# frozen_string_literal: true

require 'delegate'

module FacultyRBAC
  # Simply delegates to a dataset, but provides some "obvious" helpers for magic columns
  class DatasetDelegator < SimpleDelegator
    # Returns a proc that maps a dataset to a delegator wrapping it on the specified field
    def self.mapping(map_field)
      proc { |*args| new(map_field, *args) }
    end

    def initialize(map_field, *args)
      @map_field = map_field
      super(*args)
    end

    def to_a
      map @map_field
    end
  end
end