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class Post < ActiveRecord::Base
class CategoryPost < ActiveRecord::Base
self.table_name = "categories_posts"
belongs_to :category
belongs_to :post
end
module NamedExtension
def author
"lifo"
end
end
module NamedExtension2
def greeting
"hello"
end
end
scope :containing_the_letter_a, -> { where("body LIKE '%a%'") }
scope :titled_with_an_apostrophe, -> { where("title LIKE '%''%'") }
scope :ranked_by_comments, -> { order("comments_count DESC") }
scope :limit_by, lambda { |l| limit(l) }
belongs_to :author
belongs_to :readonly_author, -> { readonly }, class_name: "Author", foreign_key: :author_id
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) }
scope :tagged_with, ->(id) { joins(:taggings).where(taggings: { tag_id: id }) }
scope :tagged_with_comment, ->(comment) { joins(:taggings).where(taggings: { comment: comment }) }
scope :typographically_interesting, -> { containing_the_letter_a.or(titled_with_an_apostrophe) }
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 :author_address_extra_with_address,
through: :author_with_address,
source: :author_address_extra
has_one :very_special_comment
has_one :very_special_comment_with_post, -> { includes(:post) }, class_name: "VerySpecialComment"
has_one :very_special_comment_with_post_with_joins, -> { joins(:post).order("posts.id") }, class_name: "VerySpecialComment"
has_many :special_comments
has_many :nonexistent_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_many :category_posts, class_name: "CategoryPost"
has_many :scategories, through: :category_posts, source: :category
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, counter_cache: :tags_count
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, counter_cache: :taggings_with_delete_all_count
has_many :taggings_with_destroy, class_name: "Tagging", as: :taggable, dependent: :destroy, counter_cache: :taggings_with_destroy_count
has_many :tags_with_destroy, through: :taggings, source: :tag, dependent: :destroy, counter_cache: :tags_with_destroy_count
has_many :tags_with_nullify, through: :taggings, source: :tag, dependent: :nullify, counter_cache: :tags_with_nullify_count
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 :images, as: :imageable, foreign_key: :imageable_identifier, foreign_type: :imageable_class
has_one :main_image, as: :imageable, foreign_key: :imageable_identifier, foreign_type: :imageable_class, class_name: "Image"
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 :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"
has_many :lazy_people, through: :lazy_readers, source: :person
has_many :lazy_readers_unscope_skimmers, -> { skimmers_or_not }, class_name: "LazyReader"
has_many :lazy_people_unscope_skimmers, through: :lazy_readers_unscope_skimmers, source: :person
def self.top(limit)
ranked_by_comments.limit_by(limit)
end
def self.written_by(author)
where(id: author.posts.pluck(:id))
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
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 FirstPost < ActiveRecord::Base
self.inheritance_column = :disabled
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.inheritance_column = :disabled
self.table_name = "posts"
default_scope { includes(:comments) }
has_many :comments, foreign_key: :post_id
end
class PostWithSpecialCategorization < Post
has_many :categorizations, foreign_key: :post_id
default_scope { where(type: "PostWithSpecialCategorization").joins(:categorizations).where(categorizations: { special: true }) }
end
class PostWithDefaultScope < ActiveRecord::Base
self.inheritance_column = :disabled
self.table_name = "posts"
default_scope { order(:title) }
end
class PostWithPreloadDefaultScope < ActiveRecord::Base
self.table_name = "posts"
has_many :readers, foreign_key: "post_id"
default_scope { preload(:readers) }
end
class PostWithIncludesDefaultScope < ActiveRecord::Base
self.table_name = "posts"
has_many :readers, foreign_key: "post_id"
default_scope { includes(:readers) }
end
class SpecialPostWithDefaultScope < ActiveRecord::Base
self.inheritance_column = :disabled
self.table_name = "posts"
default_scope { where(id: [1, 5, 6]) }
end
class PostThatLoadsCommentsInAnAfterSaveHook < ActiveRecord::Base
self.inheritance_column = :disabled
self.table_name = "posts"
has_many :comments, class_name: "CommentThatAutomaticallyAltersPostBody", foreign_key: :post_id
after_save do |post|
post.comments.load
end
end
class PostWithAfterCreateCallback < ActiveRecord::Base
self.inheritance_column = :disabled
self.table_name = "posts"
has_many :comments, foreign_key: :post_id
after_create do |post|
update_attribute(:author_id, comments.first.id)
end
end
class PostWithCommentWithDefaultScopeReferencesAssociation < ActiveRecord::Base
self.inheritance_column = :disabled
self.table_name = "posts"
has_many :comment_with_default_scope_references_associations, foreign_key: :post_id
has_one :first_comment, class_name: "CommentWithDefaultScopeReferencesAssociation", foreign_key: :post_id
end
class SerializedPost < ActiveRecord::Base
serialize :title
end
class ConditionalStiPost < Post
default_scope { where(title: "Untitled") }
end
class SubConditionalStiPost < ConditionalStiPost
end