Volvo: improve error handling

vehicle/volvo.go

@@ -92,6 +92,8 @@ func (v *Volvo) vehicles() ([]string, error) {
 
 			vehicles = append(vehicles, vehicle.VehicleID)
 		}
+	} else if res.ErrorLabel != "" {
+		err = fmt.Errorf("%w: %s: %s", err, res.ErrorLabel, res.ErrorDescription)
 	}
 
 	return vehicles, err
@@ -102,6 +104,9 @@ func (v *Volvo) status() (volvo.Status, error) {
 
 	uri := fmt.Sprintf("%s/vehicles/%s/status", volvo.ApiURI, v.vin)
 	err := v.GetJSON(uri, &res)
+	if err != nil && res.ErrorLabel != "" {
+		err = fmt.Errorf("%w: %s: %s", err, res.ErrorLabel, res.ErrorDescription)
+	}
 
 	return res, err
 }

vehicle/volvo/types.go

@@ -8,6 +8,8 @@ import (
 const ApiURI = "https://vocapi.wirelesscar.net/customerapi/rest/v3.0"
 
 type AccountResponse struct {
+	ErrorLabel       string   `json:"errorLabel"`
+	ErrorDescription string   `json:"errorDescription"`
 	FirstName        string   `json:"firstName"`
 	LastName         string   `json:"lastName"`
 	VehicleRelations []string `json:"accountVehicleRelations"`
@@ -25,6 +27,8 @@ type VehicleRelation struct {
 }
 
 type Status struct {
+	ErrorLabel                      string    `json:"errorLabel"`
+	ErrorDescription                string    `json:"errorDescription"`
 	AverageFuelConsumption          float32   `json:"averageFuelConsumption"`
 	AverageFuelConsumptionTimestamp Timestamp `json:"averageFuelConsumptionTimestamp"`
 	AverageSpeed                    int       `json:"averageSpeed"`