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package util
import (
"html/template"
"time"
)
func Date2HTML(t time.Time) template.HTML {
return template.HTML(t.Local().Format("<time datetime=\"2006-01-02 15:04:05\" title=\"2006-01-02 15:04:05\">2006-01-02 <span class=time>15:04:05</span></time>"))
}
func DateTime2HTML(t time.Time) template.HTML {
return template.HTML(t.Local().Format("<time datetime=\"2006-01-02 15:04:05\">2006-01-02 15:04:05</time>"))
}
func DateTime2ColorHTML(t time.Time) template.HTML {
return template.HTML(t.Local().Format("<time class=daily datetime=\"2006-01-02 15:04:05\">2006-01-02 15:04:05</time>"))
}
type TimeRange struct {
A, B time.Time
}
func (tr TimeRange) ToPct(point time.Time) float64 {
dur_ab := tr.B.Sub(tr.A)
dur_ap := point.Sub(tr.A)
return float64(dur_ap) / float64(dur_ab)
}
type ByteRange struct {
A, B byte
}
func (br ByteRange) FromPct(pct float64) byte {
ab := int16(br.B) - int16(br.A)
ap := int16(pct * float64(ab))
return byte(int16(br.A) + ap)
}
func PctCap(pct float64) float64 {
if pct < 0 {
pct = 0
} else if pct > 1 {
pct = 1
}
return pct
}
func MapRange(tr TimeRange, br ByteRange, t time.Time) byte {
return br.FromPct(PctCap(tr.ToPct(t)))
}
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