Plugins: add charger provider (#18037)

charger/config.go

@@ -2,14 +2,12 @@ package charger
 
 import (
 	"context"
-	"fmt"
-	"strings"
 
 	"github.com/evcc-io/evcc/api"
-	reg "github.com/evcc-io/evcc/util/registry"
+	"github.com/evcc-io/evcc/charger/config"
 )
 
-var registry = reg.New[api.Charger]("charger")
+var registry = config.Registry
 
 // Types returns the list of types
 func Types() []string {
@@ -18,15 +16,5 @@ func Types() []string {
 
 // NewFromConfig creates charger from configuration
 func NewFromConfig(ctx context.Context, typ string, other map[string]interface{}) (api.Charger, error) {
-	factory, err := registry.Get(strings.ToLower(typ))
-	if err != nil {
-		return nil, err
-	}
-
-	v, err := factory(ctx, other)
-	if err != nil {
-		err = fmt.Errorf("cannot create charger type '%s': %w", typ, err)
-	}
-
-	return v, err
+	return config.NewFromConfig(ctx, typ, other)
 }

charger/config/config.go

@@ -0,0 +1,27 @@
+package config
+
+import (
+	"context"
+	"fmt"
+	"strings"
+
+	"github.com/evcc-io/evcc/api"
+	reg "github.com/evcc-io/evcc/util/registry"
+)
+
+var Registry = reg.New[api.Charger]("charger")
+
+// NewFromConfig creates charger from configuration
+func NewFromConfig(ctx context.Context, typ string, other map[string]interface{}) (api.Charger, error) {
+	factory, err := Registry.Get(strings.ToLower(typ))
+	if err != nil {
+		return nil, err
+	}
+
+	v, err := factory(ctx, other)
+	if err != nil {
+		err = fmt.Errorf("cannot create charger type '%s': %w", typ, err)
+	}
+
+	return v, err
+}

provider/charger.go

@@ -0,0 +1,87 @@
+package provider
+
+import (
+	"context"
+
+	"github.com/evcc-io/evcc/api"
+	charger "github.com/evcc-io/evcc/charger/config"
+	"github.com/evcc-io/evcc/util"
+	"github.com/evcc-io/evcc/util/config"
+	"github.com/spf13/cast"
+)
+
+type switchChargerProvider struct {
+	charger api.Charger
+}
+
+func init() {
+	registry.AddCtx("charger", NewChargerEnableFromConfig)
+}
+
+// NewChargerEnableFromConfig creates type conversion provider
+func NewChargerEnableFromConfig(ctx context.Context, other map[string]interface{}) (Provider, error) {
+	var cc struct {
+		Config config.Typed
+	}
+
+	if err := util.DecodeOther(other, &cc); err != nil {
+		return nil, err
+	}
+
+	charger, err := charger.NewFromConfig(ctx, cc.Config.Type, cc.Config.Other)
+	if err != nil {
+		return nil, err
+	}
+
+	o := &switchChargerProvider{
+		charger: charger,
+	}
+
+	return o, nil
+}
+
+var _ FloatProvider = (*switchChargerProvider)(nil)
+
+func (o *switchChargerProvider) FloatGetter() (func() (float64, error), error) {
+	return func() (float64, error) {
+		v, err := o.charger.Enabled()
+		return cast.ToFloat64(v), err
+	}, nil
+}
+
+var _ IntProvider = (*switchChargerProvider)(nil)
+
+func (o *switchChargerProvider) IntGetter() (func() (int64, error), error) {
+	return func() (int64, error) {
+		v, err := o.charger.Enabled()
+		return cast.ToInt64(v), err
+	}, nil
+}
+
+var _ SetIntProvider = (*switchChargerProvider)(nil)
+
+func (o *switchChargerProvider) IntSetter(param string) (func(int64) error, error) {
+	return func(val int64) error {
+		b, err := cast.ToBoolE(val)
+		if err != nil {
+			return err
+		}
+		return o.charger.Enable(b)
+	}, nil
+}
+
+var _ BoolProvider = (*switchChargerProvider)(nil)
+
+func (o *switchChargerProvider) BoolGetter() (func() (bool, error), error) {
+	return func() (bool, error) {
+		return o.charger.Enabled()
+	}, nil
+}
+
+var _ SetBoolProvider = (*switchChargerProvider)(nil)
+
+func (o *switchChargerProvider) BoolSetter(param string) (func(bool) error, error) {
+	return func(val bool) error {
+		return o.charger.Enable(val)
+	}, nil
+}

provider/const.go

@@ -33,19 +33,9 @@ func NewConstFromConfig(ctx context.Context, other map[string]interface{}) (Prov
 		return nil, err
 	}
 
-	pipe, err := pipeline.New(nil, cc.Settings)
-	if err != nil {
-		return nil, err
-	}
-
-	b, err := pipe.Process([]byte(cc.Value))
-	if err != nil {
-		return nil, err
-	}
-
 	p := &constProvider{
 		ctx: ctx,
-		str: string(b),
+		str: cc.Value,
 		set: cc.Set,
 	}