25 lines
751 B
C#
25 lines
751 B
C#
namespace trakker.Utilities
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{
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internal class DateTimeExtensions
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{
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public static DateTime EndOfWeek(DateTime dt, DayOfWeek startOfWeek = DayOfWeek.Monday)
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{
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// Normalize to date (ignore time for week math)
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var date = dt.Date;
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// Compute offset from the configured startOfWeek
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int diff = (7 + (date.DayOfWeek - startOfWeek)) % 7;
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// Start of this week
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var start = date.AddDays(-diff);
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// End of this week: start + 6 days, then set to end-of-day
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var endDate = start.AddDays(4);
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// End-of-day with max precision (DateTime has 100-ns ticks)
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return endDate.Date.AddDays(1).AddTicks(-1);
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}
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}
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}
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