v08_serializer.rb

# frozen_string_literal: true

# source: https://github.com/rails-api/active_model_serializers/blob/v0.10.6/docs/howto/upgrade_from_0_8_to_0_10.md#2-add-activemodelv08serializer

module ActiveModel::V08
  class Serializer < ActiveModel::Serializer
    include Rails.application.routes.url_helpers

    # AMS 0.8 would delegate method calls from within the serializer to the
    # object.
    def method_missing(*args)
      method = args.first
      read_attribute_for_serialization(method)
    end

    alias_method :options, :instance_options

    # Since attributes could be read from the `object` via `method_missing`,
    # the `try` method did not behave as before. This patches `try` with the
    # original implementation plus the addition of
    # ` || object.respond_to?(a.first, true)` to check if the object responded to
    # the given method.
    def try(*a, &b)
      if a.empty? || respond_to?(a.first, true) || object.respond_to?(a.first, true)
        try!(*a, &b)
      end
    end

    # AMS 0.8 would return nil if the serializer was initialized with a nil
    # resource.
    def serializable_hash(adapter_options = nil,
                          options = {},
                          adapter_instance =
                            self.class.serialization_adapter_instance)
      object.nil? ? nil : super
    end
  end
end