1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
class Post < ActiveRecord::Base
module NamedExtension
def author
'lifo'
end
end
scope :containing_the_letter_a, where("body LIKE '%a%'")
scope :ranked_by_comments, order("comments_count DESC")
scope :limit_by, lambda {|l| limit(l) }
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'
scope :with_special_comments, :joins => :comments, :conditions => {:comments => {:type => 'SpecialComment'} }
scope :with_very_special_comments, joins(:comments).where(:comments => {:type => 'VerySpecialComment'})
scope :with_post, lambda {|post_id|
{ :joins => :comments, :conditions => {:comments => {:post_id => post_id} } }
}
has_many :comments do
def find_most_recent
find(:first, :order => "id DESC")
end
end
has_many :author_favorites, :through => :author
has_many :author_categorizations, :through => :author, :source => :categorizations
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 :taggings_with_delete_all, :class_name => 'Tagging', :as => :taggable, :dependent => :delete_all
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 :categorizations_using_author_id, :primary_key => :author_id, :foreign_key => :post_id, :class_name => 'Categorization'
has_many :authors_using_author_id, :through => :categorizations_using_author_id, :source => :author
has_many :taggings_using_author_id, :primary_key => :author_id, :as => :taggable, :class_name => 'Tagging'
has_many :tags_using_author_id, :through => :taggings_using_author_id, :source => :tag
has_many :standard_categorizations, :class_name => 'Categorization', :foreign_key => :post_id
has_many :author_using_custom_pk, :through => :standard_categorizations
has_many :authors_using_custom_pk, :through => :standard_categorizations
has_many :readers
has_many :readers_with_person, :include => :person, :class_name => "Reader"
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) }
has_many :skimmers, :class_name => 'Reader', :conditions => { :skimmer => true }
has_many :impatient_people, :through => :skimmers, :source => :person
def self.top(limit)
ranked_by_comments.limit_by(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
class PostWithComment < ActiveRecord::Base
self.table_name = 'posts'
default_scope where("posts.comments_count > 0").order("posts.comments_count ASC")
end
class PostForAuthor < ActiveRecord::Base
self.table_name = 'posts'
cattr_accessor :selected_author
default_scope lambda { where(:author_id => PostForAuthor.selected_author) }
end
class FirstPost < ActiveRecord::Base
self.table_name = 'posts'
default_scope where(:id => 1)
has_many :comments, :foreign_key => :post_id
has_one :comment, :foreign_key => :post_id
end
|
