From 69c923a74978bf36498b3ec066025390affd10dc Mon Sep 17 00:00:00 2001
From: andig <cpuidle@gmx.de>
Date: Sun, 12 Dec 2021 18:16:46 +0100
Subject: [PATCH] Audi/Seat/Skoda/VW: add position api (#2032)

---
 vehicle/vw/api.go      | 22 ++++++++++++++++++++++
 vehicle/vw/provider.go | 27 ++++++++++++++++++++++-----
 vehicle/vw/types.go    | 19 +++++++++++++++++++
 3 files changed, 63 insertions(+), 5 deletions(-)

diff --git a/vehicle/vw/api.go b/vehicle/vw/api.go
index 2ff61c31d..93c33fad6 100644
--- a/vehicle/vw/api.go
+++ b/vehicle/vw/api.go
@@ -158,6 +158,28 @@ func (v *API) Climater(vin string) (ClimaterResponse, error) {
 	return res, err
 }
 
+// Position implements the /position response
+func (v *API) Position(vin string) (PositionResponse, error) {
+	var res PositionResponse
+	uri := fmt.Sprintf("%s/bs/cf/v1/%s/%s/vehicles/%s/position", v.baseURI, v.brand, v.country, vin)
+
+	req, err := request.New(http.MethodGet, uri, nil, map[string]string{
+		"Accept":        request.JSONContent,
+		"Content-type":  "application/vnd.vwg.mbb.carfinderservice_v1_0_0+json",
+		"X-App-Version": "TODO",
+		"X-App-Name":    "TODO",
+	})
+	if err == nil {
+		err = v.DoJSON(req, &res)
+	}
+
+	if err != nil && res.Error != nil {
+		err = res.Error.Error()
+	}
+
+	return res, err
+}
+
 const (
 	ActionCharge      = "batterycharge"
 	ActionChargeStart = "start"
diff --git a/vehicle/vw/provider.go b/vehicle/vw/provider.go
index 7029c468f..2ab998868 100644
--- a/vehicle/vw/provider.go
+++ b/vehicle/vw/provider.go
@@ -17,11 +17,12 @@ import (
 
 // Provider implements the evcc vehicle api
 type Provider struct {
-	chargerG func() (interface{}, error)
-	statusG  func() (interface{}, error)
-	climateG func() (interface{}, error)
-	action   func(action, value string) error
-	rr       func() (RolesRights, error)
+	chargerG  func() (interface{}, error)
+	statusG   func() (interface{}, error)
+	climateG  func() (interface{}, error)
+	positionG func() (interface{}, error)
+	action    func(action, value string) error
+	rr        func() (RolesRights, error)
 }
 
 // NewProvider provides the evcc vehicle api provider
@@ -36,6 +37,9 @@ func NewProvider(api *API, vin string, cache time.Duration) *Provider {
 		climateG: provider.NewCached(func() (interface{}, error) {
 			return api.Climater(vin)
 		}, cache).InterfaceGetter(),
+		positionG: provider.NewCached(func() (interface{}, error) {
+			return api.Position(vin)
+		}, cache).InterfaceGetter(),
 		action: func(action, value string) error {
 			return api.Action(vin, action, value)
 		},
@@ -154,6 +158,19 @@ func (v *Provider) Climater() (active bool, outsideTemp float64, targetTemp floa
 	return active, outsideTemp, targetTemp, err
 }
 
+var _ api.VehiclePosition = (*Provider)(nil)
+
+// Position implements the api.VehiclePosition interface
+func (v *Provider) Position() (float64, float64, error) {
+	res, err := v.positionG()
+	if res, ok := res.(PositionResponse); err == nil && ok {
+		coord := res.FindCarResponse.Position.CarCoordinate
+		return float64(coord.Latitude) / 1e6, float64(coord.Longitude) / 1e6, nil
+	}
+
+	return 0, 0, err
+}
+
 var _ api.VehicleStartCharge = (*Provider)(nil)
 
 // StartCharge implements the api.VehicleStartCharge interface
diff --git a/vehicle/vw/types.go b/vehicle/vw/types.go
index 9660881ed..a141cf94f 100644
--- a/vehicle/vw/types.go
+++ b/vehicle/vw/types.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"math"
 	"strconv"
+	"time"
 )
 
 type Error struct {
@@ -69,6 +70,24 @@ type ClimaterResponse struct {
 	Error *Error // optional error
 }
 
+// PositionResponse is the /bs/cf/v1/%s/%s/vehicles/%s/position api
+type PositionResponse struct {
+	FindCarResponse struct {
+		Position struct {
+			TimestampCarSent     string // "2021-12-12T16:42:44"
+			TimestampTssReceived time.Time
+			CarCoordinate        struct {
+				Latitude  int64
+				Longitude int64
+			}
+			TimestampCarSentUTC  time.Time
+			TimestampCarCaptured string // "2021-12-12T16:42:44"
+		}
+		ParkingTimeUTC time.Time
+	}
+	Error *Error // optional error
+}
+
 // VehiclesResponse is the /usermanagement/users/v1/%s/%s/vehicles api
 type VehiclesResponse struct {
 	UserVehicles struct {