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34 lines
557 B
Go
34 lines
557 B
Go
package duration
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import (
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"encoding/json"
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"fmt"
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"time"
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)
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type Duration int64
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func (d *Duration) MarshalJSON() ([]byte, error) {
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dr := time.Duration(*d)
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return json.Marshal(dr.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 string:
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var err error
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dr, 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(dr)
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return nil
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default:
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return fmt.Errorf("invalid duration: %v", v)
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}
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}
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