Contents

require "deprecated_columns/version"
require "deprecated_columns/warn_on_column_removal"

module DeprecatedColumns
  def self.included(base)
    base.extend ClassMethods
  end

  module ClassMethods
    def deprecated_columns(*names)
      unless self.respond_to?(:deprecated_column_list)
        class_attribute :deprecated_column_list
        self.deprecated_column_list = []
      end

      self.deprecated_column_list += names.map(&:to_s)

      class_eval do
        def attribute_names
          super.reject { |name| deprecated_column_list.include?(name) }
        end

        def columns
          super.reject { |column| deprecated_column_list.include?(column.name) }
        end
      end
    end
  end
end

ActiveRecord::Base.send :include, DeprecatedColumns
ActiveRecord::Migration.send :prepend, WarnOnColumnRemoval

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
deprecated_columns-0.1.1	lib/deprecated_columns.rb
deprecated_columns-0.1.0	lib/deprecated_columns.rb