ana-ledger/ana/window.go

37 lines
727 B
Go

package ana
import (
"fmt"
"time"
)
func predictionTimes(window time.Duration) []time.Time {
result := []time.Time{}
last := time.Now()
for last.Before(time.Now().Add(window)) {
last = last.Add(-1 * time.Hour * 24 * time.Duration(last.Day())).Add(time.Hour * 24 * 33)
result = append(result, last)
}
return result
}
func mustDateToTime(s string) time.Time {
result, err := dateToTime(s)
if err != nil {
panic(err)
}
return result
}
func dateToTime(s string) (time.Time, error) {
for _, layout := range []string{
"2006-01-02",
"2006-01",
} {
if t, err := time.ParseInLocation(layout, s, time.Local); err == nil {
return t, err
}
}
return time.Time{}, fmt.Errorf("no layout matching %q", s)
}