mirror of
https://github.com/dnote/dnote
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121 lines
2.3 KiB
Go
121 lines
2.3 KiB
Go
/* Copyright (C) 2019, 2020, 2021, 2022, 2023, 2024, 2025 Dnote contributors
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*
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* This file is part of Dnote.
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*
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* Dnote is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Dnote 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with Dnote. If not, see <https://www.gnu.org/licenses/>.
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*/
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package views
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import (
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"fmt"
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"time"
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)
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type timeDiff struct {
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text string
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tense string
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}
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func pluralize(singular string, count int) string {
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var noun string
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if count == 1 {
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noun = singular
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} else {
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noun = singular + "s"
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}
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return noun
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}
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func abs(num int64) int64 {
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if num < 0 {
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return -num
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}
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return num
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}
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var (
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DAY = 24 * time.Hour.Milliseconds()
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WEEK = 7 * DAY
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)
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func getTimeDiffText(interval int64, noun string) string {
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return fmt.Sprintf("%d %s", interval, pluralize(noun, int(interval)))
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}
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func relativeTimeDiff(t1, t2 time.Time) timeDiff {
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diff := t1.Sub(t2)
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ts := abs(diff.Milliseconds())
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var tense string
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if diff > 0 {
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tense = "past"
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} else {
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tense = "future"
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}
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interval := ts / (52 * WEEK)
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if interval >= 1 {
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return timeDiff{
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text: getTimeDiffText(interval, "year"),
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tense: tense,
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}
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}
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interval = ts / (4 * WEEK)
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if interval >= 1 {
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return timeDiff{
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text: getTimeDiffText(interval, "month"),
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tense: tense,
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}
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}
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interval = ts / WEEK
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if interval >= 1 {
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return timeDiff{
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text: getTimeDiffText(interval, "week"),
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tense: tense,
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}
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}
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interval = ts / DAY
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if interval >= 1 {
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return timeDiff{
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text: getTimeDiffText(interval, "day"),
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tense: tense,
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}
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}
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interval = ts / time.Hour.Milliseconds()
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if interval >= 1 {
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return timeDiff{
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text: getTimeDiffText(interval, "hour"),
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tense: tense,
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}
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}
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interval = ts / time.Minute.Milliseconds()
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if interval >= 1 {
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return timeDiff{
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text: getTimeDiffText(interval, "minute"),
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tense: tense,
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}
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}
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return timeDiff{
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text: "Just now",
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}
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}
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