43 lines
1.3 KiB
C#
43 lines
1.3 KiB
C#
using Kurisu.AspNetCore.CustomClass;
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namespace Dlhis.Canteen.Order;
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/// <summary>
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/// 临时的扩展类 todo: 嵌入框架
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/// </summary>
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public static class TimePeriodExtensions
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{
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public static bool IsPresent1(this TimePeriod period, DateTime dateTime)
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{
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DateTime start;
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DateTime end;
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if (period.IsCrossDay())
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{
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//period = [22:00:00,03:00:00]
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var currentStart = dateTime.Date.Add(period.Start.Value.ToTimeSpan());
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var endOfDay = dateTime.Date.AddDays(1).AddSeconds(-1);
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//assume is left range . then currentStart is 2024-04-16 22:00:00 and endOfDay is 2024-04-16 23:59:59
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if (dateTime >= currentStart && dateTime <= endOfDay)
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{
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start = currentStart; //2024-04-16 22:00:00
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end = dateTime.Date.AddDays(1).Add(period.End.Value.ToTimeSpan());//2024-04-17 03:00:00
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}
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else
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{
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start = dateTime.Date.AddDays(-1).Add(period.Start.Value.ToTimeSpan());
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end = dateTime.Date.Add(period.End.Value.ToTimeSpan());
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}
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}
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else
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{
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start = dateTime.Date.Add(period.Start.Value.ToTimeSpan());
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end = dateTime.Date.Add(period.End.Value.ToTimeSpan());
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}
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return dateTime >= start && dateTime <= end;
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}
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}
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