65 lines
1.3 KiB
Go
65 lines
1.3 KiB
Go
package server
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import (
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"slices"
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"strconv"
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"time"
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"github.com/evcc-io/evcc/util"
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"github.com/spf13/cast"
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)
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type setter struct {
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topic string
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fun func(string) error
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}
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func isEmpty(payload string) bool {
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return slices.Contains([]string{"-", "nil", "null", "none"}, payload)
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}
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func setterFunc[T any](conv func(string) (T, error), set func(T) error) func(string) error {
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return func(payload string) error {
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val, err := conv(payload)
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if err == nil {
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err = set(val)
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}
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return err
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}
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}
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// ptrSetter updates pointer api
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func ptrSetter[T any](conv func(string) (T, error), set func(*T) error) func(string) error {
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return func(payload string) error {
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var val *T
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v, err := conv(payload)
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if err == nil {
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val = &v
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} else if !isEmpty(payload) {
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return err
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}
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return set(val)
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}
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}
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func floatSetter(set func(float64) error) func(string) error {
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return setterFunc(parseFloat, set)
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}
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func floatPtrSetter(set func(*float64) error) func(string) error {
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return ptrSetter(parseFloat, set)
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}
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func intSetter(set func(int) error) func(string) error {
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return setterFunc(strconv.Atoi, set)
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}
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func boolSetter(set func(bool) error) func(string) error {
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return setterFunc(func(v string) (bool, error) {
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return cast.ToBoolE(v)
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}, set)
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}
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func durationSetter(set func(time.Duration) error) func(string) error {
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return setterFunc(util.ParseDuration, set)
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}
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