diff options
Diffstat (limited to 'activerecord/lib/active_record/nested_attributes.rb')
-rw-r--r-- | activerecord/lib/active_record/nested_attributes.rb | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/activerecord/lib/active_record/nested_attributes.rb b/activerecord/lib/active_record/nested_attributes.rb index 01ecd79b8f..fa20bce3a9 100644 --- a/activerecord/lib/active_record/nested_attributes.rb +++ b/activerecord/lib/active_record/nested_attributes.rb @@ -1,4 +1,7 @@ +# frozen_string_literal: true + require "active_support/core_ext/hash/except" +require "active_support/core_ext/module/redefine_method" require "active_support/core_ext/object/try" require "active_support/core_ext/hash/indifferent_access" @@ -10,8 +13,7 @@ module ActiveRecord extend ActiveSupport::Concern included do - class_attribute :nested_attributes_options, instance_writer: false - self.nested_attributes_options = {} + class_attribute :nested_attributes_options, instance_writer: false, default: {} end # = Active Record Nested Attributes @@ -61,6 +63,18 @@ module ActiveRecord # member.update params[:member] # member.avatar.icon # => 'sad' # + # If you want to update the current avatar without providing the id, you must add <tt>:update_only</tt> option. + # + # class Member < ActiveRecord::Base + # has_one :avatar + # accepts_nested_attributes_for :avatar, update_only: true + # end + # + # params = { member: { avatar_attributes: { icon: 'sad' } } } + # member.update params[:member] + # member.avatar.id # => 2 + # member.avatar.icon # => 'sad' + # # By default you will only be able to set and update attributes on the # associated model. If you want to destroy the associated model through the # attributes hash, you have to enable it first using the @@ -354,9 +368,7 @@ module ActiveRecord # associations are just regular associations. def generate_association_writer(association_name, type) generated_association_methods.module_eval <<-eoruby, __FILE__, __LINE__ + 1 - if method_defined?(:#{association_name}_attributes=) - remove_method(:#{association_name}_attributes=) - end + silence_redefinition_of_method :#{association_name}_attributes= def #{association_name}_attributes=(attributes) assign_nested_attributes_for_#{type}_association(:#{association_name}, attributes) end @@ -458,7 +470,7 @@ module ActiveRecord end unless attributes_collection.is_a?(Hash) || attributes_collection.is_a?(Array) - raise ArgumentError, "Hash or Array expected, got #{attributes_collection.class.name} (#{attributes_collection.inspect})" + raise ArgumentError, "Hash or Array expected for attribute `#{association_name}`, got #{attributes_collection.class.name} (#{attributes_collection.inspect})" end check_record_limit!(options[:limit], attributes_collection) |