module JsonError def create_errors_json(obj, opts = nil) opts ||= {} errors = create_errors_array obj errors[:error_type] = opts[:type] if opts[:type] errors[:extras] = opts[:extras] if opts[:extras] errors end private def create_errors_array(obj) # If we're passed a string, assume that is the error message return { errors: [obj] } if obj.is_a?(String) # If it's an AR exception target the record obj = obj.record if obj.is_a?(ActiveRecord::RecordInvalid) # If it looks like an activerecord object, extract its messages return { errors: obj.errors.full_messages } if obj.respond_to?(:errors) && obj.errors.present? # If we're passed an array, it's an array of error messages return { errors: obj.map(&:to_s) } if obj.is_a?(Array) && obj.present? if obj.is_a?(Exception) message = obj.cause.message.presence || obj.cause.class.name if obj.cause message = obj.message.presence || obj.class.name if message.blank? return { errors: [message] } if message.present? end # Log a warning (unless obj is nil) Rails.logger.warn("create_errors_json called with unrecognized type: #{obj.inspect}") if obj # default to a generic error JsonError.generic_error end def self.generic_error { errors: [I18n.t('js.generic_error')] } end end