Rails: How to use i18n with Rails 4 enums

Question

Rails 4 Active Record Enums are great, but what is the right pattern for translating with i18n?

Answer 1

class ApplicationRecord < ActiveRecord::Base
  self.abstract_class = true

  def self.enum(definitions)
    defind_i18n_text(definitions) if definitions.delete(:_human)
    super(definitions)
  end

  def self.defind_i18n_text(definitions)
    scope = i18n_scope
    definitions.each do |name, values|
      next if name.to_s.start_with?('_')
      define_singleton_method("human_#{name.to_s.tableize}") do
        p values
        values.map { |key, _value| [key, I18n.t("#{scope}.enums.#{model_name.i18n_key}.#{name}.#{key}")] }.to_h
      end

      define_method("human_#{name}") do
        I18n.t("#{scope}.enums.#{model_name.i18n_key}.#{name}.#{send(name)}")
      end
    end
  end
end


en:
  activerecord:
    enums:
      mymodel:
        my_somethings:
           my_enum_value: "My enum Value!"

enum status: [:unread, :down], _human: true