instance method `subclass_from_attributes`

Ruby on Rails 8.1.2

Since v4.0.13 Private

Available in: v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

subclass_from_attributes(attrs)

Detect the subclass from the inheritance column of attrs. If the inheritance column value is not self or a valid subclass, raises ActiveRecord::SubclassNotFound

Parameters

attrs req

Source

# File activerecord/lib/active_record/inheritance.rb, line 331
        def subclass_from_attributes(attrs)
          attrs = attrs.to_h if attrs.respond_to?(:permitted?)
          if attrs.is_a?(Hash)
            subclass_name = attrs[inheritance_column] || attrs[inheritance_column.to_sym]

            if subclass_name.present?
              find_sti_class(subclass_name)
            end
          end
        end

Defined in activerecord/lib/active_record/inheritance.rb line 331 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::Inheritance::ClassMethods

Signature

Parameters