osu/osu.Game/Extensions/TimeDisplayExtensions.cs
2022-06-30 23:20:40 +08:00

107 lines
4.7 KiB
C#

// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using Humanizer;
using osu.Framework.Extensions.LocalisationExtensions;
using osu.Framework.Localisation;
using osu.Game.Resources.Localisation.Web;
namespace osu.Game.Extensions
{
public static class TimeDisplayExtensions
{
/// <summary>
/// Get an editor formatted string (mm:ss:mss)
/// </summary>
/// <param name="milliseconds">A time value in milliseconds.</param>
/// <returns>An editor formatted display string.</returns>
public static string ToEditorFormattedString(this double milliseconds) =>
ToEditorFormattedString(TimeSpan.FromMilliseconds(milliseconds));
/// <summary>
/// Get an editor formatted string (mm:ss:mss)
/// </summary>
/// <param name="timeSpan">A time value.</param>
/// <returns>An editor formatted display string.</returns>
public static string ToEditorFormattedString(this TimeSpan timeSpan) =>
$"{(timeSpan < TimeSpan.Zero ? "-" : string.Empty)}{(int)timeSpan.TotalMinutes:00}:{timeSpan:ss\\:fff}";
/// <summary>
/// Get a formatted duration (dd:hh:mm:ss with days/hours omitted if zero).
/// </summary>
/// <param name="milliseconds">A duration in milliseconds.</param>
/// <returns>A formatted duration string.</returns>
public static LocalisableString ToFormattedDuration(this double milliseconds) =>
ToFormattedDuration(TimeSpan.FromMilliseconds(milliseconds));
/// <summary>
/// Get a formatted duration (dd:hh:mm:ss with days/hours omitted if zero).
/// </summary>
/// <param name="timeSpan">A duration value.</param>
/// <returns>A formatted duration string.</returns>
public static LocalisableString ToFormattedDuration(this TimeSpan timeSpan)
{
if (timeSpan.TotalDays >= 1)
return timeSpan.ToLocalisableString(@"dd\:hh\:mm\:ss");
if (timeSpan.TotalHours >= 1)
return timeSpan.ToLocalisableString(@"hh\:mm\:ss");
return timeSpan.ToLocalisableString(@"mm\:ss");
}
/// <summary>
/// Formats a provided date to a short relative string version for compact display.
/// </summary>
/// <param name="time">The time to be displayed.</param>
/// <param name="lowerCutoff">A timespan denoting the time length beneath which "now" should be displayed.</param>
/// <returns>A short relative string representing the input time.</returns>
public static string ToShortRelativeTime(this DateTimeOffset time, TimeSpan lowerCutoff)
{
if (time == default)
return "-";
var now = DateTime.Now;
var difference = now - time;
// web uses momentjs's custom locales to format the date for the purposes of the scoreboard.
// this is intended to be a best-effort, more legible approximation of that.
// compare:
// * https://github.com/ppy/osu-web/blob/a8f5a68fb435cb19a4faa4c7c4bce08c4f096933/resources/assets/lib/scoreboard-time.tsx
// * https://momentjs.com/docs/#/customization/ (reference for the customisation format)
// TODO: support localisation (probably via `CommonStrings.CountHours()` etc.)
// requires pluralisable string support framework-side
if (difference < lowerCutoff)
return CommonStrings.TimeNow.ToString();
if (difference.TotalMinutes < 1)
return "sec".ToQuantity((int)difference.TotalSeconds);
if (difference.TotalHours < 1)
return "min".ToQuantity((int)difference.TotalMinutes);
if (difference.TotalDays < 1)
return "hr".ToQuantity((int)difference.TotalHours);
// this is where this gets more complicated because of how the calendar works.
// since there's no `TotalMonths` / `TotalYears`, we have to iteratively add months/years
// and test against cutoff dates to determine how many months/years to show.
if (time > now.AddMonths(-1))
return difference.TotalDays < 2 ? "1dy" : $"{(int)difference.TotalDays}dys";
for (int months = 1; months <= 11; ++months)
{
if (time > now.AddMonths(-(months + 1)))
return months == 1 ? "1mo" : $"{months}mos";
}
int years = 1;
while (time <= now.AddYears(-(years + 1)))
years += 1;
return years == 1 ? "1yr" : $"{years}yrs";
}
}
}