openSUSE/open-build-service

module RescueHandler
  extend ActiveSupport::Concern

  included do
    rescue_from ActiveRecord::RecordInvalid do |exception|
      render_error status: 400, errorcode: 'invalid_record', message: exception.record.errors.full_messages.join('\n')
    end

    rescue_from Timeout::Error do |exception|
      render_error status: 408, errorcode: 'timeout_error', message: exception.message
    end

    rescue_from APIError do |exception|
      bt = exception.backtrace.join("\n")
      logger.debug "#{exception.class.name} #{exception.message} #{bt}"
      message = exception.message
      message = exception.default_message if message.blank? || message == exception.class.name
      render_error message: message, status: exception.status, errorcode: exception.errorcode
    end

    rescue_from Backend::Error do |exception|
      text = exception.message
      xml = Nokogiri::XML(text, &:strict).root
      http_status = xml['code'] || 500
      xml['origin'] ||= 'backend'
      render xml: xml, status: http_status
    end

    rescue_from Trigger::Errors::InvalidToken do |exception|
      render_error status: 403, errorcode: 'invalid_token', message: exception.message
    end

    rescue_from Trigger::Errors::MissingExtractor do |exception|
      render_error status: 400, errorcode: 'bad_request', message: exception.message
    end

    rescue_from Project::WritePermissionError do |exception|
      render_error status: 403, errorcode: 'modify_project_no_permission', message: exception.message
    end

    rescue_from Package::WritePermissionError do |exception|
      render_error status: 403, errorcode: 'modify_package_no_permission', message: exception.message
    end

    rescue_from ActiveRecord::RecordNotFound do |exception|
      render_error message: exception.message, status: 404
    end

    rescue_from Backend::NotFoundError do |exception|
      parsed_response = Nokogiri::XML(exception.message).xpath('//summary')

      summary = if parsed_response.present?
                  parsed_response.first.content
                else
                  exception.message
                end

      render_error message: summary, status: 404
    end
  end
end