206 lines
7.5 KiB
Ruby
206 lines
7.5 KiB
Ruby
class Post < ActiveRecord::Base
|
|
module NamedExtension
|
|
def author
|
|
'lifo'
|
|
end
|
|
end
|
|
|
|
module NamedExtension2
|
|
def greeting
|
|
"hello"
|
|
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) }
|
|
|
|
belongs_to :author do
|
|
def greeting
|
|
"hello"
|
|
end
|
|
end
|
|
|
|
belongs_to :author_with_posts, -> { includes(:posts) }, :class_name => "Author", :foreign_key => :author_id
|
|
belongs_to :author_with_address, -> { includes(:author_address) }, :class_name => "Author", :foreign_key => :author_id
|
|
|
|
def first_comment
|
|
super.body
|
|
end
|
|
has_one :first_comment, -> { order('id ASC') }, :class_name => 'Comment'
|
|
has_one :last_comment, -> { order('id desc') }, :class_name => 'Comment'
|
|
|
|
scope :with_special_comments, -> { joins(:comments).where(:comments => {:type => 'SpecialComment'}) }
|
|
scope :with_very_special_comments, -> { joins(:comments).where(:comments => {:type => 'VerySpecialComment'}) }
|
|
scope :with_post, ->(post_id) { joins(:comments).where(:comments => { :post_id => post_id }) }
|
|
|
|
scope :with_comments, -> { preload(:comments) }
|
|
scope :with_tags, -> { preload(:taggings) }
|
|
|
|
has_many :comments do
|
|
def find_most_recent
|
|
order("id DESC").first
|
|
end
|
|
|
|
def newest
|
|
created.last
|
|
end
|
|
|
|
def the_association
|
|
proxy_association
|
|
end
|
|
end
|
|
|
|
has_many :comments_with_extend, extend: NamedExtension, class_name: "Comment", foreign_key: "post_id" do
|
|
def greeting
|
|
"hello"
|
|
end
|
|
end
|
|
|
|
has_many :comments_with_extend_2, extend: [NamedExtension, NamedExtension2], class_name: "Comment", foreign_key: "post_id"
|
|
|
|
has_many :author_favorites, :through => :author
|
|
has_many :author_categorizations, :through => :author, :source => :categorizations
|
|
has_many :author_addresses, :through => :author
|
|
|
|
has_many :comments_with_interpolated_conditions,
|
|
->(p) { where "#{"#{p.aliased_table_name}." rescue ""}body = ?", 'Thank you for the welcome' },
|
|
:class_name => 'Comment'
|
|
|
|
has_one :very_special_comment
|
|
has_one :very_special_comment_with_post, -> { includes(:post) }, :class_name => "VerySpecialComment"
|
|
has_many :special_comments
|
|
has_many :nonexistant_comments, -> { where 'comments.id < 0' }, :class_name => 'Comment'
|
|
|
|
has_many :special_comments_ratings, :through => :special_comments, :source => :ratings
|
|
has_many :special_comments_ratings_taggings, :through => :special_comments_ratings, :source => :taggings
|
|
|
|
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
|
|
select('tags.*, authors.id as author_id')
|
|
.joins('left outer join posts on taggings.taggable_id = posts.id left outer join authors on posts.author_id = authors.id')
|
|
.to_a
|
|
end
|
|
end
|
|
|
|
has_many :taggings_with_delete_all, :class_name => 'Tagging', :as => :taggable, :dependent => :delete_all
|
|
has_many :taggings_with_destroy, :class_name => 'Tagging', :as => :taggable, :dependent => :destroy
|
|
|
|
has_many :tags_with_destroy, :through => :taggings, :source => :tag, :dependent => :destroy
|
|
has_many :tags_with_nullify, :through => :taggings, :source => :tag, :dependent => :nullify
|
|
|
|
has_many :misc_tags, -> { where :tags => { :name => 'Misc' } }, :through => :taggings, :source => :tag
|
|
has_many :funky_tags, :through => :taggings, :source => :tag
|
|
has_many :super_tags, :through => :taggings
|
|
has_many :tags_with_primary_key, :through => :taggings, :source => :tag_with_primary_key
|
|
has_one :tagging, :as => :taggable
|
|
|
|
has_many :first_taggings, -> { where :taggings => { :comment => 'first' } }, :as => :taggable, :class_name => 'Tagging'
|
|
has_many :first_blue_tags, -> { where :tags => { :name => 'Blue' } }, :through => :first_taggings, :source => :tag
|
|
|
|
has_many :first_blue_tags_2, -> { where :taggings => { :comment => 'first' } }, :through => :taggings, :source => :blue_tag
|
|
|
|
has_many :invalid_taggings, -> { where 'taggings.id < 0' }, :as => :taggable, :class_name => "Tagging"
|
|
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 :named_categories, :through => :standard_categorizations
|
|
|
|
has_many :readers
|
|
has_many :secure_readers
|
|
has_many :readers_with_person, -> { includes(:person) }, :class_name => "Reader"
|
|
has_many :people, :through => :readers
|
|
has_many :secure_people, :through => :secure_readers
|
|
has_many :single_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, -> { where :skimmer => true }, :class_name => 'Reader'
|
|
has_many :impatient_people, :through => :skimmers, :source => :person
|
|
|
|
has_many :lazy_readers
|
|
has_many :lazy_readers_skimmers_or_not, -> { where(skimmer: [ true, false ]) }, :class_name => 'LazyReader'
|
|
|
|
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
|
|
|
|
ActiveSupport::Deprecation.silence do
|
|
class DeprecatedPostWithComment < ActiveRecord::Base
|
|
self.table_name = 'posts'
|
|
default_scope where("posts.comments_count > 0").order("posts.comments_count ASC")
|
|
end
|
|
end
|
|
|
|
class PostForAuthor < ActiveRecord::Base
|
|
self.table_name = 'posts'
|
|
cattr_accessor :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
|
|
|
|
class PostWithDefaultInclude < ActiveRecord::Base
|
|
self.table_name = 'posts'
|
|
default_scope { includes(:comments) }
|
|
has_many :comments, :foreign_key => :post_id
|
|
end
|
|
|
|
class PostWithDefaultScope < ActiveRecord::Base
|
|
self.table_name = 'posts'
|
|
default_scope { order(:title) }
|
|
end
|
|
|
|
class SpecialPostWithDefaultScope < ActiveRecord::Base
|
|
self.table_name = 'posts'
|
|
default_scope { where(:id => [1, 5,6]) }
|
|
end
|