Interview Question #3

question3.rb

class Author < ActiveRecord::Base
  attr_accessible :name, :admin # :name => string, :admin => boolean
  has_many :posts
end

class Post < ActiveRecord::Base
  attr_accessible :name, :description # :author_id => int, :name => string, :description => string
  belongs_to :author
  has_many :comments
end

class Comment < ActiveRecord::Base
  attr_accessible :description # :post_id => int, :description => string
  belongs_to :post
end

# Structure example:
# Author -- name: James Strong, admin: true
#   Post -- name: "I like Ruby", description "Ruby on Rails is great!"
#     Comment -- description: "This is a good post"

# => Search all the Comments that have an Author (through the Post relationship) that is an administrator.