50 lines
1 KiB
Go
50 lines
1 KiB
Go
package tools
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import (
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"time"
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dp "github.com/markusmobius/go-dateparser"
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"github.com/markusmobius/go-dateparser/date"
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)
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// These are somewhat arbitrary, but reasonably useful min and max times
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var (
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MinTime = time.Unix(-2208988800, 0) // Jan 1, 1900
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MaxTime = MinTime.Add(1<<63 - 1)
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)
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func ParseDate(in string) (t time.Time, err error) {
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if in == "min" {
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return MinTime, nil
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}
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if in == "max" {
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return MaxTime, nil
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}
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d, err := dp.Parse(&dp.Configuration{
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CurrentTime: time.Now().Local(),
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ReturnTimeAsPeriod: true,
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}, in)
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t = d.Time
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if err != nil {
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return
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}
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y, mon, day, h, loc := t.Year(), t.Month(), t.Day(), t.Hour(), t.Location()
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switch d.Period {
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case date.Second:
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t = t.Truncate(time.Second)
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case date.Minute:
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t = t.Truncate(time.Minute)
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case date.Hour:
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t = time.Date(y, mon, day, h, 0, 0, 0, loc)
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case date.Day:
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t = time.Date(y, mon, day, 0, 0, 0, 0, loc)
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case date.Month:
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t = time.Date(y, mon, 1, 0, 0, 0, 0, loc)
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case date.Year:
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t = time.Date(y, 1, 1, 0, 0, 0, 0, loc)
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}
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return
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}
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