Loadpoint: add solar share setting (experimental)

server/http_site_handler.go

@@ -150,6 +150,15 @@ func intHandler(set func(int) error, get func() int) http.HandlerFunc {
 	return handler(strconv.Atoi, set, get)
 }
 
+// scaledIntHandler updates int-param api
+func scaledIntHandler(set func(float64) error, get func() float64, scale float64) http.HandlerFunc {
+	return intHandler(func(v int) error {
+		return set(float64(v) / scale)
+	}, func() int {
+		return int(get() * scale)
+	})
+}
+
 // boolHandler updates bool-param api
 func boolHandler(set func(bool) error, get func() bool) http.HandlerFunc {
 	return handler(strconv.ParseBool, set, get)
@@ -191,6 +200,25 @@ func updateSmartCostLimit(site site.API) http.HandlerFunc {
 	}
 }
 
+// updateSolarShare sets the solar share limit globally
+func updateSolarShare(site site.API) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		vars := mux.Vars(r)
+
+		val, err := strconv.Atoi(vars["value"])
+		if err != nil {
+			jsonError(w, http.StatusBadRequest, err)
+			return
+		}
+
+		for _, lp := range site.Loadpoints() {
+			lp.SetSolarShare(float64(val) / 100)
+		}
+
+		jsonResult(w, val)
+	}
+}
+
 // stateHandler returns the combined state
 func stateHandler(cache *util.Cache) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {