destroyed_author_address_ids
 127     @destroyed_author_address_ids ||= Hash.new { |h,k| h[k] = [] }
 128   end
 129
 130   before_destroy do |author_address|
 131     if author_address.author
 132       AuthorAddress.destroyed_author_address_ids[author_address.author.id] << author_address.id
 133     end
 134     true
 135   end
 136 end
 137
 138 class AuthorFavorite < ActiveRecord::Base
 139   belongs_to :author
 140   belongs_to :favorite_author, :class_name => "Author"
 141 end