refactor(github): extract doRequestCore, address review feedback

- MAJOR: Extract doRequestCore to eliminate doRequest/doRequestWithBody
  duplication. Both now delegate to a shared implementation with the
  retry/backoff logic in a single place.

- MINOR: Replace custom containsStr/containsSubstring helpers with
  strings.Contains in review_test.go.

- MINOR: Use http.Method* constants (MethodPost, MethodDelete, MethodPut)
  in review.go for consistency with doGet.

- MINOR: Remove redundant APPROVED/DISMISSED cases from
  translateGitHubReviewState that were identical to the default passthrough.

- NIT: Clarify DeleteReview comment about COMMENTED being a GitHub API
  state name.

- DismissReview Event field verified as required by GitHub API docs;
  kept as-is.
This commit is contained in:
claw
2026-05-13 00:35:59 -07:00
committed by Aaron Weiker
parent be3f696a70
commit eba97321ad
3 changed files with 54 additions and 135 deletions
+44 -114
View File
@@ -193,10 +193,24 @@ func (c *Client) SetRetryBackoff(d []time.Duration) error {
return nil
}
// doRequest performs an HTTP request with retry on 429 rate limit responses.
// It respects the Retry-After header when present (capped at maxRetryAfter).
// Transport errors (network failures, context cancellation) are not retried.
func (c *Client) doRequest(ctx context.Context, method, reqURL string, accept string) ([]byte, error) {
// requestOptions holds per-request configuration for doRequestCore.
type requestOptions struct {
// bodyFn returns a fresh io.Reader for the request body on each attempt.
// Must be non-nil for requests that carry a body (POST, PUT, PATCH).
// Returning a fresh reader on each call allows retries to re-send the body.
bodyFn func() io.Reader
// accept overrides the default Accept header. Empty means "application/vnd.github+json".
accept string
// extraHeaders are additional headers to set on each request attempt.
extraHeaders map[string]string
}
// doRequestCore is the shared implementation for all HTTP requests with retry
// on 429 rate limit responses. It respects the Retry-After header when present
// (capped at maxRetryAfter). Transport errors are not retried.
func (c *Client) doRequestCore(ctx context.Context, method, reqURL string, opts requestOptions) ([]byte, error) {
const maxRetryAfter = 120 * time.Second
// backoff holds per-attempt delays: backoff[i] is the delay before attempt i+1.
@@ -247,7 +261,11 @@ func (c *Client) doRequest(ctx context.Context, method, reqURL string, accept st
}
}
req, err := http.NewRequestWithContext(ctx, method, reqURL, nil)
var body io.Reader
if opts.bodyFn != nil {
body = opts.bodyFn()
}
req, err := http.NewRequestWithContext(ctx, method, reqURL, body)
if err != nil {
return nil, fmt.Errorf("create request: %w", err)
}
@@ -258,11 +276,14 @@ func (c *Client) doRequest(ctx context.Context, method, reqURL string, accept st
req.Header.Set("Authorization", "Bearer "+c.token)
}
req.Header.Set("User-Agent", userAgent)
if accept != "" {
req.Header.Set("Accept", accept)
if opts.accept != "" {
req.Header.Set("Accept", opts.accept)
} else {
req.Header.Set("Accept", "application/vnd.github+json")
}
for k, v := range opts.extraHeaders {
req.Header.Set(k, v)
}
resp, err := c.httpClient.Do(req)
if err != nil {
@@ -273,11 +294,11 @@ func (c *Client) doRequest(ctx context.Context, method, reqURL string, accept st
respStatus := resp.StatusCode
retryAfterHeader := resp.Header.Get("Retry-After")
body, done, err := c.handleResponse(resp, maxResponseBytes, maxErrorBodyBytes)
respBody, done, handleErr := c.handleResponse(resp, maxResponseBytes, maxErrorBodyBytes)
if done {
return body, err
return respBody, handleErr
}
lastErr = err
lastErr = handleErr
// Retry on 429 rate limit
if respStatus == http.StatusTooManyRequests && attempt < maxRetryAttempts-1 {
@@ -315,6 +336,13 @@ func (c *Client) doRequest(ctx context.Context, method, reqURL string, accept st
return nil, lastErr
}
// doRequest performs an HTTP request with retry on 429 rate limit responses.
// It respects the Retry-After header when present (capped at maxRetryAfter).
// Transport errors (network failures, context cancellation) are not retried.
func (c *Client) doRequest(ctx context.Context, method, reqURL string, accept string) ([]byte, error) {
return c.doRequestCore(ctx, method, reqURL, requestOptions{accept: accept})
}
// handleResponse reads and closes the response body, returning the result.
// It uses defer to ensure the body is always closed regardless of code path.
// Returns (body, done, err) where done=true means the caller should return immediately.
@@ -347,109 +375,11 @@ func (c *Client) doGet(ctx context.Context, reqURL string) ([]byte, error) {
// doRequestWithBody is like doRequest but sends a request body.
// It accepts the raw body bytes and sets Content-Type to application/json.
// Retry semantics match doRequest (retries on 429 with Retry-After support).
func (c *Client) doRequestWithBody(ctx context.Context, method, reqURL string, body []byte) ([]byte, error) {
const maxRetryAfter = 120 * time.Second
defaultBackoff := []time.Duration{1 * time.Second, 2 * time.Second}
var backoff []time.Duration
if c.retryBackoff != nil && len(c.retryBackoff) == maxRetryAttempts-1 {
backoff = make([]time.Duration, len(c.retryBackoff))
copy(backoff, c.retryBackoff)
} else {
backoff = make([]time.Duration, len(defaultBackoff))
copy(backoff, defaultBackoff)
func (c *Client) doRequestWithBody(ctx context.Context, method, reqURL string, reqBody []byte) ([]byte, error) {
var opts requestOptions
if reqBody != nil {
opts.bodyFn = func() io.Reader { return bytes.NewReader(reqBody) }
opts.extraHeaders = map[string]string{"Content-Type": "application/json"}
}
const maxErrorBodyBytes = 4 * 1024
if c.token != "" && !c.allowInsecureHTTP {
parsed, err := url.Parse(reqURL)
if err != nil {
return nil, fmt.Errorf("parse request URL: %w", err)
}
if !strings.EqualFold(parsed.Scheme, "https") {
return nil, fmt.Errorf("refusing to send credentials over non-HTTPS URL %q (use AllowInsecureHTTP option for trusted networks)", reqURL)
}
}
var lastErr error
for attempt := 0; attempt < maxRetryAttempts; attempt++ {
if attempt > 0 {
var delay time.Duration
if attempt-1 < len(backoff) {
delay = backoff[attempt-1]
}
if delay > 0 {
timer := time.NewTimer(delay)
select {
case <-timer.C:
timer.Stop()
case <-ctx.Done():
timer.Stop()
return nil, ctx.Err()
}
}
}
var bodyReader io.Reader
if body != nil {
bodyReader = bytes.NewReader(body)
}
req, err := http.NewRequestWithContext(ctx, method, reqURL, bodyReader)
if err != nil {
return nil, fmt.Errorf("create request: %w", err)
}
if c.token != "" {
req.Header.Set("Authorization", "Bearer "+c.token)
}
req.Header.Set("User-Agent", userAgent)
req.Header.Set("Accept", "application/vnd.github+json")
if body != nil {
req.Header.Set("Content-Type", "application/json")
}
resp, err := c.httpClient.Do(req)
if err != nil {
return nil, fmt.Errorf("do request: %w", err)
}
respStatus := resp.StatusCode
retryAfterHeader := resp.Header.Get("Retry-After")
respBody, done, handleErr := c.handleResponse(resp, maxResponseBytes, maxErrorBodyBytes)
if done {
return respBody, handleErr
}
lastErr = handleErr
if respStatus == http.StatusTooManyRequests && attempt < maxRetryAttempts-1 {
if ra := retryAfterHeader; ra != "" {
if seconds, err := strconv.Atoi(ra); err == nil && seconds > 0 {
delay := time.Duration(seconds) * time.Second
if delay > maxRetryAfter {
delay = maxRetryAfter
}
if attempt < len(backoff) {
backoff[attempt] = delay
}
} else if retryAt, err := http.ParseTime(ra); err == nil {
delay := time.Until(retryAt)
if delay < 0 {
delay = 0
}
if delay > maxRetryAfter {
delay = maxRetryAfter
}
if attempt < len(backoff) {
backoff[attempt] = delay
}
}
}
continue
}
return nil, lastErr
}
return nil, lastErr
return c.doRequestCore(ctx, method, reqURL, opts)
}