Smart-hello: add SocLimiter support (#31080)

vehicle/smart/hello/api.go

@@ -199,3 +199,33 @@ func (v *API) Status(vin string) (VehicleStatus, error) {
 
 	return res.Data.VehicleStatus, err
 }
+
+func (v *API) SocStatus(vin string) (VehicleSocStatus, error) {
+	if err := v.UpdateSession(vin); err != nil {
+		return VehicleSocStatus{}, fmt.Errorf("update session failed: %w", err)
+	}
+
+	var res struct {
+		Code    Int
+		Message string
+		Error   Error
+		Data    VehicleSocStatus
+	}
+
+	params := url.Values{
+		"setting": {"charging"},
+	}
+
+	path := "/remote-control/vehicle/status/soc/" + vin
+	req, err := v.request(http.MethodGet, path, params, nil)
+	if err != nil {
+		return VehicleSocStatus{}, err
+	}
+
+	err = v.DoJSON(req, &res)
+	if err := responseError(err, res.Code, res.Message, res.Error); err != nil {
+		return VehicleSocStatus{}, err
+	}
+
+	return res.Data, err
+}

vehicle/smart/hello/provider.go

@@ -10,7 +10,8 @@ import (
 // https://github.com/TA2k/ioBroker.smart-eq
 
 type Provider struct {
-	statusG func() (VehicleStatus, error)
+	statusG    func() (VehicleStatus, error)
+	socStatusG func() (VehicleSocStatus, error)
 }
 
 func NewProvider(log *util.Logger, api *API, vin string, cache time.Duration) *Provider {
@@ -18,6 +19,9 @@ func NewProvider(log *util.Logger, api *API, vin string, cache time.Duration) *P
 		statusG: util.Cached(func() (VehicleStatus, error) {
 			return api.Status(vin)
 		}, cache),
+		socStatusG: util.Cached(func() (VehicleSocStatus, error) {
+			return api.SocStatus(vin)
+		}, cache),
 	}
 
 	return v
@@ -76,3 +80,11 @@ func (v *Provider) Climater() (bool, error) {
 	res, err := v.statusG()
 	return bool(res.AdditionalVehicleStatus.ClimateStatus.PreClimateActive || res.AdditionalVehicleStatus.ClimateStatus.Defrost), err
 }
+
+var _ api.SocLimiter = (*Provider)(nil)
+
+// GetLimitSoc implements the api.SocLimiter interface
+func (v *Provider) GetLimitSoc() (int64, error) {
+	res, err := v.socStatusG()
+	return int64(res.Soc) / 10, err
+}

vehicle/smart/hello/types.go

@@ -56,6 +56,10 @@ type Vehicle struct {
 	ProprietaryPlatform Int    `json:"proprietaryPlatform"` // 0: legacy tsp backend (supported), 1: newer platform (status endpoint returns 8063)
 }
 
+type VehicleSocStatus struct {
+	Soc Int `json:"soc"` // charging target soc in tenths of a percent, e.g. 800 = 80%
+}
+
 type VehicleStatus struct {
 	BasicVehicleStatus struct {
 		UsageMode    Int    `json:"usageMode"`    // "0",