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wakapi/utils/date.go

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package utils
import (
"github.com/duke-git/lancet/v2/datetime"
"strings"
"time"
)
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func BeginOfToday(tz *time.Location) time.Time {
return datetime.BeginOfDay(time.Now().In(tz))
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}
func BeginOfThisWeek(tz *time.Location) time.Time {
return datetime.BeginOfWeek(time.Now().In(tz))
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}
func BeginOfThisMonth(tz *time.Location) time.Time {
return datetime.BeginOfMonth(time.Now().In(tz))
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}
func BeginOfThisYear(tz *time.Location) time.Time {
return datetime.BeginOfYear(time.Now().In(tz))
}
// CeilDate rounds date up to the start of next day if date is not already a start (00:00:00)
func CeilDate(date time.Time) time.Time {
floored := datetime.BeginOfDay(date)
if floored == date {
return floored
}
return floored.AddDate(0, 0, 1)
}
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// SplitRangeByDays creates a slice of intervals between from and to, each of which is at max of 24 hours length and has its split at midnight
func SplitRangeByDays(from time.Time, to time.Time) [][]time.Time {
intervals := make([][]time.Time, 0)
for t1 := from; t1.Before(to); {
t2 := datetime.BeginOfDay(t1).AddDate(0, 0, 1)
if t2.After(to) {
t2 = to
}
intervals = append(intervals, []time.Time{t1, t2})
t1 = t2
}
return intervals
}
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// LocalTZOffset returns the time difference between server local time and UTC
func LocalTZOffset() time.Duration {
_, offset := time.Now().Zone()
return time.Duration(offset * int(time.Second))
}
func ParseWeekday(s string) time.Weekday {
switch strings.ToLower(s) {
case "mon", strings.ToLower(time.Monday.String()):
return time.Monday
case "tue", strings.ToLower(time.Tuesday.String()):
return time.Tuesday
case "wed", strings.ToLower(time.Wednesday.String()):
return time.Wednesday
case "thu", strings.ToLower(time.Thursday.String()):
return time.Thursday
case "fri", strings.ToLower(time.Friday.String()):
return time.Friday
case "sat", strings.ToLower(time.Saturday.String()):
return time.Saturday
case "sun", strings.ToLower(time.Sunday.String()):
return time.Sunday
}
return time.Monday
}