Function parseSecondaryRate

github/github.go:1092–1112

parseSecondaryRate parses the secondary rate related headers, and returns the time to retry after.

(r *http.Response)

// parseSecondaryRate parses the secondary rate related headers,
// and returns the time to retry after.
func parseSecondaryRate(r *http.Response) *time.Duration {
	// According to GitHub support, the "Retry-After" header value will be
	// an integer which represents the number of seconds that one should
	// wait before resuming making requests.
	if v := r.Header.Get(headerRetryAfter); v != "" {
		retryAfterSeconds, _ := strconv.ParseInt(v, 10, 64) // Error handling is noop.
		retryAfter := time.Duration(retryAfterSeconds) * time.Second
		return &retryAfter
	}

	// According to GitHub support, endpoints might return x-ratelimit-reset instead,
	// as an integer which represents the number of seconds since epoch UTC,
	// representing the time to resume making requests.
	if v := r.Header.Get(HeaderRateReset); v != "" {
		secondsSinceEpoch, _ := strconv.ParseInt(v, 10, 64) // Error handling is noop.
		retryAfter := time.Until(time.Unix(secondsSinceEpoch, 0))
		return &retryAfter
	}

	return nil
}

// parseTokenExpiration parses the TokenExpiration related headers.
// Returns 0001-01-01 if the header is not defined or could not be parsed.