59 lines
2.2 KiB
C#
59 lines
2.2 KiB
C#
using System;
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using System.Text.RegularExpressions;
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namespace LeafWeb.Core.Utility
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{
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public static class TimeSpanExtensions
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{
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private const string Month = "month";
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private const string MonthAbr = "mo.";
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private const string Day = "day";
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private const string DayAbr = "day";
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private const string Hour = "hour";
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private const string HourAbr = "hr.";
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private const string Minute = "minute";
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private const string MinuteAbr = "min.";
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private const string Second = "second";
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private const string SecondAbr = "sec.";
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private static Regex PluralizeRegex = new Regex(@"^([^\.]*)(\.?)$", RegexOptions.Compiled);
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public static string ToReadableString(this TimeSpan span)
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{
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Func<int, string> pluralize = i => i > 1 ? "s" : string.Empty;
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// ReSharper disable once UseStringInterpolation
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var formatted = string.Format("{0}{1}{2}{3}",
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span.Duration().Days > 0 ? $"{span.Days:0} day{pluralize(span.Days)}, " : string.Empty,
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span.Duration().Hours > 0 ? $"{span.Hours:0} hour{pluralize(span.Hours)}, " : string.Empty,
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span.Duration().Minutes > 0 ? $"{span.Minutes:0} minute{pluralize(span.Minutes)}, " : string.Empty,
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span.Duration().Seconds > 0 ? $"{span.Seconds:0} second{pluralize(span.Seconds)}" : string.Empty);
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if (formatted.EndsWith(", ")) formatted = formatted.Substring(0, formatted.Length - 2);
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if (string.IsNullOrEmpty(formatted)) formatted = "0 seconds";
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return formatted;
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}
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public static string ToRoundedReadableString(this TimeSpan span, bool abbreviation = true)
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{
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Func<int, string, string> pluralize =
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(i, s) => i > 1 ? PluralizeRegex.Replace(s, "$1s$2") : s;
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Func<int, string, string> formatTime = (i, s) => $"{i:0} {pluralize(i, s)}";
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if (span.Duration().Days > 90)
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return formatTime(span.Days/30, abbreviation ? MonthAbr : Month);
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if (span.Duration().Days > 0)
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return formatTime(span.Days, abbreviation ? DayAbr : Day);
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if (span.Duration().Hours > 0)
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return formatTime(span.Hours, abbreviation ? HourAbr : Hour);
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if (span.Duration().Minutes > 0)
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return formatTime(span.Minutes, abbreviation ? MinuteAbr : Minute);
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if (span.Duration().Seconds > 0)
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return formatTime(span.Seconds, abbreviation ? SecondAbr : Second);
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return "0 seconds";
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}
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}
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}
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