Sha256: c1b3cd3fbf0594181b91eada527548cd68a068c2934f21636aa33cfba6fef859
Contents?: true
Size: 1012 Bytes
Versions: 39
Compression:
Stored size: 1012 Bytes
Contents
# frozen_string_literal: true
module ActiveRecord
module Associations
# = Active Record Belongs To Polymorphic Association
class BelongsToPolymorphicAssociation < BelongsToAssociation #:nodoc:
def klass
type = owner[reflection.foreign_type]
type.presence && type.constantize
end
def target_changed?
super || owner.saved_change_to_attribute?(reflection.foreign_type)
end
private
def replace_keys(record)
super
owner[reflection.foreign_type] = record ? record.class.polymorphic_name : nil
end
def inverse_reflection_for(record)
reflection.polymorphic_inverse_of(record.class)
end
def raise_on_type_mismatch!(record)
# A polymorphic association cannot have a type mismatch, by definition
end
def stale_state
foreign_key = super
foreign_key && [foreign_key.to_s, owner[reflection.foreign_type].to_s]
end
end
end
end
Version data entries
39 entries across 39 versions & 4 rubygems