89 lines
1.8 KiB
Go
89 lines
1.8 KiB
Go
package measurement
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import (
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"context"
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"errors"
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"fmt"
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"github.com/evcc-io/evcc/api/implement"
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"github.com/evcc-io/evcc/plugin"
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)
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type Dimmer struct {
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Dim *plugin.Config // optional
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Dimmed *plugin.Config // optional
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}
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func (cc *Dimmer) Configure(ctx context.Context) (
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func(bool) error,
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func() (bool, error),
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error,
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) {
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dimS, err := cc.Dim.BoolSetter(ctx, "dim")
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if err != nil {
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return nil, nil, fmt.Errorf("dim: %w", err)
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}
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dimmedG, err := cc.Dimmed.BoolGetter(ctx)
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if err != nil {
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return nil, nil, fmt.Errorf("dimmed: %w", err)
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}
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if (dimS == nil) != (dimmedG == nil) {
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return nil, nil, errors.New("must have dim and dimmed or none of both")
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}
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return dimS, dimmedG, nil
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}
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func (cc *Dimmer) Implement(ctx context.Context, i implement.Caps) error {
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dimS, dimmedG, err := cc.Configure(ctx)
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if err != nil {
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return err
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}
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implement.May(i, implement.Dimmer(dimS, dimmedG))
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return nil
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}
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type Curtailer struct {
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Curtail *plugin.Config // optional
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Curtailed *plugin.Config // optional
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}
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func (cc *Curtailer) Configure(ctx context.Context) (
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func(int64) error,
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func() (bool, error),
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error,
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) {
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curtailS, err := cc.Curtail.IntSetter(ctx, "curtail")
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if err != nil {
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return nil, nil, fmt.Errorf("curtail: %w", err)
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}
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curtailedG, err := cc.Curtailed.BoolGetter(ctx)
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if err != nil {
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return nil, nil, fmt.Errorf("curtailed: %w", err)
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}
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if (curtailS == nil) != (curtailedG == nil) {
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return nil, nil, errors.New("must have curtail and curtailed or none of both")
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}
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return curtailS, curtailedG, nil
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}
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func (cc *Curtailer) Implement(ctx context.Context, i implement.Caps) error {
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curtailS, curtailedG, err := cc.Configure(ctx)
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if err != nil {
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return err
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}
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if curtailS != nil {
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setPercent := func(percent int) error { return curtailS(int64(percent)) }
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implement.May(i, implement.Curtailer(curtailedG, setPercent))
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}
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return nil
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}
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