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feat(github): implement PRReader + FileReader client (#80) #93

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rodin wants to merge 16 commits from review-bot-issue-80 into feature/github-support
pull from: review-bot-issue-80
merge into: rodin:feature/github-support
Conversation 78 Commits 16 Files Changed 8
+28 -18
1 changed files with 28 additions and 18 deletions
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github/client.go
+28 -18
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95
 @@ -255,25 +255,11 @@ func (c *Client) doRequest(ctx context.Context, method, reqURL string, accept st
return nil, fmt.Errorf("do request: %w", err)
}
if resp.StatusCode >= 200 && resp.StatusCode < 300 {
body, err := io.ReadAll(io.LimitReader(resp.Body, maxResponseBytes+1))
resp.Body.Close()
if err != nil {
return nil, fmt.Errorf("read response body: %w", err)
}
if len(body) > maxResponseBytes {
return nil, fmt.Errorf("response body exceeded %d bytes (truncated)", maxResponseBytes)
}
return body, nil
body, done, err := c.handleResponse(resp, maxResponseBytes, maxErrorBodyBytes)
if done {
sonnet-review-bot commented 2026-05-13 00:14:07 +00:00
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[MINOR] The int64 cast in if int64(len(body)) >= maxResponseBytes is unnecessary since maxResponseBytes is an untyped constant and len() returns int. Both sides of the comparison are int-typed. The cast is harmless but adds noise.

**[MINOR]** The `int64` cast in `if int64(len(body)) >= maxResponseBytes` is unnecessary since `maxResponseBytes` is an untyped constant and `len()` returns `int`. Both sides of the comparison are `int`-typed. The cast is harmless but adds noise.
return body, err
}
errBody, readErr := io.ReadAll(io.LimitReader(resp.Body, maxErrorBodyBytes))
if readErr != nil && len(errBody) == 0 {
errBody = []byte(fmt.Sprintf("[error reading response body: %v]", readErr))
}
resp.Body.Close()
lastErr = &APIError{StatusCode: resp.StatusCode, Body: string(errBody)}
lastErr = err
sonnet-review-bot commented 2026-05-13 03:48:59 +00:00
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[NIT] In doRequest, after the handleResponse call, there's a check if resp.StatusCode == http.StatusTooManyRequests but resp could theoretically have been closed by handleResponse. The body is closed, but the resp.StatusCode field is still accessible on the struct. This is correct and safe in Go's net/http — just worth being aware of.

**[NIT]** In `doRequest`, after the `handleResponse` call, there's a check `if resp.StatusCode == http.StatusTooManyRequests` but `resp` could theoretically have been closed by `handleResponse`. The body is closed, but the `resp.StatusCode` field is still accessible on the struct. This is correct and safe in Go's net/http — just worth being aware of.
// Retry on 429 rate limit
if resp.StatusCode == http.StatusTooManyRequests && attempt < maxAttempts-1 {
@@ -311,6 +297,30 @@ func (c *Client) doRequest(ctx context.Context, method, reqURL string, accept st
return nil, lastErr
}
// 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.
func (c *Client) handleResponse(resp *http.Response, maxRespBytes int, maxErrBytes int) ([]byte, bool, error) {
defer resp.Body.Close()
if resp.StatusCode >= 200 && resp.StatusCode < 300 {
body, err := io.ReadAll(io.LimitReader(resp.Body, int64(maxRespBytes)+1))
if err != nil {
return nil, true, fmt.Errorf("read response body: %w", err)
}
if len(body) > maxRespBytes {
return nil, true, fmt.Errorf("response body exceeded %d bytes (truncated)", maxRespBytes)
}
return body, true, nil
}
errBody, readErr := io.ReadAll(io.LimitReader(resp.Body, int64(maxErrBytes)))
if readErr != nil && len(errBody) == 0 {
errBody = []byte(fmt.Sprintf("[error reading response body: %v]", readErr))
}
return nil, false, &APIError{StatusCode: resp.StatusCode, Body: string(errBody)}
}
// doGet is a convenience wrapper for GET requests with the default Accept header.
func (c *Client) doGet(ctx context.Context, reqURL string) ([]byte, error) {
return c.doRequest(ctx, http.MethodGet, reqURL, "")