smugglys/translatomatic

module Translatomatic
  module Model
    # Locale database record.
    # Used to store translations in the database.
    class Locale < ActiveRecord::Base
      has_many :texts, class_name: 'Translatomatic::Model::Text'
      validates_presence_of :language
      validates_uniqueness_of :language, scope: %i[script region]

      # Create a locale record from an I18n::Locale::Tag object or string
      # @return [Translatomatic::Model::Locale] Locale record
      def self.from_tag(tag)
        tag = Translatomatic::Locale.parse(tag)
        find_or_create_by!(
          language: tag.language, script: tag.script, region: tag.region
        )
      end

      # @return [String] Locale as string
      def to_s
        [language, script, region].compact.join('-')
      end
    end
  end
end