Rename charge plugin to soc and remove caching (#2242)

vehicle/vehicle.go

@@ -2,7 +2,6 @@ package vehicle
 
 import (
 	"fmt"
-	"time"
 
 	"github.com/evcc-io/evcc/api"
 	"github.com/evcc-io/evcc/provider"
@@ -14,7 +13,7 @@ import (
 // Vehicle is an api.Vehicle implementation with configurable getters and setters.
 type Vehicle struct {
 	*embed
-	chargeG func() (float64, error)
+	socG    func() (float64, error)
 	statusG func() (string, error)
 }
 
@@ -26,31 +25,29 @@ func init() {
 func NewConfigurableFromConfig(other map[string]interface{}) (api.Vehicle, error) {
 	cc := struct {
 		embed    `mapstructure:",squash"`
-		Charge   provider.Config
+		Soc      provider.Config
 		Status   *provider.Config
 		Range    *provider.Config
 		Odometer *provider.Config
-		Cache    time.Duration
-	}{
-		Cache: interval,
-	}
+		Cache    interface{}
+	}{}
 
 	if err := util.DecodeOther(other, &cc); err != nil {
 		return nil, err
 	}
 
-	getter, err := provider.NewFloatGetterFromConfig(cc.Charge)
-	if err != nil {
-		return nil, fmt.Errorf("charge: %w", err)
+	if cc.Cache != nil {
+		util.NewLogger("vehicle").WARN.Println("cache is deprecated and will be removed in a future release")
 	}
 
-	if cc.Cache > 0 {
-		getter = provider.NewCached(getter, cc.Cache).FloatGetter()
+	socG, err := provider.NewFloatGetterFromConfig(cc.Soc)
+	if err != nil {
+		return nil, fmt.Errorf("soc: %w", err)
 	}
 
 	v := &Vehicle{
-		embed:   &cc.embed,
-		chargeG: getter,
+		embed: &cc.embed,
+		socG:  socG,
 	}
 
 	// decorate vehicle with Status
@@ -90,10 +87,10 @@ func NewConfigurableFromConfig(other map[string]interface{}) (api.Vehicle, error
 
 // SoC implements the api.Vehicle interface
 func (v *Vehicle) SoC() (float64, error) {
-	return v.chargeG()
+	return v.socG()
 }
 
-// SoC implements the api.ChargeState interface
+// status implements the api.ChargeState interface
 func (v *Vehicle) status() (api.ChargeStatus, error) {
 	status := api.StatusF