mirror of
https://github.com/token2/snapd.git
synced 2026-03-13 11:15:47 -07:00
88 lines
2.5 KiB
Go
88 lines
2.5 KiB
Go
// -*- Mode: Go; indent-tabs-mode: t -*-
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/*
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* Copyright (C) 2018 Canonical Ltd
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 3 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package timeutil
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import (
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"fmt"
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"time"
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"github.com/snapcore/snapd/i18n"
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)
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// start-of-day
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func sod(t time.Time) time.Time {
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y, m, d := t.Date()
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return time.Date(y, m, d, 0, 0, 0, 0, t.Location())
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}
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// Human turns the time into a relative expression of time meant for human
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// consumption.
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// Human(t) --> "today at 07:47"
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func Human(then time.Time) string {
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return humanTimeSince(then.Local(), timeNow().Local(), 60)
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}
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func delta(then, now time.Time) int {
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if then.After(now) {
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return -delta(now, then)
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}
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then = sod(then)
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now = sod(now)
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n := int(then.Sub(now).Hours() / 24)
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now = now.AddDate(0, 0, n)
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for then.Before(now) {
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then = then.AddDate(0, 0, 1)
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n--
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}
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return n
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}
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func humanTimeSince(then, now time.Time, cutoffDays int) string {
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d := delta(then, now)
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switch {
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case d < -cutoffDays || d > cutoffDays:
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return then.Format("2006-01-02")
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case d < -1:
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// TRANSLATORS: %d will be at least 2; the singular is only included to help gettext
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return fmt.Sprintf(then.Format(i18n.NG("%d day ago, at 15:04 MST", "%d days ago, at 15:04 MST", -d)), -d)
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case d == -1:
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return then.Format(i18n.G("yesterday at 15:04 MST"))
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case d == 0:
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return then.Format(i18n.G("today at 15:04 MST"))
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case d == 1:
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return then.Format(i18n.G("tomorrow at 15:04 MST"))
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case d > 1:
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// TRANSLATORS: %d will be at least 2; the singular is only included to help gettext
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return fmt.Sprintf(then.Format(i18n.NG("in %d day, at 15:04 MST", "in %d days, at 15:04 MST", d)), d)
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default:
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// the following message is brought to you by Joel Armando, the self-described awesome and sexy mathematician.
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panic("you have broken the law of trichotomy! ℤ is no longer totally ordered! chaos ensues!")
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}
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}
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// MockTimeNow mocks the time.Now() calls used in the timeutil package.
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func MockTimeNow(f func() time.Time) (restorer func()) {
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origTimeNow := timeNow
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timeNow = f
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return func() { timeNow = origTimeNow }
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}
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