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class Person < ActiveRecord::Base
has_many :readers
has_many :secure_readers
has_one :reader
has_many :posts, :through => :readers
has_many :secure_posts, :through => :secure_readers
has_many :posts_with_no_comments, -> { includes(:comments).where('comments.id is null').references(:comments) },
:through => :readers, :source => :post
has_many :friendships, foreign_key: 'friend_id'
# friends_too exists to test a bug, and probably shouldn't be used elsewhere
has_many :friends_too, foreign_key: 'friend_id', class_name: 'Friendship'
has_many :followers, through: :friendships
has_many :references
has_many :bad_references
has_many :fixed_bad_references, -> { where :favourite => true }, :class_name => 'BadReference'
has_one :favourite_reference, -> { where 'favourite=?', true }, :class_name => 'Reference'
has_many :posts_with_comments_sorted_by_comment_id, -> { includes(:comments).order('comments.id') }, :through => :readers, :source => :post
has_many :first_posts, -> { where(id: [1, 2]) }, through: :readers
has_many :jobs, :through => :references
has_many :jobs_with_dependent_destroy, :source => :job, :through => :references, :dependent => :destroy
has_many :jobs_with_dependent_delete_all, :source => :job, :through => :references, :dependent => :delete_all
has_many :jobs_with_dependent_nullify, :source => :job, :through => :references, :dependent => :nullify
belongs_to :primary_contact, :class_name => 'Person'
has_many :agents, :class_name => 'Person', :foreign_key => 'primary_contact_id'
has_many :agents_of_agents, :through => :agents, :source => :agents
belongs_to :number1_fan, :class_name => 'Person'
has_many :agents_posts, :through => :agents, :source => :posts
has_many :agents_posts_authors, :through => :agents_posts, :source => :author
has_many :essays, primary_key: "first_name", foreign_key: "writer_id"
scope :males, -> { where(:gender => 'M') }
scope :females, -> { where(:gender => 'F') }
end
class PersonWithDependentDestroyJobs < ActiveRecord::Base
self.table_name = 'people'
has_many :references, :foreign_key => :person_id
has_many :jobs, :source => :job, :through => :references, :dependent => :destroy
end
class PersonWithDependentDeleteAllJobs < ActiveRecord::Base
self.table_name = 'people'
has_many :references, :foreign_key => :person_id
has_many :jobs, :source => :job, :through => :references, :dependent => :delete_all
end
class PersonWithDependentNullifyJobs < ActiveRecord::Base
self.table_name = 'people'
has_many :references, :foreign_key => :person_id
has_many :jobs, :source => :job, :through => :references, :dependent => :nullify
end
class LoosePerson < ActiveRecord::Base
self.table_name = 'people'
self.abstract_class = true
has_one :best_friend, :class_name => 'LoosePerson', :foreign_key => :best_friend_id
belongs_to :best_friend_of, :class_name => 'LoosePerson', :foreign_key => :best_friend_of_id
has_many :best_friends, :class_name => 'LoosePerson', :foreign_key => :best_friend_id
accepts_nested_attributes_for :best_friend, :best_friend_of, :best_friends
end
class LooseDescendant < LoosePerson; end
class TightPerson < ActiveRecord::Base
self.table_name = 'people'
has_one :best_friend, :class_name => 'TightPerson', :foreign_key => :best_friend_id
belongs_to :best_friend_of, :class_name => 'TightPerson', :foreign_key => :best_friend_of_id
has_many :best_friends, :class_name => 'TightPerson', :foreign_key => :best_friend_id
accepts_nested_attributes_for :best_friend, :best_friend_of, :best_friends
end
class TightDescendant < TightPerson; end
class RichPerson < ActiveRecord::Base
self.table_name = 'people'
has_and_belongs_to_many :treasures, :join_table => 'peoples_treasures'
before_validation :run_before_create, on: :create
before_validation :run_before_validation
private
def run_before_create
self.first_name = first_name.to_s + 'run_before_create'
end
def run_before_validation
self.first_name = first_name.to_s + 'run_before_validation'
end
end
class NestedPerson < ActiveRecord::Base
self.table_name = 'people'
has_one :best_friend, :class_name => 'NestedPerson', :foreign_key => :best_friend_id
accepts_nested_attributes_for :best_friend, :update_only => true
def comments=(new_comments)
raise RuntimeError
end
def best_friend_first_name=(new_name)
assign_attributes({ :best_friend_attributes => { :first_name => new_name } })
end
end
class Insure
INSURES = %W{life annuality}
def self.load mask
INSURES.select do |insure|
(1 << INSURES.index(insure)) & mask.to_i > 0
end
end
def self.dump insures
numbers = insures.map { |insure| INSURES.index(insure) }
numbers.inject(0) { |sum, n| sum + (1 << n) }
end
end
class SerializedPerson < ActiveRecord::Base
self.table_name = 'people'
serialize :insures, Insure
end
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