70 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			70 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| package tools
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| 
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| import (
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| 	"strconv"
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| 	"time"
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| 
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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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| 
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| const DateFormat = "January 02, 2006 at 03:04:05PM -0700"
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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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| 
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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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| 
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| 	var er error
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| 	for _, format := range []string{time.RFC3339, DateFormat} {
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| 		if t, er = time.ParseInLocation(format, in, nil); er == nil {
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| 			return
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| 		}
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| 	}
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| 
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| 	var ts int64
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| 	if ts, er = strconv.ParseInt(in, 10, 0); er == nil {
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| 		t = time.Unix(ts, 0)
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| 		return
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| 	}
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| 
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| 	conf := dp.Configuration{
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| 		CurrentTime:        time.Now().Local(),
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| 		ReturnTimeAsPeriod: true,
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| 		Languages:          []string{"en"},
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| 	}
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| 
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| 	d, err := dp.Parse(&conf, 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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| 
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| 	y, mon, day, h, loc := t.Year(), t.Month(), t.Day(), t.Hour(), t.Location()
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| 
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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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| 
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| 	return
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| }
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