v0.3.8

internal/backend/agent/model/http_error.go

@@ -0,0 +1,41 @@
+// http_error.go 负责把非 2xx HTTP 响应整理成带响应体摘要的错误。
+package modeladapter
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+	"strings"
+)
+
+const (
+	// maxErrorBodyBytes 表示错误响应体最多读取的字节数。
+	maxErrorBodyBytes = 8192
+)
+
+// buildHTTPStatusError 读取响应体摘要并生成带状态码的错误。
+func buildHTTPStatusError(prefix string, resp *http.Response) error {
+	if resp == nil {
+		return fmt.Errorf("%s response is nil", strings.TrimSpace(prefix))
+	}
+
+	limitedBody, err := io.ReadAll(io.LimitReader(resp.Body, maxErrorBodyBytes))
+	if err != nil {
+		if retrySummary := ProviderRetryAttemptSummary(resp); retrySummary != "" {
+			return fmt.Errorf("%s status=%d %s body_read_error=%v", strings.TrimSpace(prefix), resp.StatusCode, retrySummary, err)
+		}
+		return fmt.Errorf("%s status=%d body_read_error=%v", strings.TrimSpace(prefix), resp.StatusCode, err)
+	}
+	retrySummary := ProviderRetryAttemptSummary(resp)
+	bodyText := strings.TrimSpace(string(limitedBody))
+	if bodyText == "" {
+		if retrySummary != "" {
+			return fmt.Errorf("%s status=%d %s", strings.TrimSpace(prefix), resp.StatusCode, retrySummary)
+		}
+		return fmt.Errorf("%s status=%d", strings.TrimSpace(prefix), resp.StatusCode)
+	}
+	if retrySummary != "" {
+		return fmt.Errorf("%s status=%d %s body=%s", strings.TrimSpace(prefix), resp.StatusCode, retrySummary, bodyText)
+	}
+	return fmt.Errorf("%s status=%d body=%s", strings.TrimSpace(prefix), resp.StatusCode, bodyText)
+}