70 lines
1.9 KiB
Go
70 lines
1.9 KiB
Go
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package types
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import (
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"encoding/json"
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"strconv"
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"time"
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)
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// Duration is a custom type suitable for parsing duration values.
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// It supports `time.ParseDuration`-compatible values and suffix-less digits; in
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// the latter case, seconds are assumed.
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type Duration time.Duration
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// Set sets the duration from the given string value.
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func (d *Duration) Set(s string) error {
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if v, err := strconv.ParseInt(s, 10, 64); err == nil {
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*d = Duration(time.Duration(v) * time.Second)
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return nil
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}
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v, err := time.ParseDuration(s)
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*d = Duration(v)
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return err
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}
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// Get returns the duration value.
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func (d *Duration) Get() interface{} { return time.Duration(*d) }
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// String returns a string representation of the duration value.
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func (d *Duration) String() string { return (*time.Duration)(d).String() }
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// SetValue sets the duration from the given Duration-asserted value.
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func (d *Duration) SetValue(val interface{}) {
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*d = val.(Duration)
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}
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// MarshalText serialize the given duration value into a text.
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func (d *Duration) MarshalText() ([]byte, error) {
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return []byte(d.String()), nil
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}
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// UnmarshalText deserializes the given text into a duration value.
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// It is meant to support TOML decoding of durations.
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func (d *Duration) UnmarshalText(text []byte) error {
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return d.Set(string(text))
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}
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// MarshalJSON serializes the given duration value.
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func (d *Duration) MarshalJSON() ([]byte, error) {
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return json.Marshal(time.Duration(*d))
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}
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// UnmarshalJSON deserializes the given text into a duration value.
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func (d *Duration) UnmarshalJSON(text []byte) error {
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if v, err := strconv.ParseInt(string(text), 10, 64); err == nil {
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*d = Duration(time.Duration(v))
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return nil
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}
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// We use json unmarshal on value because we have the quoted version
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var value string
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err := json.Unmarshal(text, &value)
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if err != nil {
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return err
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}
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v, err := time.ParseDuration(value)
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*d = Duration(v)
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return err
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}
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