42 lines
905 B
Go
42 lines
905 B
Go
package tariff
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import (
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"time"
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"github.com/evcc-io/evcc/api"
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"golang.org/x/text/currency"
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)
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type Tariffs struct {
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Currency currency.Unit
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Grid, FeedIn, Co2, Planner api.Tariff
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}
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func currentPrice(t api.Tariff) (float64, error) {
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if t != nil {
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if rr, err := t.Rates(); err == nil {
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if r, err := rr.Current(time.Now()); err == nil {
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return r.Price, nil
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}
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}
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}
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return 0, api.ErrNotAvailable
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}
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// CurrentGridPrice returns the current grid price.
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func (t *Tariffs) CurrentGridPrice() (float64, error) {
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return currentPrice(t.Grid)
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}
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// CurrentFeedInPrice returns the current feed-in price.
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func (t *Tariffs) CurrentFeedInPrice() (float64, error) {
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return currentPrice(t.FeedIn)
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}
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// CurrentCo2 determines the grids co2 emission.
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func (t *Tariffs) CurrentCo2() (float64, error) {
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if t.Co2 != nil {
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return currentPrice(t.Co2)
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}
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return 0, api.ErrNotAvailable
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}
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