80 lines
2 KiB
Go
80 lines
2 KiB
Go
// Copyright (c) 2017 Hervé Gouchet. All rights reserved.
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// Use of this source code is governed by the MIT License
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// that can be found in the LICENSE file.
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package duration
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import (
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"math"
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"time"
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"github.com/miniflux/miniflux/locale"
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)
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// Texts to be translated if necessary.
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var (
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NotYet = `not yet`
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JustNow = `just now`
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LastMinute = `1 minute ago`
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Minutes = `%d minutes ago`
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LastHour = `1 hour ago`
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Hours = `%d hours ago`
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Yesterday = `yesterday`
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Days = `%d days ago`
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Weeks = `%d weeks ago`
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Months = `%d months ago`
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Years = `%d years ago`
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)
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// ElapsedTime returns in a human readable format the elapsed time
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// since the given datetime.
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func ElapsedTime(translator *locale.Language, timezone string, t time.Time) string {
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if t.IsZero() {
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return translator.Get(NotYet)
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}
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var now time.Time
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loc, err := time.LoadLocation(timezone)
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if err != nil {
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now = time.Now()
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} else {
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now = time.Now().In(loc)
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// The provided date is already converted to the user timezone by Postgres,
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// but the timezone information is not set in the time struct.
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// We cannot use time.In() because the date will be converted a second time.
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t = time.Date(t.Year(), t.Month(), t.Day(), t.Hour(), t.Minute(), t.Second(), t.Nanosecond(), loc)
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}
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if now.Before(t) {
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return translator.Get(NotYet)
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}
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diff := now.Sub(t)
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// Duration in seconds
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s := diff.Seconds()
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// Duration in days
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d := int(s / 86400)
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switch {
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case s < 60:
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return translator.Get(JustNow)
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case s < 120:
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return translator.Get(LastMinute)
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case s < 3600:
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return translator.Get(Minutes, int(diff.Minutes()))
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case s < 7200:
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return translator.Get(LastHour)
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case s < 86400:
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return translator.Get(Hours, int(diff.Hours()))
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case d == 1:
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return translator.Get(Yesterday)
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case d < 7:
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return translator.Get(Days, d)
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case d < 31:
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return translator.Get(Weeks, int(math.Ceil(float64(d)/7)))
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case d < 365:
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return translator.Get(Months, int(math.Ceil(float64(d)/30)))
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default:
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return translator.Get(Years, int(math.Ceil(float64(d)/365)))
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}
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}
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