From fa527dff6f339598bf8c622b25604a9e225f78a8 Mon Sep 17 00:00:00 2001
From: andig <cpuidle@gmx.de>
Date: Sun, 9 May 2021 10:55:42 +0200
Subject: [PATCH] Allow charger to access loadpoint by implementing
 core.LoadpointController (#922)

---
 core/loadpoint.go         | 5 +++++
 core/loadpoint_api.go     | 5 +++++
 internal/charger/easee.go | 8 ++++++++
 3 files changed, 18 insertions(+)

diff --git a/core/loadpoint.go b/core/loadpoint.go
index 5ad6cc2b6f..a47c62c84a 100644
--- a/core/loadpoint.go
+++ b/core/loadpoint.go
@@ -426,6 +426,11 @@ func (lp *LoadPoint) Prepare(uiChan chan<- util.Param, pushChan chan<- push.Even
 	} else {
 		lp.log.ERROR.Printf("charger error: %v", err)
 	}
+
+	// allow charger to  access loadpoint
+	if ctrl, ok := lp.charger.(LoadpointController); ok {
+		ctrl.LoadpointControl(lp)
+	}
 }
 
 func (lp *LoadPoint) syncCharger() {
diff --git a/core/loadpoint_api.go b/core/loadpoint_api.go
index 2cfa07cf75..d7e81909c6 100644
--- a/core/loadpoint_api.go
+++ b/core/loadpoint_api.go
@@ -7,6 +7,11 @@ import (
 	"github.com/andig/evcc/core/wrapper"
 )
 
+// LoadpointController gives access to loadpoint
+type LoadpointController interface {
+	LoadpointControl(LoadPointAPI)
+}
+
 // LoadPointAPI is the external loadpoint API
 type LoadPointAPI interface {
 	Name() string
diff --git a/internal/charger/easee.go b/internal/charger/easee.go
index dc4d1eebcf..91f7df7871 100644
--- a/internal/charger/easee.go
+++ b/internal/charger/easee.go
@@ -22,6 +22,7 @@ type Easee struct {
 	status        easee.ChargerStatus
 	updated       time.Time
 	cache         time.Duration
+	lp            core.LoadPointAPI
 }
 
 func init() {
@@ -257,3 +258,10 @@ func (c *Easee) Currents() (float64, float64, float64, error) {
 		res.CircuitTotalPhaseConductorCurrentL3,
 		err
 }
+
+var _ core.LoadpointController = (*Easee)(nil)
+
+// LoadpointControl implements core.LoadpointController
+func (c *Easee) LoadpointControl(lp core.LoadPointAPI) {
+	c.lp = lp
+}