102 lines
2.5 KiB
Go
102 lines
2.5 KiB
Go
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package datetime
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import (
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"fmt"
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"time"
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. "gitea.zaclys.com/bvaudour/gob/option"
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)
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// Zero retourne la date correspondant au 01/01/0001 00:00:00 UTC.
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// Si tz est fourni, la date est dans le fuseau horaire demandé,
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// sinon, dans le fuseau horaire par défaut.
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func Zero(tz ...string) Result[time.Time] {
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var t time.Time
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return toTZ(t, tz...)
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}
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// Now retourne la date actuelle.
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func Now(tz ...string) Result[time.Time] {
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t := time.Now()
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return toTZ(t, tz...)
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}
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// Tomorrow retourne la date dans 24h.
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func Tomorrow(tz ...string) Result[time.Time] {
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now := Now(tz...)
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if t, ok := now.Ok(); ok {
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return Ok(AddDays(t, 1))
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}
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return now
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}
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// Yesterday retourne la date il y a 24h.
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func Yesterday(tz ...string) Result[time.Time] {
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now := Now(tz...)
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if t, ok := now.Ok(); ok {
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return Ok(AddDays(t, -1))
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}
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return now
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}
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// FromTimestamp convertit un timestamp (exprimé en secondes) en date.
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func FromTimestamp(timestamp int64, tz ...string) Result[time.Time] {
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t := time.Unix(timestamp, 0)
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return toTZ(t, tz...)
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}
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// FromTimestampMilli convertit un timestamp (exprimé en ms) en date.
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func FromTimestampMilli(timestamp int64, tz ...string) Result[time.Time] {
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t := time.Unix(timestamp/1e3, (timestamp%1e3)*1e6)
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return toTZ(t, tz...)
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}
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// FromTimestampMicro convertit un timestamp (exprimé en μs) en date.
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func FromTimestampMicro(timestamp int64, tz ...string) Result[time.Time] {
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t := time.Unix(timestamp/1e6, (timestamp%1e6)*1e3)
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return toTZ(t, tz...)
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}
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// FromTimestampNano convertit un timestamp (exprimé en ns) en date.
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func FromTimestampNano(timestamp int64, tz ...string) Result[time.Time] {
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t := time.Unix(timestamp/1e9, timestamp%1e9)
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return toTZ(t, tz...)
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}
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// FromDateTime retourne la date à partir des données numériques complètes.
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func FromDateTime(year, month, day, hour, minute, second int, tz ...string) Result[time.Time] {
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location, ok := getTZ(tz...).Get()
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if !ok {
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return Err[time.Time](fmt.Errorf(errInvalidTZ, tz))
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}
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t := time.Date(year, time.Month(month-1), day, hour, minute, second, 0, location)
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return Ok(t)
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}
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// FromDate retourne le début du jour à partir des données de dates.
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func FromDate(year, month, day int, tz ...string) Result[time.Time] {
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return FromDateTime(year, month, day, 0, 0, 0)
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}
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// FromTime retourne la date d’aujourd’hui à l’heure indiquée.
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func FromTime(hour, minute, second int, tz ...string) Result[time.Time] {
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now := Now(tz...)
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if !now.IsOk() {
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return now
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}
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n, _ := now.Ok()
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year, month, day := n.Date()
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return FromDateTime(year, int(month+1), day, hour, minute, second, tz...)
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}
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