/
api.go
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/
api.go
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package mercedes
import (
"fmt"
"github.com/evcc-io/evcc/util"
"github.com/evcc-io/evcc/util/request"
"github.com/evcc-io/evcc/util/transport"
protos "github.com/evcc-io/evcc/vehicle/mercedes/pb"
"golang.org/x/oauth2"
"google.golang.org/protobuf/proto"
)
// API is an api.Vehicle implementation for Mercedes-Benz cars
type API struct {
region string
log *util.Logger
*request.Helper
}
func NewAPI(log *util.Logger, identity *Identity) *API {
client := request.NewHelper(log)
client.Transport = &transport.Decorator{
Base: &oauth2.Transport{
Source: identity,
Base: client.Transport,
},
Decorator: transport.DecorateHeaders(mbheaders(false, identity.region)),
}
return &API{
Helper: client,
region: identity.region,
log: log,
}
}
func (v *API) Vehicles() ([]string, error) {
var res VehiclesResponse
url := fmt.Sprintf("%s/v2/vehicles", getBffUri(v.region))
err := v.GetJSON(url, &res)
if err != nil {
return nil, err
}
var vehicles []string
for _, v := range res.AssignedVehicles {
if len(v.Vin) > 0 {
vehicles = append(vehicles, v.Vin)
} else {
vehicles = append(vehicles, v.Fin)
}
}
return vehicles, err
}
func (v *API) Status(vin string) (StatusResponse, error) {
var res StatusResponse
uri := fmt.Sprintf("%s/v1/vehicle/%s/vehicleattributes", getWidgetUri(v.region), vin)
data, err := v.GetBody(uri)
if err != nil {
return res, err
}
var message protos.VEPUpdate
if err = proto.Unmarshal(data, &message); err != nil {
return res, err
}
if val, ok := message.Attributes["odo"]; ok {
res.VehicleInfo.Odometer.Value = int(val.GetIntValue())
res.VehicleInfo.Odometer.Unit = val.GetDistanceUnit().String()
}
if val, ok := message.Attributes["soc"]; ok {
res.EvInfo.Battery.StateOfCharge = float64(val.GetIntValue())
}
if val, ok := message.Attributes["rangeelectric"]; ok {
res.EvInfo.Battery.DistanceToEmpty.Value = int(val.GetIntValue())
res.EvInfo.Battery.DistanceToEmpty.Unit = val.GetDistanceUnit().String()
}
if val, ok := message.Attributes["endofchargetime"]; ok {
res.EvInfo.Battery.EndOfChargeTime = int(val.GetIntValue())
}
if val, ok := message.Attributes["chargingstatus"]; ok {
res.EvInfo.Battery.ChargingStatus = int(val.GetIntValue())
} else {
res.EvInfo.Battery.ChargingStatus = 3
}
return res, err
}