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class Post < ActiveRecord::Base
named_scope :containing_the_letter_a, :conditions => "body LIKE '%a%'"
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
has_one :last_comment, :class_name => 'Comment', :order => 'id desc'
has_many :comments, :order => "body" do
def find_most_recent
find(:first, :order => "id DESC")
end
end
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 :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.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
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