37 lines
622 B
Go
37 lines
622 B
Go
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package timeutil
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import (
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"encoding/json"
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"errors"
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"time"
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)
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type Duration struct {
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time.Duration
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}
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func (d Duration) MarshalJSON() ([]byte, error) {
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return json.Marshal(time.Duration(d.Duration).String())
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}
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func (d *Duration) UnmarshalJSON(b []byte) error {
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var v interface{}
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if err := json.Unmarshal(b, &v); err != nil {
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return err
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}
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switch value := v.(type) {
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case float64:
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*d = Duration{time.Duration(value)}
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return nil
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case string:
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tmp, err := time.ParseDuration(value)
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if err != nil {
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return err
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}
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*d = Duration{tmp}
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return nil
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default:
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return errors.New("invalid duration")
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}
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}
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