diff options
Diffstat (limited to 'activerecord/lib/active_record/associations/builder')
7 files changed, 61 insertions, 59 deletions
diff --git a/activerecord/lib/active_record/associations/builder/association.rb b/activerecord/lib/active_record/associations/builder/association.rb index d0534056d9..7c69cd65ee 100644 --- a/activerecord/lib/active_record/associations/builder/association.rb +++ b/activerecord/lib/active_record/associations/builder/association.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + # This is the parent Association class which defines the variables # used by all associations. # @@ -36,11 +38,6 @@ module ActiveRecord::Associations::Builder # :nodoc: def self.create_reflection(model, name, scope, options, extension = nil) raise ArgumentError, "association names must be a Symbol" unless name.kind_of?(Symbol) - if scope.is_a?(Hash) - options = scope - scope = nil - end - validate_options(options) scope = build_scope(scope, extension) @@ -107,8 +104,8 @@ module ActiveRecord::Associations::Builder # :nodoc: def self.define_readers(mixin, name) mixin.class_eval <<-CODE, __FILE__, __LINE__ + 1 - def #{name}(*args) - association(:#{name}).reader(*args) + def #{name} + association(:#{name}).reader end CODE end diff --git a/activerecord/lib/active_record/associations/builder/belongs_to.rb b/activerecord/lib/active_record/associations/builder/belongs_to.rb index a1609ab0fb..0166ed98ca 100644 --- a/activerecord/lib/active_record/associations/builder/belongs_to.rb +++ b/activerecord/lib/active_record/associations/builder/belongs_to.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + module ActiveRecord::Associations::Builder # :nodoc: class BelongsTo < SingularAssociation #:nodoc: def self.macro @@ -5,7 +7,7 @@ module ActiveRecord::Associations::Builder # :nodoc: end def self.valid_options(options) - super + [:polymorphic, :touch, :counter_cache, :optional] + super + [:polymorphic, :touch, :counter_cache, :optional, :default] end def self.valid_dependent_options @@ -16,6 +18,7 @@ module ActiveRecord::Associations::Builder # :nodoc: super add_counter_cache_callbacks(model, reflection) if reflection.options[:counter_cache] add_touch_callbacks(model, reflection) if reflection.options[:touch] + add_default_callbacks(model, reflection) if reflection.options[:default] end def self.define_accessors(mixin, reflection) @@ -31,11 +34,9 @@ module ActiveRecord::Associations::Builder # :nodoc: foreign_key = reflection.foreign_key cache_column = reflection.counter_cache_column - if (@_after_create_counter_called ||= false) - @_after_create_counter_called = false - elsif (@_after_replace_counter_called ||= false) + if @_after_replace_counter_called ||= false @_after_replace_counter_called = false - elsif saved_change_to_attribute?(foreign_key) && !new_record? + elsif association(reflection.name).target_changed? if reflection.polymorphic? model = attribute_in_database(reflection.foreign_type).try(:constantize) model_was = attribute_before_last_save(reflection.foreign_type).try(:constantize) @@ -47,15 +48,21 @@ module ActiveRecord::Associations::Builder # :nodoc: foreign_key_was = attribute_before_last_save foreign_key foreign_key = attribute_in_database foreign_key - if foreign_key && model.respond_to?(:increment_counter) - model.increment_counter(cache_column, foreign_key) + if foreign_key && model < ActiveRecord::Base + counter_cache_target(reflection, model, foreign_key).update_counters(cache_column => 1) end - if foreign_key_was && model_was.respond_to?(:decrement_counter) - model_was.decrement_counter(cache_column, foreign_key_was) + if foreign_key_was && model_was < ActiveRecord::Base + counter_cache_target(reflection, model_was, foreign_key_was).update_counters(cache_column => -1) end end end + + private + def counter_cache_target(reflection, model, foreign_key) + primary_key = reflection.association_primary_key(model) + model.unscoped.where!(primary_key => foreign_key) + end end end @@ -83,7 +90,8 @@ module ActiveRecord::Associations::Builder # :nodoc: else klass = association.klass end - old_record = klass.find_by(klass.primary_key => old_foreign_id) + primary_key = reflection.association_primary_key(klass) + old_record = klass.find_by(primary_key => old_foreign_id) if old_record if touch != true @@ -113,9 +121,19 @@ module ActiveRecord::Associations::Builder # :nodoc: BelongsTo.touch_record(record, record.send(changes_method), foreign_key, n, touch, belongs_to_touch_method) }} - model.after_save callback.(:saved_changes), if: :saved_changes? - model.after_touch callback.(:changes_to_save) - model.after_destroy callback.(:changes_to_save) + unless reflection.counter_cache_column + model.after_create callback.(:saved_changes), if: :saved_changes? + model.after_destroy callback.(:changes_to_save) + end + + model.after_update callback.(:saved_changes), if: :saved_changes? + model.after_touch callback.(:changes_to_save) + end + + def self.add_default_callbacks(model, reflection) + model.before_validation lambda { |o| + o.association(reflection.name).default(&reflection.options[:default]) + } end def self.add_destroy_callbacks(model, reflection) diff --git a/activerecord/lib/active_record/associations/builder/collection_association.rb b/activerecord/lib/active_record/associations/builder/collection_association.rb index edeb6491bd..35a72c3850 100644 --- a/activerecord/lib/active_record/associations/builder/collection_association.rb +++ b/activerecord/lib/active_record/associations/builder/collection_association.rb @@ -1,4 +1,4 @@ -# This class is inherited by the has_many and has_many_and_belongs_to_many association classes +# frozen_string_literal: true require "active_record/associations" diff --git a/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb b/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb index 6b71826431..e3070e0472 100644 --- a/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb +++ b/activerecord/lib/active_record/associations/builder/has_and_belongs_to_many.rb @@ -1,38 +1,7 @@ +# frozen_string_literal: true + module ActiveRecord::Associations::Builder # :nodoc: class HasAndBelongsToMany # :nodoc: - class JoinTableResolver # :nodoc: - KnownTable = Struct.new :join_table - - class KnownClass # :nodoc: - def initialize(lhs_class, rhs_class_name) - @lhs_class = lhs_class - @rhs_class_name = rhs_class_name - @join_table = nil - end - - def join_table - @join_table ||= [@lhs_class.table_name, klass.table_name].sort.join("\0").gsub(/^(.*[._])(.+)\0\1(.+)/, '\1\2_\3').tr("\0", "_") - end - - private - - def klass - @lhs_class.send(:compute_type, @rhs_class_name) - end - end - - def self.build(lhs_class, name, options) - if options[:join_table] - KnownTable.new options[:join_table].to_s - else - class_name = options.fetch(:class_name) { - name.to_s.camelize.singularize - } - KnownClass.new lhs_class, class_name.to_s - end - end - end - attr_reader :lhs_model, :association_name, :options def initialize(association_name, lhs_model, options) @@ -42,10 +11,8 @@ module ActiveRecord::Associations::Builder # :nodoc: end def through_model - habtm = JoinTableResolver.build lhs_model, association_name, options - join_model = Class.new(ActiveRecord::Base) { - class << self; + class << self attr_accessor :left_model attr_accessor :name attr_accessor :table_name_resolver @@ -54,7 +21,9 @@ module ActiveRecord::Associations::Builder # :nodoc: end def self.table_name - table_name_resolver.join_table + # Table name needs to be resolved lazily + # because RHS class might not have been loaded + @table_name ||= table_name_resolver.call end def self.compute_type(class_name) @@ -84,7 +53,7 @@ module ActiveRecord::Associations::Builder # :nodoc: } join_model.name = "HABTM_#{association_name.to_s.camelize}" - join_model.table_name_resolver = habtm + join_model.table_name_resolver = -> { table_name } join_model.left_model = lhs_model join_model.add_left_association :left_side, anonymous_class: lhs_model @@ -115,6 +84,18 @@ module ActiveRecord::Associations::Builder # :nodoc: middle_options end + def table_name + if options[:join_table] + options[:join_table].to_s + else + class_name = options.fetch(:class_name) { + association_name.to_s.camelize.singularize + } + klass = lhs_model.send(:compute_type, class_name.to_s) + [lhs_model.table_name, klass.table_name].sort.join("\0").gsub(/^(.*[._])(.+)\0\1(.+)/, '\1\2_\3').tr("\0", "_") + end + end + def belongs_to_options(options) rhs_options = {} diff --git a/activerecord/lib/active_record/associations/builder/has_many.rb b/activerecord/lib/active_record/associations/builder/has_many.rb index 7864d4c536..5b9617bc6d 100644 --- a/activerecord/lib/active_record/associations/builder/has_many.rb +++ b/activerecord/lib/active_record/associations/builder/has_many.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + module ActiveRecord::Associations::Builder # :nodoc: class HasMany < CollectionAssociation #:nodoc: def self.macro diff --git a/activerecord/lib/active_record/associations/builder/has_one.rb b/activerecord/lib/active_record/associations/builder/has_one.rb index 4de846d12b..bfb37d6eee 100644 --- a/activerecord/lib/active_record/associations/builder/has_one.rb +++ b/activerecord/lib/active_record/associations/builder/has_one.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + module ActiveRecord::Associations::Builder # :nodoc: class HasOne < SingularAssociation #:nodoc: def self.macro diff --git a/activerecord/lib/active_record/associations/builder/singular_association.rb b/activerecord/lib/active_record/associations/builder/singular_association.rb index 7732b63af6..0a02ef4cc1 100644 --- a/activerecord/lib/active_record/associations/builder/singular_association.rb +++ b/activerecord/lib/active_record/associations/builder/singular_association.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + # This class is inherited by the has_one and belongs_to association classes module ActiveRecord::Associations::Builder # :nodoc: |