87 lines
1.9 KiB
Go
87 lines
1.9 KiB
Go
package tariff
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import (
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"fmt"
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"slices"
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"sync"
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"time"
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"github.com/cenkalti/backoff/v4"
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"github.com/evcc-io/evcc/api"
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"github.com/evcc-io/evcc/util"
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"github.com/evcc-io/evcc/util/request"
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)
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type GroupeE struct {
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*embed
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log *util.Logger
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data *util.Monitor[api.Rates]
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}
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var _ api.Tariff = (*GroupeE)(nil)
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func init() {
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registry.Add("groupe-e", NewGroupeEFromConfig)
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}
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func NewGroupeEFromConfig(other map[string]any) (api.Tariff, error) {
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t := &GroupeE{
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log: util.NewLogger("groupe-e"),
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data: util.NewMonitor[api.Rates](2 * time.Hour),
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}
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return runOrError(t)
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}
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func (t *GroupeE) run(done chan error) {
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var once sync.Once
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client := request.NewHelper(t.log)
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for tick := time.Tick(time.Hour); ; <-tick {
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var res []struct {
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StartTimestamp time.Time `json:"start_timestamp"`
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EndTimestamp time.Time `json:"end_timestamp"`
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VarioPlus float64 `json:"vario_plus"`
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}
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start := time.Now().Truncate(time.Hour)
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uri := fmt.Sprintf("https://api.tariffs.groupe-e.ch/v1/tariffs?start_timestamp=%s&end_timestamp=%s", start.Format(time.RFC3339), start.Add(48*time.Hour).Format(time.RFC3339))
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if err := backoff.Retry(func() error {
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return backoffPermanentError(client.GetJSON(uri, &res))
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}, bo()); err != nil {
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once.Do(func() { done <- err })
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t.log.ERROR.Println(err)
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continue
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}
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data := make(api.Rates, 0, len(res))
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for _, r := range res {
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ar := api.Rate{
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Start: r.StartTimestamp.Local(),
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End: r.EndTimestamp.Local(),
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Value: r.VarioPlus / 1e2, // Rp/kWh
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}
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data = append(data, ar)
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}
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mergeRates(t.data, data)
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once.Do(func() { close(done) })
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}
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}
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// Rates implements the api.Tariff interface
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func (t *GroupeE) Rates() (api.Rates, error) {
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var res api.Rates
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err := t.data.GetFunc(func(val api.Rates) {
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res = slices.Clone(val)
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})
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return res, err
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}
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// Type implements the api.Tariff interface
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func (t *GroupeE) Type() api.TariffType {
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return api.TariffTypePriceForecast
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}
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