36 lines
1.3 KiB
C#
36 lines
1.3 KiB
C#
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using System;
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namespace Utility
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{
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public static class DayOfWeekExtension
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{
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/// <summary>
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/// Gibt den Wochentag zurück, der auf den gegebenen Wochentag folgt.
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/// </summary>
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public static DayOfWeek GetNext(this DayOfWeek current) => GetFutureDay(current, 1);
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/// <summary>
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/// Gibt den Wochentag zurück, der in der gegebenen Anzahl an Tagen auf den gegebenen Wochentag folgt.
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/// </summary>
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/// <param name="current">Der aktuelle Wochentag.</param>
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/// <param name="days">Die Anzahl an Tagen, die vergehen sollen.</param>
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public static DayOfWeek GetFutureDay(this DayOfWeek current, int days) =>
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(DayOfWeek)(((int)current + days) % 7);
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/// <summary>
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/// Gibt den deutschen Namen des Wochentags zurück.
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/// </summary>
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public static string GetName(this DayOfWeek weekday) => weekday switch
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{
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DayOfWeek.Monday => "Montag",
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DayOfWeek.Tuesday => "Dienstag",
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DayOfWeek.Wednesday => "Mittwoch",
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DayOfWeek.Thursday => "Donnerstag",
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DayOfWeek.Friday => "Freitag",
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DayOfWeek.Saturday => "Samstag",
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DayOfWeek.Sunday => "Sonntag",
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_ => "Unbekannt"
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};
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}
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}
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