class ThemeTranslationParser INTERNAL_KEYS = [:theme_metadata] class InvalidYaml < StandardError; end def initialize(setting_field, internal: false) @setting_field = setting_field @internal = internal end def self.check_contains_hashes(hash) hash.all? { |key, value| value.is_a?(String) || (value.is_a?(Hash) && self.check_contains_hashes(value)) } end def load return {} if @setting_field.value.blank? begin parsed = YAML.safe_load(@setting_field.value) rescue Psych::SyntaxError, Psych::DisallowedClass => e raise InvalidYaml.new(e.message) end raise InvalidYaml.new(I18n.t("themes.locale_errors.invalid_yaml")) unless parsed.is_a?(Hash) && ThemeTranslationParser.check_contains_hashes(parsed) raise InvalidYaml.new(I18n.t("themes.locale_errors.top_level_locale")) unless parsed.keys.length == 1 && parsed.keys[0] == @setting_field.name parsed.deep_symbolize_keys! parsed[@setting_field.name.to_sym].slice!(*INTERNAL_KEYS) if @internal parsed[@setting_field.name.to_sym].except!(*INTERNAL_KEYS) if !@internal parsed end end