mirror of
https://github.com/rails/rails.git
synced 2022-11-09 12:12:34 -05:00
239 lines
9.2 KiB
Ruby
239 lines
9.2 KiB
Ruby
class Post < ActiveRecord::Base
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class CategoryPost < ActiveRecord::Base
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self.table_name = "categories_posts"
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belongs_to :category
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belongs_to :post
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end
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module NamedExtension
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def author
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'lifo'
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end
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end
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module NamedExtension2
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def greeting
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"hello"
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end
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end
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scope :containing_the_letter_a, -> { where("body LIKE '%a%'") }
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scope :ranked_by_comments, -> { order("comments_count DESC") }
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scope :limit_by, lambda {|l| limit(l) }
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belongs_to :author
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belongs_to :author_with_posts, -> { includes(:posts) }, :class_name => "Author", :foreign_key => :author_id
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belongs_to :author_with_address, -> { includes(:author_address) }, :class_name => "Author", :foreign_key => :author_id
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def first_comment
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super.body
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end
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has_one :first_comment, -> { order('id ASC') }, :class_name => 'Comment'
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has_one :last_comment, -> { order('id desc') }, :class_name => 'Comment'
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scope :with_special_comments, -> { joins(:comments).where(:comments => {:type => 'SpecialComment'}) }
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scope :with_very_special_comments, -> { joins(:comments).where(:comments => {:type => 'VerySpecialComment'}) }
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scope :with_post, ->(post_id) { joins(:comments).where(:comments => { :post_id => post_id }) }
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scope :with_comments, -> { preload(:comments) }
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scope :with_tags, -> { preload(:taggings) }
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scope :tagged_with, ->(id) { joins(:taggings).where(taggings: { tag_id: id }) }
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scope :tagged_with_comment, ->(comment) { joins(:taggings).where(taggings: { comment: comment }) }
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has_many :comments do
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def find_most_recent
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order("id DESC").first
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end
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def newest
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created.last
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end
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def the_association
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proxy_association
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end
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end
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has_many :comments_with_extend, extend: NamedExtension, class_name: "Comment", foreign_key: "post_id" do
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def greeting
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"hello"
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end
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end
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has_many :comments_with_extend_2, extend: [NamedExtension, NamedExtension2], class_name: "Comment", foreign_key: "post_id"
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has_many :author_favorites, :through => :author
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has_many :author_categorizations, :through => :author, :source => :categorizations
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has_many :author_addresses, :through => :author
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has_many :author_address_extra_with_address,
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through: :author_with_address,
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source: :author_address_extra
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has_one :very_special_comment
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has_one :very_special_comment_with_post, -> { includes(:post) }, :class_name => "VerySpecialComment"
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has_one :very_special_comment_with_post_with_joins, -> { joins(:post).order('posts.id') }, class_name: "VerySpecialComment"
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has_many :special_comments
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has_many :nonexistent_comments, -> { where 'comments.id < 0' }, :class_name => 'Comment'
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has_many :special_comments_ratings, :through => :special_comments, :source => :ratings
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has_many :special_comments_ratings_taggings, :through => :special_comments_ratings, :source => :taggings
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has_many :category_posts, :class_name => 'CategoryPost'
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has_many :scategories, through: :category_posts, source: :category
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has_and_belongs_to_many :categories
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has_and_belongs_to_many :special_categories, :join_table => "categories_posts", :association_foreign_key => 'category_id'
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has_many :taggings, :as => :taggable, :counter_cache => :tags_count
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has_many :tags, :through => :taggings do
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def add_joins_and_select
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select('tags.*, authors.id as author_id')
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.joins('left outer join posts on taggings.taggable_id = posts.id left outer join authors on posts.author_id = authors.id')
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.to_a
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end
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end
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has_many :taggings_with_delete_all, :class_name => 'Tagging', :as => :taggable, :dependent => :delete_all
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has_many :taggings_with_destroy, :class_name => 'Tagging', :as => :taggable, :dependent => :destroy
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has_many :tags_with_destroy, :through => :taggings, :source => :tag, :dependent => :destroy
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has_many :tags_with_nullify, :through => :taggings, :source => :tag, :dependent => :nullify
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has_many :misc_tags, -> { where :tags => { :name => 'Misc' } }, :through => :taggings, :source => :tag
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has_many :funky_tags, :through => :taggings, :source => :tag
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has_many :super_tags, :through => :taggings
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has_many :tags_with_primary_key, :through => :taggings, :source => :tag_with_primary_key
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has_one :tagging, :as => :taggable
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has_many :first_taggings, -> { where :taggings => { :comment => 'first' } }, :as => :taggable, :class_name => 'Tagging'
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has_many :first_blue_tags, -> { where :tags => { :name => 'Blue' } }, :through => :first_taggings, :source => :tag
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has_many :first_blue_tags_2, -> { where :taggings => { :comment => 'first' } }, :through => :taggings, :source => :blue_tag
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has_many :invalid_taggings, -> { where 'taggings.id < 0' }, :as => :taggable, :class_name => "Tagging"
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has_many :invalid_tags, :through => :invalid_taggings, :source => :tag
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has_many :categorizations, :foreign_key => :category_id
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has_many :authors, :through => :categorizations
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has_many :categorizations_using_author_id, :primary_key => :author_id, :foreign_key => :post_id, :class_name => 'Categorization'
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has_many :authors_using_author_id, :through => :categorizations_using_author_id, :source => :author
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has_many :taggings_using_author_id, :primary_key => :author_id, :as => :taggable, :class_name => 'Tagging'
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has_many :tags_using_author_id, :through => :taggings_using_author_id, :source => :tag
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has_many :images, :as => :imageable, :foreign_key => :imageable_identifier, :foreign_type => :imageable_class
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has_one :main_image, :as => :imageable, :foreign_key => :imageable_identifier, :foreign_type => :imageable_class, :class_name => 'Image'
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has_many :standard_categorizations, :class_name => 'Categorization', :foreign_key => :post_id
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has_many :author_using_custom_pk, :through => :standard_categorizations
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has_many :authors_using_custom_pk, :through => :standard_categorizations
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has_many :named_categories, :through => :standard_categorizations
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has_many :readers
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has_many :secure_readers
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has_many :readers_with_person, -> { includes(:person) }, :class_name => "Reader"
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has_many :people, :through => :readers
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has_many :single_people, :through => :readers
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has_many :people_with_callbacks, :source=>:person, :through => :readers,
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:before_add => lambda {|owner, reader| log(:added, :before, reader.first_name) },
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:after_add => lambda {|owner, reader| log(:added, :after, reader.first_name) },
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:before_remove => lambda {|owner, reader| log(:removed, :before, reader.first_name) },
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:after_remove => lambda {|owner, reader| log(:removed, :after, reader.first_name) }
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has_many :skimmers, -> { where :skimmer => true }, :class_name => 'Reader'
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has_many :impatient_people, :through => :skimmers, :source => :person
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has_many :lazy_readers
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has_many :lazy_readers_skimmers_or_not, -> { where(skimmer: [ true, false ]) }, :class_name => 'LazyReader'
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has_many :lazy_people, :through => :lazy_readers, :source => :person
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has_many :lazy_readers_unscope_skimmers, -> { skimmers_or_not }, :class_name => 'LazyReader'
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has_many :lazy_people_unscope_skimmers, :through => :lazy_readers_unscope_skimmers, :source => :person
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def self.top(limit)
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ranked_by_comments.limit_by(limit)
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end
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def self.written_by(author)
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where(id: author.posts.pluck(:id))
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end
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def self.reset_log
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@log = []
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end
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def self.log(message=nil, side=nil, new_record=nil)
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return @log if message.nil?
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@log << [message, side, new_record]
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end
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end
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class SpecialPost < Post; end
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class StiPost < Post
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self.abstract_class = true
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has_one :special_comment, :class_name => "SpecialComment"
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end
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class SubStiPost < StiPost
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self.table_name = Post.table_name
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end
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class FirstPost < ActiveRecord::Base
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self.table_name = 'posts'
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default_scope { where(:id => 1) }
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has_many :comments, :foreign_key => :post_id
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has_one :comment, :foreign_key => :post_id
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end
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class PostWithDefaultInclude < ActiveRecord::Base
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self.table_name = 'posts'
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default_scope { includes(:comments) }
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has_many :comments, :foreign_key => :post_id
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end
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class PostWithSpecialCategorization < Post
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has_many :categorizations, :foreign_key => :post_id
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default_scope { where(:type => 'PostWithSpecialCategorization').joins(:categorizations).where(:categorizations => { :special => true }) }
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end
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class PostWithDefaultScope < ActiveRecord::Base
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self.table_name = 'posts'
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default_scope { order(:title) }
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end
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class SpecialPostWithDefaultScope < ActiveRecord::Base
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self.table_name = 'posts'
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default_scope { where(:id => [1, 5,6]) }
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end
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class PostThatLoadsCommentsInAnAfterSaveHook < ActiveRecord::Base
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self.table_name = 'posts'
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has_many :comments, class_name: "CommentThatAutomaticallyAltersPostBody", foreign_key: :post_id
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after_save do |post|
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post.comments.load
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end
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end
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class PostWithAfterCreateCallback < ActiveRecord::Base
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self.table_name = 'posts'
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has_many :comments, foreign_key: :post_id
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after_create do |post|
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update_attribute(:author_id, comments.first.id)
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end
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end
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class PostWithCommentWithDefaultScopeReferencesAssociation < ActiveRecord::Base
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self.table_name = 'posts'
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has_many :comment_with_default_scope_references_associations, foreign_key: :post_id
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has_one :first_comment, class_name: "CommentWithDefaultScopeReferencesAssociation", foreign_key: :post_id
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end
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class SerializedPost < ActiveRecord::Base
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serialize :title
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end
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