63 lines
1.2 KiB
Go
63 lines
1.2 KiB
Go
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package converter
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type Duration float64
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const (
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Nanosecond = Second * 1e-9
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Microsecond = Second * 1e-6
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Millisecond = Second * 1e-3
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Centisecond = Second * 1e-2
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Decisecond = Second * 1e-1
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Second Duration = 1e0
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Minute = Second * 60
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Hour = Minute * 60
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Day = Hour * 24
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Week = Day * 7
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)
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// durationConverter is an implementation of Converter for durations.
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type durationConverter struct {
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}
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func NewDurationConverter() Converter {
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return &durationConverter{}
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}
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func (*durationConverter) Name() string {
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return "duration"
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}
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func FromTimeUnit(u Unit) Duration {
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switch u {
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case "ns":
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return Nanosecond
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case "us", "µs":
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return Microsecond
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case "ms":
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return Millisecond
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case "cs":
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return Centisecond
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case "ds":
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return Decisecond
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case "s":
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return Second
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case "m":
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return Minute
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case "h":
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return Hour
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case "d":
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return Day
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case "w":
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return Week
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default:
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return Second
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}
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}
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func (c *durationConverter) Convert(v Value, to Unit) Value {
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return Value{
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F: v.F * float64(FromTimeUnit(v.U)) / float64(FromTimeUnit(to)),
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U: to,
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}
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}
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