From bb79e072c1fc96a4bab35a4a4f9277ce06b18312 Mon Sep 17 00:00:00 2001
From: Ilya Glotov <contact@ilyaglotov.com>
Date: Thu, 27 Dec 2018 00:28:24 +0300
Subject: [PATCH] Reduce checkResponse code complexity

---
 cortex.go | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/cortex.go b/cortex.go
index 89d6851..a8a5ba0 100644
--- a/cortex.go
+++ b/cortex.go
@@ -260,15 +260,14 @@ func (c *Client) Do(ctx context.Context, req *http.Request, v interface{}) (*htt
 // checkResponse checks http response status code and returns an error if
 // needed.
 func checkResponse(r *http.Response) error {
-	switch r.StatusCode {
-	case http.StatusOK:
+	if r.StatusCode == http.StatusOK {
 		return nil
-	default:
-		var em errorMessage
-		err := json.NewDecoder(r.Body).Decode(&em)
-		if err != nil {
-			return fmt.Errorf(errUnknownFmt, r.Status)
-		}
-		return fmt.Errorf(errMessageFmt, r.Status, em.Type, em.Message)
 	}
+
+	var em errorMessage
+	err := json.NewDecoder(r.Body).Decode(&em)
+	if err != nil {
+		return fmt.Errorf(errUnknownFmt, r.Status)
+	}
+	return fmt.Errorf(errMessageFmt, r.Status, em.Type, em.Message)
 }