module JSONTranslate::Translates

Constants

MYSQL_ADAPTERS
SUFFIX

Public Instance Methods

translates(*attrs, allow_blank: false) click to toggle source
# File lib/json_translate/translates.rb, line 6
def translates(*attrs, allow_blank: false)
  include InstanceMethods

  class_attribute :translated_attribute_names, :permitted_translated_attributes

  self.translated_attribute_names = attrs
  self.permitted_translated_attributes = [
    *self.ancestors
      .select {|klass| klass.respond_to?(:permitted_translated_attributes) }
      .map(&:permitted_translated_attributes),
    *attrs.product(I18n.available_locales)
      .map { |attribute, locale| :"#{attribute}_#{locale}" }
  ].flatten.compact

  attrs.each do |attr_name|
    define_method attr_name do |**params|
      read_json_translation(attr_name, **params)
    end

    define_method "#{attr_name}=" do |value|
      write_json_translation(attr_name, value, allow_blank: allow_blank)
    end

    I18n.available_locales.each do |locale|
      normalized_locale = locale.to_s.downcase.gsub(/[^a-z]/, '')

      define_method :"#{attr_name}_#{normalized_locale}" do |**params|
        read_json_translation(attr_name, locale: locale, fallback: false, **params)
      end

      define_method "#{attr_name}_#{normalized_locale}=" do |value|
        write_json_translation(attr_name, value, locale: locale, allow_blank: allow_blank)
      end
    end

    define_singleton_method "with_#{attr_name}_translation" do |value, locale = I18n.locale|
      quoted_translation_store = connection.quote_column_name("#{attr_name}#{SUFFIX}")
      translation_hash = { "#{locale}" => value }

      if MYSQL_ADAPTERS.include?(connection.adapter_name)
        where("JSON_CONTAINS(#{quoted_translation_store}, :translation, '$')", translation: translation_hash.to_json)
      else
        where("#{quoted_translation_store} @> :translation::jsonb", translation: translation_hash.to_json)
      end
    end
  end
end
translates?() click to toggle source
# File lib/json_translate/translates.rb, line 54
def translates?
  included_modules.include?(InstanceMethods)
end