Module: Trackstamps::Base

Defined in:
lib/trackstamps/base.rb

Defined Under Namespace

Classes: Current

Class Method Summary collapse

Class Method Details

.[](module_key = :default) ⇒ Object 



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# File 'lib/trackstamps/base.rb', line 13

def self.[](module_key=:default)
  @mixins.fetch_or_store(module_key.to_s) do
    construct_new_module(module_key)
  end
end

.construct_new_module(module_key) ⇒ Object 



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# File 'lib/trackstamps/base.rb', line 19

def self.construct_new_module(module_key)
  mod = Module.new
  mod.define_singleton_method(:inspect) do
    "Trackstamps::Reborn[:#{module_key}]"
  end

  mod.define_method(:trackstamps_module) do
    mod
  end

  mod.define_singleton_method(:[]) do |key|
    Trackstamps::Base[key]
  end

  mod.module_eval do
    extend Dry::Configurable
    extend ActiveSupport::Concern
    autoload :VERSION, "trackstamps/reborn/version"

    const_set(:Current, Trackstamps::Base::Current)

    setting :get_current_user, default: -> { Current.user }
    setting :user_class_name, default: "User".freeze
    setting :updater_foreign_key, default: "updated_by_id".freeze
    setting :creator_foreign_key, default: "created_by_id".freeze

    included do
      def trackstamps_current_user
        trackstamps_module.config.get_current_user.call
      end

      private :trackstamps_module
      private :trackstamps_current_user

      before_save :trackstamps_set_updater
      before_create :trackstamps_set_creator

      const_set(
        :UPDATER_FOREIGN_KEY,
        mod.config.updater_foreign_key.dup.freeze
      )
      const_set(
        :CREATOR_FOREIGN_KEY,
        mod.config.creator_foreign_key.dup.freeze
      )

      private_constant :UPDATER_FOREIGN_KEY
      private_constant :CREATOR_FOREIGN_KEY

      belongs_to :updater,
                 class_name: mod.config.user_class_name,
                 foreign_key: const_get(:UPDATER_FOREIGN_KEY),
                 optional: true

      belongs_to :creator,
                 class_name: mod.config.user_class_name,
                 foreign_key: const_get(:CREATOR_FOREIGN_KEY),
                 optional: true

      def trackstamps_set_updater
        return unless trackstamps_current_user

        send(:"#{self.class.const_get(:UPDATER_FOREIGN_KEY)}=", trackstamps_current_user.id)
      end

      def trackstamps_set_creator
        return unless trackstamps_current_user

        send(:"#{self.class.const_get(:CREATOR_FOREIGN_KEY)}=", trackstamps_current_user.id)
      end
    end

    class_methods do
      def with_trackstamps
        includes(:creator, :updater)
      end
    end
  end

  mod
end