class AbstractCompany < ActiveRecord::Base self.abstract_class = true end class Company < AbstractCompany self.sequence_name = :companies_nonstd_seq validates_presence_of :name has_one :dummy_account, foreign_key: "firm_id", class_name: "Account" has_many :contracts has_many :developers, through: :contracts scope :of_first_firm, lambda { joins(account: :firm). where("firms.id" => 1) } def arbitrary_method "I am Jack's profound disappointment" end private def private_method "I am Jack's innermost fears and aspirations" end class SpecialCo < Company end end module Namespaced class Company < ::Company end class Firm < ::Company has_many :clients, class_name: "Namespaced::Client" end class Client < ::Company end end class Firm < Company to_param :name has_many :clients, -> { order "id" }, dependent: :destroy, before_remove: :log_before_remove, after_remove: :log_after_remove has_many :unsorted_clients, class_name: "Client" has_many :unsorted_clients_with_symbol, class_name: :Client has_many :clients_sorted_desc, -> { order "id DESC" }, class_name: "Client" has_many :clients_of_firm, -> { order "id" }, foreign_key: "client_of", class_name: "Client", inverse_of: :firm has_many :clients_ordered_by_name, -> { order "name" }, class_name: "Client" has_many :unvalidated_clients_of_firm, foreign_key: "client_of", class_name: "Client", validate: false has_many :dependent_clients_of_firm, -> { order "id" }, foreign_key: "client_of", class_name: "Client", dependent: :destroy has_many :exclusively_dependent_clients_of_firm, -> { order "id" }, foreign_key: "client_of", class_name: "Client", dependent: :delete_all has_many :limited_clients, -> { limit 1 }, class_name: "Client" has_many :clients_with_interpolated_conditions, ->(firm) { where "rating > #{firm.rating}" }, class_name: "Client" has_many :clients_like_ms, -> { where("name = 'Microsoft'").order("id") }, class_name: "Client" has_many :clients_like_ms_with_hash_conditions, -> { where(name: "Microsoft").order("id") }, class_name: "Client" has_many :plain_clients, class_name: "Client" has_many :clients_using_primary_key, class_name: "Client", primary_key: "name", foreign_key: "firm_name" has_many :clients_using_primary_key_with_delete_all, class_name: "Client", primary_key: "name", foreign_key: "firm_name", dependent: :delete_all has_many :clients_grouped_by_firm_id, -> { group("firm_id").select("firm_id") }, class_name: "Client" has_many :clients_grouped_by_name, -> { group("name").select("name") }, class_name: "Client" has_one :account, foreign_key: "firm_id", dependent: :destroy, validate: true has_one :unvalidated_account, foreign_key: "firm_id", class_name: "Account", validate: false has_one :account_with_select, -> { select("id, firm_id") }, foreign_key: "firm_id", class_name: "Account" has_one :readonly_account, -> { readonly }, foreign_key: "firm_id", class_name: "Account" # added order by id as in fixtures there are two accounts for Rails Core # Oracle tests were failing because of that as the second fixture was selected has_one :account_using_primary_key, -> { order("id") }, primary_key: "firm_id", class_name: "Account" has_one :account_using_foreign_and_primary_keys, foreign_key: "firm_name", primary_key: "name", class_name: "Account" has_one :account_with_inexistent_foreign_key, class_name: "Account", foreign_key: "inexistent" has_one :deletable_account, foreign_key: "firm_id", class_name: "Account", dependent: :delete has_one :account_limit_500_with_hash_conditions, -> { where credit_limit: 500 }, foreign_key: "firm_id", class_name: "Account" has_one :unautosaved_account, foreign_key: "firm_id", class_name: "Account", autosave: false has_many :accounts has_many :unautosaved_accounts, foreign_key: "firm_id", class_name: "Account", autosave: false has_many :association_with_references, -> { references(:foo) }, class_name: "Client" has_one :lead_developer, class_name: "Developer" has_many :projects def log @log ||= [] end private def log_before_remove(record) log << "before_remove#{record.id}" end def log_after_remove(record) log << "after_remove#{record.id}" end end class DependentFirm < Company has_one :account, foreign_key: "firm_id", dependent: :nullify has_many :companies, foreign_key: "client_of", dependent: :nullify has_one :company, foreign_key: "client_of", dependent: :nullify end class RestrictedWithExceptionFirm < Company has_one :account, -> { order("id") }, foreign_key: "firm_id", dependent: :restrict_with_exception has_many :companies, -> { order("id") }, foreign_key: "client_of", dependent: :restrict_with_exception end class RestrictedWithErrorFirm < Company has_one :account, -> { order("id") }, foreign_key: "firm_id", dependent: :restrict_with_error has_many :companies, -> { order("id") }, foreign_key: "client_of", dependent: :restrict_with_error end class Client < Company belongs_to :firm, foreign_key: "client_of" belongs_to :firm_with_basic_id, class_name: "Firm", foreign_key: "firm_id" belongs_to :firm_with_select, -> { select("id") }, class_name: "Firm", foreign_key: "firm_id" belongs_to :firm_with_other_name, class_name: "Firm", foreign_key: "client_of" belongs_to :firm_with_condition, -> { where "1 = ?", 1 }, class_name: "Firm", foreign_key: "client_of" belongs_to :firm_with_primary_key, class_name: "Firm", primary_key: "name", foreign_key: "firm_name" belongs_to :firm_with_primary_key_symbols, class_name: "Firm", primary_key: :name, foreign_key: :firm_name belongs_to :readonly_firm, -> { readonly }, class_name: "Firm", foreign_key: "firm_id" belongs_to :bob_firm, -> { where name: "Bob" }, class_name: "Firm", foreign_key: "client_of" has_many :accounts, through: :firm, source: :accounts belongs_to :account validate do firm end class RaisedOnSave < RuntimeError; end attr_accessor :raise_on_save before_save do raise RaisedOnSave if raise_on_save end class RaisedOnDestroy < RuntimeError; end attr_accessor :raise_on_destroy before_destroy do raise RaisedOnDestroy if raise_on_destroy end # Record destruction so we can test whether firm.clients.clear has # is calling client.destroy, deleting from the database, or setting # foreign keys to NULL. def self.destroyed_client_ids @destroyed_client_ids ||= Hash.new { |h, k| h[k] = [] } end before_destroy do |client| if client.firm Client.destroyed_client_ids[client.firm.id] << client.id end true end before_destroy :overwrite_to_raise # Used to test that read and question methods are not generated for these attributes def rating? query_attribute :rating end def overwrite_to_raise end end class ExclusivelyDependentFirm < Company has_one :account, foreign_key: "firm_id", dependent: :delete has_many :dependent_sanitized_conditional_clients_of_firm, -> { order("id").where("name = 'BigShot Inc.'") }, foreign_key: "client_of", class_name: "Client", dependent: :delete_all has_many :dependent_conditional_clients_of_firm, -> { order("id").where("name = ?", "BigShot Inc.") }, foreign_key: "client_of", class_name: "Client", dependent: :delete_all end class SpecialClient < Client end class VerySpecialClient < SpecialClient end class Account < ActiveRecord::Base belongs_to :firm, class_name: "Company" belongs_to :unautosaved_firm, foreign_key: "firm_id", class_name: "Firm", autosave: false alias_attribute :available_credit, :credit_limit def self.destroyed_account_ids @destroyed_account_ids ||= Hash.new { |h, k| h[k] = [] } end # Test private kernel method through collection proxy using has_many. def self.open where("firm_name = ?", "37signals") end before_destroy do |account| if account.firm Account.destroyed_account_ids[account.firm.id] << account.id end true end validate :check_empty_credit_limit private def check_empty_credit_limit errors.add("credit_limit", :blank) if credit_limit.blank? end def private_method "Sir, yes sir!" end end