46 lines
951 B
Go
46 lines
951 B
Go
package main
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import (
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"log"
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"math"
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"time"
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)
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func nextSunriseSunsetTime(t time.Time) (sunrise, sunset time.Time, err error) {
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var (
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nextSR time.Time
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nextSS time.Time
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)
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s := config.SunRiseSet
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s.Date = t
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currentSR, currentSS, err := s.GetSunriseSunset()
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if err != nil {
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return time.Time{}, time.Time{}, err
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}
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s.Date = t.Add(24 * time.Hour)
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nextSR, nextSS, err = s.GetSunriseSunset()
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if err != nil {
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return time.Time{}, time.Time{}, err
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}
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nSR := currentSR
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nSS := currentSS
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if t.After(currentSR) {
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nSR = nextSR
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}
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if t.After(currentSS) {
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nSS = nextSS
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}
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log.Printf("[TRACE] Calculated Time: %s\n", t.Format(config.TimeFormat))
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log.Printf("[TRACE] Next calculated sunrise: %s (%v)\n", nSR.Format(config.TimeFormat), math.Round(nSR.Sub(time.Now()).Seconds()))
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log.Printf("[TRACE] Next calculated sunset : %s (%v)\n", nSS.Format(config.TimeFormat), math.Round(nSS.Sub(time.Now()).Seconds()))
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return nSR, nSS, nil
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}
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