From 4e66c018032c85ad426eee7d37583d7f86505c6e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michael=20He=C3=9F?= <GrimmiMeloni@users.noreply.github.com>
Date: Tue, 16 May 2023 16:36:43 +0200
Subject: [PATCH] Easee: prevent internal current updates on failed API calls
 (#7825)

* prevent internal current updates on failed API calls

* incorporate review feedback on error handling

* wip

---------

Co-authored-by: andig <cpuidle@gmx.de>
---
 charger/easee.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/charger/easee.go b/charger/easee.go
index 9413280a1..4150727e5 100644
--- a/charger/easee.go
+++ b/charger/easee.go
@@ -415,8 +415,12 @@ func (c *Easee) MaxCurrent(current int64) error {
 	uri := fmt.Sprintf("%s/chargers/%s/settings", easee.API, c.charger)
 	resp, err := c.Post(uri, request.JSONContent, request.MarshalJSON(data))
 	if err == nil {
-		c.current = cur
 		resp.Body.Close()
+		if resp.StatusCode == 202 && resp.ContentLength <= 2 {
+			// no tick id, Easee effectively ignored this update
+			return api.ErrMustRetry
+		}
+		c.current = cur
 	}
 
 	return err