Contents

# frozen_string_literal: true

require "dry/core/class_attributes"
require "rom/command"

module ROM
  class Command
    extend Dry::Core::ClassAttributes

    module Restrictable
      extend ROM::Notifications::Listener

      subscribe("configuration.commands.class.before_build") do |event|
        command = event[:command]
        relation = event[:relation]
        command.extend_for_relation(relation) if command.restrictable
      end

      # @api private
      def create_class(relation: nil, **, &block)
        klass = super
        klass.extend_for_relation(relation) if relation && klass.restrictable
        klass
      end
    end

    class << self
      prepend Restrictable
      prepend SettingProxy

      def setting_mapping
        @setting_mapper ||= {
          adapter: [:component, :adapter],
          relation: [:component, %i[relation namespace]],
          register_as: [:component, :id],
          restrictable: [],
          result: [],
          input: []
        }.freeze
      end
    end

    # Extend a command class with relation view methods
    #
    # @param [Relation] relation
    #
    # @return [Class]
    #
    # @api public
    # @deprecated
    def self.extend_for_relation(relation)
      include(relation_methods_mod(relation.class))
    end

    # @api private
    def self.relation_methods_mod(relation_class)
      Module.new do
        relation_class.view_methods.each do |meth|
          module_eval <<-RUBY, __FILE__, __LINE__ + 1
            def #{meth}(*args)
              response = relation.public_send(:#{meth}, *args)

              if response.is_a?(relation.class)
                new(response)
              else
                response
              end
            end
          RUBY
        end
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
rom-6.0.0.alpha1	lib/rom/compat/command.rb