require "i18n/i18n_interpolation_keys_finder" class TranslationOverride < ActiveRecord::Base # Whitelist i18n interpolation keys that can be included when customizing translations CUSTOM_INTERPOLATION_KEYS_WHITELIST = { "user_notifications.user_" => %w{ topic_title_url_encoded site_title_url_encoded context } } validates_uniqueness_of :translation_key, scope: :locale validates_presence_of :locale, :translation_key, :value validate :check_interpolation_keys def self.upsert!(locale, key, value) params = { locale: locale, translation_key: key } data = { value: value } if key.end_with?('_MF') _, filename = JsLocaleHelper.find_message_format_locale([locale], fallback_to_english: false) data[:compiled_js] = JsLocaleHelper.compile_message_format(filename, locale, value) end translation_override = find_or_initialize_by(params) params.merge!(data) if translation_override.new_record? i18n_changed([key]) if translation_override.update(data) translation_override end def self.revert!(locale, *keys) TranslationOverride.where(locale: locale, translation_key: keys).delete_all i18n_changed(keys) end def self.i18n_changed(keys) I18n.reload! MessageBus.publish('/i18n-flush', refresh: true) keys.flatten.each do |key| return if expire_cache(key) end end def self.expire_cache(key) if key.starts_with?('post_action_types.') ApplicationSerializer.expire_cache_fragment!("post_action_types_#{I18n.locale}") elsif key.starts_with?('topic_flag_types.') ApplicationSerializer.expire_cache_fragment!("post_action_flag_types_#{I18n.locale}") else return false end Site.clear_anon_cache! true end private_class_method :i18n_changed private_class_method :expire_cache private def check_interpolation_keys original_text = I18n.overrides_disabled do I18n.backend.send(:lookup, self.locale, self.translation_key) end if original_text original_interpolation_keys = I18nInterpolationKeysFinder.find(original_text) new_interpolation_keys = I18nInterpolationKeysFinder.find(value) custom_interpolation_keys = [] CUSTOM_INTERPOLATION_KEYS_WHITELIST.select do |key, value| if self.translation_key.start_with?(key) custom_interpolation_keys = value end end invalid_keys = (original_interpolation_keys | new_interpolation_keys) - original_interpolation_keys - custom_interpolation_keys if invalid_keys.present? self.errors.add(:base, I18n.t( 'activerecord.errors.models.translation_overrides.attributes.value.invalid_interpolation_keys', keys: invalid_keys.join(', ') )) return false end end end end # == Schema Information # # Table name: translation_overrides # # id :integer not null, primary key # locale :string not null # translation_key :string not null # value :string not null # created_at :datetime not null # updated_at :datetime not null # compiled_js :text # # Indexes # # index_translation_overrides_on_locale_and_translation_key (locale,translation_key) UNIQUE #