Audi etron: get nickname from vehicle (#4756)

vehicle/audi-etron.go

@@ -65,17 +65,26 @@ func NewEtronFromConfig(other map[string]interface{}) (api.Vehicle, error) {
 	// use the etron API for list of vehicles
 	api := etron.NewAPI(log, ats)
 
-	cc.VIN, err = ensureVehicle(cc.VIN, func() ([]string, error) {
-		ctx, cancel := context.WithTimeout(context.Background(), cc.Timeout)
-		defer cancel()
-		return api.Vehicles(ctx)
-	})
+	vehicle, err := ensureVehicleEx(
+		cc.VIN, func() ([]etron.Vehicle, error) {
+			ctx, cancel := context.WithTimeout(context.Background(), cc.Timeout)
+			defer cancel()
+			return api.Vehicles(ctx)
+		},
+		func(v etron.Vehicle) string {
+			return v.VIN
+		},
+	)
 
 	if err == nil {
+		if v.Title_ == "" {
+			v.Title_ = vehicle.Nickname
+		}
+
 		api := id.NewAPI(log, its)
 		api.Client.Timeout = cc.Timeout
 
-		v.Provider = id.NewProvider(api, cc.VIN, cc.Cache)
+		v.Provider = id.NewProvider(api, vehicle.VIN, cc.Cache)
 	}
 
 	return v, err

vehicle/audi/etron/api.go

@@ -5,7 +5,6 @@ import (
 
 	"github.com/evcc-io/evcc/util"
 	"github.com/evcc-io/evcc/util/request"
-	"github.com/samber/lo"
 	"github.com/shurcooL/graphql"
 	"golang.org/x/oauth2"
 )
@@ -33,22 +32,12 @@ func NewAPI(log *util.Logger, ts oauth2.TokenSource) *API {
 }
 
 // Vehicles implements the /vehicles response
-func (v *API) Vehicles(ctx context.Context) ([]string, error) {
-	type vehicle struct {
-		VIN, Type, Nickname string
-	}
-
+func (v *API) Vehicles(ctx context.Context) ([]Vehicle, error) {
 	var res struct {
-		UserVehicles []vehicle `json:"userVehicles"`
+		UserVehicles []Vehicle
 	}
 
-	var vins []string
 	err := v.client.Query(ctx, &res, nil)
-	if err == nil {
-		vins = lo.Map(res.UserVehicles, func(v vehicle, _ int) string {
-			return v.VIN
-		})
-	}
 
-	return vins, err
+	return res.UserVehicles, err
 }

vehicle/audi/etron/types.go

@@ -0,0 +1,5 @@
+package etron
+
+type Vehicle struct {
+	VIN, Type, Nickname string
+}