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class Category < ActiveRecord::Base
has_and_belongs_to_many :posts
has_and_belongs_to_many :special_posts, class_name: "Post"
has_and_belongs_to_many :other_posts, class_name: "Post"
has_and_belongs_to_many :posts_with_authors_sorted_by_author_id, -> { includes(:authors).order("authors.id") }, class_name: "Post"
has_and_belongs_to_many :select_testing_posts,
-> { select "posts.*, 1 as correctness_marker" },
class_name: "Post",
foreign_key: "category_id",
association_foreign_key: "post_id"
has_and_belongs_to_many :post_with_conditions,
-> { where title: "Yet Another Testing Title" },
class_name: "Post"
has_and_belongs_to_many :popular_grouped_posts, -> { group("posts.type").having("sum(comments.post_id) > 2").includes(:comments) }, class_name: "Post"
has_and_belongs_to_many :posts_grouped_by_title, -> { group("title").select("title") }, class_name: "Post"
def self.what_are_you
"a category..."
end
has_many :categorizations
has_many :special_categorizations
has_many :post_comments, through: :posts, source: :comments
has_many :authors, through: :categorizations
has_many :authors_with_select, -> { select "authors.*, categorizations.post_id" }, through: :categorizations, source: :author
scope :general, -> { where(name: "General") }
# Should be delegated `ast` and `locked` to `arel`.
def self.ast
raise
end
def self.locked
raise
end
end
class SpecialCategory < Category
end
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